LF (ladle furnace) buggy ladle device with pick-up electrode

By designing the ladle body fastening structure and electrode lifting hydraulic cylinder in the LF refining furnace ladle car device, the shaking and detection problems of the device during movement were solved, and the safety and detection functions were improved.

CN223394312UActive Publication Date: 2025-09-30QINGDAO SPECIAL STEEL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422477597.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-09-30
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

The existing LF refining furnace ladle car device lacks a fastening structure for the ladle body, which causes it to vibrate, shake and slip during the movement of the base, affecting safety. It is also impossible to detect the metal and alloy element content in the molten steel and lacks control over the movement direction and speed.

Method used

A fastening structure for the ladle body is designed, and the spacing between the positioning plates is adjusted by a motor-driven screw and movable plate to ensure that the ladle body is fixed. An electrode lifting hydraulic cylinder is used to drive the electrodes into the molten steel for testing, and the movement of the base and the ladle body on the track is controlled by a motor.

Benefits of technology

It effectively avoids the shaking of the ladle body during movement, ensures safety, and can detect the metal and alloy elements in the molten steel to achieve precise control of the movement direction and speed.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223394312U_ABST
    Figure CN223394312U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of refining furnace buggy ladle devices, and provides an LF refining furnace buggy ladle device with a pick-up electrode, which comprises a base station, a steel ladle body arranged on the outer surface of the top of the base station, two first mounting frames, a first motor fixedly arranged on the outer surface of the base station, and a second motor fixedly arranged on the outer surface of the base station, a steel ladle body is placed on the surface of the base table, a first motor is started, an output shaft of the first motor rotates to drive a lead screw to rotate, then the lead screw drives two moving plates to move in the opposite or opposite directions along an adjusting groove, and through cooperation of a sliding rod on the other side and the two moving plates, the multiple moving plates drive two positioning plates to move in the opposite or opposite directions along the adjusting groove. The distance between the two positioning plates is adjusted, so that the steel ladle body can be fastened to the surface of the base table through the two positioning plates, and accidents caused by slippage of the steel ladle body due to vibration and shaking in the moving process of the base table are avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of refining furnace ladle car devices, in particular to an LF refining furnace ladle car device with a transfer electrode. Background Art

[0002] A ladle transport vehicle for a refining furnace is a specialized vehicle used to transport molten steel produced in a refining furnace. In the refining furnace, the molten steel undergoes refining treatment, and its composition and temperature are adjusted to obtain the desired quality. A transfer electrode is an electrode used for electrochemical analysis, which can be used to determine the content and proportion of various substances in a liquid, including metal ions, organic matter, and biomolecules.

[0003] In the prior art, for example, there is a utility model with Chinese Publication No. CN218903605U, which relates to the technical field of the metallurgical industry, and in particular to a ladle car device for an LF refining furnace with an electrode transfer mechanism. The technical solution comprises a ladle car and a lower base fixed to the upper side of the ladle car. An upper base is provided on the upper side of the lower base, which is connected to the lower base. The upper and lower bases are fixedly connected via two snap-fit ​​assemblies. A circular fixing plate is fixed to the upper side of the upper base via multiple buffer springs. A bearing is fixed to the upper side of the circular fixing plate. The inner ring of the bearing is fixed to the circular fixing plate. An outer sheath plate is fixed to the outer ring of the bearing. An outer guard ring is fixed to the upper side of the outer sheath plate. The utility model facilitates rotation, facilitates docking with the electrode, and provides a buffering effect during electrode docking. It is also convenient for assembly and disassembly, making replacement more convenient.

[0004] Although the above scheme has the advantages as mentioned above, the disadvantage of the above scheme is that there is a lack of structure to fasten the ladle body to the surface of the base, which makes it impossible for the device to avoid the problem of the ladle body being vibrated and shaken during the movement of the base, resulting in slippage and accidents. The safety of the use of the device is limited. There is a lack of structure to drive the transfer electrode body to move to contact the molten steel in the ladle body, which makes it impossible for the device to detect the content and proportion of various metals in the molten steel and the alloy elements required for refined steel. There is also a lack of structure to control the direction and speed of movement of the base and the ladle body on the track. Utility Model Content

[0005] The purpose of the utility model is to provide an LF refining furnace ladle car device with a transfer electrode. The utility model designs a structure in which the ladle body is fastened to the surface of the base, so that the device can avoid the problem of the ladle body being vibrated and shaken during the movement of the base, resulting in slippage and accidents, thereby improving the safety of the device. A structure is designed to drive the transfer electrode body to move to contact the molten steel in the ladle body, so that the device can detect the content and proportion of various metals in the molten steel and the alloy elements required for refined steel, and a structure is designed to control the direction and speed of movement of the base and the ladle body on the track.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a LF refining furnace ladle car device with a transfer electrode, comprising:

[0007] A base, the outer surface of the top of which is placed the ladle body, further comprising:

[0008] Two first mounting frames are fixedly arranged on the outer surface of the base, and a first motor is fixedly mounted on the opposite outer surfaces of the two bases. Two adjusting slots are provided on the outer surface of the top of the base, a sliding rod is fixedly arranged on the inner surface of one adjusting slot, and a screw rod is rotatably connected to the inner surface of the other adjusting slot. One end face of the screw rod is fixedly connected to the output shaft of the first motor, and a plurality of movable plates are movably connected to the inner surfaces of the two adjusting slots. The inner surfaces of the two movable plates on one side are slidably connected to the outer surface of the sliding rod, and the inner surfaces of the two movable plates on the other side are threadedly connected to the outer surface of the screw rod. The rotation of the first motor output shaft drives the screw rod to rotate, and the screw rod then drives the two movable plates to move along the adjusting slot to relative or opposite directions.

[0009] Preferably, two positioning plates are fixedly provided on the top outer surfaces of the multiple movable plates, and the opposite outer surfaces of the two positioning plates are abutted against the outer surface of the ladle body near the bottom. Through the cooperation of the sliding rod on the other side and the two movable plates, the multiple movable plates drive the two positioning plates to move in relative or opposite directions along the adjustment groove to adjust the distance between the two positioning plates.

[0010] Preferably, two second mounting brackets are fixedly provided on the outer surface of the top of the base, and second motors are fixedly provided on the opposite outer surfaces of the two second mounting brackets. A first gear is fixedly provided on the outer surface of the output shaft of the second motor, and the first gear is rotationally connected to the outer surface of the top of the base, and the second motor drives the first gear to rotate.

[0011] Preferably, a rotating plate is engaged on the outer surface of the first gear, and the rotating plate is rotatably connected to the outer surface of the top of the base. An electrode lifting hydraulic cylinder is fixedly provided on the outer surface of the top of the rotating plate. The first gear drives the rotating plate to rotate, and then drives the electrode lifting hydraulic cylinder to rotate.

[0012] Preferably, an electrode cross arm is fixedly provided on the outer surface of the top of the electrode lifting hydraulic cylinder, and a receiving electrode body is fixedly provided on the inner surface of the electrode cross arm. The electrode lifting hydraulic cylinder drives the electrode cross arm and the receiving electrode body to rotate to just above the ladle body, and the electrode lifting hydraulic cylinder contracts to drive the receiving electrode body to move to contact the molten steel in the ladle body.

[0013] Preferably, a plurality of first axis frames are fixedly provided on the outer surface of the bottom of the base, the inner surfaces of the plurality of first axis frames are rotatably connected to two first rotating shafts, a third gear is fixedly provided on the outer surface of one of the first rotating shafts, a plurality of moving wheels are fixedly provided on the outer surfaces of the two first rotating shafts, and the outer surfaces of the bottoms of the plurality of moving wheels are movably connected to two tracks, and the first rotating shaft drives the plurality of moving wheels to rotate, thereby driving the base and the ladle body to move on the track.

[0014] Preferably, two second axis frames are fixedly provided on the outer surface of the bottom of the base, and the relative inner surfaces of the two second axis frames are rotatably connected with a second rotating shaft. A second gear is fixedly provided on the outer surface of the second rotating shaft, the second axis frames support the second rotating shaft, and the second rotating shaft installs the second gear.

[0015] Preferably, a third motor is fixedly mounted on the outer surface of the bottom of the base, the output shaft of the third motor is fixedly connected to one end face of the second rotating shaft, the second gear is meshed with the third gear, and the third motor drives the second gear and the third gear to rotate.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are:

[0017] 1. In the utility model, the ladle body is placed on the surface of the base, the first motor is turned on, and the output shaft of the first motor rotates to drive the screw to rotate, and the screw then drives the two movable plates to move along the adjustment groove to relative or opposite directions. Through the cooperation of the sliding rod on the other side and the two movable plates, the multiple movable plates drive the two positioning plates to move along the adjustment groove to relative or opposite directions, and the distance between the two positioning plates is adjusted so that the two positioning plates can fasten the ladle body to the surface of the base, thereby avoiding the ladle body from vibrating and shaking during the movement of the base, causing slippage and accidents.

[0018] 2. In the present invention, the second motor drives the first gear and the rotating plate to rotate, and then drives the electrode lifting hydraulic cylinder and the electrode cross arm to rotate, driving the receiving electrode body to rotate to just above the ladle body. The electrode lifting hydraulic cylinder contracts and drives the receiving electrode body to move to contact the molten steel in the ladle body, which can detect the content and proportion of various metals in the molten steel and the alloy elements required for refined steel. The third motor drives the second gear and the third gear to rotate, and then drives the first rotating shaft and multiple moving wheels to rotate, thereby controlling the direction and speed of movement of the base and the ladle body on the track. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a LF refining furnace ladle car device with an electrode transfer device provided by the utility model;

[0020] Figure 2This is a schematic diagram of the bottom three-dimensional structure of a LF refining furnace ladle car device with an electrode transfer device provided by the utility model;

[0021] Figure 3 This is a side perspective structural diagram of a LF refining furnace ladle car device with an electrode transfer device provided by the utility model;

[0022] Figure 4 The utility model provides a LF refining furnace ladle car device with a transfer electrode Figure 1 A in the figure is an enlarged schematic diagram of the three-dimensional structure.

[0023] Legend:

[0024] 1. Base; 2. Slide; 3. Ladle body; 4. Positioning plate; 5. First rotating shaft; 6. Track; 7. Second mounting bracket; 8. Second motor; 9. First gear; 10. Rotating plate; 11. Electrode lifting hydraulic cylinder; 12. Electrode cross arm; 13. Electrode body for receiving and delivering; 14. First mounting bracket; 15. First motor; 16. Screw; 17. Adjusting slot; 18. Moving plate; 19. First axis bracket; 20. Moving wheel; 21. Third motor; 22. Second gear; 23. Second rotating shaft; 24. Second axis bracket; 25. Third gear. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0027] Example 1, as Figure 1-4As shown, the utility model provides an LF refining furnace ladle car device with a transfer electrode, comprising a base 1, a ladle body 3 is placed on the top outer surface of the base 1, two first mounting frames 14 are fixedly arranged on the outer surface of the base 1, and a first motor 15 is fixedly installed on the opposite outer surfaces of the two bases 1, and two adjusting grooves 17 are provided on the top outer surface of the base 1. A slide rod 2 is fixedly arranged on the inner surface of one adjusting groove 17, and a screw rod 16 is rotatably connected to the inner surface of the other adjusting groove 17. One end face of the screw rod 16 is fixedly connected to the output shaft of the first motor 15, and a plurality of movable plates 18 are movably connected to the inner surfaces of the two adjusting grooves 17. The inner surfaces of the two movable plates 18 on one side are slidably connected to the outer surface of the slide rod 2, and the inner surfaces of the two movable plates 18 on the other side are threadedly connected to the outer surface of the screw rod 16. The rotation of the output shaft of the first motor 15 drives the screw rod 16 to rotate, and the screw rod 16 then drives the two movable plates 18 to move along the adjusting groove 17 in relative or opposite directions.

[0028] Further, such as Figure 1-4 As shown, two positioning plates 4 are fixedly provided on the top outer surfaces of the multiple movable plates 18, and the opposite outer surfaces of the two positioning plates 4 are abutted against the outer surface of the ladle body 3 near the bottom. Through the cooperation of the sliding rod 2 on the other side and the two movable plates 18, the multiple movable plates 18 drive the two positioning plates 4 to move in relative or opposite directions along the adjustment groove 17 to adjust the distance between the two positioning plates 4.

[0029] Further, such as Figure 1-4 As shown, two second mounting brackets 7 are fixedly provided on the outer surface of the top of the base 1, and second motors 8 are fixedly installed on the opposite outer surfaces of the two second mounting brackets 7. A first gear 9 is fixedly provided on the outer surface of the output shaft of the second motor 8. The first gear 9 is rotatably connected to the outer surface of the top of the base 1, and the second motor 8 drives the first gear 9 to rotate.

[0030] Further, such as Figure 1-4 As shown, a rotating plate 10 is engaged with the outer surface of the first gear 9, and the rotating plate 10 is rotatably connected to the outer surface of the top of the base 1. An electrode lifting hydraulic cylinder 11 is fixedly provided on the outer surface of the top of the rotating plate 10. The first gear 9 drives the rotating plate 10 to rotate, and then drives the electrode lifting hydraulic cylinder 11 to rotate.

[0031] Further, such as Figure 1-4 As shown, an electrode cross arm 12 is fixedly provided on the outer surface of the top of the electrode lifting hydraulic cylinder 11, and a receiving electrode body 13 is fixedly provided on the inner surface of the electrode cross arm 12. The electrode lifting hydraulic cylinder 11 drives the electrode cross arm 12 and the receiving electrode body 13 to rotate to the top of the ladle body 3. The electrode lifting hydraulic cylinder 11 contracts and drives the receiving electrode body 13 to move to contact the molten steel in the ladle body 3.

[0032] Further, such as Figure 1-4As shown, a plurality of first axis frames 19 are fixedly provided on the outer surface of the bottom of the base 1, and the inner surfaces of the plurality of first axis frames 19 are rotatably connected to two first rotating shafts 5. A third gear 25 is fixedly provided on the outer surface of one first rotating shaft 5, and a plurality of moving wheels 20 are fixedly provided on the outer surfaces of the two first rotating shafts 5. The outer surfaces of the bottoms of the plurality of moving wheels 20 are movably connected to two tracks 6. The first rotating shaft 5 drives the plurality of moving wheels 20 to rotate, thereby driving the base 1 and the ladle body 3 to move on the track 6.

[0033] Further, such as Figure 1-4 As shown, two second axis frames 24 are fixedly provided on the outer surface of the bottom of the base 1, and the relative inner surfaces of the two second axis frames 24 are rotatably connected with the second rotating shaft 23. The outer surface of the second rotating shaft 23 is fixedly provided with a second gear 22. The second axis frames 24 support the second rotating shaft 23, and the second rotating shaft 23 installs the second gear 22.

[0034] Further, such as Figure 1-4 As shown, a third motor 21 is fixedly installed on the outer surface of the bottom of the base 1, the output shaft of the third motor 21 is fixedly connected to one end surface of the second rotating shaft 23, the second gear 22 is meshed with the third gear 25, and the third motor 21 drives the second gear 22 and the third gear 25 to rotate.

[0035] Working principle: The ladle body 3 is placed on the surface of the base 1, and the first motor 15 is turned on. The output shaft of the first motor 15 rotates to drive the screw 16 to rotate, and the screw 16 then drives the two movable plates 18 to move along the adjustment slot 17 to relative or opposite directions. Through the cooperation of the other side slide bar 2 and the two movable plates 18, the multiple movable plates 18 drive the two positioning plates 4 to move along the adjustment slot 17 to relative or opposite directions, and the distance between the two positioning plates 4 is adjusted so that the two positioning plates 4 can fasten the ladle body 3 to the surface of the base 1, avoiding the ladle body 3 from being vibrated and shaken during the movement of the base 1, resulting in slippage and accidents. The second motor 8 drives the first gear 9 and the rotating plate 10 to rotate, and then drives the electrode lifting hydraulic cylinder 11 and the electrode cross arm 12 to rotate, and drives the receiving electrode body 13 to rotate to the top of the ladle body 3. The electrode lifting hydraulic cylinder 11 contracts and drives the receiving electrode body 13 to move to contact the molten steel in the ladle body 3, which can detect the content and proportion of various metals in the molten steel and the alloy elements required for refined steel. The third motor 21 drives the second gear 22 and the third gear 25 to rotate, and then drives the first rotating shaft 5 and multiple moving wheels 20 to rotate, and controls the direction and speed of movement of the base 1 and the ladle body 3 on the track 6.

[0036] The above are merely preferred embodiments of the present invention and do not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A LF refining furnace ladle car device with a transfer electrode, comprising: A base (1), wherein a ladle body (3) is placed on the top outer surface of the base (1), and the base (1) is characterized in that it further comprises: Two first mounting frames (14) are fixedly arranged on the outer surface of the base (1), and the first motors (15) are fixedly installed on the opposite outer surfaces of the two bases (1). Two adjustment slots (17) are provided on the outer surface of the top of the base (1), and a slide bar (2) is fixedly arranged on the inner surface of one adjustment slot (17). A screw rod (16) is rotatably connected to the inner surface of the other adjustment slot (17). One end face of the screw rod (16) is fixedly connected to the output shaft of the first motor (15). A plurality of movable plates (18) are movably connected to the inner surfaces of the two adjustment slots (17). The inner surfaces of the two movable plates (18) on one side are slidably connected to the outer surface of the slide bar (2), and the inner surfaces of the two movable plates (18) on the other side are threadedly connected to the outer surface of the screw rod (16).

2. The LF refining furnace ladle car device with a transfer electrode according to claim 1, characterized in that: Two positioning plates (4) are fixedly provided on the top outer surfaces of the plurality of movable plates (18), and the opposite outer surfaces of the two positioning plates (4) abut against the outer surface of the ladle body (3) near the bottom.

3. The LF refining furnace ladle car device with a transfer electrode according to claim 1, characterized in that: Two second mounting brackets (7) are fixedly provided on the outer surface of the top of the base (1); second motors (8) are fixedly provided on the opposite outer surfaces of the two second mounting brackets (7); a first gear (9) is fixedly provided on the outer surface of the output shaft of the second motor (8); and the first gear (9) is rotatably connected to the outer surface of the top of the base (1).

4. The LF refining furnace ladle car device with electrode transfer according to claim 3, characterized in that: The outer surface of the first gear (9) is meshed with a rotating plate (10), the rotating plate (10) is rotatably connected to the outer surface of the top of the base (1), and the outer surface of the top of the rotating plate (10) is fixedly provided with an electrode lifting hydraulic cylinder (11).

5. The LF refining furnace ladle car device with electrode transfer according to claim 4, characterized in that: An electrode cross arm (12) is fixedly provided on the outer surface of the top of the electrode lifting hydraulic cylinder (11), and an electrode receiving and delivering body (13) is fixedly provided on the inner surface of the electrode cross arm (12).

6. The LF refining furnace ladle car device with a transfer electrode according to claim 1, characterized in that: A plurality of first shaft frames (19) are fixedly provided on the outer surface of the bottom of the base (1); the inner surfaces of the plurality of first shaft frames (19) are rotatably connected to two first rotating shafts (5); a third gear (25) is fixedly provided on the outer surface of one of the first rotating shafts (5); a plurality of moving wheels (20) are fixedly provided on the outer surfaces of two of the first rotating shafts (5); and the outer surfaces of the bottoms of the plurality of moving wheels (20) are movably connected to two tracks (6).

7. The LF refining furnace ladle car device with electrode transfer according to claim 6, characterized in that: Two second shaft frames (24) are fixedly provided on the outer surface of the bottom of the base (1); the relative inner surfaces of the two second shaft frames (24) are rotatably connected to a second rotating shaft (23); and a second gear (22) is fixedly provided on the outer surface of the second rotating shaft (23).

8. The LF refining furnace ladle car device with electrode transfer according to claim 7, characterized in that: A third motor (21) is fixedly mounted on the outer surface of the bottom of the base (1); an output shaft of the third motor (21) is fixedly connected to one end surface of the second rotating shaft (23); and the second gear (22) is meshed with the third gear (25).

Citation Information

Patent Citations

  • LF (ladle furnace) buggy ladle device with pick-up electrode

    CN218903605U