Stokehole transfer trolley for molten iron transfer

Abstract

The invention relates to the technical field of transportation equipment, and discloses a molten iron transferring furnace front transfer trolley which comprises a first transfer trolley body used for receiving molten iron and transferring the molten iron to a second transfer trolley body. The second transfer trolley is used for being in butt joint with the first transfer trolley so as to receive the ladle and sequentially conducting spheroidizing treatment at the spheroidizing station, slagging-off treatment at the slagging-off station and pouring molten iron into the casting machine casting ladle at the casting station; and the transportation track penetrates through the whole transfer system and is used for guiding the running tracks of the first transfer trolley and the second transfer trolley, and the balling stations are arranged on the running path of the same side of the second transfer trolley along the transportation track and are used for carrying out balling treatment on the molten iron. The first transfer trolley and the second transfer trolley are arranged for cooperative operation, the running track is guided in cooperation with the transport track of the penetrating system, staged coherent transfer of molten iron from receiving to pouring is achieved, and the problems that the no-load rate is high and the transport efficiency is low due to frequent back and forth of a traditional single transfer trolley are effectively solved.

Description

Technical Field

[0001] This invention relates to the field of transportation equipment technology, specifically to a furnace-front transfer car for molten iron transfer. Background Technology

[0002] In the iron and steel metallurgy industry, molten iron transfer is a crucial step in safely and efficiently transporting molten iron produced from blast furnaces to subsequent processing stations. Traditional molten iron transfer methods mostly use fixed tracks with a single transfer car, which, while meeting basic transportation needs, also presents several problems. On the one hand, when a single transfer car is operating, it needs to frequently travel between the blast furnace and subsequent processing stations, resulting in a high empty load rate and low transportation efficiency. On the other hand, traditional transfer cars lack effective molten iron processing capabilities; pre-treatment processes such as spheroidization and slag removal must be completed in specialized equipment, leading to a cumbersome process flow and increasing the risk of temperature drop during multiple transfers.

[0003] However, while some existing transfer vehicles are equipped with spheroidizing ladles and slag removal stations, enabling some pretreatment of molten iron, these devices lack an effective collaborative operation mechanism. For example, the docking precision between the transfer vehicle and the blast furnace taphole and subsequent processing stations is insufficient, often requiring manual positioning, which increases labor costs and reduces production efficiency. Furthermore, the lack of a precise distance measurement and positioning system makes it difficult to ensure accurate placement of the molten iron ladle, easily leading to safety hazards such as molten iron spillage. In addition, the insufficient sealing at the transfer vehicle connections makes molten iron leakage during transport prone to occur, seriously threatening the safety of operators and equipment. These problems urgently need improvement to meet the higher requirements of the modern iron and steel metallurgical industry for efficiency, safety, and automation in molten iron transfer. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a furnace-front transfer car for molten iron transfer, which solves the problems of low efficiency, insufficient safety, and low automation in molten iron transfer in existing technologies.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a molten iron transfer vehicle for furnace front operation, comprising: Transfer car one is used to receive molten iron and transfer it to transfer car two; Transfer car 2 is used to connect with transfer car 1 to receive molten iron ladle, and sequentially perform spheroidization treatment at the spheroidizing station, slag removal treatment at the slag removal station, and pour molten iron into the casting machine ladle at the casting station. The transport track runs through the entire transfer system and is used to guide the running trajectory of transfer vehicle one and transfer vehicle two; The spheroidizing station is set along the same side of the transport track on the same running path of the transfer car 2, and is used to spheroidize molten iron. The slag removal station is set along the transport track on the same side of the running path of the transfer car 2, and is used to remove slag from the molten iron. Motorized roller conveyor one and motorized roller conveyor two are respectively installed on the top sides of transfer car one and transfer car two to realize the automated transfer of molten iron ladles. The positioning station, located on motorized roller conveyor one and motorized roller conveyor two, is used to position the molten iron ladle during the transfer process.

[0006] Through the above technical solution, by setting up transfer car one and transfer car two to work together, and using the transport track to guide the running trajectory, the spheroidizing station and the slag removal station are arranged in an orderly manner along the same running path of transfer car two, in order of approaching and moving away from the docking end. The automatic transfer of molten iron ladle is realized through motorized roller conveyor one and motorized roller conveyor two. With the positioning station for positioning and limiting the molten iron ladle, the whole process of molten iron from receiving and transferring to spheroidizing treatment, slag removal treatment and casting is realized in a continuous, precise and automated manner, ensuring that each process is carried out in an orderly and efficient manner.

[0007] Preferably, the docking ends of the first and second transfer vehicles are respectively equipped with a laser ranging sensor bracket and a proximity switch sensor bracket. The laser ranging sensor bracket and the proximity switch sensor bracket are connected to the control system through signal cables and are used to detect the distance and positional accuracy when the two vehicles dock.

[0008] Through the above technical solution, the laser ranging sensor bracket and the proximity switch sensor bracket at the docking end of transfer vehicle 1 and transfer vehicle 2 are connected to the control system through signal cables. The system can detect the distance and positional accuracy of the two vehicles during docking in real time and provide feedback signals, thereby achieving precise control of the docking process and ensuring the accuracy and stability of the docking.

[0009] Preferably, it also includes a spheroidizing ladle, which is fixedly connected to the spheroidizing station arranged on the transport track. The spheroidizing station is located beside the running path of the transfer car two and its position is fixed. When the transfer car two carries the molten iron ladle and moves to the corresponding position of the spheroidizing station, the discharge end of the spheroidizing ladle is opposite to the opening of the molten iron ladle, and is used to add spheroidizing agent into the molten iron ladle to complete the spheroidizing treatment of the molten iron.

[0010] The above technical solution involves fixing the spheroidizing ladle at a fixed spheroidizing station along the transport track, with the station located beside the running path of the second transfer vehicle. When the second transfer vehicle carrying the molten iron ladle moves to the corresponding position, the discharge end of the spheroidizing ladle is aligned with the opening of the molten iron ladle, thereby precisely adding spheroidizing agent into the molten iron ladle to complete the spheroidizing treatment.

[0011] Preferably, the two sides of the transfer vehicle are equipped with columns, which are used to support the structure of the transfer vehicle and provide stability.

[0012] The above technical solution provides support and stability to the structure of the transfer vehicle by installing columns on both sides of the transfer vehicle.

[0013] Preferably, a sealing device is provided at the edge of the docking end face of the first and second transfer cars. The sealing device includes a membrane, which is laid around the inner edge of the docking gap between the two cars to seal the gap and prevent molten iron from leaking out.

[0014] By using the above technical solution, a sealing device including a membrane is set at the edge of the docking end face of transfer car one and transfer car two, and the membrane is laid around the inner edge of the docking gap between the two cars, the gap is directly sealed to prevent molten iron from leaking out.

[0015] Preferably, both the first and second transfer vehicles are equipped with a walking device at their bottom. The walking device includes a walking wheel and a drive motor. The drive motor is fixedly connected to the walking wheel and is used to drive the transfer vehicle to move smoothly on the transport track to realize the transfer of molten iron ladles.

[0016] Through the above technical solution, by setting a walking device containing walking wheels and a drive motor at the bottom of the first and second transfer cars, and by fixing the drive motor to the walking wheels, the transfer cars can be driven to move smoothly on the transport track, thereby completing the transfer of molten iron ladles; at the same time, by setting a sealing device including a film at the edge of the docking end face of the two cars, and by laying the film around the inner edge of the docking gap, the gap can be directly sealed, thereby preventing molten iron leakage.

[0017] Preferably, both the first and second transfer vehicles are equipped with a hanger fixedly on their top frames. The hanger is rigidly connected to the load-bearing beam on the top of the transfer vehicle via a column. The bottom of the hanger is provided with an arc-shaped hook adapted to the lifting lug of the molten iron ladle, which is used to accurately place the molten iron ladle into the preset bearing position of the transfer vehicle by a lifting device. The first transfer vehicle is provided with a positioning mechanism 1 on both sides, and the second transfer vehicle is provided with a positioning mechanism 2 on both sides. The positioning mechanism 1 and the positioning mechanism 2 both include hydraulically driven retractable claws. When the molten iron ladle is placed in the transfer vehicle, the claws of the positioning mechanism 1 and the positioning mechanism 2 can extend horizontally to the side of the molten iron ladle and clamp its outer peripheral wall, which is used to fix the molten iron ladle from both sides.

[0018] Through the above technical solution, by setting up hangers on the top frames of transfer car one and transfer car two, and by rigidly connecting the hangers to the top load-bearing beams through columns and providing arc-shaped hooks at the bottom that are adapted to the lifting lugs of the molten iron ladle, the molten iron ladle can be accurately placed into the preset bearing position of the transfer car by the hoisting equipment; at the same time, by setting up positioning mechanism one on both sides of transfer car one and positioning mechanism two on both sides of transfer car two, and by setting up positioning mechanism one on both sides of transfer car two, and by setting up positioning mechanism two on both sides of transfer car two, and by setting up positioning mechanism one on both sides of transfer car one, and by setting up positioning mechanism two on both sides of transfer car two, and by setting up positioning mechanism one on both sides of transfer car two, and by setting up positioning mechanism two on both sides of transfer car one, and by setting up positioning mechanism two on both sides of transfer car two, and by setting up positioning mechanism one on both sides of transfer car one, and by setting up positioning mechanism two on both sides of transfer car two, and by setting up positioning mechanism one on both sides of transfer car one, and by setting up positioning mechanism two on both sides of transfer car two, and by setting up positioning mechanism one on both sides of transfer car one, and by setting up positioning mechanism two on both sides of transfer car two, and by setting up positioning mechanism one on both sides of transfer car one, and by setting up positioning mechanism two on both sides of transfer car two, and by setting up positioning mechanism two ...

[0019] Preferably, it also includes channel steel, the extended end of which is fixedly connected to the ground foundation by anchor bolts.

[0020] By using the above technical solution, anchor bolts are used to fix the extended end of the channel steel to the ground foundation, thereby enhancing the structural stability of the transport vehicle during operation and preventing equipment displacement.

[0021] This invention provides a furnace-front transfer car for molten iron transfer. It has the following beneficial effects: 1. This invention, by setting up two transfer cars (Transfer Car 1 and Transfer Car 2) to work together and using a transport track throughout the system to guide the movement, achieves a phased and continuous transfer of molten iron from receiving to pouring. This effectively solves the problems of high empty load rate and low transport efficiency caused by frequent back-and-forth trips of traditional single transfer cars, significantly improving the overall operational efficiency of molten iron transfer. Furthermore, by orderly arranging the spheroidizing station and slag removal station along the running path of Transfer Car 2, and combining the spheroidizing ladle fixed at the spheroidizing station to complete the molten iron pretreatment, it achieves integrated connection between molten iron transfer and the spheroidizing and slag removal processes, solving the problem of cumbersome process flow caused by the disconnect between pretreatment and transfer in traditional technologies.

[0022] 2. This invention uses a laser ranging sensor bracket and a proximity switch sensor bracket to monitor the docking accuracy of the transfer car and the position of the molten iron ladle in real time. Combined with the film sealing structure on the docking end face of the transfer car, it effectively solves the safety hazards caused by positioning deviation and the problem of molten iron leakage caused by insufficient sealing at the connection in the prior art, and ensures the position accuracy and operational safety of the molten iron transfer process. Attached Figure Description

[0023] Figure 1 Layout of the present invention Figure 1 ; Figure 2 Layout of the present invention Figure 2 ; Figure 3 This is a structural schematic diagram of the operating position of the transfer vehicle of the present invention; Figure 4 This is a schematic diagram of the structure of the transfer vehicle and the casting machine of the present invention.

[0024] Among them, 1. Transfer vehicle one; 2. Transfer vehicle two; 3. Motorized roller conveyor one; 4. Motorized roller conveyor two; 5. Spheroidizing bag; 6. Laser rangefinder sensor bracket; 7. Proximity switch sensor bracket; 8. Wrapping film; 9. Hanger; 10. Positioning mechanism one; 11. Positioning mechanism two; 12. Transport track; 13. Column; 14. Slag removal station; 15. Channel steel; 16. Positioning station; 17. Spheroidizing station. Detailed Implementation

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] Please see the appendix Figure 1 - Appendix Figure 4 This invention provides a hot metal transfer vehicle for furnace front operation, comprising: Transfer car 1, used to receive molten iron and transfer it to transfer car 2; Transfer car 2 is used to dock with transfer car 1 to receive molten iron ladle, and sequentially perform spheroidizing treatment at ball forming station 17, slag removal treatment at slag removal station 14, and pour molten iron into the casting machine ladle at the casting station. A sealing device is provided at the edge of the docking end face of transfer car 1 and transfer car 2. The sealing device includes a membrane 8, which is laid around the inner edge of the docking gap between the two cars to seal the gap and prevent molten iron from leaking out.

[0027] Specifically, transfer car 1, serving as the receiving and initial transfer carrier for molten iron, receives molten iron from the blast furnace and moves along a preset path, achieving directional transfer of molten iron from the taphole to transfer car 2. Transfer car 2 receives the molten iron ladle through precise docking with transfer car 1, then sequentially stops at spheroidizing station 17 for spheroidizing treatment and at slag removal station 14 for slag removal treatment, finally transferring the pre-treated molten iron to the casting station, achieving orderly transfer of molten iron throughout the entire process. Simultaneously, when transfer car 1 and transfer car 2 dock, the cladding 8 on the edges of their end faces is laid around the inner side of the docking seam. Utilizing the flexibility and high-temperature resistance of the cladding 8, it tightly adheres to the seam under the docking pressure, forming a continuous sealing barrier. This directly blocks the path of molten iron leakage from the seam during transfer or docking, ensuring operational safety during the docking process. The two sides of the transfer vehicle 2 are equipped with columns 13, which are used to support the structure of the transfer vehicle and provide stability.

[0028] The docking ends of transfer vehicle 1 and transfer vehicle 2 are respectively equipped with a laser rangefinder bracket 6 and a proximity switch sensor bracket 7. The laser rangefinder bracket 6 and the proximity switch sensor bracket 7 are connected to the control system through signal cables and are used to detect the distance and position accuracy when the two vehicles dock.

[0029] Specifically, the laser ranging sensor bracket 6 at the docking end of transport vehicle 1 collects the distance data between it and transport vehicle 2 in real time, while the proximity switch sensor bracket 7 at the docking end of transport vehicle 2 synchronously detects whether the two vehicles have reached the preset docking position. The two transmit distance information and position signals to the control system through signal cables. The control system dynamically adjusts the operating status of the two vehicles based on the feedback data, realizing real-time monitoring and precise control of the docking distance and position accuracy, and ensuring the accuracy and stability of the docking process between the two vehicles.

[0030] Transport track 12 runs through the entire transfer system and is used to guide the running trajectory of transfer vehicle 1 and transfer vehicle 2; The spheroidizing station 17 is located along the transport track 12 on the same side of the running path of the second transfer car 2, and is situated near the docking end of the first transfer car 1, for spheroidizing the molten iron. The slag removal station 14 is located along the transport track 12 on the same side of the running path of the second transfer car 2, and is situated away from the docking end of the first transfer car 1, for slag removal of the molten iron. Specifically, the spheroidizing station 17 and the slag removal station 14 are set on the same side of the running path of the transfer car 2 along the transport track 12. The fixed position layout allows the transfer car 2 to pass through the two stations sequentially along the track without turning, reducing process redundancy. Among them, the spheroidizing station 17 is close to the docking end of the transfer car 1, and the slag removal station 14 is far away from the docking end, which is suitable for the pretreatment process sequence of spheroidizing first and then slag removal. The transport track 12 guides the transfer car 2 to accurately stop at the corresponding station, ensuring that the molten iron ladle completes spheroidizing and slag removal at the preset position, realizing the continuous and efficient operation of the pretreatment process.

[0031] Motorized roller conveyor 1 (3) and motorized roller conveyor 2 (4) are respectively installed on the top sides of transfer car 1 (1) and transfer car 2 (2) to realize the automated transfer of molten iron ladles. Positioning station 16 is set on motorized roller conveyor 3 and motorized roller conveyor 4, and is used to position the molten iron ladle during the transfer process.

[0032] It also includes a spheroidizing ladle 5, which is fixedly connected to a spheroidizing station 17 arranged along the transport track 12. The spheroidizing station 17 is located beside the running path of the transfer car 2 and its position is fixed. When the transfer car 2 carries the molten iron ladle and moves to the corresponding position of the spheroidizing station 17, the discharge end of the spheroidizing ladle 5 is opposite to the opening of the molten iron ladle, and is used to add spheroidizing agent into the molten iron ladle to complete the spheroidizing treatment of the molten iron.

[0033] Specifically, when the transfer car 2 carrying the molten iron ladle moves along the transport track 12 to the corresponding position of the spheroidizing station 17, the discharge end of the spheroidizing ladle 5 is precisely aligned with the opening of the molten iron ladle. Through the fixed layout and the directional movement of the transfer car, the spheroidizing agent is precisely added into the molten iron ladle, thereby completing the spheroidizing treatment of the molten iron.

[0034] Both the transfer car 1 and the transfer car 2 are equipped with a walking device at the bottom. The walking device includes a walking wheel and a drive motor. The drive motor is fixedly connected to the walking wheel and is used to drive the transfer car to move smoothly on the transport track 12 to realize the transfer of molten iron ladles.

[0035] Both the top frames of transfer car 1 and transfer car 2 are fixedly equipped with hangers 9. The hangers 9 are rigidly connected to the load-bearing beams on the top of the transfer car through columns 13. The bottom of the hangers is equipped with arc-shaped hooks adapted to the lifting lugs of the molten iron ladle, which are used to accurately place the molten iron ladle into the preset bearing position of the transfer car by the lifting equipment. Both sides of transfer car 1 are equipped with positioning mechanisms 10, and both sides of transfer car 2 are equipped with positioning mechanisms 21. Both positioning mechanisms 10 and 21 include hydraulically driven retractable claws. When the molten iron ladle is placed in the transfer car, the claws of positioning mechanisms 10 and 21 can extend horizontally to the side of the molten iron ladle and clamp its outer peripheral wall to fix the molten iron ladle from both sides.

[0036] Specifically, the lifting frame 9 is rigidly connected to the top load-bearing beam of the transfer vehicle via the column 13, ensuring the stability of the lifting structure; its bottom arc hook is adapted to the molten iron ladle lifting lug, enabling the lifting equipment to accurately grasp the molten iron ladle and position it at the preset load position. The positioning mechanism 10 of transfer vehicle 1 and the positioning mechanism 211 of transfer vehicle 2 both adopt hydraulically driven retractable claws. When the molten iron ladle is placed in place, the claws extend horizontally and clamp the outer wall of the molten iron ladle, fixing the molten iron ladle with rigid clamps on both sides to prevent it from shifting due to shaking during the transfer process, thus ensuring the stability of the molten iron ladle.

[0037] It also includes channel steel 15, the extended end of which is fixedly connected to the ground foundation by anchor bolts.

[0038] Working principle: The specific operation of this device includes the following steps; Molten iron receiving and initial transfer: Transfer car 1 moves along transport track 12 to the blast furnace taphole. Using the hoist 9 on the top frame and hoisting equipment, the molten iron ladle is precisely placed on the motorized roller conveyors 3 on both sides of the top. At this time, the positioning mechanisms 10 on both sides of transfer car 1 are activated, and their hydraulically driven retractable claws extend horizontally to clamp the outer wall of the molten iron ladle, thus securing it. Subsequently, the drive motor of the bottom traveling device of transfer car 1 drives the traveling wheels to move along transport track 12, transferring the molten iron ladle to the docking area with transfer car 2.

[0039] Dual-car docking and molten iron ladle transfer: When transfer car 1 and transfer car 2 dock, the laser ranging sensor bracket 6 at the docking end of transfer car 1 and the proximity switch sensor bracket 7 at the docking end of transfer car 2 detect the distance and position accuracy in real time, and the signal is transmitted to the control system to ensure accurate docking. The cladding 8 on the edge of the docking end faces of the two cars wraps around the inside of the gap to form a seal to prevent molten iron leakage. At this time, motorized roller conveyor 3 and motorized roller conveyor 4 operate synchronously, smoothly transporting the molten iron ladle from transfer car 1 to the motorized roller conveyor 4 of transfer car 2. The positioning mechanism 211 on both sides of transfer car 2 then extends its claws to clamp the molten iron ladle, completing the transfer and fixation.

[0040] Hot metal pretreatment process: Transfer car 2 moves along transport track 12 to the pretreatment area, first stopping at ball-forming station 17. This station 17 is located on the same side of the transport track 12 as transfer car 2, near the docking end of transfer car 1. When transfer car 2, carrying the hot metal ladle, moves to the corresponding position, the discharge end of the ball-forming ladle 5, fixed at ball-forming station 17, aligns with the ladle opening, and ball-forming agent is added to the ladle to complete the ball-forming process. After ball-forming, transfer car 2 continues to move along the track to slag removal station 14—this station is located on the same side of the transport track 12 as transfer car 2, away from the docking end of transfer car 1. During this process, positioning station 16 on motorized roller conveyor 2 4 positions the hot metal ladle to ensure stable slag removal operation.

[0041] Final Transfer and Pouring: After pretreatment, the transfer vehicle 2 moves along the transport track 12 towards the pouring station. The columns 13 on both sides enhance structural stability through rigid connections with the top frame and bottom frame. Upon arrival at the pouring station, the extended end of the channel steel 15 is fixed to the ground foundation with anchor bolts to prevent displacement of the transfer vehicle. The positioning mechanism 2 11 releases its chucks, and the molten iron ladle, assisted by the hanger 9, smoothly pours the molten iron into the pouring machine ladle, completing the entire transfer process.

[0042] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A furnace-front transfer car for molten iron transfer, characterized in that, include: Transfer car 1 (1) is used to receive molten iron and transfer it to transfer car 2 (2). Transfer car 2 (2) is used to dock with transfer car 1 (1) to receive molten iron ladle, and to perform spheroidization treatment at balling station (17), slag removal treatment at slag removal station (14), and pour molten iron into casting machine ladle at casting station. The transport track (12) runs through the entire transfer system and is used to guide the running trajectory of transfer vehicle one (1) and transfer vehicle two (2); The ball-forming station (17) is set on the same side of the running path of the transfer car (2) along the transport track (12) and is used to ball-form molten iron. The slag removal station (14) is set on the same side of the running path of the transfer car (2) along the transport track (12) and is used to remove slag from molten iron. Motorized roller conveyor one (3) and motorized roller conveyor two (4), which are respectively set on the top sides of transfer car one (1) and transfer car two (2) to realize the automated transfer of molten iron ladle; The positioning station (16) is set on the motorized roller conveyor one (3) and the motorized roller conveyor two (4) and is used to position the molten iron ladle during the transfer process.

2. The molten iron transfer vehicle according to claim 1, characterized in that, The docking ends of the first transfer vehicle (1) and the second transfer vehicle (2) are respectively equipped with a laser ranging sensor bracket (6) and a proximity switch sensor bracket (7). The laser ranging sensor bracket (6) and the proximity switch sensor bracket (7) are connected to the control system through signal cables and are used to detect the distance and position accuracy when the two vehicles dock.

3. The molten iron transfer vehicle according to claim 1, characterized in that, It also includes a spheroidizing ladle (5), which is fixedly connected to a spheroidizing station (17) arranged along the transport track (12). The spheroidizing station (17) is located beside the running path of the transfer car (2) and its position is fixed. When the transfer car (2) carries the molten iron ladle to the corresponding position of the spheroidizing station (17), the discharge end of the spheroidizing ladle (5) is opposite to the opening of the molten iron ladle, and is used to add spheroidizing agent into the molten iron ladle to complete the spheroidizing treatment of the molten iron.

4. The molten iron transfer vehicle according to claim 1, characterized in that, The two sides of the transfer vehicle (2) are equipped with columns (13), which are used to support the structure of the transfer vehicle and provide stability.

5. The molten iron transfer vehicle according to claim 1, characterized in that, A sealing device is provided at the edge of the docking end face of the transfer car one (1) and the transfer car two (2). The sealing device includes a membrane (8), which is laid around the inner edge of the docking gap between the two cars to seal the gap and prevent molten iron from leaking out.

6. The molten iron transfer vehicle according to claim 1, characterized in that, Both the first transfer vehicle (1) and the second transfer vehicle (2) are equipped with a walking device at the bottom. The walking device includes a walking wheel and a drive motor. The drive motor is fixedly connected to the walking wheel and is used to drive the transfer vehicle to move smoothly on the transport track (12) to realize the transfer of molten iron ladles.

7. The molten iron transfer vehicle according to claim 1, characterized in that, Both the first (1) and the second (2) of the transfer vehicle are fixedly equipped with a hanger (9). The hanger (9) is rigidly connected to the load-bearing beam on the top of the transfer vehicle through a column (13). The bottom of the hanger is equipped with an arc hook adapted to the lifting lug of the molten iron ladle, which is used to accurately place the molten iron ladle on the preset bearing position of the transfer vehicle through the lifting equipment. Both sides of the first (1) of the transfer vehicle are equipped with a positioning mechanism (10), and both sides of the second (2) of the transfer vehicle are equipped with a positioning mechanism (11). Both the positioning mechanism (10) and the positioning mechanism (11) include hydraulically driven retractable claws. When the molten iron ladle is placed on the transfer vehicle, the claws of the positioning mechanism (10) and the positioning mechanism (11) can extend horizontally to the side of the molten iron ladle and clamp its outer peripheral wall, which is used to fix the molten iron ladle from both sides.

8. The molten iron transfer vehicle according to claim 1, characterized in that, It also includes a channel steel (15), the extended end of which is fixedly connected to the ground foundation by anchor bolts.

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