Movable high-temperature molten metal continuous casting device

By designing a mobile high-temperature molten metal continuous casting device, and combining mechanical and hydraulic systems, the safety hazards of overhead crane hoisting and casting were solved, and constant-speed and quantitative casting of high-temperature molten metal was achieved, thus improving production safety and stability.

CN223544096UActive Publication Date: 2025-11-14GANSU ACAD OF MECHANICAL SCI
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Patent Information

Application Number
CN202422035025.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-11-14
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

In existing technologies, the use of overhead cranes to lift molten iron ladles for casting high-temperature molten metal poses safety hazards and health risks, and the casting process is unstable.

Method used

Design a mobile high-temperature molten metal continuous casting device that combines mechanical structure and hydraulic system. The tilting angle of the molten iron ladle nozzle is controlled by the hydraulic mechanism to achieve constant speed and quantitative casting, replacing the traditional overhead crane lifting method.

Benefits of technology

It improves the safety and stability of the high-temperature molten metal casting process, reduces safety risks, realizes controllable, constant-speed, and quantitative casting of high-temperature molten metal, reduces waste, and is suitable for multi-point production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a movable type high-temperature molten metal continuous casting device, belongs to the field of metal and iron alloy production, and solves the problem that potential safety hazards exist in the mode that a crown block lifts a ladle for casting. The device comprises a track, a mobile vehicle body and a supporting platform, the mobile vehicle body travels on the track, and rotating supports are arranged at the two ends of the mobile vehicle body; a front side fixing frame is arranged on the front side of the supporting platform, the front side fixing frame is rotationally connected to the rotating support, an overturning oil cylinder is rotationally connected to the front side fixing frame, and the other end of the overturning oil cylinder is rotationally connected to the supporting platform; a rear side overturning frame is arranged on the rear side of the supporting platform, a first connecting rod is rotationally connected to the rear side overturning frame, a second connecting rod is rotationally connected to the end of the first connecting rod, the end of the second connecting rod is rotationally connected to the movable vehicle body, a supporting oil cylinder is rotationally connected to the second connecting rod, and the other end of the supporting oil cylinder (9-6) is rotationally connected to the movable vehicle body. According to the utility model, the potential safety hazard existing in the casting mode of lifting the ladle by a crown block is avoided.
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Description

Technical Field

[0001] This utility model belongs to the field of metal and ferroalloy production, and specifically relates to a mobile high-temperature molten metal continuous casting device. Background Technology

[0002] The ferroalloy casting process mainly involves first pouring high-temperature molten metal from an electric furnace into a ladle, then using an overhead crane to lift the ladle. Finally, operators adjust the height of the main and auxiliary hooks of the overhead crane to adjust the angle of the ladle's nozzle, thus completing the casting process. However, using an overhead crane to lift the ladle for high-temperature molten metal casting poses serious safety hazards, and the high temperatures and heat radiation involved in ferroalloy casting production severely impact the health of related production equipment and personnel. Utility Model Content

[0003] The purpose of this invention is to provide a mobile high-temperature molten metal continuous casting device to solve the safety hazards associated with the method of casting molten iron by lifting ladles with an overhead crane.

[0004] The technical solution of this utility model is: a mobile high-temperature molten metal continuous casting device, including a track, a mobile vehicle body and a support platform, the mobile vehicle body travels on the track, and rotating brackets are provided at both ends of the mobile vehicle body.

[0005] A ladle of molten iron is provided on the support platform; a front fixed frame is provided on the front side of the support platform, which is rotatably connected to the rotating bracket, and a tilting cylinder is rotatably connected to the front fixed frame, with the other end of the tilting cylinder rotatably connected to the support platform.

[0006] The support platform is equipped with a rear tilting frame, on which a first connecting rod is rotatably connected. The end of the first connecting rod is rotatably connected to a second connecting rod, which is rotatably connected to the moving vehicle body. A support cylinder is rotatably connected to the second connecting rod, and the other end of the support cylinder (9-6) is rotatably connected to the moving vehicle body.

[0007] As a further improvement of this utility model, the mobile vehicle body is equipped with a hydraulic oil tank, which is connected to a hydraulic oil pump. The hydraulic oil pump is connected to a hydraulic control element through a hydraulic hose, and the hydraulic control element is connected to the tilting cylinder and the supporting cylinder through hydraulic oil pipes. The mobile vehicle body is equipped with a power supply, which is connected to a power supply unit through a control unit. The power supply unit is connected to the hydraulic control element and the hydraulic oil pump.

[0008] As a further improvement of this utility model, the rotating bracket is provided with a flip shaft support, the flip shaft support is provided with a flip shaft positioning sleeve, and a self-lubricating bushing and a flip shaft are sequentially fitted inside the flip shaft positioning sleeve. The front fixing bracket is installed on the rotating bracket through the flip shaft.

[0009] As a further improvement of this utility model, fixed supports are provided on both sides of the mobile vehicle body, and ground anchors are provided on both sides of the track. The ground anchors can be detachably attached to the fixed supports.

[0010] The beneficial effects of this utility model are as follows: This utility model combines mechanical structure and hydraulic system to form a movable hydraulic ladle tilting device with advantages such as compact structure, reliable operation, long service life, convenient maintenance, and high temperature resistance. It replaces the existing casting crane, eliminating the safety hazards of the crane lifting method for casting molten iron, and ensuring the safety of the high-temperature ferroalloy (≥1300℃) casting process. This utility model controls the tilting angle of the ladle nozzle through a reasonably designed, continuously controllable hydraulic mechanism, thereby controlling the casting speed and flow rate of the high-temperature molten metal, achieving the goal of controllable, constant-speed, and quantitative casting of high-temperature molten metal. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0012] Figure 2 This is a top view of the structure of this utility model;

[0013] Figure 3 This is a schematic diagram of the left-side structure of this utility model.

[0014] In the diagram: 1 is the track; 2 is the driving wheel assembly; 2-1 is the drive motor; 2-2 is the reducer; 2-3 is the gear set; 2-4 is the drive shaft; 2-5 is the driving wheel; 3 is the moving car body; 3-1 is the wheel frame; 3-3 is the rotating support; 3-6 is the fixed support; 4 is the support platform; 4-1 is the front fixed frame; 4-2 is the rear tilting frame; 6 is the molten iron ladle; 7 is the driven wheel assembly; 7-1 is the driven shaft; 7-4 is the driven wheel; 8-1 is the power supply unit; 8-2 is the control unit; 8-3 is the power source. 9-1 is the hydraulic oil tank; 9-2 is the hydraulic control element; 9-3 is the hydraulic oil pump; 9-4 is the hydraulic oil pipe; 9-5 is the hydraulic hose; 9-6 is the support cylinder; 9-7 is the second cylinder support; 9-8 is the first connecting rod; 9-9 is the second connecting rod; 9-10 is the fourth cylinder support; 9-11 is the third cylinder support; 9-12 is the tilting cylinder; 9-13 is the first cylinder support; 11-1 is the tilting shaft support; 11-2 is the tilting shaft positioning sleeve; 11-3 is the tilting shaft; 11-5 is the self-lubricating bushing. Detailed Implementation

[0015] The present invention will now be described in detail with reference to the accompanying drawings.

[0016] like Figure 1-3As shown, a mobile high-temperature molten metal continuous casting device includes a track 1, a mobile vehicle body 3 and a support platform 4. The mobile vehicle body 3 travels on the track 1, and rotating supports 3-3 are provided at both ends of the mobile vehicle body 3.

[0017] A molten iron ladle 6 is provided on the support platform 4, with the pouring port of the molten iron ladle 6 facing the front side of the support platform 4; a front fixing frame 4-1 is provided on the front side of the support platform 4, and the front fixing frame 4-1 is rotatably connected to the rotating bracket 3-3; a first hydraulic cylinder support 9-13 is provided on the front fixing frame 4-1, and a tilting hydraulic cylinder 9-12 is rotatably connected to the first hydraulic cylinder support 9-13; a second hydraulic cylinder support 9-7 is provided on the support platform 4, and the other end of the tilting hydraulic cylinder 9-12 is rotatably connected to the second hydraulic cylinder support 9-7;

[0018] The support platform 4 is provided with a rear tilting frame 4-2. A first connecting rod 9-8 is rotatably connected to the rear tilting frame 4-2. A second connecting rod 9-9 is rotatably connected to the end of the first connecting rod 9-8. The end of the second connecting rod 9-9 is rotatably connected to the moving vehicle body 3. A third hydraulic cylinder support 9-11 is provided on the second connecting rod 9-9. A support hydraulic cylinder 9-6 is rotatably connected to the third hydraulic cylinder support 9-11. A fourth hydraulic cylinder support 9-10 is provided on the moving vehicle body 3. The other end of the support hydraulic cylinder 9-6 is rotatably connected to the fourth hydraulic cylinder support 9-10.

[0019] The mobile vehicle body 3 is equipped with a hydraulic oil tank 9-1, which is connected to a hydraulic oil pump 9-3. The hydraulic oil pump 9-3 is connected to a hydraulic control element 9-2 via a hydraulic hose 9-5. The hydraulic control element 9-2 is connected to a tilting cylinder 9-12 and a support cylinder 9-6 via hydraulic oil pipes 9-4. The mobile vehicle body 3 is equipped with an external power supply 8-3, which is connected to a power supply unit 8-1 via a control unit 8-2. The power supply unit 8-1 is connected to the hydraulic control element 9-2 and the hydraulic oil pump 9-3.

[0020] The rotating bracket 3-3 is provided with a flip shaft support 11-1, and the flip shaft support 11-1 is provided with a flip shaft positioning sleeve 11-2. The flip shaft positioning sleeve 11-2 is fitted with a self-lubricating bushing 11-5 and a flip shaft 11-3 in sequence. The front fixed bracket 4-1 is installed on the rotating bracket 3-3 through the flip shaft 11-3.

[0021] Fixed supports 3-6 are provided on both sides of the mobile vehicle body 3, and ground anchors are provided at the pouring points on both sides of the track 1. The ground anchors can be detachably attached to the fixed supports 3-6.

[0022] Track 1 can use standard steel rails.

[0023] The mobile vehicle body 3 has wheel frames 3-1 at both ends, and each wheel frame 3-1 has a driving wheel assembly 2 and a driven wheel assembly 7. The driving wheel assembly 2 includes a drive motor 2-1, a reducer 2-2, a driving wheel 2-5, and a drive shaft 2-4. The driving wheel 2-5 is mounted on the wheel frame 3-1 via the drive shaft 2-4. The drive motor 2-1 is connected to the reducer 2-2, and the output end of the reducer 2-2 is connected to the drive shaft 2-4 via a meshing gear set 2-3. Both the drive motor 2-1 and the reducer 2-2 are connected to the power supply unit 8-1. The driven wheel assembly 7 includes a driven wheel 7-4 and a driven shaft 7-1. The driven wheel 7-4 is mounted on the wheel frame 3-1 via the driven shaft 7-1. Both the driving wheel 2-5 and the driven wheel 7-4 are mounted on the track 1.

[0024] Control unit 8-2 controls power supply unit 8-1 to supply power to drive motor 2-1 and reducer 2-2, thereby driving the moving car body 3 to move on track 1. When it reaches the pouring point, it stops and the ground anchors on both sides of track 1 are attached to fixed supports 3-6 to fix the moving car body 3 and prevent it from tipping over. Control unit 8-2 starts hydraulic oil pump 9-3, and then controls hydraulic control element 9-2 to send hydraulic oil through hydraulic hose 9-5 and hydraulic oil pipe 9-4 to tilting cylinder 9-12 and support cylinder 9-6. Tilting cylinder 9-12 and support cylinder 9-6 extend, thereby driving support platform 4 and molten iron ladle 6 to rotate around tilting shaft 11-3 at a certain angle, thereby performing constant speed and quantity pouring operation.

[0025] This invention improves the original overhead crane lifting method of molten iron ladle to a ground operation method, reducing the safety risks during the operation. Furthermore, by adjusting the tilting angle of the molten iron ladle's six nozzles through a hydraulic mechanism, it can better control the casting flow rate and velocity of the high-temperature molten metal, achieving the purpose of constant-speed and quantitative casting and reducing waste caused by unstable casting speed and flow.

[0026] This utility model sets the molten iron ladle 6 on the mobile vehicle body 3, which can meet the production needs of multiple casting points without using other equipment.

[0027] A dust collection system can be installed at the pouring point to solve the dust pollution problem generated during pouring.

[0028] This utility model achieves continuous, stable and safe casting of high-temperature molten metal through reasonable integration and optimized design of mechanical, hydraulic and electrical systems. It features a compact structure, simple operation, stability, reliability, safety and convenient maintenance.

Claims

1. A mobile high-temperature molten metal continuous casting device, characterized in that: It includes a track (1), a mobile vehicle body (3) and a support platform (4). The mobile vehicle body (3) travels on the track (1), and the two ends of the mobile vehicle body (3) are equipped with rotating brackets (3-3). A molten iron ladle (6) is provided on the support platform (4); a front fixed frame (4-1) is provided on the front side of the support platform (4), the front fixed frame (4-1) is rotatably connected to the rotating bracket (3-3), a tilting cylinder (9-12) is rotatably connected on the front fixed frame (4-1), and the other end of the tilting cylinder (9-12) is rotatably connected to the support platform (4); The support platform (4) is provided with a rear tilting frame (4-2) on the rear side. A first connecting rod (9-8) is rotatably connected to the rear tilting frame (4-2). A second connecting rod (9-9) is rotatably connected to the end of the first connecting rod (9-8). The end of the second connecting rod (9-9) is rotatably connected to the moving vehicle body (3). A support cylinder (9-6) is rotatably connected to the second connecting rod (9-9). The other end of the support cylinder (9-6) is rotatably connected to the moving vehicle body (3).

2. The mobile high-temperature molten metal continuous casting device according to claim 1, characterized in that: The mobile vehicle body (3) is equipped with a hydraulic oil tank (9-1), which is connected to a hydraulic oil pump (9-3). The hydraulic oil pump (9-3) is connected to a hydraulic control element (9-2) through a hydraulic hose (9-5). The hydraulic control element (9-2) is connected to a tilting cylinder (9-12) and a support cylinder (9-6) through a hydraulic oil pipe (9-4). The mobile vehicle body (3) is equipped with a power supply (8-3), which is connected to a power supply unit (8-1) through a control unit (8-2). The power supply unit (8-1) is connected to the hydraulic control element (9-2) and the hydraulic oil pump (9-3) respectively.

3. A mobile high-temperature molten metal continuous casting device according to claim 1 or 2, characterized in that: The rotating bracket (3-3) is provided with a flip shaft support (11-1), and the flip shaft support (11-1) is provided with a flip shaft positioning sleeve (11-2). The flip shaft positioning sleeve (11-2) is provided with a self-lubricating bushing (11-5) and a flip shaft (11-3) in sequence. The front fixing bracket (4-1) is installed on the rotating bracket (3-3) through the flip shaft (11-3).

4. A mobile high-temperature molten metal continuous casting device according to claim 3, characterized in that: The mobile vehicle body (3) is provided with fixed supports (3-6) on both sides, and the track (1) is provided with ground anchors on both sides. The ground anchors can be detachably attached to the fixed supports (3-6).