Auxiliary masonry lifting device for steel ladle

Abstract

The utility model steel ladle field especially points to a kind of steel ladle auxiliary masonry lifting device, including ladle, lifting mechanism and hoisting mechanism, the hoisting mechanism is arranged in the cylindrical opening of ladle, the lifting mechanism includes lift frame, the lower end of two arm frames of lift frame is rotatably connected with fixed wheel and steering pulley above the opening of ladle, the upper end of lift frame is rotatably connected with driving shaft, the front and rear end of driving shaft is fixedly connected with winding wheel, the outer end of winding wheel is sleeved with sling, the hoisting mechanism includes basket bottom plate, the upper end surface both sides of basket bottom plate are fixedly connected with side guardrail. The utility model, by adopting motor as working power, the direction of force is changed by multiple pulley groups, hoisting mechanism is lifted, to realize the up and down movement of operator, compared with ladder type operation is more convenient and safe, with practicality.

Description

Technical Field

[0001] This utility model relates to the field of molten steel tanks, and in particular to an auxiliary lifting device for molten steel tank construction. Background Technology

[0002] Molten steel ladles are a common type of high-temperature molten steel transfer equipment used in steel plants. They primarily transport molten steel from the steelmaking furnace to the casting machine, serving as a transfer device in the steelmaking process. As the main carrier for molten steel, the ladle's lining is subject to corrosion from the high temperature of the molten steel and requires frequent replacement. The working lining of the ladle is composed of refractory material. Currently, the replacement of the refractory material in ladles is done manually by dismantling and reassembling the lining. Ladles have a barrel-shaped structure, typically over four meters high, and sometimes even reaching six meters. Therefore, tools are required for personnel to enter and work within the molten steel ladle.

[0003] In existing technologies, the commonly used tool is a ladder-type entry and exit, but due to the large depth of the steel ladle, it is not only troublesome to go up and down, but also generally unsafe. Therefore, we propose a steel ladle auxiliary masonry lifting device. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a steel ladle auxiliary masonry lifting device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a steel ladle auxiliary construction lifting device, comprising a steel ladle, a lifting mechanism, and a hoisting mechanism. The hoisting mechanism is disposed within the cylindrical opening of the steel ladle. The lifting mechanism is located on a lifting frame at the top of the steel ladle. The lower ends of the two booms of the lifting frame above the opening of the steel ladle are rotatably connected to fixed wheels and steering pulleys. The upper end of the lifting frame is rotatably connected to a drive shaft. The front and rear ends of the drive shaft are fixedly connected to winding wheels. The outer ends of the winding wheels are fitted with lifting ropes. The hoisting mechanism includes a basket base plate. Side guardrails are fixedly connected to both sides of the upper surface of the basket base plate. A fixed rod is rotatably connected to the upper end of the side guardrail. A movable pulley is rotatably connected to the outer wall of the fixed rod. Two sets of lifting ropes pass through the upper surface of the steering pulley and the lower surface of the movable pulley, respectively, and are fixedly connected to the fixed wheels. A single door is rotatably connected to one side of the side guardrail, and a double door is rotatably connected to the other side of the side guardrail.

[0006] As a further description of the above technical solution: Guide openings are provided on both booms of the lifting frame, and the lifting rope passes through these guide openings, with the end of the rope away from the fixed wheel fixedly connected to the outer wall of the winding wheel. Through this technical solution and lifting method, the load on the motor can be effectively reduced.

[0007] As a further description of the above technical solution: an electric motor is fixedly connected to the upper end of the lifting frame, a drive gear is fixedly connected to the output end of the electric motor, and a driven gear is fixedly connected to the outer wall of the drive shaft. The driven gear meshes with the drive gear. Through the above technical solution, the electric motor drives the drive gear to rotate, which in turn drives the driven gear to rotate, which in turn drives the drive shaft to rotate, thereby controlling the rotation of the winding reel and realizing the winding and unwinding of the hoisting rope.

[0008] As a further description of the above technical solution: the steering pulley, winding pulley, and movable pulley are all made of I-beams, and the steering pulley is located on the side of the fixed pulley away from the winding pulley. Through this technical solution, the I-beam structure can effectively prevent the hoisting rope from slipping off the pulley during operation.

[0009] As a further description of the above technical solution: A short pin and a long pin are slidably fitted onto the upper ends of the two door panels of the double door, respectively. A connecting plate is fixedly connected to the upper end of both the short pin and the long pin, and a handle is fixedly connected to the upper end of the connecting plate. Through this technical solution, the length of the short pin is less than the length of the long pin. When the connecting plate is pulled up by the handle, causing the two pins to rise, the short pin will disengage from the door panel first.

[0010] As a further description of the above technical solution: a spring is fixedly connected between the connecting plate and one of the door panels of the double door, and the spring is movably sleeved on the outer end of the long pin. Through the above technical solution, the spring structure allows the short pin and the connecting plate to be stably engaged within the two door panels.

[0011] As a further description of the above technical solution: a lock plate is fixedly connected to the outer wall of the single door, and a sleeve plate is fixedly connected to the outer wall of the side railing. A lock rod is movably sleeved on the sleeve plate, and the lower end of the lock rod is movably sleeved on the lock plate. Through the above technical solution, the opposite side railing of the single door can be fixed by using the lock rod passing through the lock plate and the sleeve plate.

[0012] This utility model has the following beneficial effects:

[0013] 1. Compared with the prior art, this utility model uses an electric motor as the working power and multiple pulley blocks to change the direction of force to lift the hoisting mechanism, thereby realizing the up and down movement of the workers, which is more convenient and safer than ladder-type operation.

[0014] 2. Compared with the prior art, this utility model provides an inward-opening double door and an outward-opening single door at the front and rear ends of the hoisting mechanism, which facilitates the entry and exit of operators after the hoisting mechanism reaches the position. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of one side of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the other side of the structure of this utility model;

[0017] Figure 3 for Figure 1 Enlarged view of the structure at point A in the middle;

[0018] Figure 4 This is a diagram showing the lifting structure of the hoisting mechanism of this utility model;

[0019] Figure 5 for Figure 4 Enlarged view of the structure at point B in the middle;

[0020] Figure 6 for Figure 4 Enlarged view of the structure at point C.

[0021] Legend:

[0022] 1. Steel ladle; 2. Lifting mechanism; 21. Lifting frame; 22. Fixed wheel; 23. Steering pulley; 24. Drive shaft; 25. Winding wheel; 26. Lifting rope; 27. Guide opening; 28. Driven gear; 29. ​​Driven gear; 210. Electric motor; 3. Lifting mechanism; 31. Basket bottom plate; 32. Side guardrail; 33. Single door; 34. Double door; 35. Fixed rod; 36. Moving pulley; 37. Short pin; 38. Connecting plate; 39. Long pin; 310. Spring; 311. Locking plate; 312. Sleeve plate; 313. Locking rod. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments. Figures 1 to 5 All accompanying drawings are simplified versions of embodiments and are intended solely for the purpose of clearly and concisely illustrating the embodiments of this utility model. The technical solutions shown in the drawings below are specific solutions of embodiments of this utility model and are not intended to limit the scope of the claimed utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use, or the orientation or positional relationship that is commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Reference Figure 1-6 An embodiment of a steel ladle auxiliary construction lifting device includes a steel ladle 1, a lifting mechanism 2, and a hoisting mechanism 3. The hoisting mechanism 3 is disposed within the cylindrical opening of the steel ladle 1. The lifting mechanism 2 includes a lifting frame 21 located at the top of the steel ladle 1. The lower ends of the two booms of the lifting frame 21 above the opening of the steel ladle 1 are rotatably connected to fixed wheels 22 and steering pulleys 23. The upper end of the lifting frame 21 is rotatably connected to a drive shaft 24. Both the front and rear ends of the drive shaft 24 are fixedly connected to winding wheels 25. The outer end is fitted with a hoisting rope 26. The hoisting mechanism 3 includes a basket base plate 31. Side guardrails 32 are fixedly connected to both sides of the upper end face of the basket base plate 31. A fixed rod 35 is rotatably connected to the upper end of the side guardrail 32. A movable pulley 36 is rotatably connected to the outer wall of the fixed rod 35. The hoisting rope 26 passes through the upper surface of the steering pulley 23 and the lower surface of the movable pulley 36 and is fixedly connected to the fixed wheel 22. A single door 33 is rotatably connected to one side of the side guardrail 32, and a double door 34 is rotatably connected to the other side of the side guardrail 32.

[0026] In the embodiments, such as Figure 3 As shown, guide openings 27 are provided on both booms of the lifting frame 21. The lifting rope 26 passes through the guide openings 27, and the end of the lifting rope 26 away from the fixed wheel 22 is fixedly connected to the outer wall of the winding wheel 25. This lifting method can effectively reduce the load on the motor 210. The upper end of the lifting frame 21 is fixedly connected to the motor 210, and the output end of the motor 210 is fixedly connected to the drive gear 29. The outer wall of the drive shaft 24 is fixedly connected to the driven gear 28. The driven gear 28 and the drive gear 29 mesh. The motor 210 drives the drive gear 29 to rotate, which in turn drives the driven gear 28 to rotate, which in turn drives the drive shaft 24 to rotate, thereby controlling the rotation of the winding wheel 25 and realizing the raising and lowering of the lifting rope 26. The steering pulley 23, the winding wheel 25, and the moving pulley 36 are all made of I-beams. The steering pulley 23 is located on the side of the fixed wheel 22 away from the winding wheel 25. The I-beam structure can effectively prevent the lifting rope 26 from coming off the wheel during operation.

[0027] In the embodiments, such as Figure 3 and Figure 4As shown, the upper ends of the two door panels of the double door 34 are respectively slidably fitted with a short pin 37 and a long pin 39. A connecting plate 38 is fixedly connected to the upper end of both the short pin 37 and the long pin 39, and a handle is fixedly connected to the upper end of the connecting plate 38. The length of the short pin 37 is less than the length of the long pin 39. When the connecting plate 38 is pulled up by the handle, causing the two pins to rise, the short pin 37 will disengage from the door panel first. A spring 310 is fixedly connected between the connecting plate 38 and one of the door panels of the double door 34. The spring 310 is movably fitted onto the outer end of the long pin 39. The spring 310 structure allows the short pin 37 and the connecting plate 38 to be stably engaged within the two door panels. A lock plate 311 is fixedly connected to the outer wall of the single door 33, and a sleeve plate 312 is fixedly connected to the outer wall of the side railing 32. A lock rod 313 is movably sleeved on the sleeve plate 312. The lower end of the lock rod 313 is movably sleeved on the lock plate 311. The lock rod 313 can be used to fix the single door 33 to the opposite side railing 32 by passing through the lock plate 311 and the sleeve plate 312.

[0028] The working principle of this utility model is as follows: After the motor 210 starts, it drives the drive gear 29 to rotate. The drive gear 29 meshes with the driven gear 28 on the drive shaft 24, thereby driving the drive shaft 24 to rotate. The winding wheels 25 at the front and rear ends of the drive shaft 24 rotate synchronously to realize the winding and unwinding of the hoisting rope 26. The hoisting rope 26 passes through the guide opening 27, changes direction by passing through the steering pulley 23 in sequence, passes around the lower end of the moving pulley 36, and is finally fixed on the fixed wheel 22. The load on the motor 210 is reduced by the force transmission of the pulley group, realizing the lifting and lowering of the hoisting mechanism 3. When the hoisting mechanism 3 is erected, it is close to the inner wall of the steel ladle 1 to avoid lifting. During the descent, if significant shaking occurs, when workers are entering or exiting the upper part of the ladle 1, they can pull the handle of the upper connecting plate 38 of the double door 34 to raise the short pin 37 and the long pin 39. The short pin 37 will disengage from the door panel first to open the double door 34. When closing, the spring 310 will drive the connecting plate 38 to reset, so that the short pin 37 and the long pin 39 will stably engage the two door panels of the double door 34. When entering or exiting the bottom of the ladle 1, the locking rod 313 inside the sleeve plate 312 of the side guardrail 32 can be pulled out to disengage from the locking plate 311 of the single door 33 and open the single door 33, ensuring the safe entry and exit of workers to complete the lining construction work of the ladle 1.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A steel ladle auxiliary lifting device for masonry, comprising a steel ladle (1), a lifting mechanism (2), and a hoisting mechanism (3), characterized in that: The hoisting mechanism (3) is set inside the cylindrical opening of the ladle (1). The lifting mechanism (2) includes a lifting frame (21) located at the top of the ladle (1). The lower ends of the two booms of the lifting frame (21) are rotatably connected to fixed wheels (22) and steering pulleys (23). The upper end of the lifting frame (21) is rotatably connected to a drive shaft (24). The front and rear ends of the drive shaft (24) are fixedly connected to winding wheels (25). The outer end of the winding wheels (25) is fitted with a hoisting rope (26). The hoisting mechanism (3) includes a basket bottom plate (3). 1) Side railings (32) are fixedly connected to both sides of the upper end of the bottom plate (31) of the suspended basket. A fixed rod (35) is rotatably connected to the upper end of the side railing (32). A movable pulley (36) is rotatably connected to the outer wall of the fixed rod (35). Two sets of suspension ropes (26) pass through the upper surface of the steering pulley (23) and the lower surface of the movable pulley (36) respectively and are fixedly connected to the fixed wheel (22). A single door (33) is rotatably connected to one side of the side railing (32), and a double door (34) is rotatably connected to the other side of the side railing (32).

2. The steel ladle auxiliary masonry lifting device according to claim 1, characterized in that: Guide openings (27) are provided on both booms of the lifting frame (21). The hoisting rope (26) is set through the guide openings (27), and the end of the hoisting rope (26) away from the fixed wheel (22) is fixedly connected to the outer wall of the winding wheel (25).

3. The steel ladle auxiliary masonry lifting device according to claim 1, characterized in that: The upper end of the lifting frame (21) is fixedly connected to a motor (210), the output end of the motor (210) is fixedly connected to a drive gear (29), and the outer wall of the drive shaft (24) is fixedly connected to a driven gear (28), which meshes with the drive gear (29).

4. The steel ladle auxiliary masonry lifting device according to claim 1, characterized in that: The steering pulley (23), winding pulley (25) and movable pulley (36) are all made of I-beams. The steering pulley (23) is located on the side of the fixed pulley (22) away from the winding pulley (25).

5. The steel ladle auxiliary masonry lifting device according to claim 1, characterized in that: The upper ends of the two door panels of the double door (34) are respectively slidably fitted with short pins (37) and long pins (39). The upper ends of the short pins (37) and long pins (39) are fixedly connected to connecting plates (38), and the upper ends of connecting plates (38) are fixedly connected to handles.

6. The steel ladle auxiliary masonry lifting device according to claim 5, characterized in that: A spring (310) is fixedly connected between the connecting plate (38) and one of the door panels of the double door (34), and the spring (310) is movably sleeved on the outer end of the long pin (39).

7. The steel ladle auxiliary masonry lifting device according to claim 1, characterized in that: A lock plate (311) is fixedly connected to the outer wall of the single door (33), and a sleeve plate (312) is fixedly connected to the outer wall of the side railing (32). A lock rod (313) is movably sleeved on the sleeve plate (312), and the lower end of the lock rod (313) is movably sleeved on the lock plate (311).

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