Steel ladle pre-crusher

By designing a pre-cruncher of ladles including crushing boxes, crushing rollers, gears and motors, the automatic improvement and crushing of scrap steel is achieved, solving the problems of large land and high transportation costs of existing equipment, and achieving the effect of small equipment, easy use and reduced transportation costs.

CN222805244UActive Publication Date: 2025-04-29WEIHAI RUIXIANG CASTING MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421450040.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-29
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The existing ladle pre-crunchers have large lifting machinery, covering a wide area, which is inconvenient to use, and cannot effectively improve scrap steel, resulting in high transportation costs.

Method used

A pre-crumbing machine with a crushing box, crushing roller, gear and motor is designed. The third motor drives the coiling roller to rotate, and the steel cable is placed on the rope and hooked to connect the scrap steel, and the hydraulic telescopic rod and threaded rod are used to achieve automatic lifting and crushing of scrap steel.

Benefits of technology

It realizes automatic improvement and crushing of scrap steel, small equipment size and small area, which is easy to carry and reduces the transportation cost of scrap steel treatment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222805244U_ABST
    Figure CN222805244U_ABST
Patent Text Reader

Abstract

The utility model discloses a steel ladle pre-crusher which comprises a crushing box, crushing rollers are movably connected to the left side and the right side of an inner cavity of the crushing box through bearings, a driving gear is fixedly connected to the front end of the crushing roller on the left side, a driven gear is fixedly connected to the front end of the crushing roller on the right side, and the driven gear is meshed with the driving gear. A first motor is fixedly connected to the surface of the driving gear, a fixing seat is fixedly connected to the bottom of the first motor, the front end of the fixing seat is fixedly connected to the surface of a crushing box, a support is fixedly connected to the top of the crushing box, and a top plate is fixedly connected to the top of the support; limiting grooves are formed in the front end and the rear end of the top of the top plate correspondingly, and inner cavities of the limiting grooves are slidably connected with limiting blocks. By the adoption of the equipment, automatic steel scrap lifting work can be achieved, the equipment is small in size, small in occupied area and convenient to carry, and great convenience is brought to steel scrap treatment work.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of scrap steel processing, in particular to a ladle pre-crusher. Background Art

[0002] A large amount of scrap steel is generated during the steel processing and manufacturing process. In order to save resources, the discarded steel is directly returned to the furnace. However, the discarded steel occupies a lot of space during transportation. In order to avoid the steel occupying a large area during transportation, which increases the transportation cost, the scrap steel is pressed into ladles before transportation. The converters and electric furnaces used by steel companies have higher requirements for the scrap steel entering the furnace. The ladles cannot be directly placed into the converters and electric furnaces, and the ladles need to be crushed. The existing crushing mechanism cannot directly crush the ladles, so a ladle pre-crusher is needed to pre-crush the ladles. At present, the scrap steel on the market is generally lifted to the inside of the pre-crusher by lifting machinery, but the traditional lifting machinery is large in size and occupies a large area, which is not convenient for use. Therefore, it is necessary to design a ladle pre-crusher that is easy to lift scrap steel. Utility Model Content

[0003] The utility model aims to provide a ladle pre-crusher, which has the advantage of being easy to use and solves the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ladle pre-crusher, comprising a crushing box, wherein the inner cavity of the crushing box is movably connected to crushing rollers on both sides through bearings, the front end of the left crushing roller is fixedly connected to a driving gear, and the front end of the right crushing roller is fixedly connected to a driven gear, the driven gear is meshed with the driving gear, the surface of the driving gear is fixedly connected to a first motor, the bottom of the first motor is fixedly connected to a fixed seat, the front end of the fixed seat is fixedly connected to the surface of the crushing box, the top of the crushing box is fixedly connected to a bracket, the top of the bracket is fixedly connected to a top plate, the front and rear ends of the top of the top plate are provided with limiting grooves, and the inner cavity of the limiting groove is slidably connected to a limiting block The top of the limit block is fixedly connected to a protection box, and a sliding rod is slidably connected to the inner cavity of the limit block at the front end, one end of the sliding rod is fixedly connected to the top of the top plate through a fixing plate, and the inner cavity of the limit block at the rear end is threadedly connected to a threaded rod, the left end of the threaded rod is fixedly connected to a second motor, one side of the inner cavity of the protection box is fixedly connected to a third motor, the output shaft of the third motor is fixedly connected to a winding roller, the other end of the winding roller is movably connected to the inner wall of the protection box through a bearing, a steel cable is wrapped around the surface of the winding roller, and a moving groove is opened at the top of the top plate and between the two limit grooves, the bottom of the steel cable penetrates the protection box and passes through the inner cavity of the moving groove, and the bottom of the steel cable is fixedly connected to a hook.

[0005] Preferably, the four corners of the bottom of the crushing box are fixedly connected with supporting legs, and the bottoms of the supporting legs are provided with anti-slip grooves.

[0006] Preferably, guide plates are fixedly connected to both sides of the bottom of the inner cavity of the crushing box, and a discharge port is provided at the bottom of the crushing box.

[0007] Preferably, pulleys are fixedly connected to the four corners of the bottom of the protection box, and the bottom of the pulley is in contact with the top of the top plate.

[0008] Preferably, both ends of the winding roller are designed in a gear shape, and a card plate is clamped on the top, and hydraulic telescopic rods are fixedly connected to both sides of the top of the card plate, and the top of the hydraulic telescopic rod is fixedly connected to the top of the inner cavity of the protection box.

[0009] Preferably, a controller is fixedly connected to the surface of the crushing box, and the controller is electrically connected to the electrical equipment through a wire.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model drives the winding roller to rotate through the third motor, and the winding roller releases the steel cable, and then connects the hanging nose on the surface of the scrap steel through the hook, and then drives the winding roller to rotate through the third motor to perform the winding work, so that the scrap steel can be lifted, and then the clamping plate is driven downward by the hydraulic telescopic rod to clamp and limit the winding roller, and then the threaded rod is driven to rotate by the second motor, and the threaded rod drives the protection box to move through the limit block, and the protection box drives the scrap steel into the inner cavity of the crushing box through the steel cable, and then the hook is removed, and then the first motor is started, the first motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driving gear and the driven gear drive the crushing roller to rotate to crush the scrap steel. By adopting this equipment, the scrap steel lifting work can be realized automatically, and the equipment is small in size, occupies a small area, is easy to carry, and brings great convenience to the processing of scrap steel.

[0012] 2. The utility model can ensure the stability of the equipment by arranging the supporting legs, can facilitate the diversion of the crushed waste by arranging the guide plate, can realize the discharging work by arranging the discharging port, can facilitate the movement of the protection box by arranging the pulley, and can limit the winding roller by arranging the clamping plate and the hydraulic telescopic rod to prevent the winding roller from reversing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a bottom view schematic diagram of the structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal connection structure of the protection box of the utility model.

[0016] In the figure: 1. crushing box; 2. crushing roller; 3. driving gear; 4. driven gear; 5. first motor; 6. fixed seat; 7. bracket; 8. top plate; 9. limit groove; 10. limit block; 11. protection box; 12. slide rod; 13. threaded rod; 14. second motor; 15. third motor; 16. winding roller; 17. steel cable; 18. moving groove; 19. outrigger; 20. discharge port; 21. clamping plate; 22. hydraulic telescopic rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0019] See also Figure 1-3A ladle pre-crusher comprises a crushing box 1, the left and right sides of the inner cavity of the crushing box 1 are movably connected with crushing rollers 2 through bearings, the front end of the left crushing roller 2 is fixedly connected with a driving gear 3, the front end of the right crushing roller 2 is fixedly connected with a driven gear 4, the driven gear 4 is meshed with the driving gear 3, the surface of the driving gear 3 is fixedly connected with a first motor 5, the bottom of the first motor 5 is fixedly connected with a fixing seat 6, the front end of the fixing seat 6 is fixedly connected with the surface of the crushing box 1, the top of the crushing box 1 is fixedly connected with a bracket 7, the top of the bracket 7 is fixedly connected with a top plate 8, the front and rear ends of the top of the top plate 8 are provided with limiting grooves 9, the inner cavity of the limiting groove 9 is slidably connected with a limiting block 10, the top of the limiting block 10 is fixedly connected with a protective box 11, the inner cavity of the limiting block 10 at the front end is slidably connected with a sliding rod 12, one end of the sliding rod 12 is connected by The fixed plate is fixedly connected to the top of the top plate 8, and the inner cavity of the limit block 10 at the rear end is threadedly connected to a threaded rod 13, and the left end of the threaded rod 13 is fixedly connected to a second motor 14. A third motor 15 is fixedly connected to one side of the inner cavity of the protection box 11, and the output shaft of the third motor 15 is fixedly connected to a winding roller 16. The other end of the winding roller 16 is movably connected to the inner wall of the protection box 11 through a bearing, and a steel cable 17 is wound around the surface of the winding roller 16. A movable groove 18 is provided at the top of the top plate 8 and between the two limit grooves 9. The bottom of the steel cable 17 penetrates the protection box 11 and passes through the inner cavity of the movable groove 18. The bottom of the steel cable 17 is fixedly connected to a hook. By adopting this equipment, automated scrap lifting can be achieved, and the equipment is small in size, occupies a small area, is easy to carry, and brings great convenience to the processing of scrap steel.

[0020] The four corners of the bottom of the crushing box 1 are fixedly connected with supporting legs 19, and the bottom of the supporting legs 19 is provided with anti-slip grooves. By providing the supporting legs 19, the stability of the device can be guaranteed.

[0021] Guide plates are fixedly connected to both sides of the bottom of the inner cavity of the crushing box 1. A discharge port 20 is opened at the bottom of the crushing box 1. By setting the guide plates, it is convenient to guide the crushed waste, and by setting the discharge port 20, the discharge work can be realized.

[0022] The four corners of the bottom of the protection box 11 are fixedly connected with pulleys, and the bottom of the pulley is in contact with the top of the top plate 8. By providing the pulleys, the movement of the protection box 11 can be facilitated.

[0023] Both ends of the winding roller 16 are designed in a gear shape, and a clamping plate 21 is clamped on the top. Both sides of the top of the clamping plate 21 are fixedly connected with hydraulic telescopic rods 22. The top of the hydraulic telescopic rod 22 is fixedly connected to the top of the inner cavity of the protection box 11. By setting the clamping plate 21 and the hydraulic telescopic rod 22, the winding roller 16 can be limited to prevent the winding roller 16 from reversing.

[0024] A controller is fixedly connected to the surface of the crushing box 1, and the controller is electrically connected to the electrical device through a wire.

[0025] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field, which belongs to the common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and circuit connection in detail.

[0026] When in use, the third motor 15 drives the winding roller 16 to rotate, the winding roller 16 releases the steel cable 17, and then connects the hanging nose on the surface of the scrap steel through the hook, and then the third motor 15 drives the winding roller 16 to rotate for winding, so that the scrap steel can be lifted, and then the hydraulic telescopic rod 22 drives the clamping plate 21 to move downward to clamp and limit the winding roller 16, and then the second motor 14 drives the threaded rod 13 to rotate, the threaded rod 13 drives the protection box 11 to move through the limit block 10, and the protection box 11 drives the scrap steel into the inner cavity of the crushing box 1 through the steel cable 17, and then the hook is removed, and then the first motor 5 is started, the first motor 5 drives the driving gear 3 to rotate, the driving gear 3 drives the driven gear 4 to rotate, and the driving gear 3 and the driven gear 4 drive the crushing roller 2 to rotate to crush the scrap steel.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ladle pre-crusher, comprising a crushing box (1), characterized in that: The left and right sides of the inner cavity of the crushing box (1) are movably connected to crushing rollers (2) via bearings; the front end of the left crushing roller (2) is fixedly connected to a driving gear (3); the front end of the right crushing roller (2) is fixedly connected to a driven gear (4); the driven gear (4) meshes with the driving gear (3); the surface of the driving gear (3) is fixedly connected to a first motor (5); the bottom of the first motor (5) is fixedly connected to a fixing seat (6); the front end of the fixing seat (6) is fixedly connected to the surface of the crushing box (1); the top of the crushing box (1) is fixedly connected to a bracket (7); the top of the bracket (7) is fixedly connected to a top plate (8); the front and rear ends of the top of the top plate (8) are provided with limiting grooves (9); the inner cavity of the limiting groove (9) is slidably connected to a limiting block (10); the top of the limiting block (10) is fixedly connected to a protective box (11); the limiting block (11) at the front end is fixedly connected to the fixing seat (6); The inner cavity of the block (10) is slidably connected to a sliding rod (12), one end of the sliding rod (12) is fixedly connected to the top of the top plate (8) through a fixing plate, the inner cavity of the limit block (10) at the rear end is threadedly connected to a threaded rod (13), the left end of the threaded rod (13) is fixedly connected to a second motor (14), one side of the inner cavity of the protection box (11) is fixedly connected to a third motor (15), the output shaft of the third motor (15) is fixedly connected to a winding roller (16), the other end of the winding roller (16) is movably connected to the inner wall of the protection box (11) through a bearing, a steel cable (17) is wound around the surface of the winding roller (16), a movable groove (18) is provided at the top of the top plate (8) and between the two limit grooves (9), the bottom of the steel cable (17) penetrates the protection box (11) and passes through the inner cavity of the movable groove (18), and the bottom of the steel cable (17) is fixedly connected to a hook.

2. A ladle pre-crusher according to claim 1, characterized in that: The four corners of the bottom of the crushing box (1) are fixedly connected to supporting legs (19), and the bottoms of the supporting legs (19) are provided with anti-slip grooves.

3. The ladle pre-crusher according to claim 1, characterized in that: Guide plates are fixedly connected to both sides of the bottom of the inner cavity of the crushing box (1), and a discharge port (20) is provided at the bottom of the crushing box (1).

4. The ladle pre-crusher according to claim 1, characterized in that: The four corners of the bottom of the protection box (11) are fixedly connected to pulleys, and the bottom of the pulley is in contact with the top of the top plate (8).

5. The ladle pre-crusher according to claim 1, characterized in that: Both ends of the winding roller (16) are designed in a gear shape, and a clamping plate (21) is clamped on the top thereof, and both sides of the top of the clamping plate (21) are fixedly connected to hydraulic telescopic rods (22), and the top of the hydraulic telescopic rod (22) is fixedly connected to the top of the inner cavity of the protection box (11).

6. The ladle pre-crusher according to claim 1, characterized in that: A controller is fixedly connected to the surface of the crushing box (1), and the controller is electrically connected to the electrical equipment via a wire.