Single-lifting-point metallurgical steel ladle capping machine
By designing a single-point metallurgical ladle capping machine, which adopts a gantry-type single-point capping design and a simple capping structure, the design solves the problems of inconvenient operation and equipment complexity in existing ladle capping machines when slag adheres to the ladle opening. This achieves a highly efficient ladle capping and uncapping process.
Patent Information
- Application Number
- CN202520001716.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-02
AI Technical Summary
Existing ladle capping machines in steel plants are prone to failure to cap or cap falling off when there is severe slag adhesion at the ladle opening, which affects the production rhythm. In addition, the equipment is complex, requires high precision, and is inconvenient to operate.
A single-point lifting ladle capping machine for metallurgical steel was designed. It adopts a gantry-type single-point lifting structure, with the lifting point located at the center of gravity of the ladle cap. Combined with a simple lifting mechanism and a protective mechanism, it ensures the stability and flexibility of the lifting process and reduces the impact of slag adhesion at the ladle opening.
It improved the success rate of ladle capping, simplified the equipment structure, reduced costs, improved production efficiency and ease of operation, and extended the ladle turnover cycle.
Smart Images
Figure CN223606930U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steelmaking equipment technical field more specifically, relate to a single lifting point metallurgical ladle capping machine. BACKGROUND
[0002] In the converter steelmaking production system, the ladle is used as the steel container between the steelmaking process and the continuous casting process, and the heat state of the ladle in the production cycle directly affects the change of the molten steel temperature in the steel tapping and holding process. In order to improve the ladle heat turnover rate, reduce the furnace lining heat dissipation time, eliminate the low ladle lining temperature tapping, and prevent the rapid temperature drop of the molten steel, more and more steel plants use ladle capping technology to facilitate the capping and uncovering of the ladle.
[0003] At present, the structure of the ladle capping machine in the steel plant mainly includes inclined tooth type capping machine, lifting type capping machine, and overturning type capping machine, but they all have the common shortcomings: if the ladle port is seriously stuck with slag, it will be impossible to cap or even drop the cover, which seriously affects the production; in order to ensure the smooth capping of the ladle, a large amount of time is often spent on cleaning the ladle port, which seriously affects the ladle turnover cycle; the lifting points of the ladle cover are three or four, although the lifting is stable, but the equipment precision requirement is too high, once the ladle cover seat is deviated or inclined at a certain angle, it will be impossible to cap, affecting the production rhythm; the capping machine equipment is often complex.
[0004] It should be noted that the above content belongs to the technical cognition of the inventor and does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at solving the above problems, and designs a single lifting point metallurgical ladle capping machine.
[0006] The technical scheme of the utility model for realizing the above purpose is a single lifting point metallurgical ladle capping machine, which comprises a ladle cover, a hanging hook is installed on the ladle cover, an observation hole is opened on one side of the upper end of the ladle cover, a slag tapping hole is opened on one side of the upper end of the ladle cover, a lifting mechanism is arranged above the ladle cover, and a protection mechanism is arranged above the ladle cover.
[0007] The lifting mechanism comprises support frames located on both sides of the ladle cover, a capping trolley is placed on the support frames, the capping trolley and the support frames are connected through telescopic oil cylinders, a lifting frame is installed on the capping trolley, a lifting hook is installed on the lower end of the lifting frame, and the lifting hook is located below the capping trolley.
[0008] The protection mechanism comprises an intercepting rod installed at the lower end of the capping trolley, a square groove is opened at the lower end of the intercepting rod, a lifting rod is placed in the square groove, the lifting rod is located in front of the lifting hook, and when the lifting rod falls to the lowest position, the lower end of the lifting rod is located above the hanging hook.
[0009] Further, the lifting frame comprises lifting guide sleeves mounted on both sides of the capping trolley, lifting guide rods arranged in the lifting guide sleeves, a lifting platform arranged on the capping trolley, the lifting platform being connected with upper surfaces of the lifting guide rods at both sides of the lower end of the lifting platform, the lifting guide rods being connected with the lifting hooks at the lower ends of the lifting guide rods, lifting oil cylinders mounted on the upper end of the capping trolley, and the lifting oil cylinders being connected with lower surfaces of the lifting platform.
[0010] Further, the lifting hook is located at the gravity center of the ladle cover, the upper end of the lifting hook is a plane, and the lifting hook is a flat hook.
[0011] Further, L-shaped support rods are mounted at both sides of the lower end of the lifting guide rods, connection grooves are formed in the lower ends of the L-shaped support rods, extrusion rods are arranged in the connection grooves, and the upper ends of the extrusion rods are connected with the upper surfaces in the connection grooves through telescopic springs.
[0012] Further, annular intercepting plates are mounted in the lower ends of the connection grooves, limit blocks are mounted on the upper ends of the extrusion rods, and the limit blocks can be attached to the annular intercepting plates.
[0013] The lifting hook is located at the gravity center of the ladle cover, the upper end of the lifting hook is a plane, and the lifting hook is a flat hook. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structural schematic view of the single-point metallurgical ladle capping machine;
[0015] Figure 2 is Figure 1 is an enlarged view of part A in Fig.
[0016] Figure 3 is a connection relationship schematic view of the extrusion rod and the L-shaped support rod;
[0017] In the figure, 1, ladle cover; 2, hanging hook; 3, observation hole; 4, slag hole; 5, support frame; 6, capping trolley; 7, telescopic oil cylinder; 8, lifting frame; 9, hanging hook; 10, intercepting rod; 11, square groove; 12, lifting rod; 13, lifting guide sleeve; 14, lifting guide rod; 15, lifting platform; 16, lifting oil cylinder; 17, L-shaped support rod; 18, connecting groove; 19, extrusion rod; 20, telescopic spring; 21, annular intercepting plate; 22, limiting block. DETAILED DESCRIPTION
[0018] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described below in detail with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, in the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.
[0020] The present application provides a single-lifting-point metallurgical ladle capping machine as shown in Figures 1-3 The present application provides a single-lifting-point metallurgical ladle capping machine as shown in
[0021] The device covers and uncovers the ladle cover 1 as follows: normally, the ladle cover 1 is covered on the ladle through the hook 2, the material condition can be observed through the observation hole 3, the material slag can be poured out through the slag pouring hole 4, when the ladle cover 1 is taken off, the ladle is moved between the support frames 5, then the lifting frame 8 drives the lifting hook 9 to move downwards, the lifting hook 9 can be moved to the front side of the hook 2, then the telescopic oil cylinder 7 is started to extend, the telescopic oil cylinder 7 can drive the covering trolley 6 to move to one side and drive the lifting hook 9 to move to the inner side of the hook 2, then the lifting frame 8 can drive the lifting hook 9 to move upwards, thereby the ladle cover 1 can be lifted, when the ladle cover 1 is lifted, the hook 2 can be moved to one side of the lifting rod 12, the lifting rod 12 can block the hook 2, thereby the hook 2 can be prevented from falling due to accident, when the lifting hook 9 contacts the lower end of the lifting rod 12, the lifting rod 12 can be pushed upwards and shrunk into the square recess 11, the lifting hook 9 can be avoided, when covering is needed, the lifting hook 9 is put down through the lifting frame 8, then the telescopic oil cylinder 7 is started to shorten, thereby the lifting hook 9 can be conveniently taken off from the hook 2.
[0022] Referring to the drawings accompanying the specification Figure 1 The lifting frame 8 comprises lifting guide sleeves 13 installed on both sides of the covering trolley 6, the lifting guide sleeves 13 are provided with lifting guide rods 14, the covering trolley 6 is provided with a lifting table 15, the lower end of the lifting table 15 is connected with the upper surface of the lifting guide rods 14, the lower end of the lifting guide rods 14 is connected with the lifting hook 9, the upper end of the covering trolley 6 is provided with a lifting oil cylinder 16, the upper end of the lifting oil cylinder 16 is connected with the lower surface of the lifting table 15.
[0023] The lifting frame 8 drives the lifting hook 9 to move upwards and downwards as follows: the lifting oil cylinder 16 is started to extend, the lifting oil cylinder 16 can drive the lifting table 15 to move upwards, the lifting table 15 can drive the lifting hook 9 to move upwards through the lifting guide rods 14, the lifting guide sleeves 13 can ensure the moving direction of the lifting guide rods 14, the lifting oil cylinder 16 is started to shorten, the lifting oil cylinder 16 can drive the lifting table 15 to move downwards, the lifting table 15 can drive the lifting hook 9 to move downwards through the lifting guide rods 14, the lifting guide sleeves 13 can ensure the moving direction of the lifting guide rods 14.
[0024] Referring to the drawings accompanying the specification Figure 1 The hook 2 is located at the gravity center position of the ladle cover 1, the inner upper end of the hook 2 is a plane, the lifting hook 9 is a flat hook, the plane contact of the hook 2 and the lifting hook 9 can conveniently lift the hook 2 and prevent the ladle cover 1 from tilting.
[0025] Referring to the drawings accompanying the specification Figure 1 and the drawings accompanying the specification Figure 3The lower end of the lifting guide rod 14 is provided with an L-shaped support rod 17 on both sides, the lower end of the L-shaped support rod 17 is provided with a connecting groove 18, the connecting groove 18 is provided with an extrusion rod 19, the upper end of the extrusion rod 19 is connected with the upper surface in the connecting groove 18 through an elastic spring 20, when the lifting guide rod 14 moves downwards, the extrusion rod 19 can first contact the upper end of the ladle cover 1, and the extrusion rod 19 moves upwards, and the elastic spring 20 can be compressed, under the elastic force of the elastic spring 20, the ladle cover 1 can be pressed, and the inclination of the ladle cover 1 can be prevented.
[0026] The utility model is illustrated in detail with reference to the preceding embodiment, and the ordinary skilled in the art should understand that the technical scheme recorded in the preceding embodiments can be modified, or part of the technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model. Figure 3 The lower end of the connecting groove 18 is provided with an annular intercepting plate 21, the upper end of the extrusion rod 19 is provided with a limiting block 22, the limiting block 22 can be attached to the annular intercepting plate 21, the annular intercepting plate 21 and the limiting block 22 can limit the extrusion rod 19, and the extrusion rod 19 can be prevented from falling.
[0027] Although the utility model is illustrated in detail with reference to the preceding embodiment, the ordinary skilled in the art should understand that the technical scheme recorded in the preceding embodiments can be modified, or part of the technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model.
Claims
1. A single-lifting-point metallurgical ladle capping machine, comprising a ladle cover (1) on which a hanging hook (2) is mounted, one side of the upper end of the ladle cover (1) is provided with an observation hole (3), and one side of the upper end of the ladle cover (1) is provided with a slag tapping hole (4), characterized in that, The ladle cover (1) is provided with a lifting mechanism and a protection mechanism. The lifting mechanism comprises support frames (5) on both sides of the ladle cover (1), a capping trolley (6) is placed on the support frames (5), the capping trolley (6) and the support frames (5) are connected through telescopic oil cylinders (7), a lifting frame (8) is installed on the capping trolley (6), a lifting hook (9) is installed at the lower end of the lifting frame (8), and the lifting hook (9) is located below the capping trolley (6). The protection mechanism comprises an intercepting rod (10) installed at the lower end of the capping trolley (6), a square groove (11) is formed at the lower end of the intercepting rod (10), a lifting rod (12) is placed in the square groove (11), the lifting rod (12) is located in front of the lifting hook (9), and when the lifting rod (12) falls to the lowest position, the lower end of the lifting rod (12) is located above the hanging hook (2).
2. A single hanger point metallurgical ladle capping machine according to claim 1, characterized in that, The lifting frame (8) comprises lifting guide sleeves (13) installed on both sides of the capping trolley (6), lifting guide rods (14) are arranged in the lifting guide sleeves (13), a lifting platform (15) is arranged on the capping trolley (6), the lifting platform (15) is connected to the upper surfaces of the lifting guide rods (14) at the lower ends of both sides of the lifting platform (15), the lower ends of the lifting guide rods (14) are connected to the lifting hook (9), a lifting oil cylinder (16) is installed at the upper end of the capping trolley (6), and the upper end of the lifting oil cylinder (16) is connected to the lower surface of the lifting platform (15).
3. A single hanger point metallurgical ladle capping machine according to claim 2, characterized in that, The hanging hook (2) is located at the center of gravity of the ladle cover (1), the inner upper end of the hanging hook (2) is a flat surface, and the lifting hook (9) is a flat hook.
4. A single hanger point metallurgical ladle capping machine according to claim 2, characterized in that, L-shaped support rods (17) are installed at the lower ends of both sides of the lifting guide rods (14), connection grooves (18) are formed at the lower ends of the L-shaped support rods (17), extrusion rods (19) are arranged in the connection grooves (18), and the upper ends of the extrusion rods (19) are connected to the upper surfaces in the connection grooves (18) through telescopic springs (20).
5. A single hanger point metallurgical ladle capping machine according to claim 4, characterized in that, A ring-shaped intercepting plate (21) is installed at the lower end in the connection groove (18), a limiting block (22) is installed at the upper end of the extrusion rod (19), and the limiting block (22) can be attached to the ring-shaped intercepting plate (21).