Lightweight tundish cover

Abstract

The utility model relates to the technical field of tundish covers, and discloses a lightweight tundish cover which comprises a tundish cover body, a fixed connecting block is arranged at the top of the tundish cover body, a second fixed through groove is formed in the tundish cover body, one side of the fixed connecting block is fixedly connected with a fixed mounting frame, and the other side of the fixed mounting frame is fixedly connected with a second fixed through groove. The device comprises a fixed mounting frame, a connecting limiting block is fixedly connected to the inner side of the fixed mounting frame, a movable connecting frame is movably connected to the inner side of the fixed mounting frame in a clamped mode, a fixed connecting pipeline is fixedly connected to the inner side of the movable connecting frame, and a first fixed through groove is formed in the bottom end of the fixed mounting frame. The movable connecting frame can be quickly clamped on the inner side of the fixed mounting frame, and the position of the fixed mounting frame is mounted and fixed, so that the fixed connecting pipeline can be mounted and fixed, on the contrary, the fixed connecting pipeline can be quickly dismounted, the structure is simple, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tundish covers, and more specifically to a lightweight tundish cover. Background Art

[0002] Electric furnace steelmaking mainly uses arc heat. In the arc action zone, the temperature is as high as 4000℃. The smelting process is generally divided into melting period, oxidation period and reduction period. In the furnace, not only an oxidizing atmosphere but also a reducing atmosphere can be created. Therefore, the efficiency of dephosphorization and desulfurization is very high. When the steelmaking furnace is in use, the top of the steelmaking furnace is usually covered by a cover to heat the steel stably.

[0003] When the existing ladle cover is in use, its top is usually connected to a pipe, which can transport impurities generated during the steelmaking process to the outside. However, when connecting to the ladle cover, it is usually welded or connected by bolts, which is troublesome during the disassembly and assembly process. For this reason, we propose a lightweight intermediate ladle cover. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a lightweight tundish cover to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solutions: a lightweight intermediate ladle cover, comprising a ladle cover body, a fixed connection block is provided on the top of the ladle cover body, a second fixed through slot is provided inside the ladle cover body, a fixed installation frame is fixedly connected to one side of the fixed connection block, a movable connection frame is movably connected to the inner side of the fixed installation frame, a fixed connection pipe is fixedly connected to the inner side of the movable connection frame, a first fixed through slot is provided at the bottom end of the fixed installation frame, a connection limit block is fixedly connected to the bottom end of the movable connection frame, a fixed limit mechanism is fixedly connected to the bottom end of the fixed installation frame, and connection fastening mechanisms are fixedly connected to both sides of the fixed installation frame;

[0006] Furthermore, an electrode insertion hole is provided inside the package cover body, and a connection covering mechanism is fixedly connected to the top of the package cover body.

[0007] Furthermore, the fixed limiting mechanism includes a connecting sleeve block, the interior of the connecting sleeve block is movably connected with a positioning rod, the outer surface of the positioning rod is fixedly sleeved with a force-bearing mounting disk, a force spring is fixedly connected between one side of the force-bearing mounting disk and one end of the inner side of the connecting sleeve block, and one end of the positioning rod is fixedly connected to a connecting pull ring.

[0008] Furthermore, the outer side of the surface of the connection limit block is in contact with the inner side of the first fixed through groove, and the end of the positioning rod is in contact with the inside of the connection limit block.

[0009] Furthermore, the connecting and fastening mechanism includes a fixed positioning plate, the fixed positioning plate is movably connected to a threaded rod inside, the bottom end of the threaded rod is fixedly connected to a limiting chassis, the outer surface of the threaded rod is fixedly sleeved with a limiting ring, the outer surface of the threaded rod is threadedly connected to a movable fastening arm, and the top of the threaded rod is fixedly connected to a rotating handle.

[0010] Furthermore, the inner side of the movable fastening arm and the outer side of the top surface of the movable connection frame are in contact with each other.

[0011] Furthermore, the connecting covering mechanism includes a fixed guide rail, the outer side of the fixed guide rail is fixedly connected with a fixed mounting sleeve block, the interior of the fixed mounting sleeve block is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a connecting mounting plate, the other end of the connecting mounting plate is fixedly connected with a connecting shielding plate, and the end of the connecting shielding plate is in contact with the inner side of the fixed guide rail.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model is provided with a fixed installation frame, a connection limit block, a fixed limit mechanism and a connection fastening mechanism, so that the movable connection frame can be quickly clamped on the inner side of the fixed installation frame, and the position of the fixed installation frame can be installed and fixed, so that the fixed connection pipeline can be installed and fixed, and vice versa, it can also be quickly disassembled, with a simple structure and convenient operation.

[0014] 2. The utility model is provided with a connection covering mechanism, so that after the steel is heated, the graphene electrode can be pulled out from the inner side of the electrode socket, so that after being pulled out from the inside of the steelmaking furnace, the electrode socket can be blocked under the action of the connection covering mechanism, thereby improving operational safety and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the first fixed through groove structure of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the fixed limiting mechanism of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the connection and covering mechanism of the utility model.

[0019] The accompanying drawings are marked as follows: 1. cover body; 2. fixed connection block; 3. fixed installation frame; 4. movable connection frame; 5. fixed connection pipe; 6. first fixed through groove; 7. connection limit block; 8. fixed limit mechanism; 9. connection fastening mechanism; 10. second fixed through groove; 11. electrode socket; 12. connection covering mechanism; 13. connection sleeve block; 14. positioning plug rod; 15. force-bearing installation disk; 16. force-bearing spring; 17. connection pull ring; 18. fixed positioning plate; 19. threaded rod; 20. limit chassis; 21. limit sleeve ring; 22. rotating handle; 23. movable fastening arm; 24. fixed guide rail; 25. fixed installation sleeve block; 26. electric telescopic rod; 27. connection installation plate; 28. connection shielding plate. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0021] Reference Figure 1-4 The utility model provides a lightweight intermediate cover, including a cover body 1, a fixed connection block 2 is provided on the top of the cover body 1, a second fixed through groove 10 is provided inside the cover body 1, a fixed installation frame 3 is fixedly connected to one side of the fixed connection block 2, a movable connection frame 4 is movably connected to the inner side of the fixed installation frame 3, a fixed connection pipe 5 is fixedly connected to the inner side of the movable connection frame 4, a first fixed through groove 6 is provided at the bottom end of the fixed installation frame 3, a connection limit block 7 is fixedly connected to the bottom end of the movable connection frame 4, a fixed limit mechanism 8 is fixedly connected to the bottom end of the fixed installation frame 3, and connection fastening mechanisms 9 are fixedly connected to both sides of the fixed installation frame 3;

[0022] An electrode insertion hole 11 is provided inside the cover body 1 , and a connection covering mechanism 12 is fixedly connected to the top of the cover body 1 .

[0023] Among them, the fixed limiting mechanism 8 includes a connecting sleeve block 13, the connecting sleeve block 13 is internally movably connected with a positioning rod 14, the outer surface of the positioning rod 14 is fixedly sleeved with a force-bearing mounting plate 15, a force-bearing spring 16 is fixedly connected between one side of the force-bearing mounting plate 15 and an inner end of the connecting sleeve block 13, and one end of the positioning rod 14 is fixedly connected with a connecting pull ring 17, so that the force-bearing mounting plate 15 can be acted upon by the force spring 16 so that the end of the positioning rod 14 can be stably inserted into the interior of the connecting limit block 7, thereby fixing the position of the connecting limit block 7, and then the position of the movable connecting frame 4 and the fixed connecting pipe 5 can be fixed, and the operation is convenient.

[0024] Among them, the outer surface of the connecting limit block 7 fits with the inner side of the first fixed through groove 6, and the end of the positioning rod 14 fits with the inside of the connecting limit block 7, so that the connecting limit block 7 can be stably inserted into the inner side of the first fixed through groove 6, and at the same time, the end of the positioning rod 14 can be stably inserted into the inner side of the connecting limit block 7, which is easy to operate.

[0025] Among them, the connecting and fastening mechanism 9 includes a fixed positioning plate 18, and the internal movably connected with a threaded rod 19 of the fixed positioning plate 18, the bottom end of the threaded rod 19 is fixedly connected with a limiting chassis 20, and the outer surface of the threaded rod 19 is fixedly sleeved with a limiting collar 21, and the outer surface of the threaded rod 19 is threadedly connected with a movable fastening arm 23, and the top of the threaded rod 19 is fixedly connected with a rotating handle 22, which limits the position of the movable fastening arm 23 so that the movable fastening arm 23 is at the top of the movable connection frame 4, and then the rotating handle 22 is rotated to drive the threaded rod 19 to rotate, so that the movable fastening arm 23 can move downward on the outer surface of the threaded rod 19, so that the movable fastening arm 23 can limit the top of the movable connection frame 4, thereby limiting and reinforcing the position of the movable connection frame 4, and the operation is convenient.

[0026] The inner side of the movable fastening arm 23 fits with the outer side of the top surface of the movable connection frame 4 , so that the movable fastening arm 23 can stably cover the top of the movable connection frame 4 and limit the position of the movable connection frame 4 .

[0027] Among them, the connecting covering mechanism 12 includes a fixed guide rail 24, the outer side of the fixed guide rail 24 is fixedly connected with a fixed mounting sleeve 25, the interior of the fixed mounting sleeve 25 is fixedly connected with an electric telescopic rod 26, the output end of the electric telescopic rod 26 is fixedly connected with a connecting mounting plate 27, and the other end of the connecting mounting plate 27 is fixedly connected with a connecting shielding plate 28, and the end of the connecting shielding plate 28 is in contact with the inner side of the fixed guide rail 24, so that the electric telescopic rod 26 can push and pull the connecting mounting plate 27, drive the connecting shielding plate 28 to move, so that the connecting shielding plate 28 can move on the top of the cover body 1, thereby being able to cover the top of the electrode socket 11, and the operation is convenient.

[0028] The working principle of the utility model is as follows: during use, when the internal steel of the steelmaking furnace is heated, the external graphene electrode can be pulled out from the inner side of the electrode socket 11, and at the same time, the electric telescopic rod 26 can push and pull the connecting mounting plate 27, driving the connecting shielding plate 28 to move, so that the connecting shielding plate 28 can move on the top of the cover body 1, so as to cover the top of the electrode socket 11, thereby improving the safety during operation; when it is necessary to disassemble and maintain the fixed connecting pipe 5 and clean the internal impurities of the fixed connecting pipe 5, first rotate the rotating handle 22 to drive the threaded rod 19 to rotate, and at the same time maintain the state of the movable fastening arm 23 to avoid the movable fastening arm 23 from being skewed, so that The movable fastening arm 23 can move upward on the outer side of the surface of the threaded rod 19. After the movable fastening arm 23 is disengaged from the movable connecting frame 4, the state of the movable fastening arm 23 is no longer restricted, so that the movable fastening arm 23 is deflected from the top of the movable connecting frame 4 and is no longer at the top of the movable connecting frame 4. Then, the connecting pull ring 17 is pulled to drive the positioning rod 14 and the force-bearing mounting disk 15 to move, causing compression on the force-bearing spring 16, so that the end of the positioning rod 14 can be pulled out from the inside of the connecting limit block 7, thereby no longer restricting the position of the connecting limit block 7, so that the movable connecting frame 4 and the fixed connecting pipe 5 move upward, so that the movable connecting frame 4 can be detached from the inner side of the fixed mounting frame 3. The overall structure is simple and the operation is convenient and quick.

[0029] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0030] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A lightweight intermediate cover, comprising a cover body (1), characterized in that: A fixed connection block (2) is provided on the top of the cover body (1), a second fixed through groove (10) is provided inside the cover body (1), a fixed installation frame (3) is fixedly connected to one side of the fixed connection block (2), a movable connection frame (4) is movably connected to the inner side of the fixed installation frame (3), a fixed connection pipe (5) is fixedly connected to the inner side of the movable connection frame (4), a first fixed through groove (6) is provided at the bottom end of the fixed installation frame (3), a connection limit block (7) is fixedly connected to the bottom end of the movable connection frame (4), a fixed limit mechanism (8) is fixedly connected to the bottom end of the fixed installation frame (3), and connection fastening mechanisms (9) are fixedly connected to both sides of the fixed installation frame (3).

2. A lightweight tundish cover according to claim 1, characterized in that: An electrode insertion hole (11) is provided inside the package cover body (1), and a connecting covering mechanism (12) is fixedly connected to the top of the package cover body (1).

3. The lightweight tundish cover according to claim 1, characterized in that: The fixed limiting mechanism (8) comprises a connecting sleeve (13), the interior of the connecting sleeve (13) is movably connected with a positioning rod (14), the outer surface of the positioning rod (14) is fixedly sleeved with a force-bearing mounting plate (15), one side of the force-bearing mounting plate (15) is fixedly connected to an inner end of the connecting sleeve (13), and one end of the positioning rod (14) is fixedly connected to a connecting pull ring (17).

4. A lightweight tundish cover according to claim 3, characterized in that: The outer surface of the connection limit block (7) is in contact with the inner side of the first fixed through groove (6), and the end of the positioning rod (14) is in contact with the inside of the connection limit block (7).

5. The lightweight tundish cover according to claim 1, characterized in that: The connecting and fastening mechanism (9) comprises a fixed positioning plate (18), the interior of the fixed positioning plate (18) is movably connected to a threaded rod (19), the bottom end of the threaded rod (19) is fixedly connected to a limiting chassis (20), the outer surface of the threaded rod (19) is fixedly sleeved with a limiting collar (21), the outer surface of the threaded rod (19) is threadedly connected to a movable fastening arm (23), and the top of the threaded rod (19) is fixedly connected to a rotating handle (22).

6. A lightweight tundish cover according to claim 5, characterized in that: The inner side of the movable fastening arm (23) and the outer side of the top surface of the movable connection frame (4) are in contact with each other.

7. The lightweight tundish cover according to claim 2, characterized in that: The connecting and covering mechanism (12) comprises a fixed guide rail (24), the outer side of the fixed guide rail (24) is fixedly connected to a fixed mounting sleeve (25), the interior of the fixed mounting sleeve (25) is fixedly connected to an electric telescopic rod (26), the output end of the electric telescopic rod (26) is fixedly connected to a connecting mounting plate (27), the other end of the connecting mounting plate (27) is fixedly connected to a connecting shielding plate (28), and the end of the connecting shielding plate (28) is in contact with the inner side of the fixed guide rail (24).

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