CN215799811U

CN215799811U - Consumable electrode fixing device for stripping type slab electroslag furnace

Info

Publication number: CN215799811U
Application number: CN202122302139.XU
Authority: CN
Inventors: 余强; 董君伟; 张取一; 王华英
Original assignee: Shenyang Huasheng Metallurgical Technology And Installation Co ltd; Northeastern University China
Current assignee: Shenyang Huasheng Metallurgical Technology And Installation Co ltd; Northeastern University China
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-11
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a consumable electrode fixing device for a stripping type slab electroslag furnace, which relates to the field of electroslag furnace production equipment and comprises a lifting platform, wherein the bottom end of the lifting platform is connected with a conductive copper pipe, a dummy electrode is fixed at the bottom end of the conductive copper pipe, a consumable electrode is installed at the bottom end of the dummy electrode, a crystallizer is arranged at the bottom end of the consumable electrode, connecting rods are fixed at two ends of the outer wall of the dummy electrode, and two groups of connecting rods are fixedly connected with the lifting platform through limiting assemblies. The consumable electrode is limited by the lifting platform, the connecting rod, the dummy electrode, the crystallizer and the limiting assembly, so that the weight of the consumable electrode is shared, and the conductive effect is also born.

Description

Consumable electrode fixing device for stripping type slab electroslag furnace

Technical Field

The utility model relates to the field of electroslag furnace production equipment, in particular to a consumable electrode fixing device for a stripping type slab electroslag furnace.

Background

The electroslag furnace is a consumable electrode which is inserted into a slag pool and is melted by utilizing heat energy generated by remelting current, after metal molten drops are cleaned by slag liquid, the special smelting equipment for crystallizing into electroslag ingot in water-cooled crystallizer has good purity of electroslag remelting metal, fine and uniform cast structure, no white point and annual ring-shaped segregation, extremely low sulfur content, fine and dispersed inclusions and other excellent performances due to the inclusion removing function and good crystallization conditions of slag liquid, so that the electroslag remelting is in monopoly position in the production of large and medium forging and module blanks, the electroslag casting special-shaped part has unique advantages in high-quality tool and die steel, maraging steel, dual-phase steel pipe blanks and cold-rolled roll electroslag steel, the annual output of domestic electroslag steel reaches dozens of thousands of tons, an electroslag furnace is indispensable production equipment of a special steel mill, and electroslag metallurgy has three basic functions of heating, refining and sequential crystallization.

The consumable electrode fixing device for the traditional stripping type slab electroslag furnace has poor fixing effect and price, a fixed structure is scattered in the swinging process, and the consumable electrode for the stripping type slab electroslag furnace is inconvenient to fix.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the consumable electrode fixing device for the stripping type slab electroslag furnace is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a consumable electrode fixing device for a stripping type slab electroslag furnace comprises a lifting platform, wherein the bottom end of the lifting platform is connected with a conductive copper pipe, a dummy electrode is fixed at the bottom end of the conductive copper pipe, a consumable electrode is installed at the bottom end of the dummy electrode, a crystallizer is arranged at the bottom end of the consumable electrode, connecting rods are fixed at two ends of the outer wall of the dummy electrode, and the two groups of connecting rods are fixedly connected with the lifting platform through a limiting assembly;

spacing subassembly including with lift platform fixed connection's first adapter sleeve, the swivel becket is installed to the bottom of first adapter sleeve, the inner wall connection of swivel becket has the second adapter sleeve, the inner wall of second adapter sleeve is provided with the carriage release lever, the top of carriage release lever is provided with the lifter that runs through to first adapter sleeve outer wall, the bottom mounting of carriage release lever has the connecting block, the both ends of connecting block are connected with the guide bar, the guide bar is kept away from the one end of connecting block and is installed the axis of rotation, the top of axis of rotation is provided with the fixture block, the bottom mounting of connecting block has reset spring.

Preferably, the outer wall of the first connecting sleeve is provided with two groups of sliding grooves matched with the lifting rod, the outer wall of the second connecting sleeve is provided with four groups of limiting grooves matched with the clamping blocks, the top end of the connecting rod penetrates through to the bottom end of the connecting rod to be provided with a limiting hole, and the diameter of the inner wall of the limiting hole is matched with that of the outer wall of the second connecting sleeve.

Preferably, the outer wall of the second connecting sleeve is provided with threads above the limiting groove of the outer wall of the second connecting sleeve, the inner wall of the second connecting sleeve is provided with internal threads matched with the threads of the outer wall of the second connecting sleeve, and the inner wall of the first connecting sleeve is provided with a cavity for accommodating the second connecting sleeve.

Preferably, the number of the clamping blocks is four, and the four groups of rotating shafts are rotatably connected with the inner wall of the second connecting sleeve through rotating shafts.

Preferably, the top end of the second connecting sleeve penetrates through the inside of the second connecting sleeve to form a through hole, and an inner cavity of the through hole is used for facilitating the movement of the moving rod.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model limits the consumable electrode by arranging the limiting component, not only shares the weight of the consumable electrode, but also bears the conductive effect, and at the same time, most importantly, limits the horizontal line direction and the vertical horizontal line direction of the consumable electrode, effectively prevents the consumable electrode from swinging, thereby causing the breakage of a conductive copper pipe, the concrete operation is as follows, in the process of preparing the electroslag furnace production, a user pulls a lifting rod downwards, the lifting rod moves to drive a moving rod to move, thereby driving a connecting block to move, the connecting block moves to drive a guide rod to move and simultaneously extrude a reset spring, the guide rod moves to drive a rotating shaft to rotate, thereby driving a clamping block to do sector motion, when the outer wall of the clamping block and the outer wall of the second connecting sleeve are positioned at the same vertical horizontal line, a rotating ring is screwed, thereby driving the second connecting sleeve to move, the second connecting sleeve moves to drive the clamping block to move, after the fixture block passes through the limiting hole in the connecting rod, the control on the lifting rod is loosened, the fixture block resets under the thrust of the reset spring, the fixture block is clamped at the bottom end of the connecting rod, and the rotating ring is screwed down again, so that the first connecting sleeve and the second connecting sleeve are tightened, the transverse and vertical limiting of the connecting rod is achieved, and the limiting assembly is limited to the consumable electrode.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the spacing assembly of the present invention;

fig. 3 is a schematic structural view of the limiting assembly of the present invention.

In the figure: 1. a lifting platform; 2. a conductive copper tube; 3. a dummy electrode; 4. a consumable electrode; 5. a crystallizer; 6. a connecting rod; 7. a limiting component; 701. a first connecting sleeve; 702. a rotating ring; 703. a second connecting sleeve; 704. a travel bar; 705. a lifting rod; 706. connecting blocks; 707. a guide bar; 708. a rotating shaft; 709. a clamping block; 710. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-3, a consumable electrode fixing device for a stripping slab electroslag furnace comprises a lifting platform 1, wherein the bottom end of the lifting platform 1 is connected with a conductive copper pipe 2, the bottom end of the conductive copper pipe 2 is fixed with a dummy electrode 3, the bottom end of the dummy electrode 3 is provided with a consumable electrode 4, the bottom end of the consumable electrode 4 is provided with a crystallizer 5, two ends of the outer wall of the dummy electrode 3 are fixed with connecting rods 6, and the two groups of connecting rods 6 are fixedly connected with the lifting platform 1 through a limiting assembly 7;

the limiting component 7 comprises a first connecting sleeve 701 fixedly connected with the lifting platform 1, a rotating ring 702 is installed at the bottom end of the first connecting sleeve 701, a second connecting sleeve 703 is connected to the inner wall of the rotating ring 702, a moving rod 704 is arranged on the inner wall of the second connecting sleeve 703, a lifting rod 705 penetrating through the outer wall of the first connecting sleeve 701 is arranged at the top end of the moving rod 704, a connecting block 706 is fixed at the bottom end of the moving rod 704, guide rods 707 are connected to two ends of the connecting block 706, a rotating shaft 708 is installed at one end, far away from the connecting block 706, of the guide rod 707, a clamping block 709 is arranged at the top end of the rotating shaft 708, and a reset spring 710 is fixed at the bottom end of the connecting block 706;

in the process of preparing the electroslag furnace, a user pulls the lifting rod 705 downwards, the lifting rod 705 moves to drive the moving rod 704 to move, so that the connecting block 706 moves, the connecting block 706 moves to drive the guide rod 707 to move and simultaneously extrude the return spring 710, the guide rod 707 moves to drive the rotating shaft 708 to rotate, so that the fixture block 709 is driven to do sector motion, and when the outer wall of the fixture block 709 and the outer wall of the second connecting sleeve 703 are located on the same vertical horizontal line, the rotating ring 702 is screwed, therefore, the second connecting sleeve 703 moves to drive the fixture block 709 to move, after the fixture block 709 passes through the limiting hole in the connecting rod 6, the control on the lifting rod 705 is released, the fixture block 709 resets under the thrust of the return spring 710, the fixture block is clamped at the bottom end of the connecting rod 6, and the rotating ring 702 is screwed down again, so that the first connecting sleeve 701 and the second connecting sleeve 703 are tightened, thereby achieving the transverse and vertical limiting on the connecting rod 6 and leading to the limiting of the limiting component 7 on the consumable electrode 4.

Please refer to fig. 2 and fig. 3, the outer wall of the first connecting sleeve 701 is provided with two sets of sliding grooves matching with the lifting rod 705, the outer wall of the second connecting sleeve 703 is provided with four sets of limiting grooves matching with the fixture blocks 709, the top end of the connecting rod 6 penetrates to the bottom end thereof to be provided with a limiting hole, the diameter of the inner wall of the limiting hole matches with the outer wall of the second connecting sleeve 703, and the above structure is convenient for the lifting rod 705 to move inside the first connecting sleeve 701.

Please refer to fig. 2 and fig. 3, the outer wall of the second connection sleeve 703 is provided with a thread above the limiting groove of the outer wall of the second connection sleeve 703, the inner wall of the second connection sleeve 703 is provided with an internal thread matching with the thread of the outer wall of the second connection sleeve 703, and the inner wall of the first connection sleeve 701 is provided with a cavity for accommodating the second connection sleeve 703.

Please refer to fig. 2 and fig. 3, the number of the clamping blocks 709 is four, and the four sets of rotating shafts 708 are rotatably connected to the inner wall of the second connecting sleeve 703 through the rotating shafts, so that the user can fix the limiting component 7 and the connecting rod 6 through the clamping blocks 709.

Referring to fig. 1 and 2, a through hole is formed through the top end of the second connection sleeve 703 to the inside of the second connection sleeve 703, and an inner cavity of the through hole is used for facilitating the movement of the moving rod 704, so that the moving rod 704 can move inside the second connection sleeve 703.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a consumable electrode fixing device for stripping formula slab electroslag furnace, includes lift platform (1), its characterized in that: the bottom end of the lifting platform (1) is connected with a conductive copper pipe (2), a dummy electrode (3) is fixed at the bottom end of the conductive copper pipe (2), a consumable electrode (4) is installed at the bottom end of the dummy electrode (3), a crystallizer (5) is arranged at the bottom end of the consumable electrode (4), connecting rods (6) are fixed at two ends of the outer wall of the dummy electrode (3), and the two groups of connecting rods (6) are fixedly connected with the lifting platform (1) through a limiting assembly (7);

spacing subassembly (7) including first adapter sleeve (701) with lift platform (1) fixed connection, swivel becket (702) is installed to the bottom of first adapter sleeve (701), the inner wall of swivel becket (702) is connected with second adapter sleeve (703), the inner wall of second adapter sleeve (703) is provided with carriage release lever (704), the top of carriage release lever (704) is provided with lifter (705) that runs through to first adapter sleeve (701) outer wall, the bottom mounting of carriage release lever (704) has connecting block (706), the both ends of connecting block (706) are connected with guide bar (707), axis of rotation (708) is installed to the one end that connecting block (706) was kept away from in guide bar (707), the top of axis of rotation (708) is provided with fixture block (709), the bottom mounting of connecting block (706) has reset spring (710).

2. The consumable electrode fixing device for the stripping type slab electroslag furnace according to claim 1, which is characterized in that: the outer wall of the first connecting sleeve (701) is provided with two groups of sliding grooves matched with the lifting rod (705), the outer wall of the second connecting sleeve (703) is provided with four groups of limiting grooves matched with the clamping blocks (709), the top end of the connecting rod (6) penetrates through the bottom end of the connecting rod and is provided with a limiting hole, and the diameter of the inner wall of the limiting hole is matched with the outer wall of the second connecting sleeve (703).

3. The consumable electrode fixing device for the stripping type slab electroslag furnace according to claim 1, which is characterized in that: the outer wall of the second connecting sleeve (703) is located above the outer wall limiting groove of the second connecting sleeve (703) and is provided with threads, the inner wall of the second connecting sleeve (703) is provided with internal threads matched with the threads of the outer wall of the second connecting sleeve (703), and the inner wall of the first connecting sleeve (701) is provided with a cavity for accommodating the second connecting sleeve (703).

4. The consumable electrode fixing device for the stripping type slab electroslag furnace according to claim 1, which is characterized in that: the number of the clamping blocks (709) is four, and the four groups of rotating shafts (708) are rotatably connected with the inner wall of the second connecting sleeve (703) through rotating shafts.

5. The consumable electrode fixing device for the stripping type slab electroslag furnace according to claim 1, which is characterized in that: the top end of the second connecting sleeve (703) penetrates into the second connecting sleeve (703) to form a through hole, and the inner cavity of the through hole is used for facilitating the movement of the moving rod (704).