CN218627688U

CN218627688U - Electric arc furnace bell lifting arm

Info

Publication number: CN218627688U
Application number: CN202222675409.6U
Authority: CN
Inventors: 胡晟劼; 王昊; 胡国梁; 胡国政; 陈理; 陈法
Original assignee: Loudi Dajin New Material Co ltd
Current assignee: Loudi Dajin New Material Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-14
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses an electric arc furnace cover lifting arm, which relates to the technical field of electric arc furnaces, and comprises a furnace body and a furnace cover body connected with the furnace body through a driving mechanism; actuating mechanism includes the brace table, fixed connection is at the first servo motor at brace table top, fixed connection is at the connecting plate of first servo motor output, the driving plate that is connected with the connecting plate through tilting mechanism, and the electric telescopic handle of fixed connection at the driving plate top, the top center department of bell body and electric telescopic handle's output fixed connection, be provided with stabilizing mean between brace table and the connecting plate. The utility model relates to an electric arc furnace bell lifting arm drives the connecting plate rotation through a servo motor to this makes furnace cover body and furnace body dislocation mutually, and the connecting plate is at rotatory in-process, and its bracing piece will slide in the mounting groove is inside, and the spin rolls in the arc wall is inside, thereby improves the stability when connecting plate removes.

Description

Electric arc furnace bell lifting arm

Technical Field

The utility model relates to an electric arc furnace technical field, in particular to electric arc furnace bell lifting arm.

Background

An electric arc furnace is an electric furnace that utilizes the high temperature produced by an electrode arc to melt ores and metals. When the gas discharge forms an electric arc, the energy is concentrated, and the temperature of the arc area is more than 3000 ℃. For smelting metal, the electric arc furnace has greater process flexibility than other steel furnaces, can effectively remove impurities such as sulfur, phosphorus and the like, has easily controlled furnace temperature and small equipment floor area, and is suitable for smelting high-quality alloy steel. The furnace body of the electric arc steelmaking furnace consists of a furnace cover, a furnace door, a steel tapping groove and a furnace body, and the furnace bottom and the furnace wall are built by alkaline refractory materials or acidic refractory materials.

The most fixed mounting of current electric arc furnace bell on the existing market is at the stack top, is not convenient for overhaul the inside of electric arc furnace, and the bell dismantles the back installation comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide an electric arc furnace bell lifting arm can effectively solve the most fixed mounting of bell among the background art at the furnace shaft top, is not convenient for overhaul the inside of electric arc furnace, and installs comparatively loaded down with trivial details problem after the bell is dismantled.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric arc furnace cover lifting arm comprises a furnace body and a furnace cover body connected with the furnace body through a driving mechanism;

the driving mechanism comprises a supporting table, a first servo motor fixedly connected to the top of the supporting table, a connecting plate fixedly connected to the output end of the first servo motor, a transmission plate connected with the connecting plate through a turnover mechanism, and an electric telescopic rod fixedly connected to the top of the transmission plate, the center of the top of the furnace cover body is fixedly connected with the output end of the electric telescopic rod, and a stabilizing mechanism is arranged between the supporting table and the connecting plate;

stabilizing mean includes fixed connection at the bracing piece at brace table top, set up at the mounting groove at bracing piece top, set up at the movable groove of mounting groove inside wall and the activity sets up in the spin inside the mounting groove, the lateral wall fixedly connected with installation axle of spin, the internal diameter size in movable groove equals with the external diameter size of installation axle, the installation axle rolls in movable inslot portion.

Preferably, the top of the furnace cover body is fixedly connected with three electrodes, and the three electrodes are distributed in an arc shape at equal intervals.

Preferably, through holes are formed in the top of the transmission plate, the number of the through holes is three, each through hole is located right above one electrode, and the outer diameter of each electrode is equal to the inner diameter of each through hole.

Preferably, the turnover mechanism comprises a rectangular sleeve and a second servo motor, the rectangular sleeve is fixedly connected to one side of the connecting plate, the second servo motor is located inside the rectangular sleeve, and the output end of the second servo motor is fixedly connected to one side of the transmission plate.

Preferably, the longitudinal section of the sliding groove is matched with the longitudinal section of the supporting rod, and an arc-shaped groove is formed in the groove bottom of the sliding groove.

Preferably, the outer side wall of the rolling ball protrudes out of the mounting groove and is positioned in the arc-shaped groove, and the rolling ball rolls in the arc-shaped groove.

Preferably, the cross sections of the sliding groove and the arc-shaped groove are both circular rings, and the central axes of the sliding groove and the arc-shaped groove are overlapped.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, it is flexible through starting electric telescopic handle, thereby it rises to drive driving plate and bell body, and then make the bell body and furnace body phase separation, and make the one end of electrode peg graft in the through hole, the electrode breaks away from the furnace body completely this moment, then it is rotatory to start first servo motor, thereby it is rotatory to make first servo motor drive the connecting plate, make the bell body and furnace body dislocation mutually with this, and the connecting plate is at rotatory in-process, its bracing piece will slide in the mounting groove is inside, and the spin rolls inside the arc wall, thereby stability when improving the connecting plate and removing, and the spin is rolling friction with the tank bottom of arc wall, so frictional force is less, and then improve the life of connecting plate, and be connected through second servo motor between driving plate and the connecting plate, so it is rotatory to drive the driving plate through second servo motor, with this angle of adjusting the bell body, and then conveniently clear up the bell body.

Drawings

Fig. 1 is a schematic perspective view of a furnace lid lifting arm of an electric arc furnace according to the present invention;

FIG. 2 is a schematic view of the bottom structure of a connecting plate of a furnace lid lifting arm of an electric arc furnace according to the present invention;

fig. 3 is a schematic perspective view of a structural support rod of a furnace lid lifting arm of an electric arc furnace according to the present invention;

FIG. 4 is a schematic view of a connection structure of a support rod and a rolling ball of an arc furnace lid lifting arm of the present invention;

fig. 5 is a schematic view of a connection structure between a connection plate and a transmission plate of an arc furnace lid lifting arm of the present invention.

In the figure: 1. a furnace body; 2. a furnace cover body; 3. a first servo motor; 4. a connecting plate; 5. a second servo motor; 6. a drive plate; 7. an electric telescopic rod; 8. a chute; 9. a support bar; 10. mounting grooves; 11. rolling a ball; 12. and (4) installing a shaft.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention relates to an arc furnace lid lifting arm, which comprises a furnace body 1 and a furnace lid 2 connected to the furnace body 1 via a driving mechanism;

the driving mechanism comprises a supporting table, a first servo motor 3 fixedly connected to the top of the supporting table, a connecting plate 4 fixedly connected to the output end of the first servo motor 3, a transmission plate 6 connected with the connecting plate 4 through a turnover mechanism, and an electric telescopic rod 7 fixedly connected to the top of the transmission plate 6, the center of the top of the furnace cover body 2 is fixedly connected with the output end of the electric telescopic rod 7, and a stabilizing mechanism is arranged between the supporting table and the connecting plate 4;

stabilizing mean includes that fixed connection sets up in the 10 inside walls's of mounting groove movable groove and activity in mounting groove 11 inside at the bracing piece 9 at a supporting bench top, offer the mounting groove 10 at bracing piece 9 top, offer the activity groove in mounting groove 10 inside wall, the lateral wall fixedly connected with installation axle 12 of spin 11, the internal diameter size in movable groove equals with the external diameter size of installation axle 12, installation axle 12 rolls in the activity inslot portion.

The top of the furnace cover body 2 is fixedly connected with three electrodes which are distributed in an arc shape at equal intervals.

The through hole has been seted up at the top of driving plate 6, and the quantity of through hole has three, and every through hole all is located an electrode directly over, and the external diameter size of electrode equals with the internal diameter size of through hole, and its electrode can peg graft in the through hole to this improves second servo motor 5 when rotatory, the stability between furnace lid 2 and the driving plate 6.

Tilting mechanism includes the rectangle cover and the second servo motor 5 of fixed connection in 4 one sides of connecting plate, and second servo motor 5 is located the inside of rectangle cover, and one side fixed connection of output and driving plate 6 of second servo motor 5, through second servo motor 5, can drive driving plate 6 rotatory to adjust the angle of furnace lid body 2, conveniently wash furnace lid body 2.

The longitudinal section of the sliding chute 8 is matched with the longitudinal section of the supporting rod 9, and an arc-shaped groove is formed at the bottom of the sliding chute 8.

The lateral wall protrusion mounting groove 10 of spin 11, and be located the inside of arc wall, spin 11 rolls inside the arc wall.

The cross sections of the sliding groove 8 and the arc-shaped groove are both circular rings, and the central axes of the sliding groove 8 and the arc-shaped groove are superposed with each other.

The utility model discloses a theory of operation does: stretch out and draw back through starting electric telescopic handle 7, thereby it rises to drive driving plate 6 and furnace cover body 2, and then make furnace cover body 2 and furnace body 1 phase separation, and make the one end of electrode peg graft in the through hole, the electrode breaks away from furnace body 1 completely this moment, then it is rotatory to start first servo motor 3, thereby it is rotatory to make first servo motor 3 drive connecting plate 4, thereby make furnace cover body 2 and furnace body 1 dislocation mutually, and connecting plate 4 is at rotatory in-process, its bracing piece 9 will slide in mounting groove 10 is inside, and spin 11 rolls inside the arc wall, thereby stability when improving connecting plate 4 and removing, and spin 11 is rolling friction with the tank bottom of arc wall, so frictional force is less, and then improve connecting plate 4's life, and be connected through second servo motor 5 between driving plate 6 and the connecting plate 4, so can drive driving plate 6 through second servo motor 5 and rotate, with this angle of adjusting furnace cover body 2, and then conveniently clear up furnace cover body 2.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electric arc furnace lid lifting arm characterized in that: comprises a furnace body (1) and a furnace cover body (2) connected with the furnace body (1) through a driving mechanism;

the driving mechanism comprises a supporting table, a first servo motor (3) fixedly connected to the top of the supporting table, a connecting plate (4) fixedly connected to the output end of the first servo motor (3), a transmission plate (6) connected with the connecting plate (4) through a turnover mechanism, and an electric telescopic rod (7) fixedly connected to the top of the transmission plate (6), the center of the top of the furnace cover body (2) is fixedly connected with the output end of the electric telescopic rod (7), and a stabilizing mechanism is arranged between the supporting table and the connecting plate (4);

stabilizing mean includes that fixed connection sets up in bracing piece (9) at the brace table top, seting up mounting groove (10) at bracing piece (9) top, seting up in the activity groove of mounting groove (10) inside wall and activity in mounting groove (10) inside spin (11), the lateral wall fixedly connected with installation axle (12) of spin (11), the internal diameter size in activity groove equals with the external diameter size of installation axle (12), installation axle (12) rolls at the activity inslot portion.

2. The furnace lid lifting arm for the electric arc furnace as claimed in claim 1, wherein: the top fixedly connected with electrode of stove lid body (2), the quantity of electrode has threely, and is the equidistant distribution of arc.

3. The electric arc furnace lid lifting arm of claim 2, wherein: the top of driving plate (6) has been seted up the through-hole, the quantity of through-hole has three, every the through-hole all is located one directly over the electrode, and the external diameter size of electrode equals with the internal diameter size of through-hole.

4. An electric arc furnace lid lifting arm as claimed in claim 3, characterized in that: tilting mechanism includes rectangle cover and second servo motor (5) of fixed connection in connecting plate (4) one side, second servo motor (5) are located the inside of rectangle cover, and the output of second servo motor (5) and one side fixed connection of driving plate (6).

5. The electric arc furnace lid lifting arm of claim 4, wherein: the longitudinal section of the sliding groove (8) is matched with the longitudinal section of the supporting rod (9), and an arc-shaped groove is formed at the bottom of the sliding groove (8).

6. The electric arc furnace lid lifting arm of claim 5, wherein: the outer side wall of the rolling ball (11) protrudes out of the mounting groove (10) and is located inside the arc-shaped groove, and the rolling ball (11) rolls inside the arc-shaped groove.

7. The electric arc furnace lid lifting arm of claim 6, wherein: the cross sections of the sliding groove (8) and the arc-shaped groove are both circular rings, and the central axes of the sliding groove (8) and the arc-shaped groove are superposed with each other.