CN214009982U

CN214009982U - Electrode lifting device of electric furnace

Info

Publication number: CN214009982U
Application number: CN202023305997.1U
Authority: CN
Inventors: 刘永富; 钱松; 佟正国; 韩传成; 王清林
Original assignee: Yingkou New Silicon Products Co ltd
Current assignee: Yingkou New Silicon Products Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-20
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an electrode lifting device of an electric furnace, which relates to the technical field of electrode lifting and solves the technical problem that the prior electrode lifting device has poor precision of adjusting the position of an electrode when in use, and comprises a base, wherein the base is rotationally connected with a turntable, a first driving device is arranged between the turntable and the base, the wall surface of the turntable is fixedly connected with a supporting arm, one end of a cross rod of the supporting arm is fixedly connected with an electrode installation cover, the inner side wall of the electrode installation cover is fixedly connected with a first insulator, an opening is arranged below the electrode installation cover, the upper wall of the electrode installation cover is provided with an installation hole, a driving block is rotationally connected in the installation hole, a second driving device is arranged between the driving block and the electrode installation cover, the device changes the traditional mode of adjusting the electrode by using a winch, the electrode can be moved to one side of an ore-smelting furnace by the rotation of the turntable, the electrode can be prevented from shaking to cause adverse effects on the electrode mounting plate through the guide cover.

Description

Electrode lifting device of electric furnace

Technical Field

The utility model relates to an electrode lifting technical field specifically is an electrode elevating gear of electric stove.

Background

The submerged arc furnace is also called electric arc furnace or resistance furnace. It is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent and solvent. It features use of carbon or magnesium refractory as furnace lining and self-culturing electrode. The electrodes are inserted into the charge to perform a submerged arc operation, and metal is melted by passing energy and current of the arc through the charge, generating energy due to the resistance of the charge. The electrode lifting device is used for changing the depth of the electrode inserted into the furnace burden, adjusting the operating resistance and enabling the input power in the furnace to reach the rated requirement. In the utility model with publication number CN201690638U, an electrode lifting device is disclosed, which comprises at least one steel wire rope passing through a fixed pulley, one end of the steel wire rope is connected with a counterweight, and the other end of the steel wire rope is connected with a tripod on a lifter. The steel wire ropes, the fixed pulleys and the counter weights are in a plurality of groups. The utility model discloses a connect the counter weight thing on the riser of electrode during the use, the weight of some riser has been offset with the weight of counter weight thing, load when having reduced the electrode riser and going up, reach and reduce frictional force, reduce the effect of mechanical wear, thereby reach and reduce the copper nut, lead screw wearing and tearing, the effect of trouble-free operating time of extension, however, current electrode elevating gear adopts the hoist engine to go up and down mostly, because wire rope is bearing the weight of whole root electrode, and the electrode often needs the height-adjusting, long-time the removal repeatedly makes wire rope and pulley friction ageing easily, there is the potential safety hazard to the electric stove, and the steel cable has certain tension, the position of accurate adjustment electrode in the ore furnace is not convenient for, the result of use is not good.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an electrode lifting device of electric stove has solved the not good technical problem of current electrode lifting device adjustment electrode position precision when using.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an electrode lifting device of an electric furnace comprises a base, a turntable is rotatably connected on the base, a first driving device is arranged between the turntable and the base, the upper wall surface of the turntable is fixedly connected with a supporting arm, one end of a cross rod of the supporting arm is fixedly connected with an electrode mounting cover, the inner side wall of the electrode mounting cover is fixedly connected with a first insulator, an opening is arranged below the electrode mounting cover, the upper wall of the electrode mounting cover is provided with a mounting hole, a driving block is rotatably connected in the mounting hole, a second driving device is arranged between the driving block and the electrode mounting cover, a threaded hole is arranged in the driving block, a threaded rod is screwed in the threaded hole, a second insulator is fixedly connected at the lower end of the threaded rod, an electrode mounting plate is fixedly connected below the second insulator, the lower wall surface of the electrode mounting plate is fixedly connected with a plurality of electrodes, and the side wall of the electrode mounting plate is in contact with the inner wall surface of the first insulator.

Preferably, first drive arrangement includes first ring gear, first ring gear rigid coupling in the revolving stage lateral wall, the wall just is located on the base revolving stage one side rigid coupling has first mounting bracket, first servo motor is installed to first mounting bracket one side, first servo motor drive end rigid coupling has first gear, first gear with first ring gear meshes mutually.

Preferably, the second driving device comprises a second gear ring, the second gear ring is fixedly connected with the side wall of the driving block, the electrode mounting cover is provided with a wall surface and is located, one side of the driving block is fixedly connected with a second mounting frame, one side of the second mounting frame is fixedly connected with a second servo motor, a driving end of the second servo motor is fixedly connected with a second gear, and the second gear is meshed with the second gear ring.

Preferably, the driving block is of an I-shaped structure, and the driving block is embedded in the mounting hole through a groove.

Preferably, the electrode mounting cover inside wall just is located opening one end rigid coupling has the direction lid, the direction is covered and has been seted up a plurality of guiding holes, and is a plurality of the guiding hole with a plurality of the electrode phase-match.

Preferably, the guide cover is made of an insulating material.

Preferably, a first reinforcing rib is fixedly connected between the supporting arm and the rotary table, and a second reinforcing rib is fixedly connected between the supporting arm cross rod and the vertical rod.

Preferably, the cross section of the electrode mounting cover is of a rectangular structure.

Advantageous effects

The utility model provides an electrode elevating gear of electric stove possesses following beneficial effect: the utility model rotates the driving block through the first servo motor, the driving block is meshed with the threaded rod to lift the threaded rod, the height of the electrode is adjusted by lifting the threaded rod, the traditional mode of adjusting the electrode by using a winch is changed, the adjusting precision is high, the production quality is improved, the first insulator and the second insulator are arranged to prevent the leakage of electricity, thereby improving the production safety, the second servo motor rotates the turntable, the electrode can be moved to one side of the submerged arc furnace through the rotation of the turntable, the charging and the moving of the submerged arc furnace are convenient, the electrode installation cover is provided with the guide cover, so that the electrode can be prevented from shaking to cause adverse effect on the electrode installation plate, the electrode can retract into the electrode installation cover after rising, the safety of the electrode is protected, and other equipment or workers can be prevented from touching the electrode with high voltage.

Drawings

Fig. 1 is a front view structure diagram of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

In the figure: 1-a base; 2-a turntable; 21-a first ring gear; 22-a first servomotor; 23-a first gear; 24-a first mounting frame; 3-a support arm; 31-a first reinforcing rib; 32-a second reinforcing rib; 4-electrode mounting cover; 41-a first insulator; 42-a guide cover; 5-electrode mounting plate; 51-a second insulator; 52-a threaded rod; 53-a drive block; 54-a second ring gear; 55-a second gear; 56-a second servo motor; 57-a second mounting frame; 6-electrodes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an electrode lifting device of an electric furnace comprises a base 1, wherein a rotary table 2 is rotatably connected to the base 1, a first driving device is installed between the rotary table 2 and the base 1, a support arm 3 is fixedly connected to the upper wall surface of the rotary table 2, an electrode installation cover 4 is fixedly connected to one end of a cross rod of the support arm 3, a first insulator 41 is fixedly connected to the inner side wall of the electrode installation cover 4, an opening is formed below the electrode installation cover 4, an installation hole is formed in the upper wall of the electrode installation cover 4, a driving block 53 is rotatably connected in the installation hole, a second driving device is installed between the driving block 53 and the electrode installation cover 4, a threaded hole is formed in the driving block 53, a threaded rod 52 is rotatably connected in the threaded hole, a second insulator 51 is fixedly connected to the lower end of the threaded rod 52, an electrode installation plate 5 is fixedly connected to the lower wall surface of the second insulator 51, a plurality of electrodes 6 are fixedly connected to the lower wall surface of the electrode installation plate 5, the side wall of the electrode mounting plate 5 is in contact with the inner wall surface of the first insulator 41; the first driving device comprises a first gear ring 21, the first gear ring 21 is fixedly connected to the side wall of the rotary table 2, a first mounting frame 24 is fixedly connected to the upper wall surface of the base 1 and positioned on one side of the rotary table 2, a first servo motor 22 is mounted on one side of the first mounting frame 24, a first gear 23 is fixedly connected to the driving end of the first servo motor 22, and the first gear 23 is meshed with the first gear ring 21; the second driving device comprises a second gear ring 54, the second gear ring 52 is fixedly connected to the side wall of the driving block 53, a second mounting frame 57 is fixedly connected to the upper wall surface of the electrode mounting cover 4 and located on one side of the driving block 53, a second servo motor 56 is fixedly connected to one side of the second mounting frame 57, a second gear 55 is fixedly connected to the driving end of the second servo motor 56, and the second gear 55 is meshed with the second gear ring 52; the driving block 53 is in an I-shaped structure, and the driving block 53 is embedded in the mounting hole through a groove; a guide cover 42 is fixedly connected to the inner side wall of the electrode mounting cover 4 and positioned at one end of the opening, a plurality of guide holes are formed in the guide cover 42, and the plurality of guide holes are matched with the plurality of electrodes 6; the guide cover 42 is made of insulating materials; a first reinforcing rib 31 is fixedly connected between the supporting arm 3 and the rotary table 2, and a second reinforcing rib 32 is fixedly connected between a cross rod and a vertical rod of the supporting arm 3; the cross section of the electrode mounting cover 4 is of a rectangular structure.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Example (b): as can be seen from the attached drawings 1-2 of the specification, when in use, the first servo motor 22, the second servo motor 56 and the electrode 6 are communicated with an external power supply and an external controller through conducting wires, the first servo motor 22 is controlled to rotate through the external controller, the first gear 23 at the driving end of the first servo motor 22 is meshed with the first gear ring 21, the turntable 2 can be rotated, the electrode 6 at one end of the support arm 3 can be moved to one side of the submerged arc furnace through the rotation of the turntable 2, the second servo motor 56 is controlled to rotate through the external controller, the second gear 55 at the driving end of the second servo motor 23 is meshed with the second turntable 54, the driving block 53 can be rotated, the internally meshed threaded rod 52 can be lifted or lowered through the rotation of the driving block 53, the threaded rod 52 can be limited from rotating because the threaded rod 52 is fixedly connected to the motor mounting plate 5, the first insulator 41 in the electrode mounting cover 4 and the second insulator 51 between the threaded rod 52 and the electrode mounting plate 5, can prevent the leakage of electricity, can avoid the bad influence of the shaking of the electrode 6 on the electrode mounting plate 5 through the arranged guide cover 42,

it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides an electrode lifting device of electric stove, includes base (1), its characterized in that, it is connected with revolving stage (2) to rotate on base (1), revolving stage (2) with install first drive arrangement between base (1), the wall rigid coupling has support arm (3) on revolving stage (2), support arm (3) horizontal pole one end rigid coupling has electrode installation cover (4), electrode installation cover (4) inside wall rigid coupling has first insulator (41), electrode installation cover (4) below is equipped with the opening, the mounting hole has been seted up to electrode installation cover (4) upper wall, the rotation is connected with driving block (53) in the mounting hole, driving block (53) with install second drive arrangement between electrode installation cover (4), set up the screw hole in driving block (53), threaded hole has connect with threaded rod (52) soon, threaded rod (52) lower extreme rigid coupling has second insulator (51), second insulator (51) below rigid coupling has electrode mounting panel (5), electrode mounting panel (5) lower wall rigid coupling has a plurality of electrodes (6), electrode mounting panel (5) lateral wall with first insulator (41) internal face contacts.

2. The electrode lifting device of an electric furnace according to claim 1, wherein the first driving device comprises a first gear ring (21), the first gear ring (21) is fixedly connected to the side wall of the rotary table (2), a first mounting frame (24) is fixedly connected to the upper wall surface of the base (1) and located on one side of the rotary table (2), a first servo motor (22) is mounted on one side of the first mounting frame (24), a first gear (23) is fixedly connected to the driving end of the first servo motor (22), and the first gear (23) is meshed with the first gear ring (21).

3. The electrode lifting device of an electric furnace according to claim 1, wherein the second driving device comprises a second gear ring (54), the second gear ring (54) is fixedly connected to the side wall of the driving block (53), a second mounting frame (57) is fixedly connected to the upper wall surface of the electrode mounting cover (4) and located on one side of the driving block (53), a second servo motor (56) is fixedly connected to one side of the second mounting frame (57), a second gear (55) is fixedly connected to the driving end of the second servo motor (56), and the second gear (55) is meshed with the second gear ring (54).

4. The electrode lifting device of an electric furnace according to claim 1, wherein the driving block (53) has an i-shaped structure, and the driving block (53) is inserted into the mounting hole through a groove.

5. The electrode lifting device of the electric furnace according to claim 1, wherein a guide cover (42) is fixedly connected to the inner side wall of the electrode mounting cover (4) and located at one end of the opening, a plurality of guide holes are formed in the guide cover (42), and the plurality of guide holes are matched with the plurality of electrodes (6).

6. The electrode lifter for an electric furnace according to claim 5, wherein the guide cover (42) is an insulating material.

7. The electrode lifting device for electric furnaces as claimed in claim 1, characterised in that a first reinforcement (31) is fixed between the supporting arm (3) and the turntable (2), and a second reinforcement (32) is fixed between the horizontal and vertical rods of the supporting arm (3).

8. The electrode lifting device for an electric furnace according to claim 1, wherein the electrode mounting cup (4) has a rectangular cross-section.