CN220733048U - Electrode lifting device of electric arc furnace - Google Patents
Electrode lifting device of electric arc furnace Download PDFInfo
- Publication number
- CN220733048U CN220733048U CN202322095231.2U CN202322095231U CN220733048U CN 220733048 U CN220733048 U CN 220733048U CN 202322095231 U CN202322095231 U CN 202322095231U CN 220733048 U CN220733048 U CN 220733048U
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- fixed
- rod
- guide frame
- arc furnace
- lifting device
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- 238000010891 electric arc Methods 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model belongs to the technical field of electric arc furnaces, and particularly relates to an electric arc furnace electrode lifting device, which comprises a guide frame, wherein a first screw rod is rotatably arranged on the inner side of the guide frame, a servo motor is fixedly arranged at the top end of the guide frame, the output end of the servo motor penetrates through the guide frame and is fixedly connected with the top of the first screw rod, a connecting sleeve is sleeved on the outer side of the servo motor in a threaded manner, a fixed block is fixed on one side of the connecting sleeve, and a second screw rod is arranged on one side of the top of the guide frame. According to the utility model, the two balancing weights can be controlled to synchronously slide in opposite directions by controlling the rotation of the second screw rods with the reverse thread structures at the two ends, and the two supporting rods can be used for pushing the movable rod, the connecting block, the bracket and the three locking sleeves to slide at the moment, so that the distance between the connecting block and the guide frame can be adjusted, the connecting block is conveniently positioned at the center of the electric arc furnace, and the lifting device is convenient to install and use for electric arc furnaces of different types and has a wider application range.
Description
Technical Field
The utility model belongs to the technical field of arc furnaces, and particularly relates to an electrode lifting device of an arc furnace.
Background
An electric arc furnace is an electric furnace capable of smelting ores and metals at high temperatures by means of electrode arc generation. The arc furnace is internally provided with electrodes, and arc discharge is formed between the electrodes and high-temperature energy is generated. The high-temperature energy can heat the metal material in the arc furnace to melt, and when the arc furnace is used for metal smelting, the lifting device is required to control the electrode to carry out lifting adjustment so as to control the arc voltage and the arc current to be kept on the required set values, so that the stable arc voltage and the stable arc current are kept, and stable, low-consumption and high-efficiency steelmaking operation is realized.
In the Chinese patent with publication number of CN204681619U, an electrode lifting device for an electric arc furnace is provided, which comprises a driving device, a lifting upright post and a fixing frame for fixing an electrode; the fixing frame is arranged on the lifting upright post in a sliding manner; the fixing frame comprises a sliding sleeve, a fixing cross beam and a transmission block; the sliding sleeve is sleeved on the lifting upright post in a sliding manner, a fixed cross beam is fixedly arranged on the outer end face of the left part of the sliding sleeve, and an electrode is fixedly arranged at the free end of the fixed cross beam; the transmission block is fixedly arranged on the sliding sleeve, and is provided with a threaded through hole extending along the lifting direction; the driving device comprises a transmission mechanism, a worm gear pair and a driving screw rod; an output shaft of the transmission mechanism is fixedly connected with a worm of the worm gear pair; one end of the driving screw is fixedly connected with a worm wheel of the worm gear pair; the driving screw rod passes through the threaded through hole on the transmission block and is in transmission fit with the threaded through hole. Stable lifting and ingenious structural design;
however, the lifting device proposed in the above-mentioned reference still has some drawbacks and disadvantages in the actual operation process: when the lifting of the electrode is realized by utilizing the worm gear pair, the fixed cross beam can be pulled and lifted by utilizing the winding of the steel wire rope, but in the process of actual operation, as the worm gear pair and the steel wire rope share a driving source, the lifting movement amount of the fixed cross beam controlled by the worm gear pair and the steel wire rope is difficult to keep consistent, once deviation exists, the length of the released steel wire rope is insufficient to support the downward movement of the fixed cross beam when the worm gear pair controls the downward movement of the fixed cross beam, the normal lifting of the electrode is influenced at the moment, the horizontal position of the electrode is constant and not adjustable, and the worm gear pair is difficult to be suitable for arc furnaces with different specifications. Accordingly, there is a great need for an improvement over existing arc furnace electrode risers, providing an arc furnace electrode riser.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the electrode lifting device of the electric arc furnace, which has the advantages of reasonable design, simple structure, stable electrode lifting control and adjustable electrode horizontal position, and is used for solving the problems existing in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an arc furnace electrode lifting device, comprising:
the guide frame is rotatably mounted on the inner side of the guide frame, a servo motor is fixedly arranged at the top end of the guide frame, the output end of the servo motor penetrates through the guide frame and is fixedly connected with the top of the first screw, a connecting sleeve is sleeved on the outer side of the servo motor in a threaded manner, a fixed block is fixedly arranged on one side of the connecting sleeve, a second screw is arranged on one side of the top of the guide frame, the fixed block is rotatably sleeved on the outer side of the middle of the second screw, balancing weights are sleeved on the outer sides of the two ends of the second screw in a threaded manner, a supporting rod is hinged to one side of the balancing weights, and one end, far away from the balancing weights, of the supporting rod is rotatably sleeved on the outer side of the middle of the locking sleeve;
the limiting telescopic rod is fixedly arranged on one side, deviating from the fixed block, of the connecting sleeve, a connecting block is fixed at one end, far away from the connecting sleeve, of the limiting telescopic rod, a support is fixed at the periphery of the connecting block, and a locking sleeve is fixed at the other end of the support.
As a preferable implementation mode, the connecting sleeve forms a lifting sliding structure on the inner side of the guide frame through the first screw rod, the thread structures on the outer surfaces of the two ends of the second screw rod are reversely arranged, and the two balancing weights are symmetrically sleeved on the thread opposite positions of the two ends of the second screw rod respectively.
As a preferable implementation mode, a plurality of brackets are distributed in an annular array around the connecting block as a circle center, locking sleeves are arranged in a one-to-one correspondence with the brackets, and the locking sleeves are of a tubular structure.
As a preferred embodiment, bolts are mounted to the top outer walls of a plurality of the locking sleeves.
As a preferred implementation mode, the spacing telescopic link includes dead lever, logical groove, movable rod and lug, and the one end and the adapter sleeve of dead lever are fixed mutually through the welding, and logical groove has been seted up to the up end of dead lever, and the inside sliding connection of dead lever has the movable rod, and the movable rod is located the inside one end top of dead lever and is fixed with the lug.
As a preferable implementation mode, the protruding block is positioned at the inner side of the through groove, and one end of the movable rod, which is far away from the fixed rod, is welded and fixed on the outer wall of the connecting block.
Compared with the prior art, the utility model has the beneficial effects that:
in the scheme of the utility model:
the two balancing weights can be controlled to synchronously slide in opposite directions by controlling the rotation of the second screw rods with the reverse thread structures at the two ends, and at the moment, the two supporting rods can be used for pushing the movable rod, the connecting block, the bracket and the three locking sleeves to slide, so that the distance between the connecting block and the guide frame can be adjusted, the connecting block is conveniently positioned at the center of the electric arc furnace, and the lifting device is convenient to install and use for electric arc furnaces of different models and has wider application range;
connecting block, support and locking cover are located one side of guide frame, and fixed block, second lead screw and two balancing weights are then located the opposite side of guide frame, can play the balanced effect of counter weight, and the adapter sleeve atress of being convenient for is comparatively balanced to be convenient for when starting servo motor control first lead screw rotation, steerable adapter sleeve is in the inboard stable lift adjustment of carrying out of guide frame, also can improve the lifting stability of electrode stick simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and the following description will be made with reference to the drawings:
FIG. 1 is a schematic diagram of a three-dimensional front view structure of the present utility model;
FIG. 2 is a schematic diagram of a three-dimensional rear view structure of the present utility model;
FIG. 3 is a schematic view of a three-dimensional cross-section of the limit telescopic rod of the present utility model;
FIG. 4 is a schematic view of the structure of the present utility model in a working and use state;
fig. 5 is a schematic diagram of a moving state structure of a connecting block according to the present utility model.
In the figure:
1. a guide frame; 2. a first screw rod; 3. a servo motor; 4. connecting sleeves; 5. a fixed block; 6. a second screw rod; 7. balancing weight; 8. a support rod; 9. a limiting telescopic rod; 901. a fixed rod; 902. a through groove; 903. a movable rod; 904. a bump; 10. a connecting block; 11. a bracket; 12. a locking sleeve; 13. and (5) a bolt.
Detailed Description
The embodiments described below are only some of the embodiments of the present utility model and do not represent all embodiments consistent with the present utility model. Exemplary embodiments will now be described with reference to the accompanying drawings in which:
as shown in fig. 1 to 5, the electrode lifting device for an arc furnace of the present utility model comprises:
the guide frame 1, the first lead screw 2 is rotatably installed on the inner side of the guide frame 1, the servo motor 3 is fixedly arranged at the top end of the guide frame 1, the output end of the servo motor 3 penetrates through the guide frame 1 and is fixedly connected with the top of the first lead screw 2, the outer side thread of the servo motor 3 is sleeved with the connecting sleeve 4, one side of the connecting sleeve 4 is fixedly provided with the fixed block 5, the second lead screw 6 is arranged on one side of the top of the guide frame 1, the fixed block 5 is rotatably sleeved on the outer side of the middle of the second lead screw 6, the balancing weights 7 are sleeved on the outer sides of the two ends of the second lead screw 6, one side of the balancing weights 7 is hinged with the supporting rod 8, and one end, far away from the balancing weights 7, of the supporting rod 8 is rotatably sleeved on the outer side of the middle of the locking sleeve 12;
the limiting telescopic rod 9 is fixedly arranged on one side, deviating from the fixed block 5, of the connecting sleeve 4, a connecting block 10 is fixed on one end, far away from the connecting sleeve 4, of the limiting telescopic rod 9, a bracket 11 is fixed on the periphery of the connecting block 10, and a locking sleeve 12 is fixed on the other end of the bracket 11.
On the basis of the structure, the connecting sleeve 4 forms a lifting sliding structure on the inner side of the guide frame 1 through the first screw rod 2, the thread structures on the outer surfaces of the two ends of the second screw rod 6 are reversely arranged, and the two balancing weights 7 are respectively symmetrically sleeved at the thread opposite positions of the two ends of the second screw rod 6;
through the second lead screw 6 that both ends are equipped with reverse screw thread, can control two balancing weights 7 and slide the regulation according to opposite direction all the time to when two balancing weights 7 of control keep away from each other or are close to each other, can promote connecting block 10 to remove under the effect of two branch 8, can realize the regulation to connecting block 10 and guide frame 1 interval, make this electrode elevating gear can satisfy the electric arc furnace of different specification models and install the use.
On the basis of the structure, a plurality of brackets 11 are distributed in an annular array around the connecting block 10 as the circle center, locking sleeves 12 are arranged in one-to-one correspondence with the brackets 11, and the locking sleeves 12 are of a tubular structure;
by means of the arrangement of the support 11, the locking sleeves 12 are convenient to install, and the electrodes can be fixedly installed on the three locking sleeves 12, so that a plurality of electrodes can be fixedly installed at the same time.
On the basis of the structure, bolts 13 are arranged on the top outer walls of the locking sleeves 12;
the electrode is conveniently and firmly connected with the locking sleeve 12 by using the installation of the bolts 13.
On the basis of the structure, the limit telescopic rod 9 comprises a fixed rod 901, a through groove 902, a movable rod 903 and a convex block 904, one end of the fixed rod 901 is fixed with the connecting sleeve 4 through welding, the through groove 902 is formed in the upper end face of the fixed rod 901, the movable rod 903 is connected in a sliding manner in the fixed rod 901, and the convex block 904 is fixed above one end of the movable rod 903 in the fixed rod 901;
the sliding stability of the connection block 10 can be improved by the fixed rod 901 and the movable rod 903 which are slidably connected.
On the basis of the structure, the convex blocks 904 are positioned at the inner sides of the through grooves 902, and one end of the movable rod 903, which is far away from the fixed rod 901, is welded and fixed on the outer wall of the connecting block 10;
the sliding adjustment distance of the connecting block 10 is conveniently limited by the protruding block 904 and the opening of the through groove 902.
The working principle of the utility model is as follows:
when the lifting device is used, firstly, the guide frame 1 is fixedly arranged on the outer wall of an electric arc furnace in the existing mode, the second screw rod 6 with reverse thread structures at the two ends is manually rotated, the two balancing weights 7 are controlled to stably slide in opposite directions, the locking sleeve 12 and the connecting block 10 are pushed by the two supporting rods 8 to carry out movement adjustment, the connecting block 10 can drive the movable rod 903 to stretch out and draw back in the fixed rod 901, meanwhile, the sliding range of the movable rod 903 and the connecting block 10 is limited by the arrangement of the protruding blocks 904 and the through grooves 902, and the distance between the connecting block 10 and the guide frame 1 is adjusted, so that the connecting block 10 is conveniently positioned at the center of the electric arc furnace, and the lifting device is convenient to install and use for electric arc furnaces of different models;
then three electrodes are fixedly installed in three locking sleeves 12 in sequence by utilizing bolts 13, then a servo motor 3 fixed at the top of a guide frame 1 is started, under the rotation action of a first screw rod 2, a control connecting sleeve 4 drives the electrodes to synchronously move downwards, so that the electrodes extend into an electric arc furnace, a connecting block 10, a bracket 11, the locking sleeves 12 and the electrodes are positioned on one side of the guide frame 1, a fixing block 5, a second screw rod 6 and two balancing weights 7 are positioned on the other side of the guide frame 1, the balancing effect can be achieved, the stress of the connecting sleeve 4 is balanced, and the stability of the connecting sleeve 4 in the electrode lifting adjustment process can be improved.
Claims (6)
1. An arc furnace electrode lifting device, characterized by comprising:
the guide frame (1), the inboard rotation of guide frame (1) is installed first lead screw (2), the top of guide frame (1) is fixed and is equipped with servo motor (3), servo motor (3) output runs through guide frame (1) and with the top fixed connection of first lead screw (2), adapter sleeve (4) has been cup jointed to the outside screw thread of servo motor (3), one side of adapter sleeve (4) is fixed with fixed block (5), top one side of guide frame (1) is equipped with second lead screw (6), fixed block (5) rotate the cover and locate the middle part outside of second lead screw (6), the both ends outside of second lead screw (6) all screw thread cover is equipped with balancing weight (7), one side of balancing weight (7) articulates there is branch (8), the one end rotation cover that balancing weight (7) were kept away from to branch (8) is located the middle part outside of lock sleeve (12);
the limiting telescopic rod (9), one side of adapter sleeve (4) deviating from fixed block (5) is fixed to limiting telescopic rod (9), and one end that adapter sleeve (4) was kept away from to limiting telescopic rod (9) is fixed with connecting block (10), and the week side of connecting block (10) is fixed with support (11), and the other end of support (11) is fixed with locking sleeve (12).
2. The arc furnace electrode lifting device according to claim 1, wherein: the connecting sleeve (4) forms a lifting sliding structure on the inner side of the guide frame (1) through the first screw rod (2), the thread structures on the outer surfaces of the two ends of the second screw rod (6) are reversely arranged, and the two balancing weights (7) are respectively symmetrically sleeved at the thread opposite positions of the two ends of the second screw rod (6).
3. The arc furnace electrode lifting device according to claim 1, wherein: the brackets (11) are distributed in an annular array around the connecting block (10) as the circle center, the locking sleeves (12) are arranged in one-to-one correspondence with the brackets (11), and the locking sleeves (12) are of a tubular structure.
4. An electric arc furnace electrode lifting device according to claim 3, characterized in that: bolts (13) are arranged on the outer walls of the tops of the locking sleeves (12).
5. The arc furnace electrode lifting device according to claim 1, wherein: the limiting telescopic rod (9) comprises a fixed rod (901), a through groove (902), a movable rod (903) and a protruding block (904), one end of the fixed rod (901) is fixed with the connecting sleeve (4) through welding, the through groove (902) is formed in the upper end face of the fixed rod (901), the movable rod (903) is connected to the inside of the fixed rod (901) in a sliding mode, and the protruding block (904) is fixed above one end of the movable rod (903) inside the fixed rod (901).
6. The arc furnace electrode lifting device according to claim 5, wherein: the protruding block (904) is positioned at the inner side of the through groove (902), and one end of the movable rod (903) far away from the fixed rod (901) is welded and fixed on the outer wall of the connecting block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095231.2U CN220733048U (en) | 2023-08-04 | 2023-08-04 | Electrode lifting device of electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095231.2U CN220733048U (en) | 2023-08-04 | 2023-08-04 | Electrode lifting device of electric arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220733048U true CN220733048U (en) | 2024-04-05 |
Family
ID=90492085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322095231.2U Active CN220733048U (en) | 2023-08-04 | 2023-08-04 | Electrode lifting device of electric arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220733048U (en) |
-
2023
- 2023-08-04 CN CN202322095231.2U patent/CN220733048U/en active Active
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