CN210007253U - folding type maintenance platform for large current circuit of electric arc furnace - Google Patents
folding type maintenance platform for large current circuit of electric arc furnace Download PDFInfo
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- CN210007253U CN210007253U CN201921087217.5U CN201921087217U CN210007253U CN 210007253 U CN210007253 U CN 210007253U CN 201921087217 U CN201921087217 U CN 201921087217U CN 210007253 U CN210007253 U CN 210007253U
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Abstract
The utility model relates to an foldable maintenance platform that is used for electric arc furnace heavy current circuit, belong to metallurgical steel technical field, be used for overhauing the heavy current power supply line, including setting up canned paragraph maintenance vestibule and the folding platform in heavy current power supply line both sides, fixedly connected with support post on the canned paragraph maintenance vestibule, the end that the support post kept away from canned paragraph maintenance vestibule is provided with the leading wheel, the end of folding platform rotates to be connected on canned paragraph maintenance vestibule, end is fixed on support post through the rope in addition, be provided with drive arrangement on the canned paragraph maintenance vestibule, the end that folding platform kept away from canned paragraph maintenance vestibule is connected with the transmission line body, the transmission line body is walked around the leading wheel and is connected with drive arrangement.
Description
Technical Field
The utility model belongs to the technical field of metallurgical steel, a foldable maintenance platform that is used for electric arc furnace heavy current circuit is related to .
Background
When the existing steelmaking electric arc furnace and the ladle refining furnace are produced, the working current of a large-current power supply line is tens of thousands of amperes, the magnetic field induction and the electromagnetic vibration force generated by the large-current line cause the power supply line and various metal objects around the power supply line to generate heat by induction, the electromagnetic vibration force causes joints such as bolts and the like to be loosened due to vibration, and the water leakage phenomenon generated by the looseness of a cooling water pipe clamp due to the vibration is frequent.
During smelting, various conductive metal dusts can be accumulated on a high-current circuit, so that the grounding short circuit phenomenon of a power supply circuit is caused, the normal production operation is interfered, and the cleaning, the maintenance and the overhaul must be carried out regularly.
Because the heavy current power supply line of electric arc furnace and refining furnace all adopts the overhead to go out the wall and arranges, apart from operating platform tens meters above, the power supply line reciprocates frequently at the smelting in-process, consequently directly sets up fixed maintenance platform difficult, and is closer apart from the heavy current circuit moreover, and magnetic field induction is stronger more, and the electromagnetic force is also big more, and equipment generates heat and vibrations are serious more, causes the reactive power loss of power supply electric energy also big more.
In the maintenance of the large-current power supply line of the existing electric arc furnace and refining furnace, during the shutdown maintenance of a factory, a scaffold device is temporarily manually built, after the scaffold device is manually climbed to a wall outlet position of a line, the scaffold device is disassembled after the large-current line fault is processed; by adopting the mode for operation, the labor intensity of workers is high, the working efficiency is low, and the continuous production of smelting is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing kind of foldable maintenance platforms that are used for electric arc furnace heavy current circuit, and this application has solved the problem of smelting production interrupt because of the periodic maintenance causes through setting up foldable platform at the front end of fixed segment maintenance vestibule, has reduced the auxiliary time who overhauls, has improved maintenance work efficiency.
In order to achieve the above purpose, the utility model provides a following technical scheme:
folding type maintenance platform for large current circuit of arc furnace, which is used for maintaining large current power supply circuit, comprises fixed section maintenance gallery arranged at two sides of large current power supply circuit and folding platform connected on it;
the fixed section overhaul corridor is fixedly connected with a support upright post, and the end of the support upright post, which is far away from the fixed section overhaul corridor, is provided with a guide wheel;
the end of the folding platform, which is far away from the fixed section overhaul corridor, is connected with a transmission line body;
the driving line body is connected with the fixed section maintenance corridor by bypassing the guide wheel, and the folding platform rotates around the fixed section maintenance corridor under the action of the driving line body.
Optionally, a rope is connected to the folding platform, and the other end of the rope is connected to the support pillar.
Optionally, the ropes are symmetrically arranged on both sides of the folding platform.
Optionally, a plurality of connecting pieces for connecting the rope and the transmission line body are arranged on the folding platform, and the connecting pieces are fixedly connected with ends of the rope and the transmission line body.
Optionally, the end of canned paragraph maintenance vestibule is connected with loose bearing, folding platform passes through loose bearing and rotates the connection on canned paragraph maintenance vestibule.
Optionally, the drive line body is a chain, and the guide wheel is a sprocket.
Optionally, the leading wheel is connected with the pivot, the pivot runs through the leading wheel and rather than fixed connection, the both ends of pivot are rotated and are connected on the support post.
Optionally, a safety protection railing is arranged on the fixed section overhaul gallery and/or the folding platform.
Optionally, a driving device is arranged on the fixed section maintenance corridor and connected with the transmission line body.
Optionally, the drive means is an electric hoist.
Optionally, the rope is a flexible steel strand.
The beneficial effects of the utility model reside in that:
1. the utility model discloses a set up the maintenance platform on transformer wall, realized the electrified maintenance of heavy current power supply line, not only solved because of the problem of smelting production interruption that the periodic overhaul caused, reduced the assistance-time of maintenance moreover, improved maintenance work efficiency.
2. The utility model discloses a front end at the canned paragraph maintenance vestibule sets up folding platform, has realized that during the non-maintenance, it is folding to overhaul the platform, aspect have solved the problem that generates heat and vibrations because of the platform equipment that magnetic field induction caused, aspect has reduced the reactive power loss of the electric energy in the power supply line in addition, has reduced energy resource consumption.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of foldable maintenance platforms for large current lines of electric arc furnaces according to the present invention;
fig. 2 is the structural schematic diagram of the high-current power supply line of the present invention.
The reference signs are a large-current power supply line 1, a fixed-section overhaul corridor 2, a movable bearing 3, a folding platform 4, a supporting upright post 5, a chain 6, a guide wheel 7, an electric winch 8, a flexible steel strand 9, an -th safety protection railing 10, a second safety protection railing 11, a working overhaul position 12 and a standby stop position 13.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The embodiment of the invention relates to folding type maintenance platforms for large-current lines of electric arc furnaces, and the folding type maintenance platforms comprise a fixed section maintenance corridor 2 and a folding platform 4 which are arranged on two sides of a large-current power supply line 1, wherein the front end of the upper side of the fixed section maintenance corridor 2 is fixedly connected with a supporting upright post 5, the top end of the supporting upright post 5 is provided with a guide wheel 7, the guide wheel 7 is sleeved on a rotating shaft and is fixedly connected with the rotating shaft, two ends of the rotating shaft are rotatably connected to the supporting upright post 5, the front end of the fixed section maintenance corridor 2 is connected with a movable bearing 3, the rear end of the folding platform 4 is rotatably connected to the front end of the fixed section maintenance corridor 2 through the movable bearing 3, the end of the folding type maintenance platform is fixed to the supporting upright post 5 through a rope, the rope is a flexible steel stranded wire 9, the rope is symmetrically arranged on two sides of the folding platform 4, the front end of the folding platform 4 is connected with a transmission line body, the transmission line body is a chain 6, the guide wheel 7 is a chain wheel, the transmission line body bypasses the guide wheel 7 and is connected with a driving device, the driving device is an electric winch 8, the folding.
Preferably, a plurality of connecting pieces for connecting the flexible steel strand 9 and the chain 6 are arranged on two sides of the folding platform 4, and the ends of the flexible steel strand 9 and the chain 6 are fixedly connected with the connecting pieces.
The construction process of the application is as follows:
arranging wall-type fixed-section maintenance galleries 2 on transformer walls on two sides of a large-current power supply line 1 of an electric arc furnace or a refining furnace; a movable bearing 3 for assembling a folding platform 4 is arranged at the front end of the fixed section overhaul corridor 2; a supporting upright post 5 for assembling a guide wheel 7 and a flexible steel strand 9 is arranged at the upper part of the fixed section overhaul corridor 2; a folding platform 4 is arranged at the front end of the movable bearing 3, and the front end of the folding platform 4 is connected to an electric winch 8 at the rear part of the fixed section overhaul gallery 2 through a chain 6 and a guide wheel 7 assembled on a support upright post 5; simultaneously, the front end of folding platform 4 is connected with support post 5 through flexible steel strand wires 9, installs the safety protection railing that is used for the guarantee to bear the weight of maintainer's safety work on fixed segment maintenance vestibule 2 and folding platform 4.
The foldable maintenance and repair platform is adopted for operation, the labor intensity of workers is greatly reduced, the working efficiency is improved, the thermal shutdown maintenance time of the electric arc furnace and the refining furnace is shortened, and the continuity and the reliability of smelting production are guaranteed.
The wall-type fixed-section overhaul corridor 2 is arranged on transformer walls on two sides of a large-current power supply line 1 of an electric arc furnace or a refining furnace and used for enabling maintainers to enter a working overhaul position 12;
the movable bearing 3 is arranged at the front end of the fixed section overhaul corridor 2 and used for assembling the folding platform 4;
the upper part of the fixed section overhaul gallery 2 is provided with a support upright post 5 for assembling a guide wheel 7 and a flexible steel strand 9;
the front end of the folding platform 4 is connected to an electric winch 8 at the rear part of the fixed section maintenance gallery 2 through a chain 6 and a guide wheel 7 assembled on the support upright post 5, the chain 6 can be used for preventing the front end of the folding platform 4 from winding downwards, and the chain is rigid and has stable and reliable transmission;
the selection of the working maintenance position 12 and the standby stop position 13 of the folding platform 4 is realized by controlling the forward rotation and the reverse rotation of the electric winch 8, the maintenance platform is folded during the non-maintenance period, the problems of heating and vibration of platform equipment caused by magnetic field induction are solved in the aspect of , the reactive loss of electric energy in a power supply line is reduced in the aspect of , and the energy consumption is reduced;
the flexible steel strand 9 is arranged at the front end of the folding platform 4 and connected with the supporting upright post 5, so that the reliability of the folding platform 4 is improved, and the stability of the platform is improved;
safety protection railings are arranged on the fixed section maintenance corridor 2 and the folding platform 4, so that the safety of the platform is improved, and the working safety of maintenance personnel is guaranteed.
The folding type maintenance and maintenance platform is adopted for operation, so that the labor intensity of workers can be greatly reduced, the working efficiency is improved, the thermal shutdown maintenance time of the electric arc furnace and the refining furnace is reduced, the continuity and the reliability of smelting production are guaranteed, meanwhile, the damage to the maintenance platform due to the magnetic induction phenomenon is avoided, and the reactive loss of a power supply circuit is reduced.
Therefore, the foldable maintenance platform for the large-current circuit of the electric arc furnace has important guiding significance for improving the maintenance work efficiency of the electric arc furnace or the refining furnace.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (10)
- The utility model relates to a foldable maintenance platform for a large-current circuit of an electric arc furnace, which is used for maintaining the large-current power supply circuit and is characterized by comprising a fixed section maintenance corridor arranged at two sides of the large-current power supply circuit and a foldable platform rotationally connected with the fixed section maintenance corridor;the fixed section overhaul corridor is fixedly connected with a support upright post, and the end of the support upright post, which is far away from the fixed section overhaul corridor, is provided with a guide wheel;the end of the folding platform, which is far away from the fixed section overhaul corridor, is connected with a transmission line body;the driving line body is connected with the fixed section maintenance corridor by bypassing the guide wheel, and the folding platform rotates around the fixed section maintenance corridor under the action of the driving line body.
- 2. The folding service platform for high current lines in an electric arc furnace of claim 1, wherein a cable is further connected to the folding service platform, the other end of the cable being connected to a support post.
- 3. The folding service platform for high current lines in an electric arc furnace of claim 2, wherein said cables are symmetrically disposed on opposite sides of the folding service platform.
- 4. The folding service platform for large current lines in electric arc furnaces of claim 2, wherein said folding service platform has connectors for connecting the cable and the wire drive body, said connectors are fixedly connected to ends of the cable and the wire drive body.
- 5. The folding service platform for high current lines in an electric arc furnace of claim 1, wherein a movable bearing is attached to the end of the fixed length service aisle and the folding platform is pivotally attached to the fixed length service aisle via the movable bearing.
- 6. The folding service platform for large current lines in electric arc furnaces of claim 1, wherein the drive line is a chain and the guide wheel is a sprocket.
- 7. The folding service platform for large current lines in electric arc furnaces as claimed in claim 1, wherein the guide wheels are connected with a rotating shaft, the rotating shaft penetrates through the guide wheels and is fixedly connected with the guide wheels, and two ends of the rotating shaft are rotatably connected with the supporting columns.
- 8. The folding service platform for electric arc furnace high current lines of claim 1, wherein safety guard rails are provided on the fixed segment service corridor and/or folding platform.
- 9. The folding service platform for large current lines of electric arc furnaces as claimed in claim 1, wherein the fixed section service corridor is provided with a driving device, and the driving device is connected with a transmission line body.
- 10. The folding service platform for large current lines in electric arc furnaces of claim 9, wherein said drive means is an electric hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087217.5U CN210007253U (en) | 2019-07-11 | 2019-07-11 | folding type maintenance platform for large current circuit of electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087217.5U CN210007253U (en) | 2019-07-11 | 2019-07-11 | folding type maintenance platform for large current circuit of electric arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210007253U true CN210007253U (en) | 2020-01-31 |
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ID=69310587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921087217.5U Active CN210007253U (en) | 2019-07-11 | 2019-07-11 | folding type maintenance platform for large current circuit of electric arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210007253U (en) |
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2019
- 2019-07-11 CN CN201921087217.5U patent/CN210007253U/en active Active
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