CN211626104U - Electric arc furnace cover body lifting device matched with composite converting technology - Google Patents
Electric arc furnace cover body lifting device matched with composite converting technology Download PDFInfo
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- CN211626104U CN211626104U CN201922318480.7U CN201922318480U CN211626104U CN 211626104 U CN211626104 U CN 211626104U CN 201922318480 U CN201922318480 U CN 201922318480U CN 211626104 U CN211626104 U CN 211626104U
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Abstract
The utility model discloses an electric arc furnace lid elevating gear who matches compound converting technique, including two support columns, lifting gearing and elevating gear, the bottom fixed mounting of two support columns has the bottom plate, install the floor between support column and the bottom plate, the mid-mounting of support column has two crossbeams, install the lifting arm on the crossbeam, the girder is installed at the top of support column, install lifting gearing on the girder, link together through the spliced pole between two support columns, the middle-end of two support columns is still vertical installs a guide pillar, be in the same place through fixed column fixed connection between support column and the guide pillar. The utility model is used for on the bell of electric arc furnace, can open the bell of high temperature through elevating gear and lifting arm, be convenient for empty the molten iron in the electric arc furnace.
Description
Technical Field
The utility model relates to an electric arc furnace technical field specifically says to an electric arc furnace lid elevating gear who matches compound converting technique.
Background
An electric arc furnace (electric arc furnace) is an electric furnace for melting ores and metals using high temperatures generated by an electrode arc. 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. With the improvement of electric arc furnace equipment and the improvement of smelting technology, the cost of electric arc furnace steel making is continuously reduced along with the development of the power industry. Electric arc furnaces can be classified into three-phase electric arc furnaces, consumable electric arc furnaces, single-phase electric arc furnaces, resistance electric arc furnaces, and the like, in terms of the form of an electric arc. 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.
In the existing industry, the mode of uncovering the electric arc furnace is mostly that a crane hook catches a furnace cover to open a boiler, so that the furnace cover can sway in the air, workers are easily scalded, and great potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned not enough, the utility model provides an electric arc furnace lid elevating gear who matches compound converting technique herein, the device in use can carry out convenient upper and lower promotion with the bell to when the outage, can not lead to the bell to fall suddenly and injure the staff who adds the material in toward the electric arc furnace.
The utility model is realized in such a way that an electric arc furnace cover body lifting device matched with a composite converting technology is constructed, which comprises two supporting columns, a lifting transmission device and a lifting device;
the bottom ends of the two support columns are fixedly provided with a bottom plate, a rib plate is arranged between the support columns and the bottom plate, the middle parts of the support columns are slidably provided with two cross beams, lifting arms are arranged on the cross beams, the tops of the support columns are provided with cross beams, and lifting transmission devices are arranged on the cross beams;
the two support columns are connected together through a connecting column, a guide column is further vertically mounted at the middle ends of the two support columns, and the support columns are fixedly connected with the guide column through fixing columns.
Furthermore, the lifting device comprises a lifting arm, a cross beam, a transmission rod, a movable pulley, a buffer mechanism, a roller and a lifting arm moving mechanism;
the two beams are connected between the two support columns in a sliding mode through supports and rollers, and the two lifting arms are arranged between the two beams in a left-right sliding mode respectively;
the transmission rod is transversely arranged on the brackets at the upper ends of the two cross beams, and the left side and the right side of the transmission rod are respectively provided with a movable pulley;
the buffer mechanism is fixedly arranged at the upper end of the middle part of the cross beam.
Further, the lifting arm moving mechanism comprises a first driving device, a turbine transmission system, a worm, a screw shaft and a bearing seat;
the first driving device is vertically installed on one side of the upper end of the girder, the lower end of the first driving device is connected with a worm, and the other end of the worm is installed on the bottom plate through a bearing and is arranged on the inner side of the supporting column;
the turbine transmission system is fixedly arranged on the cross beam of the lifting device, a turbine in the turbine transmission system is matched with the worm, and the other gear is fixedly connected with one end of the screw shaft through the transmission of the turbine and the bevel gear.
The screw shaft is connected with the lifting arm through spiral connection, one end of the screw shaft is connected with the turbine transmission system, the other end of the screw shaft is installed on the supporting column through a bearing, and the bearing seat is fixedly installed on the screw shaft through the bearing and is fixed on the cross beam.
Furthermore, two screws with opposite rotation directions are arranged on the left side and the right side of the screw shaft and are respectively connected with the two lifting arms.
Furthermore, the lifting transmission device comprises a steel wire rope, two fixed pulleys, a buffer belt, a coupler, a second driving device, two pull rings and a balancing weight;
the second driving device is arranged at one end of the top of the girder, and the other side of the top of the girder is respectively provided with a coupling, a fixed pulley, a buffer belt, a fixed pulley and a first driving device;
the two pull rings are respectively and fixedly arranged on two sides of the bottom of the girder and respectively correspond to the fixed pulleys;
one end of the steel wire rope is fixed on the pull ring, and the other end of the steel wire rope penetrates through the movable pulley and is wound and fixed on the fixed pulley at the upper end of the girder;
the balancing weight is connected to the rear end of the supporting column in a sliding mode, one end of the buffer belt is fixed to the balancing weight, and the other end of the buffer belt penetrates through an output shaft connected with the second driving device and is fixed to a buffer mechanism in the lifting device.
Furthermore, height limiting blocks are further installed on two sides of the bottom of the crossbeam.
Further, the lifting device is made of high-temperature-resistant materials.
The utility model discloses following beneficial effect has:
the utility model discloses convenient operation, reasonable in design, in use not only can be convenient reciprocate the bell, the staff of being convenient for in the inside material of adding of electric arc furnace and get rid of inside molten iron, can also protect the staff and prevent that the outage suddenly leads to the bell to fall suddenly and injure the staff by a crashing object when adding the material.
The utility model discloses in, can reduce the pulling force that the girder bore through reasonable design movable pulley and fixed pulley group, reduce second drive arrangement's consumption.
Through the mobile device of reasonable design lifting arm can be convenient remove the lifting arm, guarantee that the lifting arm is placed and can promote with the bell bottom.
The lifting arm moving transmission mechanism is reasonably designed to prevent the driving device from being too close to the electric arc furnace at the lower end, so that the working driving device is protected.
The height limiting block can prevent the furnace cover from being away from the girder by a certain distance when being lifted, and the furnace cover with higher temperature is placed to damage the driving device on the girder.
Through reasonable design buffer gear, buffer zone and balancing weight can protect the staff to prevent to cut off the power supply suddenly and lead to the bell to drop down suddenly and injure the staff when adding the material suddenly.
Drawings
Fig. 1 is a schematic structural view of the utility model;
fig. 2 is a front view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a top view of the present invention;
fig. 5 is a schematic view of a transmission structure of the lift arm moving device of the present invention;
FIG. 6 is an enlarged partial schematic view of A in FIG. 2;
FIG. 7 is a partially enlarged view of B in FIG. 3
In the figure: 1. a base plate; 2. A rib plate; 3. a support pillar; 4. connecting columns; 5. fixing a column; 6. a balancing weight; 7. a lift arm; 8. A cross beam; 9. a transmission rod; 10. a movable pulley; 11. a wire rope; 12. a height limiting block; 13. a first driving device; 14. a fixed pulley; 15. a buffer zone; 16. a coupling; 17. a second driving device; 18. a pull ring; 19. a turbine drive train; 20. a worm; 21. a screw shaft; 22. a bearing seat; 23. a roller; 24. a guide post; 25. a buffer mechanism.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.
The utility model discloses an improve and provide an electric arc furnace lid elevating gear who matches compound converting technique here, can implement according to following mode: an electric arc furnace cover body lifting device matched with a composite converting technology comprises two supporting columns 3, a lifting transmission device and a lifting device;
the bottom ends of the two support columns 3 are fixedly provided with a bottom plate 1, a rib plate 2 is arranged between the support columns 3 and the bottom plate 1, the middle parts of the support columns 3 are slidably provided with two cross beams 8, the cross beams 8 are provided with lifting arms 7, the tops of the support columns 3 are provided with cross beams, and the cross beams are provided with lifting transmission devices;
the two support columns 3 are connected together through a connecting column 4, a guide column 24 is further vertically mounted at the middle ends of the two support columns 3, and the support columns 3 and the guide column 24 are fixedly connected together through fixing columns 5.
In the embodiment, the lifting device comprises a lifting arm 7, a cross beam 8, a transmission rod 9, a movable pulley 10, a buffer mechanism 25, a roller 23 and a lifting arm moving mechanism;
the two cross beams 8 are connected between the two support columns 3 in a sliding manner through a support and a roller 23, and the two lifting arms 7 are respectively installed between the two cross beams 8 in a left-right sliding manner;
the transmission rod 9 is transversely installed on the brackets at the upper ends of the two cross beams 8, and the left side and the right side of the transmission rod 9 are respectively provided with a movable pulley 10;
the buffer mechanism 25 is fixedly arranged at the upper end of the middle part of the cross beam 8.
In the present embodiment, the lift arm moving mechanism includes a first driving device 13, a worm gear transmission system 19, a worm 20, a screw shaft 21, and a bearing housing 22;
the first driving device 13 is vertically installed on one side of the upper end of the girder, the lower end of the first driving device 13 is connected with a worm 20, and the other end of the worm 20 is installed on the bottom plate 1 through a bearing and is placed on the inner side of the supporting column 3;
the turbine transmission system 19 is fixedly arranged on the cross beam 8 of the lifting device, a turbine in the turbine transmission system is matched with the worm 20, and the other gear is fixedly connected with one end of the screw shaft 21 through the transmission of the turbine and a bevel gear.
The screw shaft 21 is connected with the lifting arm 7 through a spiral connection, one end of the screw shaft 21 is connected with the turbine transmission system 19, the other end of the screw shaft is installed on the supporting column 3 through a bearing, and the bearing seat 22 is fixedly installed on the screw shaft 21 and is fixed on the cross beam 8.
In this embodiment, the screw shaft 21 has two screws with opposite rotation directions on the left and right sides, and the screws are respectively connected to the two lifting arms 7.
In this embodiment, the lifting transmission device includes a steel wire rope 11, two fixed pulleys 14, a buffer belt 15, a coupler 16, a second driving device 17, two pull rings 18 and a counterweight 6;
the second driving device 17 is arranged at one end of the top of the girder, and the other side of the top of the girder is respectively provided with a coupling 16, a fixed pulley 14, a buffer belt 15, a fixed pulley 14 and a first driving device 13;
the two pull rings 18 are respectively and fixedly arranged on two sides of the bottom of the girder and respectively correspond to the fixed pulleys 14;
one end of the steel wire rope 11 is fixed on the pull ring 18, and the other end of the steel wire rope passes through the movable pulley 10 and is wound and fixed on the fixed pulley 14 at the upper end of the girder;
the balancing weight 6 is connected to the rear end of the supporting column 3 in a sliding manner, one end of the buffer belt 15 is fixed to the balancing weight 6, and the other end of the buffer belt passes through an output shaft connected with the second driving device 17 and is fixed to a buffer mechanism 25 in the lifting device.
In the embodiment, height limiting blocks 12 are further mounted on two sides of the bottom of the girder.
In this embodiment, the lifting device is made of high temperature resistant material.
When the furnace cover is used, the worm 20 is rotated through the second driving device 17, the worm 20 drives the screw shaft 21 to rotate through the turbine transmission system 19, the lifting arm 7 is moved to the lower end of the furnace cover, the first driving device 13 is driven to drive the fixed pulley 14 on the output shaft to rotate, the steel wire rope 11 wound on the fixed pulley 14 pulls the lifting device at the lower end to ascend, namely the lifting arm 7 and the furnace cover are driven to lift, the opening of the furnace cover is completed, meanwhile, the counterweight block 6 descends due to gravity, the protection effect is achieved, and the operation is performed towards the opposite direction during the closing process.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An electric arc furnace cover body lifting device matched with a composite converting technology is characterized by comprising two supporting columns (3), a lifting transmission device and a lifting device;
the bottom ends of the two supporting columns (3) are fixedly provided with a bottom plate (1), a rib plate (2) is arranged between the supporting columns (3) and the bottom plate (1), the middle parts of the supporting columns (3) are slidably provided with two cross beams (8), the cross beams (8) are provided with lifting arms (7), the tops of the supporting columns (3) are provided with girders, and the girders are provided with lifting transmission devices;
the two support columns (3) are connected together through the connecting column (4), the middle ends of the two support columns (3) are also vertically provided with a guide column (24), and the support columns (3) and the guide column (24) are fixedly connected together through the fixing column (5).
2. The electric arc furnace cover lifting device matched with the compound converting technology according to claim 1, wherein the lifting device comprises a lifting arm (7), a cross beam (8), a transmission rod (9), a movable pulley (10), a buffer mechanism (25), a roller (23) and a lifting arm moving mechanism;
the two beams (8) are connected between the two supporting columns (3) in a sliding manner through a bracket and a roller (23), and the two lifting arms (7) are respectively installed between the two beams (8) in a left-right sliding manner;
the transmission rod (9) is transversely arranged on a bracket at the upper end of the two cross beams (8), and the left side and the right side of the transmission rod (9) are respectively provided with a movable pulley (10);
the buffer mechanism (25) is fixedly arranged at the upper end of the middle part of the cross beam (8).
3. The electric arc furnace cover lifting device matched with the compound converting technology of claim 2, wherein the lifting arm moving mechanism comprises a first driving device (13), a turbine transmission system (19), a worm (20), a screw shaft (21) and a bearing seat (22);
the first driving device (13) is vertically installed on one side of the upper end of the girder, the lower end of the first driving device (13) is connected with a worm (20), and the other end of the worm (20) is installed on the bottom plate (1) through a bearing and is placed on the inner side of the supporting column (3);
the turbine transmission system (19) is fixedly arranged on a cross beam (8) of the lifting device, a turbine in the turbine transmission system is matched with the worm (20), and the other gear is fixedly connected with one end of a screw shaft (21) through the transmission of the turbine and a bevel gear;
the screw shaft (21) is connected with the lifting arm (7) through a screw connection, one end of the screw shaft (21) is connected with the turbine transmission system (19), the other end of the screw shaft is installed on the supporting column (3) through a bearing, and the bearing seat (22) is fixedly installed on the screw shaft (21) through a bearing and is fixed on the cross beam (8).
4. The electric arc furnace cover lifting device matched with the combined converting technology of claim 3, wherein the screw shaft (21) is provided with two screws with opposite rotation directions at the left side and the right side, and the two screws are respectively connected with the two lifting arms (7).
5. The electric arc furnace cover lifting device matched with the compound converting technology of claim 1, wherein the lifting transmission device comprises a steel wire rope (11), two fixed pulleys (14), a buffer belt (15), a coupler (16), a second driving device (17), two pull rings (18) and a balancing weight (6);
the second driving device (17) is installed at one end of the top of the girder, and a coupler (16), a fixed pulley (14), a buffer belt (15), the fixed pulley (14) and the first driving device (13) are installed at the other side of the top of the girder;
the two pull rings (18) are respectively and fixedly arranged on two sides of the bottom of the girder and respectively correspond to the fixed pulleys (14);
one end of the steel wire rope (11) is fixed on the pull ring (18), and the other end of the steel wire rope passes through the movable pulley (10) and is wound and fixed on the fixed pulley (14) at the upper end of the girder;
the balancing weight (6) is connected to the rear end of the supporting column (3) in a sliding mode, one end of the buffer belt (15) is fixed to the balancing weight (6), and the other end of the buffer belt penetrates through an output shaft connected with the second driving device (17) and is fixed to a buffer mechanism (25) in the lifting device.
6. The electric arc furnace cover lifting device matched with the compound converting technology is characterized in that height limiting blocks (12) are further installed on two sides of the bottom of the crossbeam.
7. The electric arc furnace cover lifting device matched with the combined converting technology of claim 1, wherein the lifting device is made of high-temperature resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922318480.7U CN211626104U (en) | 2019-12-23 | 2019-12-23 | Electric arc furnace cover body lifting device matched with composite converting technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922318480.7U CN211626104U (en) | 2019-12-23 | 2019-12-23 | Electric arc furnace cover body lifting device matched with composite converting technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211626104U true CN211626104U (en) | 2020-10-02 |
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ID=72630853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922318480.7U Active CN211626104U (en) | 2019-12-23 | 2019-12-23 | Electric arc furnace cover body lifting device matched with composite converting technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211626104U (en) |
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2019
- 2019-12-23 CN CN201922318480.7U patent/CN211626104U/en active Active
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