CN111960265B - Carbon sleeve furnace roller replacing device and application method thereof - Google Patents
Carbon sleeve furnace roller replacing device and application method thereof Download PDFInfo
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- CN111960265B CN111960265B CN202010807199.4A CN202010807199A CN111960265B CN 111960265 B CN111960265 B CN 111960265B CN 202010807199 A CN202010807199 A CN 202010807199A CN 111960265 B CN111960265 B CN 111960265B
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- furnace roller
- support
- carbon sleeve
- wire rope
- carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a carbon sleeve furnace roller replacing device which comprises a clamp and a lifting appliance, wherein one end of the clamp is connected to a lifting beam of the lifting appliance, the other end of the clamp is provided with a carbon sleeve furnace roller, the clamp comprises a support, a clamping plate and a jackscrew, the support is fixedly connected to the lifting beam, the clamping plate is inserted into the support, and the jackscrew penetrates through the support and is connected to the clamping plate. The support is hollow structure, and two splint set up from top to bottom in the cavity of support, be equipped with the screw hole with jackscrew adaptation on the lateral wall of support, the screw hole on the support is passed to the one end of jackscrew is connected on splint, and rotatory jackscrew can drive splint reciprocates. The lifting appliance comprises a lifting lug, a steel wire rope I, a steel wire rope II, a counterweight and a lifting beam, wherein the other end of the steel wire rope I is connected with one end of the lifting beam, the other end of the lifting beam is connected with one end of the steel wire rope II, the other end of the steel wire rope II is connected to the lifting lug, and the counterweight is slidably connected to the lifting beam. The invention also discloses a using method of the carbon sleeve furnace roller replacing device.
Description
Technical Field
The invention belongs to the technical field of steel rolling metallurgy, and particularly relates to a carbon sleeve furnace roller replacing device and a using method thereof, which can realize the efficient and safe replacement of an online carbon sleeve furnace roller at a high furnace temperature.
Background
In the production process of the horizontal continuous annealing furnace for the middle-low and middle-high grade silicon steel, the problem that the pit is generated on the surface of the strip steel due to the nodulation of the carbon sleeve roller, the problem of strip steel flanging and edge wave caused by abnormal abrasion of the carbon sleeve roller, the problem of transverse crease on the surface of the strip steel caused by bending deformation of the roller core of the carbon sleeve roller at high temperature, and the like are solved, meanwhile, the carbon sleeve roller needs to be replaced on line due to the multiple reasons such as cracking and the like in the production, if the carbon sleeve roller is opened through cooling, the shutdown time which is longer than 2-3 days is needed, the continuous machine set and any production line cannot endure, but if the furnace roller is replaced on line, the replacement can be considered because the furnace temperature is generally reduced to about 600-700 ℃, if the shutdown time is prolonged greatly due to the lower furnace temperature, the high temperature of 600-700 ℃, the carbon sleeve roller is extracted from the furnace, and the whole extraction and return process is extremely dangerous.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the carbon sleeve furnace roller replacing device which is simple in structure and convenient to use, and can realize efficient and safe replacement of the on-line carbon sleeve furnace roller at a high furnace temperature state.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the utility model provides a carbon sleeve furnace roller changing device, includes anchor clamps and hoist, and the one end of anchor clamps is connected on the hanging beam of hoist, and carbon sleeve furnace roller is placed to the other end of anchor clamps, and anchor clamps include support, splint and jackscrew, support fixed connection on the hanging beam, and splint peg graft in the support, and the jackscrew passes the support and connects on the splint.
Further, the support is hollow structure, and two splint set up from top to bottom in the cavity of support, be equipped with the screw hole with jackscrew adaptation on the lateral wall of support, the screw hole on the support is passed to the one end of jackscrew is connected on splint, and rotatory jackscrew can drive splint and reciprocate.
Further, the fixture further comprises a protective sleeve, wherein the protective sleeve is of an arc structure, one end of the protective sleeve is connected to the support, and the other end of the protective sleeve is inserted below the carbon sleeve furnace roller.
Further, the protective sleeve is rotatably connected to the end of the support through a bearing, a handle is arranged at one end, close to the support, of the protective sleeve, and the protective sleeve is pulled to rotate around the axis of the support.
Further, hoist includes lug, wire rope I, wire rope II and hanging beam, and wire rope I's one end is connected on the lug, and wire rope I's the other end is connected with the one end of hanging beam, and the other end of hanging beam is connected with wire rope II's one end, and wire rope II's the other end is connected on the lug.
Further, the lifting appliance further comprises a counterweight, and the counterweight is connected to the lifting beam in a sliding manner.
Further, an electric hoist for adjusting the counterweight is arranged on the steel wire rope II, a guide chain is arranged on the electric hoist, one end of the guide chain is connected to the electric hoist, and the other end of the guide chain is connected with the counterweight.
Further, the hoist is including still wrapping support I and support II that are used for fixed wire rope, and support I installs the one end that is close to anchor clamps on the hanging beam, and support II installs the other end at the hanging beam, and the one end of wire rope I is connected on the lug, and the other end of wire rope I is connected on support I, and the one end of wire rope II is connected on the lug, and the other end of wire rope II is connected on support II.
Based on the carbon sleeve furnace roller replacing device, the invention also relates to a using method of the carbon sleeve furnace roller replacing device, which comprises the steps of removing an old carbon sleeve furnace roller and installing a new carbon sleeve furnace roller; when the carbon sleeve furnace roller is taken, the whole carbon sleeve furnace roller replacing device is hung on a crane through a lifting lug and moves to the carbon sleeve furnace roller which is close to a furnace and needs to be replaced, after a furnace roller bearing seat fixing bolt is disassembled, a lifting appliance is moved to insert a protective sleeve below the carbon sleeve furnace roller through a furnace roller hole, the roller body of the carbon sleeve furnace roller is contained in the protective sleeve, the furnace roller shaft of the carbon sleeve furnace roller is inserted into two clamping plates, jackscrews are fastened, and then a counterweight is slightly swung up and down through an adjusting hoist, so that the carbon sleeve furnace roller is positioned at a horizontal position, and then the carbon sleeve furnace roller is gradually pulled out by a translational crane.
Further, when the new carbon sleeve furnace roller is installed, the new carbon sleeve furnace roller is placed in the lifting appliance, the roller body of the carbon sleeve furnace roller is placed in the protective sleeve, the jackscrews are fastened after the roller shafts of the carbon sleeve furnace roller are inserted into the two clamping plates, the crane is slowly lifted, after the crane is regulated to enable the carbon sleeve furnace roller to keep horizontal, the crane is moved to gradually plug the carbon sleeve furnace roller into the furnace roller holes, after the carbon sleeve furnace roller completely enters the furnace, the jackscrews are unscrewed and gradually leave the clamping plates, the handle is manually pulled to enable the protective sleeve to rotate around the outer wall of the clamp until the protective sleeve rotates to the upper part of the roller body of the carbon sleeve furnace roller, the furnace roller is in place at the moment, the carbon sleeve roller bearing seat is assembled again, and therefore the replacement of the carbon sleeve furnace roller is completed.
The technical scheme of the invention has the advantages that:
1. the clamp is provided with the protective sleeve, so that the carbon sleeve is thoroughly prevented from contacting a furnace body and a human body from contacting a high-temperature carbon sleeve, and meanwhile, similar lifting appliances in other areas are improved and changed, so that the clamp can be better used for replacing the carbon sleeve furnace roller.
2. The carbon sleeve furnace roller replacing device provided by the invention has the advantages that the furnace roller body is effectively wrapped and covered by the lifting appliance when the furnace roller is replaced on line, the problem that the carbon sleeve is easy to scratch and damage is avoided, meanwhile, personnel are ensured not to contact the furnace roller, the safety in the extraction and installation processes is effectively ensured, the furnace roller is replaced on line, and the furnace roller is safe and reliable, so that the problems that long-time shutdown is not needed and the furnace roller is dangerous to replace on line are solved.
Drawings
The invention is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic diagram of a carbon sleeve furnace roller changing device according to the present invention;
FIG. 2 is a schematic view of the structure of the clamp of the present invention;
FIG. 3 is a schematic view of the projection in the direction B in FIG. 2;
FIG. 4 is a schematic illustration of the replacement of a carbon sleeve furnace roller with the present invention;
fig. 5 is a schematic top view of the carbon sleeve furnace roller exchanging device of the present invention.
The labels in the above figures are respectively: 1. a carbon sleeve furnace roller; 2. furnace roller shaft; 3. lifting lugs; 4. a steel wire rope I; 5. a bracket I; 6. a protective sleeve; 7. a clamping plate; 8. a jackscrew; 9. a support; 10. a hanging beam; 11. an electric hoist; 12. a guide chain; 13. a steel wire rope II; 14. a bracket II; 15. a counterweight; 16. a handle.
Detailed Description
In the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "planar direction", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 5, a carbon sleeve furnace roller replacing device comprises a clamp and a lifting appliance, one end of the clamp is connected to a lifting beam 10 of the lifting appliance, the other end of the clamp is provided with a carbon sleeve furnace roller 1, the clamp comprises a support 9, a clamping plate 7 and a jackscrew 8, the support 9 is fixedly connected to the lifting beam 10, the clamping plate 7 is inserted into the support 9, and the jackscrew 8 penetrates through the support 9 and is connected to the clamping plate 7. The support 9 is hollow structure, and two splint 7 set up from top to bottom in the cavity of support 9, be equipped with the screw hole with jackscrew 8 adaptation on the lateral wall of support 9, the screw hole connection on splint 7 on the one end that jackscrew 8 passed on the support 9, and rotatory jackscrew 8 can drive splint 7 and reciprocate.
The fixture further comprises a protective sleeve 6, wherein the protective sleeve 6 is of an arc structure, one end of the protective sleeve 6 is connected to the support 9, and the other end of the protective sleeve 6 is inserted below the carbon sleeve furnace roller 1. The protective sleeve 6 is rotatably connected to the end of the support 9 through a bearing, a handle 16 is arranged at one end, close to the support 9, of the protective sleeve 6, and the protective sleeve 6 rotates around the axis of the support 9 by pulling the handle 16.
The hoist includes lug 3, wire rope I4, wire rope II 13 and hanging beam 10, and wire rope I4's one end is connected on lug 3, and wire rope I4's the other end is connected with hanging beam 10's one end, and hanging beam 10's the other end is connected with wire rope II 13's one end, and wire rope II 13's the other end is connected on lug 3. The spreader comprises a counterweight 15, which counterweight 15 is slidingly connected to the lifting beam 10. The steel wire rope II 13 is provided with an electric hoist 11 for adjusting the counterweight 15, the electric hoist 11 is provided with a guide chain 12, one end of the guide chain 12 is connected to the electric hoist 11, and the other end of the guide chain 12 is connected with the counterweight 15. The electric hoist 11 drives the counterweight 15 to slide on the hanging beam 10 so as to ensure the balance of the hanging beam 10 and facilitate the removal and installation of the carbon sleeve furnace roller 1.
The hoist is including still wrapping support I5 and the support II 14 that are used for fixed wire rope, and the one end that is close to anchor clamps on hanging beam 10 is installed to support I5, and support II 14 is installed at the other end of hanging beam 10, and wire rope I4's one end is connected on lug 3, and wire rope I4's the other end is connected on support I5, and wire rope II 13's one end is connected on lug 3, and wire rope II 13's the other end is connected on support II 14.
Based on the carbon sleeve furnace roller replacing device, the invention also relates to a using method of the carbon sleeve furnace roller replacing device, which comprises the steps of removing the old carbon sleeve furnace roller 1 and installing a new carbon sleeve furnace roller 1;
when the carbon sleeve furnace roller 1 is taken, the whole carbon sleeve furnace roller replacing device is hung on a crane through the lifting lug 3, the whole carbon sleeve furnace roller replacing device moves to the position close to the furnace 17 and is close to the carbon sleeve furnace roller 1 to be replaced, after the furnace roller bearing seat fixing bolt is disassembled, the lifting tool is moved to insert the protective sleeve 6 below the carbon sleeve furnace roller through the furnace roller hole, at the moment, the roller body of the carbon sleeve furnace roller 1 is contained in the protective sleeve 6, the furnace roller shaft 2 of the carbon sleeve furnace roller 1 is inserted into the two clamping plates 7, the jackscrew 8 is fastened, the counterweight 15 is slightly swung up and down through the adjusting hoist 11, so that the carbon sleeve furnace roller 1 is positioned at the horizontal position, and the carbon sleeve furnace roller is gradually pulled out by the translational crane.
When a new carbon sleeve furnace roller 1 is installed, the new carbon sleeve furnace roller 1 is placed in a lifting appliance, the roller body of the carbon sleeve furnace roller 1 is placed in a protective sleeve 6, a jackscrew 8 is fastened after a roller shaft 2 of the carbon sleeve furnace roller 1 is inserted into two clamping plates 7, a crane is slowly lifted, after the crane is regulated to enable the carbon sleeve furnace roller 1 to keep horizontal, the crane is moved to gradually plug the carbon sleeve furnace roller 1 into a furnace roller hole, after the carbon sleeve furnace roller 1 completely enters a furnace, jackscrews 8 are screwed out and gradually leave the clamping plates 7, a handle 16 is manually pulled to enable the protective sleeve 6 to rotate around the outer wall of a clamp 7 until the protective sleeve 6 rotates to the upper part of the roller body of the carbon sleeve furnace roller 1, at the moment, the furnace roller is in place, and the carbon sleeve furnace roller 1 is completely not in contact with a furnace shell 17 body due to the protective effect of the protective sleeve 6, scratches and damages are avoided, the carbon sleeve roller bearing is completely arranged, the whole process personnel can always keep the carbon sleeve furnace roller 1 at a long distance, and danger is avoided.
The clamp is provided with the protective sleeve, so that the carbon sleeve is thoroughly prevented from contacting a furnace body and a human body from contacting a high-temperature carbon sleeve, and meanwhile, similar lifting appliances in other areas are improved and changed, so that the clamp can be better used for replacing the carbon sleeve furnace roller.
The carbon sleeve furnace roller replacing device provided by the invention has the advantages that the furnace roller body is effectively wrapped and covered by the lifting appliance when the furnace roller is replaced on line, the problem that the carbon sleeve is easy to scratch and damage is avoided, meanwhile, personnel are ensured not to contact the furnace roller, the safety in the extraction and installation processes is effectively ensured, the furnace roller is replaced on line, and the furnace roller is safe and reliable, so that the problems that long-time shutdown is not needed and the furnace roller is dangerous to replace on line are solved.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is capable of being modified in various ways, or of being applied to other applications without modification, without departing from the scope of the invention.
Claims (6)
1. The application method of the carbon sleeve furnace roller replacing device is characterized by comprising the following steps of: the carbon sleeve furnace roller replacing device comprises a clamp and a lifting appliance, one end of the clamp is connected to a lifting beam (10) of the lifting appliance, the other end of the clamp is placed on the carbon sleeve furnace roller (1), the clamp comprises a support (9), a clamping plate (7) and a jackscrew (8), the support (9) is fixedly connected to the lifting beam (10), the clamping plate (7) is inserted into the support (9), and the jackscrew (8) penetrates through the support (9) to be connected to the clamping plate (7); the clamp also comprises a protective sleeve (6), wherein the protective sleeve (6) is of an arc structure, one end of the protective sleeve (6) is connected to the support (9), and the other end of the protective sleeve (6) is inserted below the carbon sleeve furnace roller (1); the protective sleeve (6) is rotatably connected to the end part of the support (9) through a bearing, a handle (16) is arranged at one end, close to the support (9), of the protective sleeve (6), and the protective sleeve (6) rotates around the axis of the support (9) by pulling the handle (16);
the use method comprises the steps of removing an old carbon sleeve furnace roller (1) and installing a new carbon sleeve furnace roller (1); when the carbon sleeve furnace roller (1) is taken, the whole carbon sleeve furnace roller replacing device is hung on a crane through a lifting lug (3), and is moved to the position close to a furnace (17) and close to the carbon sleeve furnace roller (1) to be replaced, after a furnace roller bearing seat fixing bolt is disassembled, a lifting appliance is moved to insert a protective sleeve (6) below the carbon sleeve furnace roller through a furnace roller hole, at the moment, the roller body of the carbon sleeve furnace roller (1) is contained in the protective sleeve (6), the furnace roller shaft (2) of the carbon sleeve furnace roller (1) is inserted into two clamping plates (7), a jackscrew (8) is fastened, and then an electric hoist (11) is adjusted to enable a counterweight (15) to slightly swing up and down so that the carbon sleeve furnace roller (1) is positioned at a horizontal position, and then the carbon sleeve furnace roller is gradually pulled out by the translational crane;
when a new carbon sleeve furnace roller (1) is installed, the new carbon sleeve furnace roller (1) is placed in a lifting appliance, the roller body of the carbon sleeve furnace roller (1) is placed in a protective sleeve (6), a jackscrew (8) is fastened after the furnace roller shaft (2) of the carbon sleeve furnace roller (1) is inserted into two clamping plates (7), after the electric hoist is regulated while the electric hoist is regulated to enable the carbon sleeve furnace roller (1) to keep horizontal, the electric hoist gradually plugs the carbon sleeve furnace roller (1) into a furnace roller hole, after the carbon sleeve furnace roller (1) completely enters a furnace, the jackscrew (8) is screwed out and gradually leaves the clamping plates (7), a handle (16) is manually pulled to enable the protective sleeve (6) to rotate around the outer wall of the carbon sleeve furnace roller (1) until the protective sleeve (6) rotates to the upper part of the roller body of the carbon sleeve furnace roller (1), at the moment, the furnace roller is in place, and the carbon sleeve roller shaft is reversely arranged.
2. The method of using a carbon sleeve furnace roller replacing device according to claim 1, wherein: the support (9) is of a hollow structure, two clamping plates (7) are arranged in a cavity of the support (9) up and down, threaded holes matched with jackscrews (8) are formed in the side wall of the support (9), one end of each jackscrew (8) penetrates through the threaded holes in the support (9) to be connected to the corresponding clamping plate (7), and the clamping plates (7) can be driven to move up and down by rotating the jackscrews (8).
3. The method of using a carbon sleeve furnace roller replacing device according to claim 2, wherein: the lifting appliance comprises a lifting lug (3), a steel wire rope I (4), a steel wire rope II (13) and a lifting beam (10), wherein one end of the steel wire rope I (4) is connected to the lifting lug (3), the other end of the steel wire rope I (4) is connected with one end of the lifting beam (10), the other end of the lifting beam (10) is connected with one end of the steel wire rope II (13), and the other end of the steel wire rope II (13) is connected to the lifting lug (3).
4. A method of using a carbon sleeve furnace roller changer according to claim 3, wherein: the lifting appliance comprises a counterweight (15), and the counterweight (15) is connected to the lifting beam (10) in a sliding manner.
5. The method for using the carbon sleeve furnace roller replacing device according to claim 4, wherein the method comprises the following steps: the steel wire rope II (13) is provided with an electric hoist (11) for adjusting the counterweight (15), the electric hoist (11) is provided with a guide chain (12), one end of the guide chain (12) is connected to the electric hoist (11), and the other end of the guide chain (12) is connected with the counterweight (15).
6. The method for using the carbon sleeve furnace roller replacing device according to claim 5, wherein the method comprises the following steps: the lifting appliance is characterized by further comprising a support I (5) and a support II (14) for fixing the steel wire rope, wherein the support I (5) is arranged at one end, close to the clamp, of the lifting beam (10), the support II (14) is arranged at the other end of the lifting beam (10), one end of the steel wire rope I (4) is connected to the lifting lug (3), the other end of the steel wire rope I (4) is connected to the support I (5), one end of the steel wire rope II (13) is connected to the lifting lug (3), and the other end of the steel wire rope II (13) is connected to the support II (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010807199.4A CN111960265B (en) | 2020-08-12 | 2020-08-12 | Carbon sleeve furnace roller replacing device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010807199.4A CN111960265B (en) | 2020-08-12 | 2020-08-12 | Carbon sleeve furnace roller replacing device and application method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN111960265A CN111960265A (en) | 2020-11-20 |
| CN111960265B true CN111960265B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010807199.4A Active CN111960265B (en) | 2020-08-12 | 2020-08-12 | Carbon sleeve furnace roller replacing device and application method thereof |
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| CN (1) | CN111960265B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201772739U (en) * | 2010-08-17 | 2011-03-23 | 鞍山钢铁集团公司 | Protective device for annealing furnace carbon sleeve roller replacement |
| CN102002569B (en) * | 2010-11-03 | 2012-12-19 | 中冶南方(武汉)威仕工业炉有限公司 | Method for changing roller outside for roller hearth steel plate heat treatment furnace and device thereof |
| JP5779880B2 (en) * | 2010-12-27 | 2015-09-16 | Ｊｆｅスチール株式会社 | Continuous annealing furnace |
| CN202576506U (en) * | 2012-03-05 | 2012-12-05 | 方盛华 | Novel roller replacement device for furnace bottom roller |
| CN203292789U (en) * | 2013-05-29 | 2013-11-20 | 武汉钢铁(集团)公司 | Furnace roller rapid locating device |
| CN203831049U (en) * | 2014-03-25 | 2014-09-17 | 南京梅山冶金发展有限公司 | Dedicated lifting device for changing hot galvanizingfurnace roller |
| CN104762451B (en) * | 2015-03-20 | 2017-01-25 | 内蒙古包钢钢联股份有限公司 | Furnace roller rapid replacing apparatus and replacing method thereof |
| CN111168633A (en) * | 2020-03-04 | 2020-05-19 | 马鞍山钢铁股份有限公司 | Furnace roller replacing device and replacing method for silicon steel continuous annealing unit |
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- 2020-08-12 CN CN202010807199.4A patent/CN111960265B/en active Active
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