CN116275866B - Long-life continuous casting roller prosthetic devices - Google Patents
Long-life continuous casting roller prosthetic devices Download PDFInfo
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- CN116275866B CN116275866B CN202310391136.9A CN202310391136A CN116275866B CN 116275866 B CN116275866 B CN 116275866B CN 202310391136 A CN202310391136 A CN 202310391136A CN 116275866 B CN116275866 B CN 116275866B
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- continuous casting
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- welding
- stress relief
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 72
- 238000003466 welding Methods 0.000 claims abstract description 55
- 230000008439 repair process Effects 0.000 claims abstract description 34
- 238000009826 distribution Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 56
- 238000005086 pumping Methods 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 230000035882 stress Effects 0.000 abstract description 34
- 238000001816 cooling Methods 0.000 abstract description 11
- 230000001681 protective effect Effects 0.000 abstract description 9
- 230000008646 thermal stress Effects 0.000 abstract description 8
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008030 elimination Effects 0.000 abstract description 4
- 238000003379 elimination reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention relates to the technical field of continuous casting equipment, in particular to a long-service-life continuous casting roller repairing device, which comprises: build-up welding repair frame, stress relief cabin cover, rotatory frock subassembly and drive revolving rack, rotatory frock subassembly fixed mounting is in build-up welding repair frame's both ends, and build-up welding repair frame's surface is equipped with the motion guide slot, and the inside slidable mounting of motion guide slot has multiaxis welding mechanism, and the cabin cover guide slot has been seted up on build-up welding repair frame's surface, and the fixed surface of stress relief cabin cover installs the drive rack that the sliding cup joints in the cabin cover guide slot inboard. The surface of the build-up repair structure is compounded with the thermal stress elimination assembly, the build-up repair frame surface stress elimination hatch cover is used for progressively cooling the continuous casting roller after build-up repair, the stress elimination hatch cover effectively isolates the surface of the build-up continuous casting roller from contacting with the external environment air, the gas distribution guide ring is used for spraying low-temperature cooling protective gas, and the contact effect of the gas flow and the continuous casting roller surface is improved by active gas flow conveying, so that balanced cooling is realized.
Description
Technical Field
The invention relates to the technical field of continuous casting equipment, in particular to a long-service-life continuous casting roller repairing device.
Background
In steel mill production, long-life continuous casting roller mainly used keeps the steel billet to solidify, under long-term mechanical stress, thermal fatigue and metal abrasion effect, roll surface oxidation peels off and easily produces the crackle and causes the fracture, has life and potential safety hazard problem. The continuous casting roller is a core component of continuous casting equipment, the quality, the mildness and the service life of the continuous casting roller directly affect the product cost, the slab quality and the operation rate of a continuous casting machine, the service life of the repaired continuous casting roller is improved by 2-3 times compared with that of a roller which is newly manufactured, and meanwhile, the high-temperature strength and the wear resistance of the continuous casting roller can be obviously improved.
In the continuous casting roll repairing operation, a build-up welding mode is generally adopted to improve the usability of the continuous casting roll. When the surfacing of the long-life continuous casting roller is finished, the surface temperature is higher, so that thermal stress can remain, in the existing surfacing equipment, a natural cooling method is generally adopted for eliminating the thermal stress, the long-life continuous casting roller is placed outdoors, the surface temperature is reduced through natural cooling, the temperature is unbalanced when the long-life continuous casting roller is cooled due to uneven outdoor temperature, the surface of the long-life continuous casting roller is deformed or even cracked after long time, and the service performance of the long-life continuous casting roller is further affected. The defects caused by the method directly lower the service life of the continuous casting roller, and can not meet the online use requirement of the continuous casting roller. In view of the above, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a long-life continuous casting roll repairing apparatus that solves the problems and improves the practical value.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows: the device comprises a build-up welding repairing frame, a stress relief hatch cover, a rotary tool assembly and a driving rotating frame fixedly arranged on one side of the rotary tool assembly, wherein the rotary tool assembly is fixedly arranged at two ends of the build-up welding repairing frame, a moving guide groove is formed in the surface of the build-up welding repairing frame, a multi-shaft welding mechanism is slidably arranged in the moving guide groove, the hatch cover guide groove is formed in the surface of the build-up welding repairing frame, a driving rack which is slidably sleeved on the inner side of the hatch cover guide groove is fixedly arranged on the surface of the stress relief hatch cover, gas distribution guide rings are fixedly arranged at two ends of the stress relief hatch cover, the periphery of each gas distribution guide ring is slidably abutted to the surface of the build-up welding repairing frame, a plurality of uniformly distributed gas spraying holes are formed in the inner side of each gas distribution guide ring, and a protective gas pumping assembly is communicated with the end part of each gas distribution guide ring;
the rotary tool assembly comprises a positioning ring, an anti-shake balancing frame and a bearing ring seat rotatably mounted on the inner side of the positioning ring, a plurality of elastic stay elastic stays are fixedly mounted on the inner side of the bearing ring seat, the other ends of the elastic stay elastic stays are connected with abutting blocks, a plurality of rolling plates which are in sliding abutting connection with the inner side of the anti-shake balancing frame are arranged on the periphery of the bearing ring seat, the end parts of the anti-shake balancing frame are fixedly connected with the side faces of the build-up welding repairing frame, the bearing ring seats on the two ends of the build-up welding repairing frame are located on the same horizontal axis, and the center axes of the bearing ring seat and the stress relief cabin cover are collinear.
The present invention may be further configured in a preferred example to: the multi-shaft welding mechanism comprises a welding machine head and a vertical rail and a transverse rail which are used for driving the welding machine head to move in three dimensions, and a screw rod driving assembly used for driving the multi-shaft welding mechanism to move transversely is arranged on the inner side of the moving guide groove.
The present invention may be further configured in a preferred example to: the surface of the build-up welding repair frame is embedded with an opening and closing control shaft which is of a double-output motor structure, and the output end of the opening and closing control shaft is provided with transmission teeth meshed with the surface of the driving rack.
The present invention may be further configured in a preferred example to: the shielding gas pumping assembly comprises a pumping mechanism and a nitrogen storage tank, wherein the output end of the pumping mechanism is provided with a gas heater, and the shielding gas pumping assembly is communicated with the gas distribution guide ring through the gas heater.
The present invention may be further configured in a preferred example to: the gas heater is characterized in that the input end of the gas heater is electrically connected with a power controller, a temperature sensor is arranged on the inner side of the gas distribution guide ring, and a PID control module connected with the temperature sensor is arranged in the power controller.
The present invention may be further configured in a preferred example to: the inner side of the stress relief cabin cover is provided with an inclined spraying surface opposite to the inner side of the stress relief cabin cover, and the spraying holes are uniformly distributed on the surface of the spraying surface in a circumferential ring shape.
The present invention may be further configured in a preferred example to: the positioning rings are of L-shaped structures, the number of the positioning rings is two, the positioning rings are symmetrically arranged about the origin of the circle center of the positioning rings, and the elastic stay bars are of arc-shaped bent bar structures.
The present invention may be further configured in a preferred example to: one side of the driving rotating frame is fixedly provided with a driving motor, the output end of the driving motor is fixedly connected with a flexible coupling, and the flexible coupling and the center axis of the stress relief hatch cover are positioned on the same horizontal line.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, the surface of the build-up repair structure is compounded with the thermal stress relief assembly, the build-up repair frame surface stress relief hatch covers gradually cool and cool the continuous casting roller after build-up repair, the stress relief hatch covers effectively isolate the surface of the build-up continuous casting roller from being contacted with external environment air, the gas distribution guide ring is utilized to spray low-temperature cooling protective gas, the contact effect of the gas flow and the surface of the continuous casting roller is improved by active gas flow conveying, balanced cooling is realized, the oxidation effect of the build-up surface is effectively avoided by inert protective gas, and the protection effect on the continuous casting roller is improved.
2. According to the invention, the opening and closing control shaft is arranged to drive the stress relief hatch cover to move, and the overlaying repair and the seamless switching between the thermal stress relief procedures are carried out under the rotating movement of the stress relief hatch cover, so that the overlaying high-temperature continuous casting roller is quickly switched to the cooling procedure, and the cracking problem caused by the quick cooling of the continuous casting roller due to the external environment is avoided.
3. According to the invention, the surface of the rotary tool assembly is provided with the driving revolving frame structure, the continuous casting roller is driven by the driving revolving frame to rotate at a constant speed, the surfacing surface of the continuous casting roller is replaced, and the surface of the continuous casting roller is enabled to generate a cyclone layer by utilizing the high-speed rotation of the continuous casting roller in the process of spraying the protective gas, so that the air flow uniformly moves on the surface of the continuous casting roller for heat exchange.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a surface structure of a build-up welding repair frame according to an embodiment of the present invention;
FIG. 3 is a schematic view of a weld overlay repair frame and a multi-axis welding mechanism according to one embodiment of the invention;
FIG. 4 is a schematic view of a stress relief hatch according to one embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a rotating tool assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of a bearing ring seat according to an embodiment of the present invention;
fig. 7 is a schematic view of a driving turret according to an embodiment of the invention.
Reference numerals:
100. build-up welding repairing frames; 110. a moving guide groove; 120. a multi-axis welding mechanism; 130. a hatch cover guide slot; 140. opening and closing the control shaft;
200. a stress relief hatch; 210. a drive rack; 220. a gas distribution guide ring; 221. a gas injection hole;
300. rotating the tool assembly; 310. a positioning ring; 320. an anti-shake balance frame; 330. a bearing ring seat; 331. an elastic stay; 332. a rolling plate; 333. an abutment block;
400. driving the rotating frame; 410. a driving motor; 420. a flexible coupling.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
A long life continuous casting roll repairing apparatus provided by some embodiments of the present invention is described below with reference to the accompanying drawings.
Referring to fig. 1 to 7, the long-life continuous casting roll repairing device provided by the invention comprises: the device comprises a build-up welding repair frame 100, a stress relief hatch 200, a rotary tool assembly 300 and a driving rotating frame 400 fixedly arranged on one side of the rotary tool assembly 300, wherein the rotary tool assembly 300 is fixedly arranged at two ends of the build-up welding repair frame 100, a moving guide groove 110 is arranged on the surface of the build-up welding repair frame 100, a multi-shaft welding mechanism 120 is slidably arranged in the inner side of the moving guide groove 110, a hatch guide groove 130 is arranged on the surface of the build-up welding repair frame 100, a driving rack 210 which is slidably sleeved on the inner side of the hatch guide groove 130 is fixedly arranged on the surface of the stress relief hatch 200, gas distribution guide rings 220 are fixedly arranged at two ends of the stress relief hatch 200, the periphery of the gas distribution guide rings 220 are slidably abutted with the surface of the build-up welding repair frame 100, a plurality of uniformly distributed gas spraying holes 221 are formed in the inner side of the gas distribution guide rings 220, and the end parts of the gas distribution guide rings 220 are communicated with a protective gas pumping assembly;
the rotating tool assembly 300 comprises a positioning ring 310, an anti-shake balancing frame 320 and a bearing ring seat 330 rotatably mounted on the inner side of the positioning ring 310, wherein a plurality of elastic supporting rods 331 are fixedly mounted on the inner side of the bearing ring seat 330, the other ends of the elastic supporting rods 331 are connected with abutting blocks 333, a plurality of rolling plates 332 which are in sliding abutting connection with the inner side of the anti-shake balancing frame 320 are arranged on the periphery of the bearing ring seat 330, the end parts of the anti-shake balancing frame 320 are fixedly connected with the side surfaces of the build-up welding repairing frame 100, the bearing ring seats 330 on the two ends of the build-up welding repairing frame 100 are positioned on the same horizontal axis, and the center axes of the bearing ring seats 330 and the center axes of the stress relief cabin cover 200 are collinear.
In this embodiment, the multi-axis welding mechanism 120 includes a welding head, and a vertical rail and a horizontal rail for driving the welding head to move in three dimensions, and a screw driving assembly for driving the multi-axis welding mechanism 120 to move laterally is provided at the inner side of the moving guide groove 110.
Specifically, the automatic overlaying of the continuous casting roller surface is performed by utilizing the motion of the multi-axis welding mechanism 120, and the multi-axis welding mechanism 120 and the stress relief hatch 200 are integrated on the surface of the overlaying repair frame 100 together, so that seamless switching between overlaying and thermal stress relief procedures is realized.
In this embodiment, the surface of the build-up welding repair frame 100 is embedded with an on-off control shaft 140, the on-off control shaft 140 is of a double-output motor structure, and the output end is provided with transmission teeth meshed with the surface of the driving rack 210.
Specifically, the stress relief hatch 200 is driven to rotate by controlling the rotation of the stress relief hatch 200 by the opening and closing control shaft 140, and the stress relief hatch 200 is driven to rotate by taking the driving rack 210 and the gas distribution guide ring 220 as supports, so that the surface of the build-up welding repair frame 100 is opened or closed.
In this embodiment, the shielding gas pumping assembly includes a pumping mechanism and a nitrogen storage tank, and the output end of the pumping mechanism is provided with a gas heater and is communicated with the gas distribution guide ring 220 through the gas heater.
Specifically, nitrogen is pumped outside the shielding gas pumping assembly to serve as the protection of the welding surface, and redundant oxygen between the surfacing repair frame 100 and the stress elimination hatch cover 200 is removed to avoid oxidation of the surfacing layer.
Further, the input end of the gas heater is electrically connected with a power controller, a temperature sensor is arranged at the inner side of the gas distribution guide ring 220, and a PID control module connected with the temperature sensor is arranged inside the power controller.
Specifically, the temperature of the protective gas is monitored in real time by using a temperature sensor, the power of the gas heater is regulated in real time by PID control, the high-temperature of the protective gas is gradually reduced, and the continuous casting roller is slowly and gradually cooled.
In this embodiment, the inner side of the stress relief hatch 200 is provided with an inclined injection surface facing the inner side of the stress relief hatch 200, and the air injection holes 221 are uniformly distributed on the injection surface in a circumferential ring shape.
In this embodiment, the positioning ring 310 has an L-shaped structure and two positioning rings in number and symmetrically arranged about the origin of the center of the positioning ring 310, and the elastic stay 331 has an arc-shaped curved bar structure.
Specifically, the special anti-shake balancing stand 320 structure and the elastic and elastic stay 331 structure are utilized to carry out elastic clamping of the anti-shake balancing stand 320, the floating support and the continuous casting roller, so that the shaking amount in the rotation of the continuous casting roller is absorbed, and the continuous casting roller is kept to rotate stably.
In this embodiment, a driving motor 410 is fixedly installed at one side of the driving turret 400, and the output end of the driving motor 410 is fixedly connected with a flexible coupling 420, and the flexible coupling 420 and the center axis of the stress relief hatch 200 are positioned on the same horizontal line.
Specifically, the continuous casting roller is driven to rotate and turn over in the overlaying process by the driving motor 410, and is driven to rotate in the thermal stress eliminating process, so that the surface airflow is accelerated to move for uniform cooling, the flexible coupling 420 realizes flexible transmission with the continuous casting roller, and the influence of continuous casting roller shaking on equipment is eliminated.
The working principle and the using flow of the invention are as follows:
when the long-life continuous casting roller repairing device is used, two ends of a continuous casting roller to be repaired are spliced into the inner side of a bearing ring seat 330 to be clamped and fixed, one end of the continuous casting roller is in transmission connection with the output end of a driving motor 410 through a flexible coupling 420, three-dimensional movement is performed on the surface of a moving guide groove 110 through a multi-shaft welding mechanism 120 to perform automatic surfacing repair, the driving motor 410 controls the rotation of the continuous casting roller to perform repair surface replacement operation, an opening and closing control shaft 140 controls the movement of a stress relief hatch 200 to be opened so that the surface of the continuous casting roller is exposed, and the opening and closing control shaft 140 drives the stress relief hatch 200 to rotate and turn over on the surface of a surfacing repair frame 100 in the process of thermal stress relief so that the continuous casting roller is contained on the inner side of the surfacing repair frame 100 and the stress relief hatch 200;
the gas distribution guide ring 220 is connected with a nitrogen protection gas pumping structure, an air heat exchanger is arranged on the surface of a pumping pipeline, the temperature of the pumped nitrogen protection gas is regulated by the air heat exchanger, when the surface of the continuous casting roller is cooled, the surface temperature of the build-up welding continuous casting roller is measured, the introduced gas spraying stress which is always lower than the surface temperature of the continuous casting roller is used for eliminating the continuous casting roller in the hatch cover 200 and the build-up welding repair frame 100, so that the surface of the continuous casting roller is slowly cooled at a constant speed, and the surface cracking of the continuous casting roller is avoided;
in the cooling operation, the continuous casting roller is driven to rotate at a constant speed by the driving revolving frame 400 to replace the build-up welding surface of the continuous casting roller, and the cyclone layer is generated on the surface of the continuous casting roller by utilizing the high-speed rotation of the continuous casting roller in the process of spraying the protective gas, so that the air flow uniformly moves on the surface of the continuous casting roller for heat exchange.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. A long life continuous casting roll repair device, comprising: the device comprises a build-up welding repair frame (100), a stress relief hatch (200), a rotary tool assembly (300) and a driving rotating frame (400) fixedly arranged on one side of the rotary tool assembly (300), wherein the rotary tool assembly (300) is fixedly arranged at two ends of the build-up welding repair frame (100), a moving guide groove (110) is formed in the surface of the build-up welding repair frame (100), a multi-shaft welding mechanism (120) is slidably arranged in the inner side of the moving guide groove (110), a hatch guide groove (130) is formed in the surface of the build-up welding repair frame (100), a driving rack (210) which is slidably sleeved on the inner side of the hatch guide groove (130) is fixedly arranged on the surface of the stress relief hatch (200), gas distribution guide rings (220) are fixedly arranged at two ends of the stress relief hatch (200), the periphery of the gas distribution guide rings (220) are in sliding abutting joint with the surface of the build-up welding repair frame (100), a plurality of uniformly distributed gas injection holes (221) are formed in the inner side of the gas distribution guide rings (220), and the end parts of the gas distribution guide rings (220) are communicated with a shielding gas pumping assembly;
the rotary tool assembly (300) comprises a positioning ring (310), an anti-shake balancing frame (320) and a bearing ring seat (330) rotatably mounted on the inner side of the positioning ring (310), a plurality of elastic stay elastic stays (331) are fixedly mounted on the inner side of the bearing ring seat (330), an abutting block (333) is connected to the other end of the elastic stay (331), a plurality of rolling plates (332) which are in sliding abutting connection with the inner side of the anti-shake balancing frame (320) are arranged on the periphery of the bearing ring seat (330), the end portions of the anti-shake balancing frame (320) are fixedly connected with the side faces of the surfacing repairing frame (100), the bearing ring seats (330) on the two ends of the surfacing repairing frame (100) are located on the same horizontal axis, and the center axis of the bearing ring seat (330) is collinear with the center axis of the stress relief cabin cover (200).
2. The long-life continuous casting roll repairing device according to claim 1, wherein the multi-shaft welding mechanism (120) comprises a welding head, a vertical rail and a transverse rail for driving the welding head to move in three dimensions, and a screw rod driving assembly for driving the multi-shaft welding mechanism (120) to move transversely is arranged on the inner side of the moving guide groove (110).
3. The long-life continuous casting roll repairing device according to claim 1, wherein an opening and closing control shaft (140) is embedded and installed on the surface of the build-up welding repairing frame (100), the opening and closing control shaft (140) is of a double-output motor structure, and a transmission gear meshed with the surface of the driving rack (210) is arranged at the output end.
4. The long-life continuous casting roll repairing device according to claim 1, wherein the shielding gas pumping assembly comprises a pumping mechanism and a nitrogen storage tank, and an output end of the pumping mechanism is provided with a gas heater and is communicated with a gas distribution guide ring (220) through the gas heater.
5. The long-life continuous casting roll repairing device according to claim 4, wherein the input end of the gas heater is electrically connected with a power controller, a temperature sensor is arranged on the inner side of the gas distribution guide ring (220), and a PID control module connected with the temperature sensor is arranged in the power controller.
6. The long-life continuous casting roll repairing device according to claim 1, wherein the inner side of the stress relief hatch (200) is provided with an inclined spraying surface opposite to the inner side of the stress relief hatch (200), and the air spraying holes (221) are uniformly distributed on the surface of the spraying surface in a circumferential ring shape.
7. The long-life continuous casting roll repairing device according to claim 1, wherein the positioning rings (310) are in an L-shaped structure, the number of the positioning rings is two, the positioning rings are symmetrically arranged with respect to the origin of the circle center of the positioning rings (310), and the elastic stay bars (331) are in an arc-shaped bent bar structure.
8. The long-life continuous casting roll repairing device according to claim 1, wherein a driving motor (410) is fixedly installed on one side of the driving rotating frame (400), the output end of the driving motor (410) is fixedly connected with a flexible coupling (420), and the flexible coupling (420) and the center axis of the stress relief hatch (200) are located on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310391136.9A CN116275866B (en) | 2023-04-13 | 2023-04-13 | Long-life continuous casting roller prosthetic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310391136.9A CN116275866B (en) | 2023-04-13 | 2023-04-13 | Long-life continuous casting roller prosthetic devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116275866A CN116275866A (en) | 2023-06-23 |
| CN116275866B true CN116275866B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310391136.9A Active CN116275866B (en) | 2023-04-13 | 2023-04-13 | Long-life continuous casting roller prosthetic devices |
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| Country | Link |
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| CN (1) | CN116275866B (en) |
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| CN115625481A (en) * | 2022-09-09 | 2023-01-20 | 宝武集团鄂城钢铁有限公司 | Method for repairing surface of sleeve of continuous casting roller |
| CN115740854A (en) * | 2022-11-18 | 2023-03-07 | 常州市银腾机械有限公司 | Novel recreated long-life continuous casting roller surfacing equipment |
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2023
- 2023-04-13 CN CN202310391136.9A patent/CN116275866B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008046427A1 (en) * | 2006-10-19 | 2008-04-24 | Otkrytoe Aktsionernoe Obschestvo 'tatneft' Im. V.D. Shashina | Device for repairing a drill pipe |
| CN101489715A (en) * | 2006-10-19 | 2009-07-22 | 夫·德·沙什娜“鞑靼石油”股份有限公司 | Device for repairing a drill pipe |
| CN209140120U (en) * | 2018-10-16 | 2019-07-23 | 五矿营口中板有限责任公司 | Elongated hollow continuous casting roller surface welds axial bending control structure |
| CN109465577A (en) * | 2019-01-11 | 2019-03-15 | 河北工业大学 | A kind of ultra-thin alloy welding deposit repairs cooling system and cooling means |
| CN115070340A (en) * | 2022-06-12 | 2022-09-20 | 华能国际电力股份有限公司营口电厂 | Overlaying device for offline repair of grinding roller of coal mill |
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| CN115740854A (en) * | 2022-11-18 | 2023-03-07 | 常州市银腾机械有限公司 | Novel recreated long-life continuous casting roller surfacing equipment |
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| CN116275866A (en) | 2023-06-23 |
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