CN204018666U - A kind of shaped sectional roll of continuous casting - Google Patents
A kind of shaped sectional roll of continuous casting Download PDFInfo
- Publication number
- CN204018666U CN204018666U CN201420414077.9U CN201420414077U CN204018666U CN 204018666 U CN204018666 U CN 204018666U CN 201420414077 U CN201420414077 U CN 201420414077U CN 204018666 U CN204018666 U CN 204018666U
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- connecting portion
- roll
- roller
- bearing
- continuous casting
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Abstract
The utility model discloses a kind of shaped sectional roll of continuous casting, it comprises two or more segmentation roller and two ends, two end constructions are identical and be symmetrical arranged, end is connected with bearing block by bearing, every section of roller at least arranges a connecting portion, between every two sections of rollers, is connected by connecting portion, and described connecting portion comprises bearing block and bearing, the roller body of roll is connected with connecting portion bearing block by connecting portion bearing, and the connecting portion bearing block of every two sections of rollers is bolted; Every section of roller is single piece, and the body of roll center of every section of roller is provided with cooling water hole, and two sections of cooling water holes are connected by water receiving cover.Can adapt to continuous casting high temperature, high humidity, high pressure work condition environment feature, rational in infrastructure, processing, assembly precision easily ensures, opens and inspect and to change parts easy, repairs difficulty little, and long service life ensures that stabilizing continuous casting produces and the strand quality of production.
Description
Technical field
The utility model relates to technical field of metallurgical equipment, especially relates to a kind of metallurgical system shaped sectional roll of continuous casting.
Background technology
Fan-shaped sections of slab continuous roller generally adopts core shaft structure roller, if denomination of invention is that the utility model that " a kind of wide thickness plate continuous casting machine fan-shaped section roll minor structure ", the patent No. are " 201020624804.6 " belongs to typical core shaft structure class roller.
Core shaft structure roller is to be connected with a long mandrel by N section roller shell key, and by the assembly of N+1 bearing block fulcrum assembling, mainly there are the following problems for this structure roller:
1) roller is short service life: core shaft structure roller is because mandrel is elongated, mandrel processing, assembly precision are difficult to ensure, under high temperature, high-pressure work environment, mandrel easily produces thermal expansion prolongation and flexural deformation, the phenomenon such as cause that roll surface jerk value is large, bearing locking, roller do not turn, pair of rollers service life and continuous casting are produced, slab quality has produced certain influence.
2) roller shell is enclosed within on mandrel, mating surface is large, not quick detachable, reparation difficulty is large, rehabilitation expense is high: while particularly changing the parts such as middle bearing bracket, bearing, seal, must first roller shell be separated with mandrel, need to there is special dismounting press to split, and to weld block at smooth roll face and take root and can dismantle, so far roll surface is damaged, roll surface need to be processed reparation again, and mandrel, bearing, pushing up also existence distortion in pressure dismounting by press, damaging phenomenon, also need to process and repair and replacing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of shaped sectional roll of continuous casting, can adapt to continuous casting high temperature, high humidity, high pressure work condition environment feature, rational in infrastructure, processing, assembly precision easily ensure, open and inspect and to change parts easy, reparation difficulty is little, and long service life ensures stabilizing continuous casting production and the strand quality of production.
For realizing above-mentioned technical purpose, the utility model proposes a kind of shaped sectional roll of continuous casting, it comprises two or more segmentation roller and two ends, two end constructions are identical and be symmetrical arranged, end is connected with bearing block by bearing, and end axis bearing outside is connected with end cap by screw; Every section of roller at least arranges a connecting portion, between every two sections of rollers, be connected by connecting portion, described connecting portion comprises bearing block and bearing, the roller body of roll is connected with connecting portion bearing block by connecting portion bearing, connecting portion bearing block outside is connected with gland by connecting portion screw, and the connecting portion bearing block of every two sections of rollers is bolted; Every section of roller is single piece, cancellation roller shell and mandrel by key syndeton, the body of roll center of every section of roller is provided with cooling water hole, while connection between roller, two sections of cooling water holes are connected by water receiving cover, and water receiving cover cylindrical is with O RunddichtringO, and 0 type sealing adopts high temperature resistant, anti-aging fluorubber material, guarantee that cooling water does not enter bearing chamber, the cooling water hole of two described ends is connected with swivel joint, and one of them is water inlet, and another is delivery port.
For two sections of segmentation rollers, the structure of segmentation roller I and II is identical, and is symmetrical arranged; For more than three sections and three sections segmentation rollers, some stage casings roller is set between segmentation roller I and II
iII, stage casing roller
iIItwo ends are connecting portion.
For further improving roller service life, body of roll quality of parent material is 42CrMo, and roll surface resurfacing welding material is 0Cr13Ni4Mo, i.e. stainless steel martensitic material built-up welding roll surface, after heat treatment, the body of roll has good corrosion resistance and roll surface to have higher hardness and high temperature abrasion resistance and heat fatigue ability.
For ensureing end bearing sealing, in end bearing both sides, sealing shroud is set respectively, sealing shroud and end cap contact position, sealing shroud and end bearing seated connection synapsis are also fixedly installed reinforced seal.
For ensureing the reliability of water receiving cover sealing, the body of roll overlaps with water receiving the endoporus place assembling 1Cr18Ni9Ti stainless steel sealing shroud contacting, and 1Cr18Ni9Ti stainless steel sealing shroud requires machining accuracy high, and endoporus is bright and clean, and roughness is 0.8; Sealing shroud cylindrical and body of roll endoporus are interference fit, have ensured sealing reliability.Sealing shroud is that protection body of roll endoporus does not damage (to damage difficulty of processing large because of body of roll endoporus), and sealing shroud is changed more for convenience.
When two sections of rollers connect, between two connecting portion bearing blocks, adopt the sealing shroud sealing of the O RunddichtringO with cylindrical fluoridize glue material, the one, prevent that outside water, gas from entering, the 2nd, guarantee bearing chamber lubricating oil is not revealed.
For making connecting portion sealed bearing housing more reliable, also be provided with through the 42CrMo of nitriding processing steel sealing shroud at connecting portion bearing block and roller body of roll contact site, with body of roll interference fit, 42CrMo steel sealing shroud one end props up the body of roll, the other end props up connecting portion bearing, and the folded ring of metal sealing under the mal-conditions such as two seals is stable, high temperature resistant, corrosion is installed between sealing shroud cylindrical and bearing saddle bore.
Because of connecting portion bearing block, environment temperature is high aborning, and for strengthening the cooling of the parts such as intermediate bearing, the design of middle bearing bracket cooling duct has adopted annular major path cooling under the prerequisite that does not affect bearing block intensity, be convenient to process, and increases bearing cooling effect.
A kind of shaped sectional roll of continuous casting that the utility model proposes, under equal model and working environment, extend more than one times service life than mandrel roller, mandrel roller steel transportation amount is 20～400,000 tons, and the sub-steel transportation amount of a kind of shaped sectional roll of continuous casting that the utility model proposes is more than 800,000 tons; Open and inspect, change parts easily, conveniently, do not need special equipment and place just can review one's lessons by oneself, maintenance cost is low; Bearing capacity is large, and deflection is little, and roll gap precision is high, can adapt to the production of high strength steel grade, and slab quality is stable.
Brief description of the drawings
Fig. 1 is the core shaft structure roller structure schematic diagram described in background technology.
Fig. 2 is two sections of roller structure schematic diagrames of a kind of continuous casting machine fan-shaped segment that the utility model proposes.
Fig. 3 is three sections of roller structure schematic diagrames of a kind of continuous casting machine fan-shaped segment that the utility model proposes.
Fig. 4 is segmentation roller I structural representation in Fig. 2 or Fig. 3.
Fig. 5 is A portion enlarged diagram in Fig. 2.
Fig. 6 is connecting portion bearing block structure schematic diagram.
Detailed description of the invention
Referring to accompanying drawing, a kind of shaped sectional roll of continuous casting 4, it comprises two or more segmentation roller and two end 4-1, two end constructions are identical and be symmetrical arranged, end is connected with bearing block 4-1-2 by bearing 4-1-1, and end axis bearing 4-1-2 outside is connected with end cap 4-1-4 by screw 4-1-3; Every section of roller at least arranges a connecting portion 4-2, between every two sections of rollers, be connected by connecting portion, described connecting portion comprises bearing block 4-2-2 and bearing 4-2-1, roller body of roll 4-5 is connected with connecting portion bearing block 4-2-2 by connecting portion bearing 4-2-1, connecting portion bearing block 4-2-2 outside is connected with gland 4-2-4 by connecting portion screw 4-2-3, and the connecting portion bearing block 4-2-2 of every two sections of rollers connects by bolt 4-4; Every section of roller is single piece, cancellation roller shell 1 and mandrel 3 by key 2 syndetons, the body of roll center of every section of roller is provided with cooling water hole 4-5-1, while connection between roller, two sections of cooling water holes overlap 4-2-5 by water receiving and are connected, water receiving cover cylindrical is with O RunddichtringO 4-2-6,0 type sealing adopts high temperature resistant, anti-aging fluorubber material, guarantee that cooling water does not enter bearing chamber, the cooling water hole of two described ends is connected with swivel joint 4-3, one of them is water inlet, and another is delivery port.
For two sections of segmentation rollers, the structure of segmentation roller I and II is identical, and is symmetrical arranged; For more than three sections and three sections segmentation rollers, some stage casings roller is set between segmentation roller I and II
iII, stage casing roller
iIItwo ends are connecting portion.
For further improving roller service life, body of roll quality of parent material is 42CrMo, and roll surface resurfacing welding material is 0Cr13Ni4Mo, i.e. stainless steel martensitic material built-up welding roll surface, after heat treatment, the body of roll has good corrosion resistance and roll surface to have higher hardness and high temperature abrasion resistance and heat fatigue ability.
For ensureing end bearing sealing, in end bearing both sides, sealing shroud 4-1-5 is set respectively, sealing shroud and end cap contact position, sealing shroud and end bearing seated connection synapsis are also fixedly installed reinforced seal 4-1-6.
For ensureing the reliability of water receiving cover sealing, the body of roll overlaps with water receiving the endoporus place assembling 1Cr18Ni9Ti stainless steel sealing shroud 4-2-7 contacting, and 1Cr18Ni9Ti stainless steel sealing shroud requires machining accuracy high, and endoporus is bright and clean, and roughness is 0.8; Sealing shroud cylindrical and body of roll endoporus are interference fit, have ensured sealing reliability.Sealing shroud is that protection body of roll endoporus does not damage (to damage difficulty of processing large because of body of roll endoporus), and sealing shroud is changed more for convenience.
When two sections of rollers connect, between two connecting portion bearing blocks, adopt the sealing shroud 4-2-8 sealing of the O RunddichtringO with cylindrical fluoridize glue material, the one, prevent that outside water, gas from entering, the 2nd, guarantee bearing chamber lubricating oil is not revealed.
For making connecting portion sealed bearing housing more reliable, also be provided with through the 42CrMo of nitriding processing steel sealing shroud 4-2-9 at connecting portion bearing block and roller body of roll contact site, with body of roll interference fit, 42CrMo steel sealing shroud one end props up the body of roll, the other end props up connecting portion bearing, and the folded ring of metal sealing 4-2-10 under the mal-conditions such as two seals is stable, high temperature resistant, corrosion is installed between sealing shroud cylindrical and bearing saddle bore.
Because of connecting portion bearing block, environment temperature is high aborning, for strengthening the cooling of the parts such as intermediate bearing, the design of middle bearing bracket cooling duct has adopted annular major path 4-2-2-1 cooling under the prerequisite that does not affect bearing block intensity, be convenient to process, and increases bearing cooling effect.
A kind of shaped sectional roll of continuous casting that the utility model proposes, under equal model and working environment, extend more than one times service life than mandrel roller, mandrel roller steel transportation amount is 20～400,000 tons, and the sub-steel transportation amount of a kind of shaped sectional roll of continuous casting that the utility model proposes is more than 800,000 tons; Open and inspect, change parts easily, conveniently, do not need special equipment and place just can review one's lessons by oneself, maintenance cost is low; Bearing capacity is large, and deflection is little, and roll gap precision is high, can adapt to the production of high strength steel grade, and slab quality is stable.
Claims (7)
1. shaped sectional roll of continuous casting, it is characterized in that it comprises two or more segmentation roller and two ends, two end constructions are identical and be symmetrical arranged, and end is connected with bearing block by bearing, and end axis bearing outside is connected with end cap by screw; Every section of roller at least arranges a connecting portion, between every two sections of rollers, be connected by connecting portion, described connecting portion comprises bearing block and bearing, the roller body of roll is connected with connecting portion bearing block by connecting portion bearing, connecting portion bearing block outside is connected with gland by connecting portion screw, and the connecting portion bearing block of every two sections of rollers is bolted; Every section of roller is single piece, the body of roll center of every section of roller is provided with cooling water hole, while connection between roller, two sections of cooling water holes are connected by water receiving cover, water receiving cover cylindrical is with O RunddichtringO, and 0 type sealing adopts high temperature resistant, anti-aging fluorubber material, and the cooling water hole of two described ends is connected with swivel joint, one of them is water inlet, and another is delivery port.
2. a kind of shaped sectional roll of continuous casting according to claim 1, is characterized in that body of roll quality of parent material is 42CrMo, and roll surface resurfacing welding material is 0Cr13Ni4Mo.
3. a kind of shaped sectional roll of continuous casting according to claim 1, is characterized in that, in end bearing both sides, sealing shroud is set respectively, and sealing shroud and end cap contact position, sealing shroud and end bearing seated connection synapsis are also fixedly installed reinforced seal.
4. a kind of shaped sectional roll of continuous casting according to claim 1, it is characterized in that the body of roll and water receiving overlap the endoporus place assembling 1Cr18Ni9Ti stainless steel sealing shroud contacting, 1Cr18Ni9Ti stainless steel sealing shroud roughness is 0.8, and sealing shroud cylindrical and body of roll endoporus are interference fit.
5. a kind of shaped sectional roll of continuous casting according to claim 1, while it is characterized in that two sections of rollers connect, adopts the sealing shroud sealing of the O RunddichtringO with cylindrical fluoridize glue material between two connecting portion bearing blocks.
6. a kind of shaped sectional roll of continuous casting according to claim 1, it is characterized in that being also provided with through the 42CrMo of nitriding processing steel sealing shroud at connecting portion bearing block and roller body of roll contact site, with body of roll interference fit, 42CrMo steel sealing shroud one end props up the body of roll, the other end props up connecting portion bearing, and the folded ring of twice metal sealing is installed between sealing shroud cylindrical and bearing saddle bore.
7. a kind of shaped sectional roll of continuous casting according to claim 1, is characterized in that connecting portion bearing block has adopted annular major path cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414077.9U CN204018666U (en) | 2014-07-25 | 2014-07-25 | A kind of shaped sectional roll of continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414077.9U CN204018666U (en) | 2014-07-25 | 2014-07-25 | A kind of shaped sectional roll of continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204018666U true CN204018666U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420414077.9U Expired - Fee Related CN204018666U (en) | 2014-07-25 | 2014-07-25 | A kind of shaped sectional roll of continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204018666U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195560A (en) * | 2015-10-26 | 2015-12-30 | 太原重工股份有限公司 | Supporting roller of straightening machine |
| CN107520417A (en) * | 2016-11-07 | 2017-12-29 | 襄阳博亚精工装备股份有限公司 | Billet continuous casting merogenesis roller arrangement |
| CN110762204A (en) * | 2019-11-05 | 2020-02-07 | 攀钢集团西昌钢钒有限公司 | Porous combined sealing plate |
| CN114888250A (en) * | 2022-05-06 | 2022-08-12 | 武汉钢铁有限公司 | Porous fan-shaped section efficient cooling foot roller and using method thereof |
-
2014
- 2014-07-25 CN CN201420414077.9U patent/CN204018666U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195560A (en) * | 2015-10-26 | 2015-12-30 | 太原重工股份有限公司 | Supporting roller of straightening machine |
| CN107520417A (en) * | 2016-11-07 | 2017-12-29 | 襄阳博亚精工装备股份有限公司 | Billet continuous casting merogenesis roller arrangement |
| CN107520417B (en) * | 2016-11-07 | 2022-11-25 | 襄阳博亚精工装备股份有限公司 | Sectional roller device for continuous casting of square billets |
| CN110762204A (en) * | 2019-11-05 | 2020-02-07 | 攀钢集团西昌钢钒有限公司 | Porous combined sealing plate |
| CN110762204B (en) * | 2019-11-05 | 2022-02-15 | 攀钢集团西昌钢钒有限公司 | Porous combined sealing plate |
| CN114888250A (en) * | 2022-05-06 | 2022-08-12 | 武汉钢铁有限公司 | Porous fan-shaped section efficient cooling foot roller and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20210725 |