CN202155499U - Slab driving roll of continuous casting machine - Google Patents
Slab driving roll of continuous casting machine Download PDFInfo
- Publication number
- CN202155499U CN202155499U CN2011202190426U CN201120219042U CN202155499U CN 202155499 U CN202155499 U CN 202155499U CN 2011202190426 U CN2011202190426 U CN 2011202190426U CN 201120219042 U CN201120219042 U CN 201120219042U CN 202155499 U CN202155499 U CN 202155499U
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- China
- Prior art keywords
- bearing block
- bearing
- hollow mandrel
- hollow spindle
- middle double
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- Expired - Fee Related
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Abstract
The utility model discloses a slab driving roll of a continuous casting machine. A cooling water pipe is erected in a hollow spindle by the aid of a plurality of triangular supports, spline couplers are respectively disposed at two ends of the hollow spindle, a first bearing block and a second bearing block are respectively arranged on inner sides of the two spline couplers, middle double bearing blocks are arranged in the middle of the hollow spindle, an aligning roller bearing is sleeved in the hollow spindle and arranged on the first bearing block, a triple-ring bearing is sleeved in the hollow spindle and disposed on the second bearing block, two triple-ring bearings are sleeved in the hollow spindle and arranged on the middle double bearing blocks, and two roll sleeves are sleeved into the hollow spindle, are respectively positioned among the first bearing block and the middle double bearing blocks and among the second bearing block and the middle double bearing blocks and are in transition fit with the hollow spindle. The service life of the driving roll is effectively prolonged, repair cost is lowered, the driving roll is assembled and disassembled conveniently, repair efficiency is improved, and normal running of the continuous casting machine is guaranteed.
Description
Technical field
The utility model relates to a kind of slab driven roller of conticaster.
Background technology
The molten steel that converter is produced is cast as slab dissimilar, different size through behind the refining furnace by conticaster, and slab moves to each station of conticaster through driven roller.Usually driven roller is the Contiuum type driven roller; Free side of driven roller and fixation side are respectively equipped with bearing; Intermediate connecting shaft is installed split bearing; Because the maximum shifting amount of the free side bearing of driven roller itself is 4.5mm, can receive the influence of thermal expansion own and built-up welding deviation and parts manufacture deviation during the online use of driven roller, be easy to cause that the bearing hoodle is stuck, driven roller does not change; Simultaneously because the driven roller work under bad environment, course of work serious wear, it rolls off the production line at every turn and all will carry out built-up welding; After the driven roller built-up welding, the dustproof groove of the body of roll, middle water-cooled hole, connecting axle all can corresponding generation deviation, causes each grade of driven roller Concentricity tolerance to enlarge gradually; Take place not change even phenomenon of rupture when causing driven roller work then, and the split bearing damage, the normal operation of conticaster influenced; And the split bearing cost is higher, reach 6.5 ten thousand yuan/individual, so the driven roller maintenance cost is high; It is interference fit that general in addition driven roller cooperated with being connected of shaft coupling, and the magnitude of interference reaches 0.23mm, for very inconvenience of assembly and disassembly, not only needs the long-time heating shaft coupling; So that dismounting, and in unloading process often because the bigger magnitude of interference, the online assignment operating mode is comparatively abominable; And can't be complete pull down shaft coupling, cause the wearing and tearing of driven roller axial region, shaft coupling damages; Can't reuse, reduce the overhaul efficiency of driven roller, and further improve the maintenance cost of driven roller.
Summary of the invention
The utility model technical problem to be solved provides a kind of slab driven roller of conticaster; This driven roller has effectively improved service life, has reduced maintenance cost, has made things convenient for the dismounting operation of driven roller; Improve overhaul efficiency, guaranteed the normal operation of conticaster.
For solving the problems of the technologies described above; The slab driven roller of the utility model conticaster comprises cooling water pipe, hollow mandrel, two sections roller shells, clutch shaft bearing seat, second bearing block, middle double bearing block, aligning roller bearing, three three collar bearings and two spline couplings; Said cooling water pipe is located in the said hollow mandrel through the some A-frames that are provided with at interval; Said two spline couplings are located at said hollow mandrel two ends and are connected through spline; The said clutch shaft bearing seat and second bearing block lay respectively at said two spline coupling inboards; Said aligning roller bearing holder (housing, cover) is gone into said hollow mandrel and is located on the said clutch shaft bearing seat; Said one three collar bearing is inserted in said hollow mandrel and is located on said second bearing block, and said middle double bearing seat is in said hollow mandrel center, and said other two three collar bearings are inserted in said hollow mandrel and are located on the said middle double bearing block; Said two sections roller shells are inserted in the hollow mandrel and lay respectively between said clutch shaft bearing seat and the middle double bearing block and between second bearing block and the middle double bearing block, said two sections roller shells and said hollow mandrel are interference fits.
Because the slab driven roller of the utility model conticaster has adopted technique scheme; Be that cooling water pipe is located in the hollow mandrel through some A-frames; Hollow mandrel two ends are respectively equipped with spline coupling; Two spline coupling inboards are respectively equipped with the clutch shaft bearing seat and second bearing block, are provided with the middle double bearing block in the middle of the hollow mandrel, and aligning roller bearing holder (housing, cover) is gone into the hollow mandrel and is located on the clutch shaft bearing seat; One three collar bearing is inserted in the hollow mandrel and is located on second bearing block; Two three collar bearings are inserted in the hollow mandrel and are located on the middle double bearing block, two sections roller shells be inserted in the hollow mandrel and lay respectively at the clutch shaft bearing seat and the middle double bearing block between and between second bearing block and the middle double bearing block, two sections roller shells and hollow mandrel are interference fits.This driven roller has effectively improved service life, has reduced maintenance cost, has made things convenient for the dismounting operation of driven roller, has improved overhaul efficiency, has guaranteed the normal operation of conticaster.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:
Fig. 1 is the structural representation of the slab driven roller of the utility model conticaster.
The specific embodiment
As shown in Figure 1; The slab driven roller of the utility model conticaster comprises cooling water pipe 1, hollow mandrel 2, two sections roller shells 31 and 32, clutch shaft bearing seat 4, second bearing block 5, middle double bearing block 6, aligning roller bearing 7, three three collar bearings 8 and 9 and two spline couplings 10; Said cooling water pipe 1 is located in the said hollow mandrel 2 through the some A-frames 11 that are provided with at interval; Said two spline couplings 10 are located at said hollow mandrel 2 two ends and are connected through spline; The said clutch shaft bearing seat 4 and second bearing block 5 lay respectively at said two spline coupling 10 inboards; Said aligning roller bearing 7 is inserted in said hollow mandrel 2 and is located on the said clutch shaft bearing seat 4; Said one three collar bearing 8 is inserted in said hollow mandrel 2 and is located on said second bearing block 5; Said middle double bearing block 6 is positioned at said hollow mandrel 2 centers; Said in addition two three collar bearings 9 are inserted in said hollow mandrel 2 and are located on the said middle double bearing block 6, and said two sections roller shells 31 and 32 are inserted in hollow mandrel 2 and lay respectively between said clutch shaft bearing seat 4 and the middle double bearing block 6 and between second bearing block 5 and the middle double bearing block 6, said two sections roller shells 31 and 32 and said hollow mandrel 2 are interference fits.
This driven roller replaces original radial roller bearing and split bearing at hollow mandrel one end and middle three collar bearings that adopt; Because three collar bearings have bigger shifting amount; Can reach 9mm; Thereby revised because the problem that driven roller causes at linear thermal expansion, roll surface built-up welding and parts manufacture deviation; Can obtain to satisfy online center adjusting value of driven roller and dynamic bearing capacity equally, and three collar bearings replace split bearing and have greatly reduced maintenance cost, three collar bearings that three collar bearings in this driven roller can adopt Japanese KOYO company to produce; Adopt hollow mandrel and roller shell to replace the driven roller design of original integral type simultaneously; Improved the problem of stress concentration of intermediate connecting shaft, the driven roller backsight roller shell abrasion condition that rolls off the production line can be implemented built-up welding processing to roller shell separately; Made things convenient for the built-up welding operation of roller shell; Improve built-up welding efficient, and needn't consider the eccentricity issues of the hollow mandrel and the body of roll, the service life of effectively having improved driven roller again.Further; The hollow mandrel two ends of this driven roller connect through spline coupling, make driven roller easy accessibility in upkeep operation, and shaft coupling is reusable; Changed the situation of former driven roller rotating shaft and shaft coupling interference fit; Reduced the dismounting operations labor intensity, time saving and energy saving, practice thrift maintenance cost.
This driven roller is through actual use at the scene, and can reach more than 10 months its service life, thereby prolonged the life-span of whole piece continuous casting unit; Guaranteed the normal operation of unit; Not only solve short problem of driven roller life-span, also solved the reusable problem of shaft coupling, and reduced maintenance cost; Shorten maintenance time, improved operating efficiency.
Claims (1)
1. the slab driven roller of a conticaster; Comprise cooling water pipe; It is characterized in that: also comprise hollow mandrel, two sections roller shells, clutch shaft bearing seat, second bearing block, middle double bearing block, aligning roller bearing, three three collar bearings and two spline couplings; Said cooling water pipe is located in the said hollow mandrel through the some A-frames that are provided with at interval; Said two spline couplings are located at said hollow mandrel two ends and are connected through spline; The said clutch shaft bearing seat and second bearing block lay respectively at said two spline coupling inboards, and said aligning roller bearing holder (housing, cover) is gone into said hollow mandrel and is located on the said clutch shaft bearing seat, and said one three collar bearing is inserted in said hollow mandrel and is located on said second bearing block; Said middle double bearing seat is in said hollow mandrel center; Said in addition two three collar bearings are inserted in said hollow mandrel and are located on the said middle double bearing block, and said two sections roller shells are inserted in the hollow mandrel and lay respectively between said clutch shaft bearing seat and the middle double bearing block and between second bearing block and the middle double bearing block, said two sections roller shells and said hollow mandrel are interference fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202190426U CN202155499U (en) | 2011-06-27 | 2011-06-27 | Slab driving roll of continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202190426U CN202155499U (en) | 2011-06-27 | 2011-06-27 | Slab driving roll of continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202155499U true CN202155499U (en) | 2012-03-07 |
Family
ID=45763148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202190426U Expired - Fee Related CN202155499U (en) | 2011-06-27 | 2011-06-27 | Slab driving roll of continuous casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202155499U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014104A (en) * | 2018-10-24 | 2018-12-18 | 东北大学 | Bent ditch cooling trough drives roller core shaft under a kind of solidification end weight |
| CN109128070A (en) * | 2018-10-24 | 2019-01-04 | 东北大学 | The driven roller core shaft of bent ditch cooling trough under a kind of solidification end weight |
| CN110926220A (en) * | 2019-12-11 | 2020-03-27 | 四川德胜集团钒钛有限公司 | Cooling structure of discharging ground roller of heating furnace |
-
2011
- 2011-06-27 CN CN2011202190426U patent/CN202155499U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014104A (en) * | 2018-10-24 | 2018-12-18 | 东北大学 | Bent ditch cooling trough drives roller core shaft under a kind of solidification end weight |
| CN109128070A (en) * | 2018-10-24 | 2019-01-04 | 东北大学 | The driven roller core shaft of bent ditch cooling trough under a kind of solidification end weight |
| CN110926220A (en) * | 2019-12-11 | 2020-03-27 | 四川德胜集团钒钛有限公司 | Cooling structure of discharging ground roller of heating furnace |
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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 |
Granted publication date: 20120307 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |