CN201353637Y - Segmental roller of broad and thick continuous caster - Google Patents
Segmental roller of broad and thick continuous caster Download PDFInfo
- Publication number
- CN201353637Y CN201353637Y CNU2008203038068U CN200820303806U CN201353637Y CN 201353637 Y CN201353637 Y CN 201353637Y CN U2008203038068 U CNU2008203038068 U CN U2008203038068U CN 200820303806 U CN200820303806 U CN 200820303806U CN 201353637 Y CN201353637 Y CN 201353637Y
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- China
- Prior art keywords
- roller
- minor axis
- bearing
- respectively equipped
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 238000009749 continuous casting Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000002301 combined effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a segmental roller of a broad and thick continuous caster, which comprises a plurality of short beam barrels, a connection shaft sleeve which is respectively connected with the short beam barrels, a bearing seat which is respectively arranged at both ends of the short beam barrel, a plurality of sealing devices, a left end cover and a right end cover, wherein a roll shaft on both ends of the short beam barrels is respectively inserted on the bearing seat, and a rolling bearing is arranged between the roll shaft and the bearing seat; the sealing devices are respectively arranged between the bearing seat and the end surfaces of the short beam barrels; and the left and the right end covers are respectively fixed on the outer end surface of the two beam barrels at the most outer end, and the bearing end cover is respectively connected with a rotating joint in a threading way which is used for filling water inside a roll shaft through hole of the short beam barrels. The segmental roller is formed by sequentially joining different short beam barrels through the connection shaft sleeves, and the bearing seat at one end of each short beam barrel is fixed, and one end is free, so that the segmental roller can be freely inflated under the combined effect of the mechanical stress and the temperature stress, thereby solving the problems of the prior segmental roller that the cost is high, the service life is short, and the segmental roller is easy to be scraped during the installation, dismantling and maintenance process.
Description
Technical field
The utility model relates to the roller system of sheet billet continuous casting machine host, particularly relates to a kind of metamerism roller of wide thickness plate continuous casting machine.
Background technology
The roller of present sheet slab conticaster of going into operation, though be merogenesis, its structure is by an elongated mandrel, four bearings is cascaded, again with the structure of three flat keys with mandrel and roller shell embedding knot.The old structure of this tradition has following shortcoming:
1. roller is under the synergy of machinery, temperature load, and this redundant structure force way under bad working environments, can produce extra additional load, quickens the damage of parts such as bearing, has shortened bearing life greatly;
2. cooling water cools off mandrel earlier, by mandrel cooling is conducted in body of roll temperature rise indirectly again.Because the keyway gap is arranged, mandrel and body of roll fit-up gap are separated by, and stop the heat conduction, and cooling effect is bad.
3. not only thin but also long steel alloy mandrel, with four bearings of string, concentricity, axiality, ovality, center process elongated hole again, requirement on machining accuracy height, cost costliness.Reach installation at work, dismounting, very easily crooked and scrap in the maintenance process, be its weak link.
The utility model content
Technical problem to be solved in the utility model is the metamerism roller cost height that solves the wide thickness plate continuous casting machine, and the life-span is short, and dismounting, the problem of scrapping easily in the maintenance process are installed.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted provides a kind of metamerism roller of wide thickness plate continuous casting machine, it comprises some joint minor axis rollers, the connecting bushing that connects adjacent minor axis roller respectively, be separately positioned on the bearing block at minor axis roller two ends, some sealing devices and a left side, right end cap, the two ends of described minor axis roller are respectively equipped with roll shaft and the minor axis roller is provided with a beaming roller through hole along its central axis, it is identical with the external diameter of described connecting bushing that the two ends of described beaming roller through hole are respectively equipped with counter bore hole diameters relative between counterbore and the adjacent minor axis roller, and connecting bushing is inserted into respectively and connects two adjacent minor axis rollers in the counterbore; The roll shaft at minor axis roller two ends be inserted into respectively on the bearing block and with bearing block between be respectively equipped with rolling bearing: described sealing device is separately positioned between the end face of relative bearing block and minor axis roller; Described left and right end cap is separately fixed on the outer face of two minor axis rollers of outermost end, is bolted with the swivel joint that is used for water filling in the beaming roller through hole of minor axis roller on the bearing (ball) cover respectively.
In the such scheme, the middle part of described connecting bushing is provided with necking part, be respectively equipped with two annular grooves on the outer circumference surface between this necking part and the connecting bushing both ends of the surface, be respectively equipped with the sealing of O shape ring in the described annular groove, be respectively equipped with cross bath on the both ends of the surface of connecting bushing.
Described O shape ring is sealed into the rubber ring that fluorubber and slim reinforced TFE (PTFE) slip ring combine.
Described sealing device comprises folded ring of stainless steel and rubber oil seal with reinforce, and the folded ring of described stainless steel is arranged on the outside of rubber oil seal with reinforce.
Be respectively equipped with two annular cooling water roads on the bearing mounting hole inwall of described bearing block, bearing block is provided with two rolling bearing cooling water injection holes and the lubricated oil filler point of rolling bearing, described rolling bearing cooling water injection hole is communicated with described annular cooling water road respectively, and the lubricated oil filler point of described rolling bearing is communicated with the Lubrication of Rolling Contact Bearing oil duct; Also being respectively equipped with minor axis roller cooling water injection hole, a described minor axis roller on the bearing block at two ends cools off water injection hole and is communicated with the beaming roller through hole of minor axis roller.
The utility model no longer adopts not only thin but also long steel alloy mandrel structure, be connected in sequence by connecting bushing by a plurality of minor axis rollers, disposed rolling bearing at each minor axis roller two ends, and the bearing block of an end is fixed, one end freedom, the structure that belongs to static determinacy, but free wxpansion under the synergy of machinery and temperature stress can not take place because the static indeterminacy configuration produces extra additional load.Solved metamerism roller cost height, the life-span is short, and dismounting, the problem of scrapping easily in the maintenance process are installed.
Description of drawings
Fig. 1 is the structural representation of the metamerism roller of the utility model wide thickness plate continuous casting machine;
Fig. 2 is the A-A profile among Fig. 1;
Fig. 3 is the B-B profile among Fig. 1;
Fig. 4 is the I portion enlarged drawing among Fig. 1;
Fig. 5 for the C among Fig. 1 to view (only expressing bearing block);
Fig. 6 is the connecting bushing structural representation in the metamerism roller;
Fig. 7 is the left view of the connecting bushing in the metamerism roller among Fig. 6.
The specific embodiment
Specify preferred implementation of the present utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model comprises some joint minor axis rollers 1, connects the connecting bushing 6 of adjacent minor axis roller, the bearing block 3 that is separately positioned on minor axis roller 1 two ends, some sealing devices and left and right end cap 8 respectively, the two ends of described minor axis roller 1 are respectively equipped with roll shaft 11 and minor axis roller 1 is provided with a beaming roller through hole 12 along its central axis, it is identical with the external diameter of described connecting bushing 6 that the two ends of described beaming roller through hole 12 are respectively equipped with counter bore hole diameters relative between counterbore and the adjacent minor axis roller, connecting bushing 6 be inserted into respectively connect two adjacent minor axis rollers in this counterbore should; The roll shaft 11 at minor axis roller 1 two ends be inserted into respectively on the bearing block 3 and and bearing block 3 between be respectively equipped with rolling bearing 2.
In conjunction with Fig. 4, Fig. 6 and Fig. 7, the middle part of described connecting bushing 6 is provided with necking part, be respectively equipped with two annular grooves 61 on the outer circumference surface between this necking part and the connecting bushing both ends of the surface, be respectively equipped with O shape ring sealing 7 in the annular groove 61, O shape ring is sealed into the rubber ring that fluorubber and slim reinforced TFE (PTFE) slip ring combine.Be respectively equipped with cross bath on the both ends of the surface of connecting bushing 6.Necking part is set, makes things convenient for the workman to take with hand, but and both axial location of the cross bath on the both ends of the surface, available again simple and easy hook is drawn out, and is for convenience detach.
Described sealing device is separately positioned between the end face of relative bearing block and minor axis roller, comprises folded ring 4 of stainless steel and rubber oil seal with reinforce 5, and the folded ring 4 of stainless steel is arranged on the outside of rubber oil seal with reinforce 5.Described left and right end cap 8 is separately fixed on the outer face of two minor axis rollers of outermost end, is bolted with the swivel joint 9 that is used for water filling in the beaming roller through hole 12 of minor axis roller 1 on the bearing (ball) cover 8 respectively.
As shown in Figure 5, Fig. 5 be C among Fig. 1 to view, only express bearing block among the figure, this figure is the utility model cooling and lubricates schematic diagram.Be respectively equipped with two annular cooling water roads on the bearing mounting hole inwall of described bearing block, the bottom surface of the bearing block 31 at left and right two ends is provided with minor axis roller cooling water injection hole 34, two rolling bearing cooling water injection holes 35 and the lubricated oil filler points 33 of rolling bearing, described minor axis roller cooling water injection hole 34 is communicated with the beaming roller through hole 12 of minor axis roller 1, described rolling bearing cooling water injection hole 35 is communicated with described annular cooling water road respectively, and the lubricated oil filler point 33 of described rolling bearing is communicated with the Lubrication of Rolling Contact Bearing oil duct; The bottom surface of middle bearing block 32 is provided with two rolling bearing cooling water injection holes 35 and the lubricated oil filler point 33 of rolling bearing, described rolling bearing cooling water injection hole 35 is communicated with described spiral type groove respectively, and the lubricated oil filler point 33 of described rolling bearing is communicated with the Lubrication of Rolling Contact Bearing oil duct.
The utility model, minor axis roller and rolling bearing all have reliable cooling in the high-temperature operation district, and the direct cooling of minor axis roller is by 9 water supply of the swivel joint on the bearings at both ends lid 8, backwater, in addition, each bearing block 3 has reasonably disposed two cooling water channels, and rolling bearing is effectively cooled off.
Rolling bearing has combination sealing preferably, and the first line of defence has stoped entering of tiny iron scale by the folded ring 4 of stainless steel; Defence line, second road is to be reached 250 ℃ the fluorubber oil sealing 5 that skeleton is arranged by heatproof, guarantees bearing reliably working in clean lubricated environment.Like this, rolling bearing is cooled off reliably, is lubricated, and has guaranteed the operate as normal of parts under heavy load, high temperature bad working environments.
Minor axis roller of the present utility model can adopt different length, when using on casting machine, oppositely installs with adjacent long and short roller relatively, so that stagger relatively in the bearing block position.The purpose of doing like this is in the strand running, avoids casting billet surface because vertically impression takes place significantly in the bearing block alignment, thereby improves slab quality.
Technical scheme described in the utility model is not limited to above-mentioned embodiment; for the one of ordinary skilled in the art; do not break away under the situation of flesh and blood of the present utility model; can make different modification and improvement; use needs as long as satisfy, all in protection domain of the present utility model.
Claims (5)
1. the metamerism roller of wide thickness plate continuous casting machine comprises some joint minor axis rollers, it is characterized in that, also comprises:
The connecting bushing that connects adjacent minor axis roller respectively, the two ends of described minor axis roller are respectively equipped with roll shaft and the minor axis roller is provided with a beaming roller through hole along its central axis, it is identical with the external diameter of described connecting bushing that the two ends of described beaming roller through hole are respectively equipped with counter bore hole diameters relative between counterbore and the adjacent minor axis roller, and connecting bushing is inserted into respectively and connects two adjacent minor axis rollers in the counterbore;
Be separately positioned on the bearing block at minor axis roller two ends, the roll shaft at minor axis roller two ends be inserted into respectively on the bearing block and and bearing block between be respectively equipped with rolling bearing:
Some sealing devices are separately positioned between relative bearing block and the minor axis roller opposing end faces;
Left and right end cap is separately fixed on the outer face of two minor axis rollers of outermost end, is bolted with the swivel joint that is used for water filling in the beaming roller through hole of minor axis roller on the bearing (ball) cover respectively.
2. the metamerism roller of wide thickness plate continuous casting machine according to claim 1, it is characterized in that, the middle part of described connecting bushing is provided with necking part, be respectively equipped with two annular grooves on the outer circumference surface between this necking part and the connecting bushing both ends of the surface, be respectively equipped with the sealing of O shape ring in the described annular groove, be respectively equipped with cross bath on the both ends of the surface of connecting bushing.
3. the metamerism roller of wide thickness plate continuous casting machine according to claim 2 is characterized in that, described O shape ring is sealed into the rubber ring that fluorubber and slim reinforced TFE (PTFE) slip ring combine.
4. according to the metamerism roller of claim 1 to 3 a described wide thickness plate continuous casting machine of each claim, it is characterized in that described sealing device comprises folded ring of stainless steel and rubber oil seal with reinforce, the folded ring of described stainless steel is arranged on the outside of rubber oil seal with reinforce.
5. the metamerism roller of wide thickness plate continuous casting machine according to claim 4, it is characterized in that being respectively equipped with two annular cooling water roads on the bearing mounting hole inwall of described bearing block, bearing block is provided with two rolling bearing cooling water injection holes and the lubricated oil filler point of rolling bearing, described rolling bearing cooling water injection hole is communicated with described annular cooling water road respectively, and the lubricated oil filler point of described rolling bearing is communicated with the Lubrication of Rolling Contact Bearing oil duct; Also being respectively equipped with minor axis roller cooling water injection hole, a described minor axis roller on the bearing block at two ends cools off water injection hole and is communicated with the beaming roller through hole of minor axis roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203038068U CN201353637Y (en) | 2008-12-29 | 2008-12-29 | Segmental roller of broad and thick continuous caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203038068U CN201353637Y (en) | 2008-12-29 | 2008-12-29 | Segmental roller of broad and thick continuous caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201353637Y true CN201353637Y (en) | 2009-12-02 |
Family
ID=41409978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203038068U Expired - Fee Related CN201353637Y (en) | 2008-12-29 | 2008-12-29 | Segmental roller of broad and thick continuous caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201353637Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941328A (en) * | 2012-11-09 | 2013-02-27 | 宁波中超机器有限公司 | Continuous casting roller |
| CN105081250A (en) * | 2014-05-23 | 2015-11-25 | Skf公司 | Roll module for roll line of continuous casting 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 |
| CN109469734A (en) * | 2018-12-06 | 2019-03-15 | 中信重工机械股份有限公司 | An underwater rotary seal matched with a submerged shaft boring machine |
| CN110762204A (en) * | 2019-11-05 | 2020-02-07 | 攀钢集团西昌钢钒有限公司 | A kind of porous composite sealing plate |
| CN113145814A (en) * | 2021-04-19 | 2021-07-23 | 中钢集团西安重机有限公司 | Continuous casting free roll |
-
2008
- 2008-12-29 CN CNU2008203038068U patent/CN201353637Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941328A (en) * | 2012-11-09 | 2013-02-27 | 宁波中超机器有限公司 | Continuous casting roller |
| CN105081250A (en) * | 2014-05-23 | 2015-11-25 | Skf公司 | Roll module for roll line of continuous casting 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 |
| CN109469734A (en) * | 2018-12-06 | 2019-03-15 | 中信重工机械股份有限公司 | An underwater rotary seal matched with a submerged shaft boring machine |
| CN110762204A (en) * | 2019-11-05 | 2020-02-07 | 攀钢集团西昌钢钒有限公司 | A kind of porous composite sealing plate |
| CN110762204B (en) * | 2019-11-05 | 2022-02-15 | 攀钢集团西昌钢钒有限公司 | A kind of porous composite sealing plate |
| CN113145814A (en) * | 2021-04-19 | 2021-07-23 | 中钢集团西安重机有限公司 | Continuous casting free roll |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091202 Termination date: 20131229 |