EP1928618A1 - Einrichtung zum wechseln eines stützrollen-segmentes der strangführung einer bogenstranggiessmaschine für flüssige metalle, insbesondere für flüssigen stahl - Google Patents
Einrichtung zum wechseln eines stützrollen-segmentes der strangführung einer bogenstranggiessmaschine für flüssige metalle, insbesondere für flüssigen stahlInfo
- Publication number
- EP1928618A1 EP1928618A1 EP06818607A EP06818607A EP1928618A1 EP 1928618 A1 EP1928618 A1 EP 1928618A1 EP 06818607 A EP06818607 A EP 06818607A EP 06818607 A EP06818607 A EP 06818607A EP 1928618 A1 EP1928618 A1 EP 1928618A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- segment
- guide
- support roller
- change
- last
- 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.)
- Granted
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 5
- 239000007788 liquid Substances 0.000 title claims abstract description 5
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 5
- 239000010959 steel Substances 0.000 title claims abstract description 5
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1285—Segment changing devices for supporting or guiding frames
Definitions
- the invention relates to a device for changing a supporting roller segment of the strand guide of a continuous sheet casting machine for liquid metals, in particular for liquid steel materials, with a track path forming the change path from the operating location of the respective supporting roller segment in the strand guide via an arch to the continuous casting platform, in pairs thereof
- the support roller segments were mounted individually, suspended on a segment change chain that can be pulled out or lowered by crane, removed on replacement wheels rotatably mounted on the support roller segments, or reinstalled after maintenance.
- Such a device for changing a support roller segment in the designated area is known from EP 1 506 066 B1.
- this design aims at a higher load-bearing capacity and uses a first and a second crossbeam, with left and right angle supports for the absorption of vertical force components with segment weights up to 601 for the heavy load.
- the invention is based on the object of compensating for the high deflection forces resulting from the geometry of the interchangeable rails and the weight of the removal chain and the transverse forces arising in the upper side region of the support roller segment while at the same time reducing the delivery weight of the support roller segment, so that at more economical power distribution a saving in effort is achieved.
- the object is achieved according to the invention in that only one pair of change wheels is arranged on the segment frame for each support roller segment and in that the last, bottom link of the segment change chain is provided with a pair of guide wheels which are spaced apart from the curve of the rail guide.
- the advantages are a reduction in the delivery weight for the support roller segments by several tons in a continuous casting machine (namely for the main delivery and additional replacement segments), lower lateral forces in the upper side area of a support roller segment and the elimination of the otherwise usual safety bolts on the segment change chain the swinging of the last tab secures.
- the change gear pair is arranged in the lower region of the segment frame, but approximately 100 to 120 mm higher than the usual arrangement.
- the absorption of forces by the segment change chain is favored by the fact that the center distance of the guide wheel pair to the last, lowest link of the segment change chain is significantly less than the axis distance between two other segment change chain links.
- the center distance between the last, lowest link of the segment change chain and the guide wheel pair is approximately 50% of the respective axis distances of the other segment change chain links from one another.
- FIG. 2 shows a front view of the changing device with crane, segment changing chain, changing rail geometry and the one to be transported
- a strand guide 2 shows a support roller segment 1 that is already to be replaced in the removal or installation path.
- a bow 2a of a rail guide is assigned to each support roller segment 1.
- the curve 2a leads vertically from the operating location of the respective support roller segment to the continuous casting platform and is designed as a track guide 3 with spaced rails 3a and 3b (FIG. 2).
- the respective support roller segment 1 hangs on the crane 4 by means of a segment change chain 5.
- the support roller segment 1 itself has so far been guided in the rails 3a and 3b by means of two such change gear pairs 6. Since the invention applies to the previous upper change gear pair u.a. waived to save weight, only one change gear pair 6 is present on the segment frame 1 a according to FIG. 1.
- a support roller segment 1 is thus moved for removal or installation by means of the segment change chain 5 hanging forwards or backwards on the crane 4.
- the special feature of the invention is that only one change wheel pair 6 is provided for each support roller segment 1 on the segment frame 1a and that the last, lowest link 5b of the segment change chain 5 is provided with a pair of guide wheels 7 which are spaced apart from the curve 2a of the rail guide 3 . There- This results in a particularly favorable support of the support roller segment 1, which weighs several tons. On the one hand the support roller segment 1 is supported in the rails 3a and 3b and on the other hand the wheels of the last, lowest segment change chain link 5b take over the other, statically determined load share. However, this load share is divided between the guide wheels 7 and the wheels of the last, lowest segment change chain link 5b.
- the adaptation of the support forces is based on empirical values, such as, for example, that the change gear pair 6 is arranged in the lower region of the segment frame 1 a, but approx. 100-120 mm higher than the conventional (known) design.
- the other end of the support in the direction of transport of the support roller segment 1 is carried out in such a way that the center distance 8 of the guide wheel pair 7 from the last, lowest link 5b of the segment change chain 5 is set significantly less than the axis distance 9 between two other segment change chain links 5a.
- the center distance 8 between the last lowermost link 5b of the segment change chain 5 and the guide wheel pair 7 can be approx.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Continuous Casting (AREA)
- Rolls And Other Rotary Bodies (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005058753A DE102005058753A1 (de) | 2005-12-08 | 2005-12-08 | Einrichtung zum Wechseln eines Stützrollen-Segmentes der Strangführung einer Bogenstranggießmaschine für flüssige Metalle, insbesondere für flüssigen Stahl |
PCT/EP2006/011022 WO2007065546A1 (de) | 2005-12-08 | 2006-11-17 | Einrichtung zum wechseln eines stützrollen-segmentes der strangführung einer bogenstranggiessmaschine für flüssige metalle, insbesondere für flüssigen stahl |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1928618A1 true EP1928618A1 (de) | 2008-06-11 |
EP1928618B1 EP1928618B1 (de) | 2009-07-29 |
Family
ID=37775179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06818607A Not-in-force EP1928618B1 (de) | 2005-12-08 | 2006-11-17 | Einrichtung zum wechseln eines stützrollen-segmentes der strangführung einer bogenstranggiessmaschine für flüssige metalle, insbesondere für flüssigen stahl |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1928618B1 (de) |
CN (1) | CN101378865B (de) |
AT (1) | ATE437711T1 (de) |
DE (2) | DE102005058753A1 (de) |
WO (1) | WO2007065546A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010149610A1 (de) * | 2009-06-25 | 2010-12-29 | Siemens Vai Metals Technologies Gmbh | Einrichtung zum wechseln eines segments in einer strangführung einer stranggiessmaschine zum vergiessen von flüssigem metall |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108584304A (zh) * | 2018-05-20 | 2018-09-28 | 上海力格郎环保科技有限公司 | 一种自动传输下降装置中的下降总成 |
DE102021207301A1 (de) * | 2021-07-09 | 2023-01-12 | Sms Group Gmbh | Strangführungseinrichtung und Verfahren zum Stranggießen eines metallischen Produkts in einer Stranggießanlage mit einer solchen Strangführungseinrichtung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735848A (en) * | 1972-03-22 | 1973-05-29 | Pittsburgh Steel Corp | Idler roll mounting construction |
JPS62142057A (ja) * | 1985-12-16 | 1987-06-25 | Kobe Steel Ltd | 連続鋳造設備におけるロ−ルセグメントの交換装置 |
-
2005
- 2005-12-08 DE DE102005058753A patent/DE102005058753A1/de not_active Withdrawn
-
2006
- 2006-11-17 AT AT06818607T patent/ATE437711T1/de active
- 2006-11-17 EP EP06818607A patent/EP1928618B1/de not_active Not-in-force
- 2006-11-17 CN CN2006800414369A patent/CN101378865B/zh not_active Expired - Fee Related
- 2006-11-17 WO PCT/EP2006/011022 patent/WO2007065546A1/de active Application Filing
- 2006-11-17 DE DE502006004400T patent/DE502006004400D1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2007065546A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010149610A1 (de) * | 2009-06-25 | 2010-12-29 | Siemens Vai Metals Technologies Gmbh | Einrichtung zum wechseln eines segments in einer strangführung einer stranggiessmaschine zum vergiessen von flüssigem metall |
Also Published As
Publication number | Publication date |
---|---|
CN101378865A (zh) | 2009-03-04 |
DE502006004400D1 (de) | 2009-09-10 |
DE102005058753A1 (de) | 2007-06-14 |
CN101378865B (zh) | 2011-08-17 |
WO2007065546A1 (de) | 2007-06-14 |
ATE437711T1 (de) | 2009-08-15 |
EP1928618B1 (de) | 2009-07-29 |
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