WO2006108596A1 - Antriebsspindel für den hauptantrieb eines walzgerüsts - Google Patents
Antriebsspindel für den hauptantrieb eines walzgerüsts Download PDFInfo
- Publication number
- WO2006108596A1 WO2006108596A1 PCT/EP2006/003271 EP2006003271W WO2006108596A1 WO 2006108596 A1 WO2006108596 A1 WO 2006108596A1 EP 2006003271 W EP2006003271 W EP 2006003271W WO 2006108596 A1 WO2006108596 A1 WO 2006108596A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plunger
- drive spindle
- spindle according
- shaft
- roller
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
- B21B35/141—Rigid spindle couplings, e.g. coupling boxes placed on roll necks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
- B21B35/147—Lubrication of spindle couplings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/14—Rotary member or shaft indexing, e.g., tool or work turret
- Y10T74/1471—Plural operators or input drives
Definitions
- the invention relates to a drive spindle for the main drive of a roll stand, comprising: a first shaft for transmitting torque from a drive motor to a coupling element, in particular to a splined profile, and a second shaft for transmitting the torque from the coupling element, in particular the splined profile over a hinge to a roll of the roll stand, wherein the rotary joint comprises a roller hit, which is rotatably connected to the roller, and a second spindle head, which is rotatably connected to the second shaft, and wherein the rotational connection between roller hit and spindle head by sliding blocks and a Pin is made, which is rotatably connected to the spindle head, but a tilt angle between the axis of rotation of the roller and the axis of rotation of the second shaft is mounted to allow.
- Drive spindles for the mainframe main drive of this type must often be designed as Axialverschiebesystem to accomplish a length compensation can.
- drive shafts are usually used with universal joints.
- DE 29 26 710 C2 proposes a shaft assembly with universal joints for roller drive.
- a propeller shaft without restriction the rotation diameter so that the flexion angle of each universal joint during standstill of the propeller shaft can be limited to an arbitrary value it is proposed that one end of a bolt located in the universal joint is angularly movably received in a radially movable to the coupling axis element of a yoke, while the movable member is fixable in any position with a locking device.
- connection hit with automatic clearance compensation for connecting a roll neck with a drive spindle for a rolling stand is known.
- wedge-shaped drivers for the roll neck are provided, which are arranged slidably on two pairwise cooperating, in the connection piece after the inside inclined towards the center and prism angle corresponding to the wedge angle of the driver prism surfaces. This is intended that the play compensation is effective on all sides of the roll neck and able to compensate automatically by wear or when replacing rolls resulting dimensional differences.
- Cardan shafts with universal joints are filigree and thus expensive. Furthermore, it is usually necessary that they have to be maintained in special workshops, which represents a high logistical effort.
- the invention is therefore based on the object, a drive spindle for the main drive of a rolling stand of the type mentioned with a flat-pin spindle equip so that the disadvantages mentioned are prevented. It should also be in the execution of the function of length compensation of the drive spindle a robust, simple design and thus inexpensive and easy to maintain arrangement can be created. The aim is also that the hit with the roller can remain firmly connected.
- the solution of this problem by the invention is characterized in that between the roller hit and the spindle head, which is arranged near the roller, a bearing element for receiving forces in the direction of the axes of the second shaft and the roller is arranged, wherein between the two bearing elements a plunger for transmitting axial forces between the roller hit and the spindle head is arranged.
- a plunger is integrated into the rotary joint, which provides in cooperation with special bearing elements for the Axialkraftübertragung.
- an axial balancing force can thus be transmitted via the ram, whereby the articulated stones in the spindle head only have to transmit the drive torque and are not loaded by the axial force.
- the drive spindle can thus be charged the same, as would be the case without length compensation.
- the hit can remain on the roller.
- An additional spindle head holder is not required.
- a first development of the invention provides that the bearing elements are arranged concentrically to the respective axes of rotation of the roller and the second shaft.
- the bearing elements preferably together with the plunger form a plain bearing point.
- the bearing elements in the contact region with the plunger may have a concave shape in section and the end regions of the plunger may have a convex shape corresponding to the concave shape. It is particularly advantageous if the bearing elements in the contact region with the plunger have, in section, essentially the shape of a hemisphere.
- the pin may be substantially plate-shaped and have a recess for the passage of the plunger.
- the recess preferably has a conical shape, so that the plunger is movable in certain angular limits.
- the plunger is pin-shaped, ie it then has a circular cross-section.
- the ratio of its length to its diameter is preferably between 4 and 10, preferably between 5.5 and 8.5.
- the radius of the hemisphere of bearing elements and plunger is preferably between half and twice the plunger diameter. In general, it applies here that the radii of the contact regions between the bearing elements and the plunger should be made sufficiently large in order to keep wear low. Although the relative movement increases substantially linearly with the radius, the surface pressure decreases quadratically with increasing radius. Therefore, the radius is preferably chosen large.
- a lubricant channel passing through the spindle head opens, via which lubricant can be supplied to the contact region.
- a particularly preferred embodiment of the invention provides that only in the contact region between one of the bearing elements and the plunger of the lubricant channel opens and that the plunger has a longitudinal bore passing through it for conveying lubricant in the region of the other bearing element.
- the bearing elements are made of a self-lubricating material, in particular of such having graphite.
- the plunger consists of several interconnected components.
- the plunger may consist of a rod member, at the ends of each a plunger head is arranged.
- the components can be connected to each other with a screw.
- multi-part design of the plunger has the advantage that only one head of the plunger can be replaced when worn.
- a design with a large plunger head may require demountability, because only then can the plunger with its slender central part be inserted through the passage bore in the journal.
- ribs have proven to be preferred, which are preferably arranged in the region of at least one axial end of the plunger.
- the cooling of the spindle and turn the contact point between the plunger and bearing elements is further improved by the fact that the plunger has at least one bore for passing a cooling medium; It is advantageously arranged at least one bore in the axial end region of the plunger. By passing a cooling medium, such as water, so that efficient cooling can be achieved.
- the top view of the drive spindles according to FIG. 1 a, 2 is an enlarged view of the two drive spindles according to Fig. 1a,
- FIG. 5 is an enlarged view of the upper part of Fig. 3,
- FIG. 7 shows an alternative embodiment of the invention in a representation of FIG. 5 and
- Fig. 8 shows the plunger in perspective view.
- Fig. 1a and 1b two drive spindles 1 for driving two rollers 6 can be seen in a rolling stand.
- the drive spindles 1 are driven (right) by drive motors 2.
- the torque of the motors is transmitted to the rollers 6 (left).
- Both drive spindles 1 have two shafts 3 and 5.
- the roller 6 rotates about an axis of rotation 10, which is arranged horizontally.
- the second axis of rotation 11 of the shafts 3 and 5 is present at a small tilt angle ⁇ to the horizontal, the z. B. between 2 ° and 12 °.
- a rotary joint 4 is arranged between the roller 6 and the second shaft. This is done in the manner of a flat pin joint.
- the rotary joint 4 consists of two elements, namely from the roller hit 7 and the spindle head 8, the torsionally stiff, but are pivotally connected to each other.
- a pin (flat pin) 9 is formed, which extends into a corresponding recess in the spindle head 8 and is stored there.
- the second shaft 5 is connected at its end facing away from the rotary joint 4 via a coupling element in the form of a splined profile (see Fig. 2) with the first shaft 3.
- a coupling element in the form of a splined profile (see Fig. 2) with the first shaft 3.
- each bearing element 12, 13 has a dome-shaped concave recess, d. H. a hemispherical shape, as best seen in FIG.
- the radius R of the calotte is between half and twice the ram diameter D. As already mentioned above, the radius R is chosen to be large enough to keep wear low. The surface pressure between the bearing element 12, 13 and plunger 14 is thus kept low.
- a plunger 14 is arranged, which is suitable for transmitting axial forces from one spindle head to the other. This ensures that the pin 9 itself is not acted upon by axial forces; this only has the sliding blocks 9a and 9b, s. Figs. 3 and 4, hold.
- the plunger 14 is designed as a cylindrical pin and formed in its two end regions 15 and 16 corresponding to the dome shape of the bearing elements 12, 13.
- a conical recess 17 is provided, which is suitable for the axial passage of the plunger 14 (see Fig. 5). So that the plunger 14 does not fall apart at separate parts roller hit 7 and spindle head 8, it is arranged captive in the spindle head 8.
- means 18 are provided. As can be seen from Fig. 5, these means 18 consist of a ring 22 which is fixed by means of a securing element 23 on the plunger 14. By a screwed-locking element 24 and by a projection 25 so that the axial freedom of movement of the plunger 14 is limited relative to the spindle head 8.
- a lubricant channel 19 is arranged, the mouth of which lies on the dome surface of the bearing element 13 with the intersection of this surface with the axis of rotation 11.
- grease is supplied under pressure, so that the contact surface between the (right) end 16 of the plunger 14 with the bearing element 13 is well lubricated.
- the plunger 14 is provided with a complete and centrally passing through longitudinal bore 20. Through this hole, grease can get from the right tappet end to the left.
- the plunger 14 undergoes no rotation during operation of the spindle assembly, but it performs a tumbling motion about its longitudinal axis.
- the intended lubricant supply ensures good lubrication of the bearings.
- the friction situation in the bearing point can be favored by the fact that self-lubricating materials are used.
- one of the two pivot points is arranged at the hemispherical ends of the plunger 14 on the roll axis and the other on the spindle axis. Furthermore, it is provided that the radii R are kept small at the ends of the plunger 14 (the above explanations on the choice of radii is made, according to which on the other hand a sufficiently large radius R must be provided to a low surface pressure between the parts and thus a low wear to obtain). On the other hand, the length of the plunger 14 must be sufficiently large. In the exemplary embodiment, it is 400 to 600 mm.
- the two ends of the plunger are close to the center of rotation of the roller-side spindle head.
- Fig. 5 - between 4 and 10, preferably between 5.5 and 8.5.
- a bearing body 21 is arranged (shown in detail in Fig. 6).
- the non-co-rotating part of the bearing body 21, so on the outside of the body acts not shown lever mechanism, the so-called. Balancing. With the balancing, which is already known as such, vertical and horizontal forces can be applied.
- the axial balancing force should act in full only at an axial displacement towards the center of the frame. Otherwise, the force on the plunger 14 would double when displaced in the opposite direction. In case of incorrect control of this process, the wear on the plunger 14 and at the bearing points of the bearing elements 12, 13 increases. Slippage of the roller-side spindle head from the hit, however, in contrast to previously known solutions not to be feared when the cylinder for horizontal balancing so constructed is that it can only apply pressure forces and when its hydraulic pressure is coupled to the hydraulic pressure on the Axialverschiebezylinder the roller 6.
- the plunger 14 need not only be designed as in FIGS. 3 and 5.
- the plunger 14 consists of several parts, namely of a rod element 26, at the two axial end depending a plunger head 27 and 28 is mounted.
- the two plunger heads 27, 28 are by means of screw 29 on Rod member 28 attached. This results in the possibility of replacing only individual parts, ie only a plunger head when worn.
- the bolted to the rod member 26 plunger head 27 and 28 can be secured with a fuse 31 against unintentional release.
- the friction between the spherical plunger ends and the bearing elements 12, 13 resulting frictional heat can be reduced by a favorable design of the plunger or removed by an internal and / or external cooling with a medium (cooling air, cooling water, etc.).
- Bronzes can be envisaged as material for the bearing elements 12, 13 since they can dissipate the heat very well. However, this material has its limit in wear resistance.
- Carbon fiber composite materials may also be provided as material for the bearing elements 12, 13, which have high-strength properties. However, there are limits due to the relatively poor thermal conductivity of this material. For cooling or lubrication fats can be used, however, should be as temperature stable as possible because of the high temperatures at the contact point between bearing elements 12, 13 and plunger 14.
- the proposed invention is characterized by a perfect kinematics of the components and by a simple and spatially compact design. Thus, a cost-effective implementation is possible.
- An internal and / or external cooling in particular of the contact point between the bearing element 12, 13 and plunger 14 supports the performance of the construction. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Rolling Contact Bearings (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Automatic Tape Cassette Changers (AREA)
- Turning (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0604834-0A BRPI0604834A (pt) | 2005-04-12 | 2006-04-10 | fuso motriz para acionamento principal de uma cadeira de laminação |
JP2007512225A JP4040670B2 (ja) | 2005-04-12 | 2006-04-10 | 圧延スタンドの主駆動部の駆動スピンドル |
EP06724203A EP1725348B1 (de) | 2005-04-12 | 2006-04-10 | Antriebsspindel für den hauptantrieb eines walzgerüsts |
RU2006139747/02A RU2339472C2 (ru) | 2005-04-12 | 2006-04-10 | Приводной шпиндель главного привода прокатной клети |
DE502006000297T DE502006000297D1 (de) | 2005-04-12 | 2006-04-10 | Antriebsspindel für den hauptantrieb eines walzgerüsts |
US11/596,936 US7784380B2 (en) | 2005-04-12 | 2006-04-10 | Drive spindle for the main drive of a roll stand |
CA2568837A CA2568837C (en) | 2005-04-12 | 2006-04-10 | Drive spindle for the main drive of a rolling stand |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005016629.6 | 2005-04-12 | ||
DE102005016629 | 2005-04-12 | ||
DE102005054742A DE102005054742A1 (de) | 2005-04-12 | 2005-11-17 | Antriebsspindel für den Hauptantrieb eines Walzgerüstes |
DE102005054742.7 | 2005-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006108596A1 true WO2006108596A1 (de) | 2006-10-19 |
Family
ID=36686042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/003271 WO2006108596A1 (de) | 2005-04-12 | 2006-04-10 | Antriebsspindel für den hauptantrieb eines walzgerüsts |
Country Status (10)
Country | Link |
---|---|
US (1) | US7784380B2 (de) |
EP (1) | EP1725348B1 (de) |
JP (1) | JP4040670B2 (de) |
AT (1) | ATE383917T1 (de) |
BR (1) | BRPI0604834A (de) |
CA (1) | CA2568837C (de) |
DE (2) | DE102005054742A1 (de) |
ES (1) | ES2297824T3 (de) |
RU (1) | RU2339472C2 (de) |
WO (1) | WO2006108596A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015039827A3 (de) * | 2013-09-19 | 2015-10-22 | Voith Patent Gmbh | Lösbare kupplungsnabe für arbeitswalzen von walzwerkantrieben mit automatischer nachschmierung |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009014101A1 (de) | 2009-03-20 | 2010-09-23 | Sms Siemag Aktiengesellschaft | Sicherheitskupplung gegen Überlast, insbesondere für ein Walzgerüst oder eine Schere in einem Walzwerk |
DE102009014102A1 (de) | 2009-03-20 | 2010-09-23 | Sms Siemag Aktiengesellschaft | Sicherheitskupplung gegen Überlast, insbesondere für ein Walzgerüst oder eine Schere in einem Walzwerk |
DE102009031324A1 (de) * | 2009-06-30 | 2011-01-05 | Voith Patent Gmbh | Walzenantrieb und Walzgerüst mit einem solchen |
ITMI20130287A1 (it) | 2013-02-27 | 2014-08-28 | Danieli Off Mecc | Snodo elastico per allunga a pattini |
CN104723169B (zh) * | 2015-03-27 | 2017-01-04 | 苏州江源精密机械有限公司 | 龙门加工中心上自动分度直角头装置 |
CA3040853A1 (en) * | 2018-04-21 | 2019-10-21 | David Robertson | A roll-over protection apparatus |
DE202019104904U1 (de) | 2019-09-05 | 2019-12-09 | Danieli & C. Officine Meccaniche S.P.A. | Gelenkvorrichtung zum Anschluss einer Spindel an einen Flansch zur Übertragung des Antriebs von einem Motor auf eine oder mehrere Walzrollen |
US20230390816A1 (en) | 2020-11-17 | 2023-12-07 | Primetals Technologies Japan, Ltd. | Gear spindle device for rolling mill, rolling mill facility, and method of cooling gear spindle device for rolling mill |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2362524A1 (de) * | 1973-12-15 | 1975-06-26 | Schloemann Siemag Ag | Flachzapfenkupplung fuer walzgerueste |
EP0324168A2 (de) * | 1988-01-15 | 1989-07-19 | Sms Schloemann-Siemag Aktiengesellschaft | Walzwerksantrieb mit Zahngelenkspindel |
DE10211883C1 (de) * | 2002-03-18 | 2003-12-18 | Spicer Gelenkwellenbau Gmbh | Kreuzgelenk für eine Gelenkwelle |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2332859A (en) * | 1938-08-30 | 1943-10-26 | Kreissig Ernst | Shaft coupling |
US2430683A (en) * | 1945-10-30 | 1947-11-11 | Morgan Construction Co | Wabbler coupling |
BE586612A (de) * | 1959-01-16 | |||
AT405619B (de) * | 1995-04-25 | 1999-10-25 | Voest Alpine Ind Anlagen | Walzgerüst |
IT1280192B1 (it) * | 1995-06-26 | 1998-01-05 | Danieli Off Mecc | Dispositivo di traslazione assiale per cilindri di laminazione e procedimento di traslazione assiale con spostamento di incrocio dei |
IT1315121B1 (it) * | 2000-09-25 | 2003-02-03 | Danieli Off Mecc | Dispositivo per assorbire i carichi assiali generati sui cilindri diuna gabbia di laminazione |
-
2005
- 2005-11-17 DE DE102005054742A patent/DE102005054742A1/de not_active Withdrawn
-
2006
- 2006-04-10 JP JP2007512225A patent/JP4040670B2/ja not_active Expired - Fee Related
- 2006-04-10 US US11/596,936 patent/US7784380B2/en not_active Expired - Fee Related
- 2006-04-10 EP EP06724203A patent/EP1725348B1/de not_active Not-in-force
- 2006-04-10 WO PCT/EP2006/003271 patent/WO2006108596A1/de active IP Right Grant
- 2006-04-10 DE DE502006000297T patent/DE502006000297D1/de active Active
- 2006-04-10 AT AT06724203T patent/ATE383917T1/de active
- 2006-04-10 ES ES06724203T patent/ES2297824T3/es active Active
- 2006-04-10 BR BRPI0604834-0A patent/BRPI0604834A/pt not_active IP Right Cessation
- 2006-04-10 RU RU2006139747/02A patent/RU2339472C2/ru not_active IP Right Cessation
- 2006-04-10 CA CA2568837A patent/CA2568837C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2362524A1 (de) * | 1973-12-15 | 1975-06-26 | Schloemann Siemag Ag | Flachzapfenkupplung fuer walzgerueste |
EP0324168A2 (de) * | 1988-01-15 | 1989-07-19 | Sms Schloemann-Siemag Aktiengesellschaft | Walzwerksantrieb mit Zahngelenkspindel |
DE10211883C1 (de) * | 2002-03-18 | 2003-12-18 | Spicer Gelenkwellenbau Gmbh | Kreuzgelenk für eine Gelenkwelle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015039827A3 (de) * | 2013-09-19 | 2015-10-22 | Voith Patent Gmbh | Lösbare kupplungsnabe für arbeitswalzen von walzwerkantrieben mit automatischer nachschmierung |
Also Published As
Publication number | Publication date |
---|---|
JP4040670B2 (ja) | 2008-01-30 |
RU2006139747A (ru) | 2008-06-20 |
ATE383917T1 (de) | 2008-02-15 |
ES2297824T3 (es) | 2008-05-01 |
EP1725348A1 (de) | 2006-11-29 |
US7784380B2 (en) | 2010-08-31 |
EP1725348B1 (de) | 2008-01-16 |
RU2339472C2 (ru) | 2008-11-27 |
US20070251349A1 (en) | 2007-11-01 |
BRPI0604834A (pt) | 2007-12-18 |
DE102005054742A1 (de) | 2006-10-19 |
CA2568837A1 (en) | 2006-10-19 |
JP2007538204A (ja) | 2007-12-27 |
CA2568837C (en) | 2013-06-04 |
DE502006000297D1 (de) | 2008-03-06 |
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