EP0793038B1 - Stirnradgetriebe für den Antrieb einer Walze - Google Patents
Stirnradgetriebe für den Antrieb einer Walze Download PDFInfo
- Publication number
- EP0793038B1 EP0793038B1 EP96120229A EP96120229A EP0793038B1 EP 0793038 B1 EP0793038 B1 EP 0793038B1 EP 96120229 A EP96120229 A EP 96120229A EP 96120229 A EP96120229 A EP 96120229A EP 0793038 B1 EP0793038 B1 EP 0793038B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pinion
- bearing
- self
- spur gear
- gear transmission
- 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 - Lifetime
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/0006—Driving arrangements
- D21G1/0013—Driving arrangements for controlled deflection rolls
Definitions
- the present invention relates to a spur gear for the drive of a roller, one end of which is via a self-aligning bearing is mounted on a support stand, with a rigid with one end of the roller connected external ring gear, one with the drivable pinion meshing with the external ring gear, which is designed as a hollow body and via a self-aligning bearing is mounted on the support frame, one to the side of the pinion arranged drive shaft, which with one end the pinion is rotatably coupled, and one next to the pinion pendulum bearing arranged, also supported on the support frame additional support bearing for the pinion, which for Allowing a pinion tilt a radial play having.
- rollers of this type are, for example, deflection adjusting rolls or suction rolls like those in the paper industry, for example in drainage presses, smoothing units and the like be applied. Such rollers have a roller shell around a fixed support is rotatable.
- the crowning of the tooth flanks has the advantage of one transferable torque limiting inclined load distribution with mitigate high edge pressure. However, it can only be small be otherwise the transferable power decreases again. The radial play is therefore chosen to be small.
- the invention has for its object a spur gear of the type mentioned in such a way that the problems mentioned are overcome.
- the Load distribution on the tooth flanks of the pinion improved and the flexion angle between the drive shaft and clutch is reduced the force distribution across the tooth width to make it more uniform and the transferable performance too increase.
- Another advantage of the spur gear according to the invention consists in that on the coupling between the drive shaft and pinion reaction forces occurring at least partially through the additional arranged in the drive shaft Support bearings are taken up and compensated. This too the load distribution on the tooth flanks is evened out of the pinion. Due to the small distance of the coupling between drive shaft and pinion from the pinion pendulum bearing also reduces the deflection of the Clutch and thus the difference between the Deflection of the coupling between a coupling shaft trained drive shaft and the pinion on the one hand and the clutch shaft and that driven by the roller drive Driving sleeve on the other hand. The two clutches can therefore with the same size for higher loads be interpreted.
- the pinion drive shaft can be directly coupled to the pinion be so that the existing in the known spur gear
- the flange is omitted. This reduces the moment of inertia of the pinion and its critical increases Rotational speed.
- the power limit of the transmission according to the invention is increased compared to the known transmission.
- the additional, preferably designed as a self-aligning bearing Support bearing can the radial play between the outer ring of the Self-aligning bearings and the inner diameter of the drive shaft or between the inner ring of the self-aligning bearing and the outer diameter of the bearing pin can be provided. But it can also a sleeve shrunk into the inner ring of the self-aligning bearing be provided, the game then between this and the outer diameter of the bearing pin is present.
- the spur gear according to the invention is particularly for uses a roller which is designed as a hollow roller, and in which the roller pendulum bearing essentially in the middle is arranged within the outer ring gear.
- This configuration causes the outer ring gear when the Roll cover only tilts around its center and the Distance between the axes of the external ring gear and the pinion does not change.
- the spur gear according to the invention used for a deflection adjustment roller.
- Fig. 1 shows a roller 1, one end 2 over a Self-aligning bearing 3 is mounted on a support frame 4 and one External ring gear 5.
- the external ring gear 5 meshes with a pinion 6 designed as a hollow body, which via a self-aligning bearing 7 is also mounted on the support frame 4 and is driven by a clutch shaft 8, the pinion end 9 is coupled to the pinion 6.
- the Roll 1 is designed as a hollow roll, the roll shell 10 is rotatable about a fixed support 11, which is also mounted in the support frame 4.
- the coupling shaft 8 is in a drive sleeve 12 with internal teeth 13 arranged, which via two roller bearings 14 and 15 stored in a bearing plate 16 of the support frame 4 and is driven by a drive pin 17.
- the internal toothing 13 of the drive sleeve 12 meshes with an external toothing 18 on the pinion-distant end 19 of the clutch shaft 8 this transmits rotation of the drive pin 17 on the clutch shaft 8.
- the coupling shaft 8 has a further external toothing 20 which meshes with an internal toothing 21 of the pinion 6, so that the rotation of the drive pin 17 on the Coupling shaft 8 finally transmits to the pinion 6.
- the Internal toothing 21 of the pinion 6 is located directly next to it the centrally located self-aligning bearing 7 of the pinion 6, so that the coupling shaft 8 laterally directly to the self-aligning bearing 7 connects.
- the coupling shaft 8 is designed as a hollow shaft, which has a recess 22 at its pinion-side end 9, which receives a self-aligning bearing 23.
- the self-aligning bearing 23 is mounted on a journal 24, which on the support bracket 4 is attached and also the self-aligning bearing 7 of the pinion 6 wears.
- the self-aligning bearing 23 thus acts as a support bearing for the pinion 6, which counteracts tilting of the pinion 6.
- a radial play can be provided, which tilts of the pinion 6 by a predetermined amount.
- the inner ring of the self-aligning bearing 23 can, as shown, also be shrunk a sleeve 27, the Inside diameter is larger than the desired amount the outer diameter of the journal 24.
- the pinion 6 can therefore around the normal force to be transmitted one to the line of engagement of the toothing with the external ring gear 5 Twist the vertical axis.
- the clutch 20 is 21 between clutch shaft 8 and pinion 6 preferably between the self-aligning bearing 7 of the pinion 6 and that in the clutch shaft 8 arranged as a support bearing pendulum bearing 23rd arranged.
- the distance k between the clutch 20, 21 and the middle plane I of the pinion pendulum bearing 7 is thereby minimal.
- the clutch shaft 8 is directly with the Pinion 6 coupled.
- the pinion 6 has few parts on and has a low moment of inertia. This results in in addition to a good load distribution on the tooth flanks of the Pinion 6 is a high critical speed of the pinion 6.
- the good load distribution is further favored by the fact that the coupling forces between pinion 6 and clutch shaft 8 at least partially by the self-aligning bearing 23 in the clutch shaft 8 can be compensated. Due to the proximity of the clutch 20, 21 to the central plane I of the pinion pendulum bearing 7 is also the bending angle between pinion 6 and coupling shaft 8 and between clutch shaft 8 and drive sleeve 12 small, so that overall a spur gear with a very good power transmission is obtained on the roll shell 10. Next A high degree of efficiency also results in a reduced one Wear.
Landscapes
- Gear Transmission (AREA)
Description
- 1
- Walze
- 2
- Ende von 1
- 3
- Pendellager
- 4
- Abstützbock
- 5
- Außenverzahnung
- 6
- Ritzel
- 7
- Pendellager
- 8
- Kupplungswelle
- 9
- ritzelnahes Ende von 8
- 10
- Walzenmantel
- 11
- Träger
- 12
- Treibhülse
- 13
- Innenverzahnung
- 14
- Wälzlager
- 15
- Wälzlager
- 16
- Lagerschild
- 17
- Antriebszapfen
- 18
- Außenverzahnung
- 19
- ritzelfernes Ende von 8
- 20
- Außenverzahnung
- 21
- Innenverzahnung
- 22
- Ausnehmung
- 23
- Pendellager
- 24
- Lagerzapfen
- 25
- Außenring
- 26
- Innenring
- 27
- Hülse
- I
- Mittelebene von 7
- k
- Abstand
Claims (10)
- Stirnradgetriebe für den Antrieb einer Walze (1), deren eines Ende (2) über ein Pendellager (3) an einem Abstützbock (4) gelagert ist, mit einem starr mit dem einen Ende (2) der Walze (1) verbundenen Außenzahnkranz (5), einem mit dem Außenzahnkranz (5) kämmenden, antreibbaren Ritzel (6), welches als Hohlkörper ausgebildet und über ein Pendellager (7) am Abstützbock (4) gelagert ist, einer seitlich zum Ritzel (6) angeordneten Antriebswelle (8), welche mit ihrem einen Ende (9) mit dem Ritzel (6) drehgekuppelt ist, und einem neben dem Ritzelpendellager (7) angeordneten, ebenfalls am Abstützbock (4) abgestützten zusätzlichen Stützlager (23) für das Ritzel (6), welches zur Ermöglichung einer Ritzelverkippung ein radiales Spiel aufweist,
dadurch gekennzeichnet,
daß das ritzelseitige Ende (9) der Antriebswelle (8) eine Ausnehmung (22) aufweist und daß das zusätzliche Stützlager (23) des Ritzels (6) in der Ausnehmung (22) der Antriebswelle (8) untergebracht ist. - Stirnradgetriebe nach Anspruch 1,
dadurch gekennzeichnet,
daß die Kupplung (20, 21) zwischen Antriebswelle (8) und Ritzel (6) dem Ritzelpendellager (7) benachbart angeordnet ist. - Stirnradgetriebe nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Antriebswelle (8) direkt mit dem Ritzel (6) gekuppelt ist. - Stirnradgetriebe nach Anspruch 3,
dadurch gekennzeichnet,
daß die Antriebswelle (8) an ihrem ritzelseitigen Ende (9) eine Außenverzahnung (20) aufweist, dic mit einer Innenverzahnung (21) des Ritzels (6) in Eingriff steht. - Stirnradgetriebe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Ritzelpendellager (7) und das zusätzliche Stützlager (23) auf einem gemeinsamen, im Abstützbock (4) ruhenden Lagerzapfen (24) angeordnet sind. - Stirnradgetriebe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das zusätzliche Stützlager (23) als Pendellager ausgebildet ist. - Stirnradgetriebe nach Anspruch 6,
dadurch gekennzeichnet,
daß das radiale Spiel zwischen dem Außenring (25) des Pendellagers (23) und dem Innendurchmesser der Antriebswelle (8) vorgesehen ist. - Stirnradgetriebe nach Anspruch 6,
dadurch gekennzeichnet,
daß das radiale Spiel zwischen dem Innenring (26) des Pendellagers (23) und dem Außendurchmesser des Lagerzapfens (24) vorgesehen ist. - Stirnradgetriebe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Walze (1) als Hohlwalze ausgebildet ist und daß das Walzenpendellager (3) im wesentlichen mittig innerhalb des Außenzahnkranzes (5) angeordnet ist. - Stirnradgetriebe nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Walze (1) als Durchbiegungseinstellwalze ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19607678 | 1996-02-29 | ||
DE19607678A DE19607678C1 (de) | 1996-02-29 | 1996-02-29 | Stirnradgetriebe für den Antrieb einer Walze |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0793038A2 EP0793038A2 (de) | 1997-09-03 |
EP0793038A3 EP0793038A3 (de) | 1998-04-29 |
EP0793038B1 true EP0793038B1 (de) | 2001-05-30 |
Family
ID=7786785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96120229A Expired - Lifetime EP0793038B1 (de) | 1996-02-29 | 1996-12-17 | Stirnradgetriebe für den Antrieb einer Walze |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0793038B1 (de) |
DE (2) | DE19607678C1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2233637A1 (de) | 2009-03-23 | 2010-09-29 | Andritz AG | Lagergetriebeeinheit für eine Papier- oder Kartonmaschine |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10158034B4 (de) * | 2001-11-27 | 2010-02-25 | Voith Patent Gmbh | Dichtungsanordnung für eine Walze |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3290897A (en) * | 1965-05-26 | 1966-12-13 | Farrel Corp | Drive for shell type rolls |
FR2225660B1 (de) * | 1973-07-20 | 1975-04-11 | Poclain Sa | |
DE3804225A1 (de) * | 1987-02-12 | 1988-08-25 | Voith Gmbh J M | Stirnradgetriebe fuer den antrieb eines walzenmantels |
-
1996
- 1996-02-29 DE DE19607678A patent/DE19607678C1/de not_active Expired - Fee Related
- 1996-12-17 DE DE59607004T patent/DE59607004D1/de not_active Expired - Lifetime
- 1996-12-17 EP EP96120229A patent/EP0793038B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2233637A1 (de) | 2009-03-23 | 2010-09-29 | Andritz AG | Lagergetriebeeinheit für eine Papier- oder Kartonmaschine |
Also Published As
Publication number | Publication date |
---|---|
DE19607678C1 (de) | 1997-02-13 |
EP0793038A2 (de) | 1997-09-03 |
DE59607004D1 (de) | 2001-07-05 |
EP0793038A3 (de) | 1998-04-29 |
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