CA1167708A - Drive-unit, more particularly for ships - Google Patents
Drive-unit, more particularly for shipsInfo
- Publication number
- CA1167708A CA1167708A CA000382973A CA382973A CA1167708A CA 1167708 A CA1167708 A CA 1167708A CA 000382973 A CA000382973 A CA 000382973A CA 382973 A CA382973 A CA 382973A CA 1167708 A CA1167708 A CA 1167708A
- Authority
- CA
- Canada
- Prior art keywords
- coupling
- drive shaft
- power plant
- pinion
- hydraulic coupling
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/206—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members characterised by the driving or driven member being composed of two or more gear wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/30—Transmitting power from propulsion power plant to propulsive elements characterised by use of clutches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Power Transmission Devices (AREA)
- Gear Transmission (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
In the case of drive units, more particularly for ships, comprising a hollow driving pinion located axially between a hydraulic coupling and a con-trollable bypass coupling for selectively bypassing the hydraulic coupling, stresses may arise, for example as a result of misalignment, but also as a re-sult of changes in the foundations arising during operation. Such stresses are difficult to avoid because appropriate bearing locations are required to support individual components of the drive, for example the actual transmission, but also the drive shaft between the hydraulic coupling and the power plant. According to the invention, these stresses may be eliminated simultaneously, in all types of transmission, by arranging, between the power plant and a support bearing in front of the hydraulic coupling, a universal coupling designed to permit radial, axial and angular misalignment between the drive shaft and the power plant drive shaft.
In the case of drive units, more particularly for ships, comprising a hollow driving pinion located axially between a hydraulic coupling and a con-trollable bypass coupling for selectively bypassing the hydraulic coupling, stresses may arise, for example as a result of misalignment, but also as a re-sult of changes in the foundations arising during operation. Such stresses are difficult to avoid because appropriate bearing locations are required to support individual components of the drive, for example the actual transmission, but also the drive shaft between the hydraulic coupling and the power plant. According to the invention, these stresses may be eliminated simultaneously, in all types of transmission, by arranging, between the power plant and a support bearing in front of the hydraulic coupling, a universal coupling designed to permit radial, axial and angular misalignment between the drive shaft and the power plant drive shaft.
Description
~ ~677~
This invention re]a-tes to a drive unit, more particularly for ships, com-prising a hollow driving pinion mounted at both sides and located axially between a hydraulic coupling and a controllable bypass coupling for selectively bypassing the said hydraulic couplingJ the said dr:iving pinion being connected to the secon-dary parts of the said two couplings; and a drive shaft passing -through the said hollow pinion and connected to the primary parts of the said two couplings, the said shaft being mounted, on the side of the hydraulic collpling remote from the said pinion, in a supporting bearing and being connected, through an additional coupling, to a power plant; and a universal Oll the side of the pinion remote from the said hydraulic coupling, by means of which the said drive shaft can execute angular movements in relation to the said pinion.
A drive unit of this kind is known from German AS 29 06 368.
It is the purpose of the present invention to eliminate stresses in the drive unit resulting from varying bearing play and deformation in the foundation.
According to the invention, this purpose is achieved in that the said additional drive shaft coupling, between the support bearing and the power plant, is designed to permit radial, axial and angular misalignment between the said drive shaft and the power plant drive shaft.
The use of a coupling of this design, in the location selected~ is a relatively simple way of eliminating, in all transmissions, stresses between the power-plant and the driving pinion.
Without the invention, stresses of this kind may arise from misalignment of shafts and bearing as a result of manufacturing ~olerances~ of differential heating, and of foundation movement.
- An embodiment of the invention is described hereinafter in conjunction with the drawings, wherein:
Figure 1 is a diagrammatical, broken-away plan view of a drive unit ac-cording to the invention;
.. ~
o ~
Figure 2 is a diagrammatical longitudinal section along the plane II-II
in the direction of the arrows, showing possible radial and angular displacements between the power plant and the transmission;
Figure 3 is a diagrammatical section similar to Figure 2, showing *ur~her possible radial displacement between the power plant and the transmi.ssion.
Figure 1 shows a drive unit for the propulsion of ships, comprising a power plant 1 and a transmission 2. A double-helical driving pinion 3 is arranged axially between a hydraulic coupling 4 and a controllable bypass COllp-ling 5 used for selective bypassing of hydraulic coupling 4. Driving pinion 3 has an axial bore and a hollow shaft 6 by means of which it is connected to secondary parts 7, 8 of hydraulic coupling 4 and bypass coupling 5. Located be-tween hollow shaft 6 and secondary part 8 of bypass coupling 5 is a toothed uni-versal coupling 9. Driving pinion 3 is mounted at both sides in bearings 10.
Passing through hollow pinion 3 and hollow shaft 6 is a drive shaft 11 which is mounted, on the side of hydraulic coupling 4 remote from pinion 3, in a support bearing 12 separat0 from transmission 2, and is connected, through an additional coupling 13, to the power plant or engine 1. Support bearing 12 is preferably in the form of a self-aligning bearing within which drive shaft 11 can carry out angular movements. Drive shaft 11 is connected to primary parts 16 and 15 of hydraulic coupling 4 and bypass coupling 5.
Additional coupling 13 in drive shaft 11, located between support hearing 12 and power plant 1, is designed in such a manner as to permit radial, axial and angular displacement of drive shaft 11 in relation to power plant drive shaft 14. Universal couplings of this kind are know per se and are described in greater detail, for example, in the right-hand column on page 270, with re-ferences to Figures 1 and 2, of the "Lueger Lixikon der Technik, Grundlagen des Maschinenbaues, A-Z", Volume 1, 1960 edition, Deutsche Verlags-Anstalt, Stuttgart.
This coupling is preferably also torsionally resilient and damps out torsional 1 3 fi77~ ~
vibration. In couplings of this kind, this is achieved in known fashion by meansof appropriate damping elements.
Universal coupling 9 in bypass coupling 5 acts as a pivot about which drive shaft ll can carry out angular movements in relation to plnion 3. In another design, not shown, bypass coupling 5 may be designed in such a manner that secondary part 8 thereof can carry out angular movements in relation to pri-mary part 15. In this case, bypass coupling 5 itself acts as a pivot and the toothed universal coupling may be dispensed with. According to still another design, the joint could also be located in drive shaft 11 in the vicini~y of bypass coupling 5.
Driving pinion 3 drives a gearwheel 21~ shaft 22 of which drives the ship's propellor 23.
Transmission 2 is supported, for exampleg at four locations, of which three, 24, 25, 26, are shown, upon a foundation 27.
Figure 2 illustrates radial and angular displacement of power plant 1 in relation to transmission 2, brought about by corresponding deformation of foundation 27. ~r represents the radial displacement of the power plant in rela-tion to the transmission. ~ ~ represents the possible angular displacement, in-dependent of ~r, between the said power plant and transmission.
Figure 3 shows possible further radial displacement ~r between power plant or engine 1 and transmission 2, brought about by corresponding deformationof foundation 27.
This invention re]a-tes to a drive unit, more particularly for ships, com-prising a hollow driving pinion mounted at both sides and located axially between a hydraulic coupling and a controllable bypass coupling for selectively bypassing the said hydraulic couplingJ the said dr:iving pinion being connected to the secon-dary parts of the said two couplings; and a drive shaft passing -through the said hollow pinion and connected to the primary parts of the said two couplings, the said shaft being mounted, on the side of the hydraulic collpling remote from the said pinion, in a supporting bearing and being connected, through an additional coupling, to a power plant; and a universal Oll the side of the pinion remote from the said hydraulic coupling, by means of which the said drive shaft can execute angular movements in relation to the said pinion.
A drive unit of this kind is known from German AS 29 06 368.
It is the purpose of the present invention to eliminate stresses in the drive unit resulting from varying bearing play and deformation in the foundation.
According to the invention, this purpose is achieved in that the said additional drive shaft coupling, between the support bearing and the power plant, is designed to permit radial, axial and angular misalignment between the said drive shaft and the power plant drive shaft.
The use of a coupling of this design, in the location selected~ is a relatively simple way of eliminating, in all transmissions, stresses between the power-plant and the driving pinion.
Without the invention, stresses of this kind may arise from misalignment of shafts and bearing as a result of manufacturing ~olerances~ of differential heating, and of foundation movement.
- An embodiment of the invention is described hereinafter in conjunction with the drawings, wherein:
Figure 1 is a diagrammatical, broken-away plan view of a drive unit ac-cording to the invention;
.. ~
o ~
Figure 2 is a diagrammatical longitudinal section along the plane II-II
in the direction of the arrows, showing possible radial and angular displacements between the power plant and the transmission;
Figure 3 is a diagrammatical section similar to Figure 2, showing *ur~her possible radial displacement between the power plant and the transmi.ssion.
Figure 1 shows a drive unit for the propulsion of ships, comprising a power plant 1 and a transmission 2. A double-helical driving pinion 3 is arranged axially between a hydraulic coupling 4 and a controllable bypass COllp-ling 5 used for selective bypassing of hydraulic coupling 4. Driving pinion 3 has an axial bore and a hollow shaft 6 by means of which it is connected to secondary parts 7, 8 of hydraulic coupling 4 and bypass coupling 5. Located be-tween hollow shaft 6 and secondary part 8 of bypass coupling 5 is a toothed uni-versal coupling 9. Driving pinion 3 is mounted at both sides in bearings 10.
Passing through hollow pinion 3 and hollow shaft 6 is a drive shaft 11 which is mounted, on the side of hydraulic coupling 4 remote from pinion 3, in a support bearing 12 separat0 from transmission 2, and is connected, through an additional coupling 13, to the power plant or engine 1. Support bearing 12 is preferably in the form of a self-aligning bearing within which drive shaft 11 can carry out angular movements. Drive shaft 11 is connected to primary parts 16 and 15 of hydraulic coupling 4 and bypass coupling 5.
Additional coupling 13 in drive shaft 11, located between support hearing 12 and power plant 1, is designed in such a manner as to permit radial, axial and angular displacement of drive shaft 11 in relation to power plant drive shaft 14. Universal couplings of this kind are know per se and are described in greater detail, for example, in the right-hand column on page 270, with re-ferences to Figures 1 and 2, of the "Lueger Lixikon der Technik, Grundlagen des Maschinenbaues, A-Z", Volume 1, 1960 edition, Deutsche Verlags-Anstalt, Stuttgart.
This coupling is preferably also torsionally resilient and damps out torsional 1 3 fi77~ ~
vibration. In couplings of this kind, this is achieved in known fashion by meansof appropriate damping elements.
Universal coupling 9 in bypass coupling 5 acts as a pivot about which drive shaft ll can carry out angular movements in relation to plnion 3. In another design, not shown, bypass coupling 5 may be designed in such a manner that secondary part 8 thereof can carry out angular movements in relation to pri-mary part 15. In this case, bypass coupling 5 itself acts as a pivot and the toothed universal coupling may be dispensed with. According to still another design, the joint could also be located in drive shaft 11 in the vicini~y of bypass coupling 5.
Driving pinion 3 drives a gearwheel 21~ shaft 22 of which drives the ship's propellor 23.
Transmission 2 is supported, for exampleg at four locations, of which three, 24, 25, 26, are shown, upon a foundation 27.
Figure 2 illustrates radial and angular displacement of power plant 1 in relation to transmission 2, brought about by corresponding deformation of foundation 27. ~r represents the radial displacement of the power plant in rela-tion to the transmission. ~ ~ represents the possible angular displacement, in-dependent of ~r, between the said power plant and transmission.
Figure 3 shows possible further radial displacement ~r between power plant or engine 1 and transmission 2, brought about by corresponding deformationof foundation 27.
Claims (4)
PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A drive unit, more particularly for ships, comprising a hollow driving pinion mounted at both sides and located axially between a hydraulic coupling and a controllable bypass coupling for selectively bypassing the said hydraulic coupling, the said driving pinion being connected to the secondary parts of the two couplings; and having a drive shaft passing through the hollow pinion and connected to the primary parts of the said two couplings, the said shaft being mounted, on the side of the hydraulic coupling remote from the said pinion, in a support bearing, and being connected, through an additional coupling to a power plant; and comprising a universal coupling, on the side of the pinion remote from the said hydraulic coupling, by means of which the said drive shaft can execute angular movements in relation to the said pinion, characterized in that the said additional drive shaft coupling, located between the support bearing and the power plant, is designed in such a manner as to permit radial, axial and angular misalignment between the said drive shaft and the power plant drive shaft.
2. A drive unit according to claim 1, characterized in that the said additional coupling is torsionally resilient.
3. A drive unit according to claim 2, characterized in that the said additional coupling is adapted to damp torsional vibration.
4. A drive unit according to claim 1, 2 or 3, characterized in that the support bearing is in the form of a self-aligning bearing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3029336.8 | 1980-08-01 | ||
| DE19803029336 DE3029336C2 (en) | 1980-08-01 | 1980-08-01 | Propulsion system, in particular ship propulsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1167708A true CA1167708A (en) | 1984-05-22 |
Family
ID=6108742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000382973A Expired CA1167708A (en) | 1980-08-01 | 1981-07-31 | Drive-unit, more particularly for ships |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA1167708A (en) |
| DE (1) | DE3029336C2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006002572B4 (en) * | 2006-01-18 | 2008-01-24 | Renk Aktiengesellschaft | Marine propulsion device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514029B2 (en) * | 1975-03-29 | 1977-07-21 | ELASTICALLY MOUNTED COUPLING PART | |
| DE2906368B1 (en) * | 1979-02-19 | 1980-06-12 | Weser Ag | Flow clutch with lock-up clutch for ship drives |
-
1980
- 1980-08-01 DE DE19803029336 patent/DE3029336C2/en not_active Expired
-
1981
- 1981-07-31 CA CA000382973A patent/CA1167708A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3029336C2 (en) | 1983-12-15 |
| DE3029336A1 (en) | 1982-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |