WO2016157398A1 - Saildrive apparatus - Google Patents

Saildrive apparatus Download PDF

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Publication number
WO2016157398A1
WO2016157398A1 PCT/JP2015/060053 JP2015060053W WO2016157398A1 WO 2016157398 A1 WO2016157398 A1 WO 2016157398A1 JP 2015060053 W JP2015060053 W JP 2015060053W WO 2016157398 A1 WO2016157398 A1 WO 2016157398A1
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WO
WIPO (PCT)
Prior art keywords
engine
unit
power transmission
side shaft
shaft
Prior art date
Application number
PCT/JP2015/060053
Other languages
French (fr)
Japanese (ja)
Inventor
トーマス グンボルズベルガー
マティアス キルヒマイヤー
ミヒャエル バイトゥエッサー
ベルンハルト ミュール
ローランド ハイムベルガー
ダニエル ツィルハン
Original Assignee
ヤンマー株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ヤンマー株式会社 filed Critical ヤンマー株式会社
Priority to PCT/JP2015/060053 priority Critical patent/WO2016157398A1/en
Publication of WO2016157398A1 publication Critical patent/WO2016157398A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/02—Mounting of propulsion units
    • 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
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/06—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion with worm and worm-wheel or gears essentially having helical or herring-bone teeth
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H57/022—Adjustment of gear shafts or bearings
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness

Definitions

  • the present invention relates to a sail drive device.
  • a sail drive device has an upper unit and a lower unit joined to the upper unit.
  • the upper unit incorporates an input shaft coupled to the engine, a forward / reverse clutch supported by the input shaft, and the like, and the lower unit incorporates an output shaft including a drive shaft and a propeller shaft.
  • the present invention provides a sail drive device that can easily perform maintenance work on the ocean.
  • a sail drive device is a sail drive device that includes an upper unit that is connected to an engine and is located in a ship, and a lower unit that extends downward from the upper unit through an opening provided in a ship bottom.
  • the upper unit is provided with a drive unit that includes a power transmission mechanism that transmits power from the engine to the lower unit, and the sail drive device is installed integrally with the engine.
  • the drive unit is configured to be removable from the upper unit.
  • the drive unit includes an engine side shaft connected to a power transmission shaft to which power of the engine is transmitted, a lower side shaft connected to a power transmission shaft of the lower unit, and the engine side shaft to the lower side shaft.
  • a set of bevel gears for transmitting power and a drive housing that houses the engine side shaft, the lower side shaft, and the set of bevel gears, wherein the engine side shaft and the lower side shaft are connected to the drive housing.
  • a seal member is provided in each of the through-holes of the engine side shaft and the lower side shaft in the drive housing.
  • the drive unit includes an engine side shaft connected to a power transmission shaft to which power of the engine is transmitted, a lower side shaft connected to a power transmission shaft of the lower unit, and the engine side shaft to the lower side shaft.
  • a set of bevel gears for transmitting power; and a drive housing that houses the engine side shaft, the lower side shaft, and the set of bevel gears, and the engine side shaft or the lower side shaft includes the engine Is provided with a unit clutch for connecting / disconnecting power from / to the drive housing, and an actuator for operating the unit clutch and a rotation measuring means for measuring the rotation speed of the power transmission mechanism.
  • a sail drive device comprising an upper unit connected to an engine and located in a ship, and a lower unit extending downward from the upper unit through an opening provided in a ship bottom, wherein the upper unit includes: A drive unit including a power transmission mechanism that transmits power from the engine to the lower unit is provided, and the drive unit can be removed from the upper unit in a state where the sail drive device is installed integrally with the engine.
  • the drive unit is connected to a power transmission shaft to which the power of the engine is transmitted, and the power transmission shaft is configured to be slidable in the axial direction.
  • the upper unit is provided with a flywheel housing connected to the engine, and the flywheel housing is provided with a work window that allows an operator to slide the power transmission shaft from the outside.
  • One end of the power transmission shaft is slidably supported in the axial direction by a damper housed in the flywheel housing, and the other end of the power transmission shaft is an engine side shaft provided in the drive unit. Splined.
  • a sail drive device connected to the engine and extending downward through an opening provided in a ship bottom, wherein an oil chamber for accommodating a power transmission mechanism is formed in the sail drive device,
  • the upper oil chamber and the lower oil chamber are divided by a partition wall provided above the opening.
  • the upper oil chamber is provided with a breathing hole communicating with the outside.
  • An oil tank is connected to the lower oil chamber, and a check valve that allows air to flow into the oil tank from the outside is provided in the oil tank.
  • FIG. 1 It is a figure which shows the ship provided with a sail drive apparatus. It is a perspective view of a sail drive device. It is a perspective view of a sail drive device. It is a transmission system diagram of a sail drive device. It is sectional drawing of a sail drive apparatus. It is a figure which shows the state which removed the drive unit from the upper unit. It is sectional drawing of an upper unit. It is a figure which shows sliding of a power transmission shaft. It is a figure which shows the work window provided in a flywheel housing. It is an exploded view of a drive unit. It is sectional drawing of a lower unit.
  • the sail drive device 1 is a power transmission device that transmits power from the engine 2 to a propeller 3 attached to the downstream end of the power transmission path of the sail drive device 1.
  • the sail drive device 1 is provided such that a part thereof protrudes downward through an opening 4 provided on the bottom of the ship 100.
  • the sail drive device 1 includes an upper unit 5 that is connected to the engine 2 and is located in the ship, and a lower unit 6 that extends downward from the upper unit 5 through an opening 4 provided in the ship bottom.
  • the upper unit 5 mainly includes a drive unit 7 that includes a power transmission mechanism that transmits power from the engine 2 to the lower unit 6, and a frame 8 that supports the drive unit 7 in the ship.
  • the lower unit 6 transmits the power transmitted from the upper unit 5 to the propeller 3.
  • the drive unit 7 is drivingly connected to the engine 2 and supported by the frame 8.
  • a lower unit 6 extending downward through the opening 4 is connected to the lower portion of the frame 8.
  • the sail drive device 1 is connected to the engine 2 and provided over the inside and outside of the ship through the opening provided in the ship bottom.
  • an engine bed 9 is integrally formed with the hull 100 around the opening 4 at the bottom of the ship.
  • an engine 2 to which the ship bottom waterproof part of the sail drive device 1 is fixed and the frame 8 is supported and the sail drive device 1 is fastened is attached.
  • the upper unit 5 is provided with a flywheel housing 11 connected to the rear end portion of the engine 2.
  • a damper 12 is provided in the flywheel housing 11.
  • the crankshaft of the engine 2 is connected to a power transmission shaft 13 that transmits power to the drive unit 7 via the damper 12.
  • the power transmitted from the engine 2 to the power transmission shaft 13 is transmitted to the engine side shaft 14 provided in the upper unit 5.
  • the power transmitted to the engine side shaft 14 is transmitted to the lower side shaft 16 provided in the upper unit 5 through a set of bevel gears 15.
  • the power transmitted to the lower shaft 16 is transmitted to the power transmission shaft 17 of the lower unit 6.
  • the power is transmitted from the power transmission shaft 17 to the propeller shaft 19 via the bevel gears 18a and 18b.
  • the propeller 3 provided at one end of the propeller shaft 19 is rotated and the ship 100 is propelled.
  • the upper unit 5 is provided with a drive unit 7 that includes a power transmission mechanism, and in the state where the sail drive device 1 is installed integrally with the engine 2, the drive unit 7 includes the upper unit 5. It is configured to be removable from.
  • the drive unit 7 and the frame 8 constituting the upper unit 5 will be described with reference to FIG.
  • the drive unit 7 mainly includes an engine side shaft 14 connected to a power transmission shaft 13 to which power of the engine 2 is transmitted, a lower side shaft 16 connected to a power transmission shaft 17 of the lower unit 6, and an engine side shaft.
  • Drive housing 7a Drive housing 7a.
  • one end of the power transmission shaft 13 is supported by a damper 12 accommodated in the flywheel housing 11 so as to be slidable in the axial direction.
  • the power transmission shaft 13 is arranged with the front-rear direction as a longitudinal direction, and is provided so as to extend rearward from the engine 2.
  • the damper 12 is provided with a hollow shaft portion, and a spline groove is provided inside the shaft portion.
  • One end of the power transmission shaft 13 is provided with a spline groove so as to be slidable along the shaft portion.
  • the other end of the power transmission shaft 13 is splined to an engine side shaft 14 provided in the drive unit 7.
  • the engine-side shaft 14 is disposed with the front-rear direction as the longitudinal direction, and penetrates through the drive housing 7a.
  • the power transmission shaft 13 is configured to be slidable in the axial direction of the power transmission shaft 13, so that the power transmission shaft 13 can be separated or brought into contact with the drive unit 7.
  • the power transmission shaft 13 is provided with a groove to which a retaining ring is attached at a predetermined interval in the axial direction.
  • One end of the power transmission shaft 13 can be fixed to the damper 12 by attaching a retaining ring to an arbitrary groove among the grooves.
  • the engine side shaft 14 is provided with a unit clutch 20 that connects and disconnects the power from the engine 2.
  • the unit clutch 20 is constituted by a wet multi-plate clutch.
  • the unit clutch 20 is provided with an electric actuator 20a.
  • the actuator 20a operates the unit clutch 20 to connect / disconnect power transmission from the engine side shaft 14 to the lower side shaft 16 via a pair of bevel gears 15.
  • the unit clutch 20 is configured to be provided on the engine side shaft 14, but is not limited thereto.
  • the unit clutch 20 may be provided on the lower shaft 16.
  • bevel gears 15a and 15a which will be described later, are provided on the lower shaft 16, and the bevel gear 15b is provided on the engine shaft 15.
  • the engine side shaft 14 or the lower side shaft 16 can be provided with the unit clutch 20 that connects and disconnects the power from the engine 2.
  • the pair of bevel gears 15 can be engaged with bevel gears 15a and 15a, 15a provided at both ends of the unit clutch 20 on the engine side shaft 14, respectively, and further downstream of the power transmission path than the bevel gears 15a, 15a. And a bevel gear 15b provided on the side.
  • the bevel gears 15a and 15a are provided along the engine side shaft 14 so that the gear forming portions face each other.
  • the bevel gears 15a and 15a are supported by the engine side shaft 14 so as to be relatively rotatable, and are connected to the unit clutch 20, respectively.
  • the actuator 20a By the operation of the actuator 20a, power is transmitted from the unit clutch 20 to one of the bevel gears 15a and 15a, so that the ship 100 can move forward or backward.
  • the bevel gear 15a has an extending portion that extends along the engine side shaft 14 on the back side of the gear forming portion.
  • the extension portion is provided with a bearing 21 as a bearing member.
  • An oil seal 22 is provided as a seal member in a through portion of the engine side shaft 14 in the drive housing 7a. Specifically, the oil seal 22 is provided between the engine side shaft 14 and the inner wall of the drive housing 7a in the penetrating portion, thereby preventing foreign matter from entering the drive housing 7a and the drive housing 7a. It is possible to prevent the inside lubricating oil from leaking to the outside.
  • An opening is provided in the rear part of the drive housing 7a. The opening of the drive housing 7a is sealed by fitting the bore plug 23 into the opening from the outside and fixing it with a fastener such as a bolt.
  • the bevel gear 15b is provided so as to be able to mesh with the bevel gears 15a and 15a.
  • the bevel gear 15 b is formed integrally with the lower side shaft 16.
  • the lower shaft 16 is integrally provided so as to extend downward from the back side of the gear forming portion of the bevel gear 15b.
  • the lower shaft 16 extends through the drive housing 7a. Between the lower shaft 16 and the inner wall constituting the drive housing 7a, bearings 24 and 24 as bearing members and an oil seal 25 as a seal member are sequentially arranged in the downward direction.
  • the bottom of the drive housing 7a is formed to protrude downward so as to surround the bearings 24, 24 and the oil seal 25 provided on the lower shaft 16.
  • the frame 8 will be described with reference to FIGS.
  • the frame 8 is provided so as to be positioned above the opening 4 on the ship bottom.
  • the frame 8 supports the drive unit 7 at the upper part thereof.
  • the frame 8 is configured as a housing having a hollow structure, and the inside thereof is filled with lubricating oil.
  • the lower shaft 16 penetrates the drive housing 7 a and extends downward toward the hollow portion of the frame 8.
  • the power transmission shaft 17 of the lower unit 6 passes through a lower housing 6 a described later and extends upward toward the hollow portion of the frame 8.
  • the lower side shaft 16 and the power transmission shaft 17 are spline-fitted via a sleeve 26, so that power is transmitted from the upper unit 5 to the lower unit 6. That is, the hollow portion of the frame 8 is configured as a lower oil chamber 42 a in which one end of the lower shaft 16 and one end of the power transmission shaft 17 are accommodated.
  • the frame 8 is provided with a frame that extends to the rear end surface of the flywheel housing 11, and the frame and the rear end surface of the flywheel housing 11 are fixed by a fastener such as a bolt.
  • the frame 8 is provided with a frame extending rearward, and the frame is fixed to the engine bed 9 with a fastener such as a bolt via a seal flange 10 and a vibration isolating rubber 27.
  • the frame 8 is fixed to the engine 2 and the engine bed 9.
  • the frame 8 supports the drive unit 7 by fitting the bottom of the drive housing 7a and fixing the frame 8 with a fastener such as a bolt at the top.
  • the seal flange 10 is an annular flange member, and is fixed to the engine bed 9 with the opening 4 at the bottom of the ship as the center. Between the seal flange 10 and the frame 8, annular seal members 28a and 28b constituted by a gasket or the like are provided. An annular seal member 28 a is provided between the inner peripheral edge of the seal flange 10 and the frame 8, and an annular seal member 28 b is provided between the outer peripheral edge of the seal flange 10 and the frame 8. As described above, a double seal structure is provided between the seal flange 10 and the frame 8 so that water does not enter the ship through the opening 4.
  • the flywheel housing 11 is provided with a work window 31 that allows the operator to slide the power transmission shaft 13 from the outside.
  • the work window 31 is configured to be openable and closable.
  • the work window 31 is provided with openings on both sides of the outer peripheral surface of the flywheel housing 11.
  • the opening portion of the working window 31 has a structure that can cover the lid 31a having a shape covering the opening portion with a fastener such as a bolt.
  • the operator can slide the power transmission shaft 13 in the axial direction directly through the opening of the work window 31 by removing the lid 31a covering the opening from the flywheel housing 11.
  • a procedure for removing the drive unit 7 from the upper unit 5 will be described.
  • the lid 31 a provided on the work window 31 of the flywheel housing 11 is removed, and the power transmission shaft 13 is slid forward (engine 2 side) through the opening of the work window 31.
  • the drive unit 7 is attached to the frame 8 by removing a cord or the like connected to an electrical component (actuator 20a, etc.) provided in the drive unit 7 and then removing a fastener such as a bolt that fixes the drive unit 7 and the frame 8. Can be removed from.
  • the drive housing 7a has a two-part structure that can be divided vertically.
  • a set of bevel gears 15, a unit clutch 20 and the like inside the drive housing 7a are removed by removing fasteners such as bolts for fixing the case with the split structure. Maintenance work can be performed.
  • the upper unit 5 is provided with the drive unit 7 including the power transmission mechanism for transmitting the power from the engine 2 to the lower unit 6, and the sail drive device 1 is installed integrally with the engine 2.
  • the drive unit 7 is configured to be removable from the upper unit 5, so that the maintenance work of the drive unit 7 can be easily performed.
  • the rotation measurement for measuring the rotational speed of the actuator 20a for operating the unit clutch 20 and the bevel gear 14b constituting the power transmission mechanism As shown in FIGS. 2 and 3, on the outer surface of the drive housing 7a constituting the drive unit 7, the rotation measurement for measuring the rotational speed of the actuator 20a for operating the unit clutch 20 and the bevel gear 14b constituting the power transmission mechanism.
  • a rotation sensor 32 is provided as a means. Since the actuator 20a and the rotation sensor 32 are provided on the outer surface of the upper housing 5a, the drive unit 7 can be attached to or detached from the frame 8 with the actuator 20a and the rotation sensor 32 attached to the drive housing 7a. Assembling property is improved. Further, on the outer surface of the frame 8, an intake 33 for taking in the cooling water of the engine 2 is provided.
  • one end of the power transmission shaft 13 is supported by the damper 12 accommodated in the flywheel housing 11 so as to be slidable in the axial direction, and the other end of the power transmission shaft 13 is
  • the engine-side shaft 14 provided in the unit 5 is spline-fitted. That is, the shaft for transmitting power from the engine 2 into the upper unit 5 is divided into the power transmission shaft 13 and the engine-side shaft 14 and is provided with power.
  • the transmission shaft 13 is supported by a spline.
  • the power transmission shaft 13 has a fuse function for absorbing an impact generated when the propeller 3 is locked.
  • the power transmission shaft 13 is spline-fitted to the damper 12 of the flywheel housing 11 and the engine side shaft 14 disposed in the drive housing 7a, the engine 2 and the drive unit 7 can be connected even if the power transmission shaft 13 is damaged. There is no need to disassemble the power transmission shaft 13 and the maintenance can be improved.
  • the sail drive device 1 is provided with an oil chamber that houses a power transmission mechanism that transmits power from the engine 2 to the propeller 3.
  • the oil chamber is divided into an upper oil chamber 41 and lower oil chambers 42 a and 42 b by a partition wall (in the present embodiment, the bottom surface of the drive housing 7 a) provided above the opening 4.
  • the lower shaft 16 is provided through the partition wall (the bottom surface of the drive housing 7a), and the power transmission mechanism accommodated in the upper oil chamber 41 and the power accommodated in the lower oil chambers 42a and 42b.
  • the transmission mechanism is connected. As shown in FIG.
  • an engine side shaft 14 provided as a power transmission mechanism for transmitting power from the engine 2 to the lower unit 6, a pair of bevel gears 15, a lower side shaft 16, and a unit clutch 20 are provided.
  • the upper oil chamber 41 is filled with lubricating oil.
  • seal members (oil seals 22 and 24) are respectively provided in the penetrating portion of the engine-side shaft 12 in the drive housing 7a and the penetrating portion of the lower-side shaft 16 in the drive housing 7a. It is possible to prevent the lubricating oil from leaking to the outside.
  • a seal member is provided at a through portion of the lower housing 16 in the drive housing 7a, thereby sealing the through portion of the lower shaft 16 in the drive housing 7a.
  • the lower unit 6 will be described with reference to FIGS. 7 and 11.
  • the lower unit 6 is mainly provided with a power transmission shaft 17 coupled to the lower shaft 16, a bevel gear 18a provided at one end of the power transmission shaft 17, a bevel gear 18b meshing with the bevel gear 18a, and the bevel gear 18b. It is comprised by the propeller shaft 19 and the lower housing 6a which accommodates them.
  • the lower unit 6 is provided so as to extend downward from the opening 4 at the bottom of the ship.
  • the lower unit 6 includes an interposed member 51 at the upper end thereof.
  • the interposed member 51 is configured as a communication path that connects a cooling water path and the like described later between the frame 8 and the lower unit 6, and the outer shape thereof is formed in a substantially disk shape.
  • the upper part of the lower unit 6 is fixed to the lower part of the frame 8 by fasteners such as bolts.
  • a power transmission shaft 17 is arranged with the vertical direction as the longitudinal direction.
  • the upper end of the power transmission shaft 17 is provided through the upper end of the lower housing 6a.
  • Bearings 52 and 52 are arranged side by side as bearing members in the lower housing 6a through the power transmission shaft 17 from the outer end toward the inner side.
  • a bevel gear 18 a is provided at the downstream end of the power transmission path of the power transmission shaft 17.
  • the bevel gear 18 a is spline fitted to the power transmission shaft 17.
  • the bevel gear 18a has an extending portion that extends along the power transmission shaft 17 on the back side of the gear forming portion. In the extended portion, bearings 53 and 53 are sequentially arranged as bearing members.
  • the bevel gear 18b is provided so as to mesh with the bevel gear 18a.
  • the bevel gear 18 b is provided on the propeller shaft 19.
  • the propeller shaft 19 is arranged with the front-rear direction as a longitudinal direction, and is provided through a lid 57 described later attached to the lower rear surface of the lower housing 6a.
  • a bearing 54 is provided as a bearing member at the end of the propeller shaft 19 in the lower housing 6a, and a bevel gear 18b is spline-fitted to the middle portion of the propeller shaft 19.
  • the bevel gear 18b has an extending portion that extends along the propeller shaft 19 on the back side of the gear forming portion.
  • a bearing 55 is provided as a bearing member behind the extended portion.
  • oil seals 56 and 56 are arranged side by side as a seal member between the propeller shaft 19 and the inner wall constituting the lid 57.
  • the lower rear surface of the lower housing 6a is provided with an opening for accommodating the bevel gears 18a and 18b.
  • a lid 57 that closes the opening is fixed by a fastener such as a bolt.
  • the lid 57 is provided with a sacrificial anode 58 so as to cover the lid 57 from the outside.
  • the sacrificial anode 58 is fixed to the lid 57 and the lower housing 6a by a fastener such as a bolt.
  • a lower oil chamber 42b for accommodating a power transmission mechanism such as the power transmission shaft 17, the bevel gears 18a and 18b, the propeller shaft 19 and the like is formed in the lower housing 6a.
  • 42b is filled with lubricating oil.
  • the lower oil chamber 42 b in the lower housing 6 a communicates with the lower oil chamber 42 a in the hollow portion of the frame 8 via the interposition member 51.
  • the oil chamber in the sail drive device 1 is divided into the upper oil chamber 41 and the lower oil chambers 42 a and 42 b by the partition wall (in this embodiment, the bottom surface of the drive housing 7 a), so that the fluid resistance Compared to the power transmission mechanism provided in the lower oil chambers 42a and 42b, the configuration of the power transmission mechanism provided in the upper oil chamber 41 can be greatly changed.
  • the upper oil chamber 41 can be filled with lubricating oil suitable for the unit clutch 20. Since the unit clutch 20 is composed of a wet multi-plate clutch, the functionality and durability of the unit clutch 20 can be improved by using a lubricating oil that does not impair the friction performance.
  • the shape of the lubricant can be increased to increase the strength of the teeth. It can prevent a decline in sex.
  • the shape of the power transmission mechanism and the drive housing 7a provided in the upper oil chamber 41 does not take fluid resistance into consideration and can be easily changed as compared with the shape of the lower housing 6a provided outside the ship.
  • the power transmission mechanism (unit clutch) provided in the upper oil chamber 41 is changed by changing the configuration of the power transmission mechanism provided in the upper oil chamber 41 using the lubricant suitable for the unit clutch 20. 20 etc.) can be improved.
  • the durability of the power transmission mechanism in the upper oil chamber 41 the frequency and time of maintenance work can be reduced, and the maintainability can be improved.
  • Cooling water channels 62 a and 62 b for cooling the engine 2 are provided between the inner wall 61 a and the outer wall 61 b of the lower housing 6 a of the lower unit 6.
  • the cooling water channel 62a is provided on the front side of the lower housing 6a, and is provided with the vertical direction as the longitudinal direction.
  • the cooling water passage 62a is provided through the bottom of the lower housing 6a. Water used for cooling the engine 2 is taken into the cooling water passage 62a from the through portion.
  • the cooling water passage 62b is provided on the rear side of the lower housing 6a, and is provided with the vertical direction as the longitudinal direction.
  • the cooling water channel 62b is provided with three communication holes 63 that allow the outer wall of the lower housing 6a to communicate with the water channel 61b. Water used for cooling the engine 2 is taken into the cooling water passage 62b from the communication hole 63.
  • a cooling water channel 62c is provided between the inner wall 8a (see FIG. 7) and the outer wall 8b (see FIG. 7) of the frame 8 of the upper unit 5.
  • the cooling water channel 62 c is formed so as to communicate with the outside via an intake port 33 provided in the outer wall 8 b of the frame 8.
  • the cooling water is guided to the engine 2 through the intake port 33.
  • the cooling water channel 62c communicates with the cooling water channels 62a and 62b of the lower housing 6a via the interposing member 51.
  • the upper oil chamber 41 is provided with a breathing hole 71 communicating with the outside of the drive unit 7 constituting the upper unit 5.
  • a breathing hole 71 communicating with the upper oil chamber 41 is provided on the upper surface of the drive housing 7a.
  • the upper oil chamber 41 is provided with the breathing hole 71 that allows the upper oil chamber 41 to communicate with the inside of the hull, so that an increase or decrease in pressure in the upper oil chamber 41 can be suppressed. Wear of 22 and 25 can be prevented.
  • an oil tank 82 is connected to the lower oil chamber 42 b via an oil pipe 81.
  • the oil tank 82 is provided with a check valve 83 that allows air to flow into the oil tank 82 from the outside.
  • the check valve 83 can prevent water from entering the lower housing 6a.
  • the pressure in the lower oil chambers 42a and 42b is prevented from becoming negative, and foreign matter such as water is prevented from entering from the oil seal 56 of the propeller shaft 19. be able to.
  • the present invention can be used for a sail drive device.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transportation (AREA)
  • General Details Of Gearings (AREA)

Abstract

Provided is a saildrive apparatus capable of having maintenance work easily performed thereon even at sea. The saildrive apparatus is provided with: an upper unit connected with an engine and positioned within a ship; and a lower unit extended out from the upper unit downward through an opening provided on the bottom of the ship. The upper unit is provided with a drive unit enclosing a power transmission mechanism for transmitting power from the engine to the lower unit, and the saildrive apparatus is integrally installed with the engine. In this state, the drive unit is configured to be detachable from the upper unit.

Description

セイルドライブ装置Sail drive device
　本発明は、セイルドライブ装置に関する。 The present invention relates to a sail drive device.
　従来、セイルドライブ装置は、アッパーユニットとアッパーユニットに接合されたロアユニットとを有する。アッパーユニットには、エンジンに連結される入力軸、入力軸に支持されている前後進クラッチ等が組み込まれ、ロアユニットには、ドライブシャフト及びプロペラシャフトを含む出力軸等が組み込まれている。 Conventionally, a sail drive device has an upper unit and a lower unit joined to the upper unit. The upper unit incorporates an input shaft coupled to the engine, a forward / reverse clutch supported by the input shaft, and the like, and the lower unit incorporates an output shaft including a drive shaft and a propeller shaft.
特開２００８－２２３８１１号公報JP 2008-223811 A
　上述のセイルドライブ装置は、エンジンと一体的に組み付けられているため、セイルドライブ装置内の前後進クラッチ等の動力伝達機構に対するメンテナンス作業を行う場合に、エンジンとセイルドライブ装置とを分離させた状態でないと行うことが困難であった。
　そのため、メンテナンス作業が煩雑であり、洋上でのメンテナンス作業を行うことが困難であった。
　そこで、本発明は、洋上においても容易にメンテナンス作業を行うことができるセイルドライブ装置を提供する。 Since the above-described sail drive device is integrally assembled with the engine, the engine and the sail drive device are separated when performing maintenance work on a power transmission mechanism such as a forward / reverse clutch in the sail drive device. Otherwise it was difficult to do.
Therefore, the maintenance work is complicated and it is difficult to perform the maintenance work on the ocean.
Therefore, the present invention provides a sail drive device that can easily perform maintenance work on the ocean.
　本発明のセイルドライブ装置は、エンジンと連結され、船内に位置するアッパーユニットと、船底に設けられる開口部を通じて前記アッパーユニットから下方に向けて延出されるロアユニットと、を備えるセイルドライブ装置であって、前記アッパーユニットには、前記エンジンからの動力を前記ロアユニットに伝達する動力伝達機構を内包するドライブユニットが設けられるとともに、前記セイルドライブ装置が前記エンジンと一体的に据え付けられた状態において、前記ドライブユニットは、前記アッパーユニットから取外し可能に構成される。 A sail drive device according to the present invention is a sail drive device that includes an upper unit that is connected to an engine and is located in a ship, and a lower unit that extends downward from the upper unit through an opening provided in a ship bottom. The upper unit is provided with a drive unit that includes a power transmission mechanism that transmits power from the engine to the lower unit, and the sail drive device is installed integrally with the engine. The drive unit is configured to be removable from the upper unit.
　前記ドライブユニットは、前記エンジンの動力が伝達される動力伝達軸と連結されるエンジン側軸と、前記ロアユニットの動力伝達軸と連結されるロア側軸と、前記エンジン側軸から前記ロア側軸に動力を伝達する一組のベベルギアと、前記エンジン側軸と前記ロア側軸と前記一組のベベルギアとを収容するドライブハウジングと、を備え、前記エンジン側軸及び前記ロア側軸は、前記ドライブハウジングにそれぞれ貫設されるとともに、前記ドライブハウジングにおける前記エンジン側軸及び前記ロア側軸の貫設部には、それぞれシール部材が設けられる。 The drive unit includes an engine side shaft connected to a power transmission shaft to which power of the engine is transmitted, a lower side shaft connected to a power transmission shaft of the lower unit, and the engine side shaft to the lower side shaft. A set of bevel gears for transmitting power; and a drive housing that houses the engine side shaft, the lower side shaft, and the set of bevel gears, wherein the engine side shaft and the lower side shaft are connected to the drive housing. And a seal member is provided in each of the through-holes of the engine side shaft and the lower side shaft in the drive housing.
　前記ドライブユニットは、前記エンジンの動力が伝達される動力伝達軸と連結されるエンジン側軸と、前記ロアユニットの動力伝達軸と連結されるロア側軸と、前記エンジン側軸から前記ロア側軸に動力を伝達する一組のベベルギアと、前記エンジン側軸と前記ロア側軸と前記一組のベベルギアとを収容するドライブハウジングと、を備え、前記エンジン側軸又は前記ロア側軸には、前記エンジンからの動力を断接するユニットクラッチが設けられるとともに、前記ドライブハウジングには、前記ユニットクラッチを作動させるアクチュエータと、前記動力伝達機構の回転速度を計測する回転計測手段と、が設けられる。 The drive unit includes an engine side shaft connected to a power transmission shaft to which power of the engine is transmitted, a lower side shaft connected to a power transmission shaft of the lower unit, and the engine side shaft to the lower side shaft. A set of bevel gears for transmitting power; and a drive housing that houses the engine side shaft, the lower side shaft, and the set of bevel gears, and the engine side shaft or the lower side shaft includes the engine Is provided with a unit clutch for connecting / disconnecting power from / to the drive housing, and an actuator for operating the unit clutch and a rotation measuring means for measuring the rotation speed of the power transmission mechanism.
　エンジンと連結され、船内に位置するアッパーユニットと、船底に設けられる開口部を通じて前記アッパーユニットから下方に向けて延出されるロアユニットと、を備えるセイルドライブ装置であって、前記アッパーユニットには、前記エンジンからの動力を前記ロアユニットに伝達する動力伝達機構を内包するドライブユニットが設けられ、前記セイルドライブ装置が前記エンジンと一体的に据え付けられた状態において、前記ドライブユニットは、前記アッパーユニットから取外し可能に構成されるとともに、前記ドライブユニットには、前記エンジンの動力が伝達される動力伝達軸が連結されるとともに、前記動力伝達軸は、軸方向に摺動可能に構成される。 A sail drive device comprising an upper unit connected to an engine and located in a ship, and a lower unit extending downward from the upper unit through an opening provided in a ship bottom, wherein the upper unit includes: A drive unit including a power transmission mechanism that transmits power from the engine to the lower unit is provided, and the drive unit can be removed from the upper unit in a state where the sail drive device is installed integrally with the engine. The drive unit is connected to a power transmission shaft to which the power of the engine is transmitted, and the power transmission shaft is configured to be slidable in the axial direction.
　前記アッパーユニットには、前記エンジンと連結されるフライホイールハウジングが設けられるとともに、前記フライホイールハウジングには、外部からオペレータによって前記動力伝達軸の摺動を可能にする作業窓が設けられる。 The upper unit is provided with a flywheel housing connected to the engine, and the flywheel housing is provided with a work window that allows an operator to slide the power transmission shaft from the outside.
　前記動力伝達軸の一端は、前記フライホイールハウジング内に収容されるダンパに前記軸方向に摺動可能に支持されるとともに、前記動力伝達軸の他端は、前記ドライブユニットに設けられるエンジン側軸とスプライン嵌合される。 One end of the power transmission shaft is slidably supported in the axial direction by a damper housed in the flywheel housing, and the other end of the power transmission shaft is an engine side shaft provided in the drive unit. Splined.
　エンジンと連結され、船底に設けられる開口部を通じて下方に延出されるセイルドライブ装置であって、前記セイルドライブ装置内には、動力伝達機構を収容する油室が形成され、前記油室は、前記開口部よりも上側に設けられる隔壁によって上油室と下油室とに分割される。 A sail drive device connected to the engine and extending downward through an opening provided in a ship bottom, wherein an oil chamber for accommodating a power transmission mechanism is formed in the sail drive device, The upper oil chamber and the lower oil chamber are divided by a partition wall provided above the opening.
　前記上油室には、外部と連通する呼吸孔が設けられる。 The upper oil chamber is provided with a breathing hole communicating with the outside.
　前記下油室には、オイルタンクが接続されるとともに、前記オイルタンクには、外部から前記オイルタンク内への空気の流入を許容する逆止弁が設けられる。 An oil tank is connected to the lower oil chamber, and a check valve that allows air to flow into the oil tank from the outside is provided in the oil tank.
　本発明によれば、容易にメンテナンス作業を行うことができる。 According to the present invention, maintenance work can be easily performed.
セイルドライブ装置が設けられる船舶を示す図である。It is a figure which shows the ship provided with a sail drive apparatus. セイルドライブ装置の斜視図である。It is a perspective view of a sail drive device. セイルドライブ装置の斜視図である。It is a perspective view of a sail drive device. セイルドライブ装置の伝動系統図である。It is a transmission system diagram of a sail drive device. セイルドライブ装置の断面図である。It is sectional drawing of a sail drive apparatus. ドライブユニットをアッパーユニットから取り外した状態を示す図である。It is a figure which shows the state which removed the drive unit from the upper unit. アッパーユニットの断面図である。It is sectional drawing of an upper unit. 動力伝達軸の摺動を示す図である。It is a figure which shows sliding of a power transmission shaft. フライホイールハウジングに設けられる作業窓を示す図である。It is a figure which shows the work window provided in a flywheel housing. ドライブユニットの分解図である。It is an exploded view of a drive unit. ロアユニットの断面図である。It is sectional drawing of a lower unit.
　図１を用いて、セイルドライブ装置１が設けられる船舶１００について説明する。
　セイルドライブ装置１は、エンジン２からの動力をセイルドライブ装置１の動力伝達経路下流端に取り付けられるプロペラ３に伝達する動力伝達装置である。
　セイルドライブ装置１は、船舶１００の船底に設けられる開口部４を通じてその一部が下方に突出するように設けられる。 A ship 100 provided with a sail drive device 1 will be described with reference to FIG.
The sail drive device 1 is a power transmission device that transmits power from the engine 2 to a propeller 3 attached to the downstream end of the power transmission path of the sail drive device 1.
The sail drive device 1 is provided such that a part thereof protrudes downward through an opening 4 provided on the bottom of the ship 100.
　図１から図３を用いてセイルドライブ装置１について説明する。
　セイルドライブ装置１は、エンジン２と連結され、船内に位置するアッパーユニット５と、船底に設けられる開口部４を通じてアッパーユニット５から下方に向けて延出されるロアユニット６と、を備える。
　アッパーユニット５には、主に、エンジン２からの動力をロアユニット６に伝達する動力伝達機構を内包するドライブユニット７と、ドライブユニット７を船内において支持するフレーム８と、によって構成される。ロアユニット６は、アッパーユニット５から伝達された動力をプロペラ３に伝達する。
　ドライブユニット７は、エンジン２と駆動連結されるとともに、フレーム８に支持される。フレーム８の下部には、開口部４を通じて下方に延出されるロアユニット６が連結される。
　以上のように、セイルドライブ装置１はエンジン２と連結され、船底に設けられる開口部を通じて船内外にわたって設けられる。 The sail drive device 1 will be described with reference to FIGS.
The sail drive device 1 includes an upper unit 5 that is connected to the engine 2 and is located in the ship, and a lower unit 6 that extends downward from the upper unit 5 through an opening 4 provided in the ship bottom.
The upper unit 5 mainly includes a drive unit 7 that includes a power transmission mechanism that transmits power from the engine 2 to the lower unit 6, and a frame 8 that supports the drive unit 7 in the ship. The lower unit 6 transmits the power transmitted from the upper unit 5 to the propeller 3.
The drive unit 7 is drivingly connected to the engine 2 and supported by the frame 8. A lower unit 6 extending downward through the opening 4 is connected to the lower portion of the frame 8.
As described above, the sail drive device 1 is connected to the engine 2 and provided over the inside and outside of the ship through the opening provided in the ship bottom.
　図４に示すように、船底の開口部４の周囲には、エンジンベッド９が船体１００と一体的に構成されている。エンジンベッド９の上部には、セイルドライブ装置１の船底防水部品を固定するとともにフレーム８を支持するシールフランジ１０及びセイルドライブ装置１が締結されるエンジン２が取付けられる。 As shown in FIG. 4, an engine bed 9 is integrally formed with the hull 100 around the opening 4 at the bottom of the ship. On the upper part of the engine bed 9, an engine 2 to which the ship bottom waterproof part of the sail drive device 1 is fixed and the frame 8 is supported and the sail drive device 1 is fastened is attached.
　図４及び図５を用いてセイルドライブ装置１の駆動について説明する。
　アッパーユニット５には、エンジン２の後端部と連結するフライホイールハウジング１１が設けられる。フライホイールハウジング１１内には、ダンパ１２が設けられる。該ダンパ１２を介して、エンジン２のクランク軸はドライブユニット７に動力を伝達する動力伝達軸１３と接続される。
　エンジン２から動力伝達軸１３に伝達される動力は、アッパーユニット５に設けられるエンジン側軸１４に伝達される。エンジン側軸１４に伝達される動力は、一組のベベルギア１５を介してアッパーユニット５に設けられるロア側軸１６に伝達される。ロア側軸１６に伝達される動力は、ロアユニット６の動力伝達軸１７に伝達される。そして、動力伝達軸１７からベベルギア１８ａ・１８ｂを介してプロペラ軸１９に伝達される。プロペラ軸１９に動力が伝達されることで、プロペラ軸１９の一端に設けられるプロペラ３は回転されて船舶１００は推進される。 The driving of the sail drive device 1 will be described with reference to FIGS. 4 and 5.
The upper unit 5 is provided with a flywheel housing 11 connected to the rear end portion of the engine 2. A damper 12 is provided in the flywheel housing 11. The crankshaft of the engine 2 is connected to a power transmission shaft 13 that transmits power to the drive unit 7 via the damper 12.
The power transmitted from the engine 2 to the power transmission shaft 13 is transmitted to the engine side shaft 14 provided in the upper unit 5. The power transmitted to the engine side shaft 14 is transmitted to the lower side shaft 16 provided in the upper unit 5 through a set of bevel gears 15. The power transmitted to the lower shaft 16 is transmitted to the power transmission shaft 17 of the lower unit 6. Then, the power is transmitted from the power transmission shaft 17 to the propeller shaft 19 via the bevel gears 18a and 18b. By transmitting power to the propeller shaft 19, the propeller 3 provided at one end of the propeller shaft 19 is rotated and the ship 100 is propelled.
　図６に示すように、アッパーユニット５には、動力伝達機構を内包するドライブユニット７が設けられるとともに、セイルドライブ装置１がエンジン２と一体的に据え付けられた状態において、ドライブユニット７は、アッパーユニット５から取外し可能に構成される。 As shown in FIG. 6, the upper unit 5 is provided with a drive unit 7 that includes a power transmission mechanism, and in the state where the sail drive device 1 is installed integrally with the engine 2, the drive unit 7 includes the upper unit 5. It is configured to be removable from.
　図７を用いて、アッパーユニット５を構成するドライブユニット７及びフレーム８について説明する。
　ドライブユニット７は、主に、エンジン２の動力が伝達される動力伝達軸１３と連結されるエンジン側軸１４と、ロアユニット６の動力伝達軸１７と連結されるロア側軸１６と、エンジン側軸１４からロア側軸１６に動力を伝達する一組のベベルギア１５と、エンジン側軸１４に設けられるユニットクラッチ２０と、エンジン側軸１４とロア側軸１６と一組のベベルギア１５とユニットクラッチ２０とを収容するドライブハウジング７ａと、を備える。 The drive unit 7 and the frame 8 constituting the upper unit 5 will be described with reference to FIG.
The drive unit 7 mainly includes an engine side shaft 14 connected to a power transmission shaft 13 to which power of the engine 2 is transmitted, a lower side shaft 16 connected to a power transmission shaft 17 of the lower unit 6, and an engine side shaft. A pair of bevel gears 15 for transmitting power from the power source 14 to the lower side shaft 16, a unit clutch 20 provided on the engine side shaft 14, an engine side shaft 14, the lower side shaft 16, a set of bevel gears 15, and a unit clutch 20. Drive housing 7a.
　図８に示すように、動力伝達軸１３の一端は、フライホイールハウジング１１内に収容されるダンパ１２に軸方向に摺動可能に支持される。動力伝達軸１３は、前後方向を長手方向として配置され、エンジン２から後方に向けて延出するように設けられる。ダンパ１２には、中空状の軸部が設けられるとともに、該軸部の内側にはスプライン溝が設けられる。動力伝達軸１３の一端は、軸部に沿って摺動可能にスプライン溝が設けられる。
　動力伝達軸１３の他端は、ドライブユニット７に設けられるエンジン側軸１４にスプライン嵌合される。エンジン側軸１４は、前後方向を長手方向として配置され、ドライブハウジング７ａに貫設される。
　以上のように、動力伝達軸１３は、該動力伝達軸１３の軸方向に摺動可能に構成されることで、ドライブユニット７に対して離間又は当接することができる。 As shown in FIG. 8, one end of the power transmission shaft 13 is supported by a damper 12 accommodated in the flywheel housing 11 so as to be slidable in the axial direction. The power transmission shaft 13 is arranged with the front-rear direction as a longitudinal direction, and is provided so as to extend rearward from the engine 2. The damper 12 is provided with a hollow shaft portion, and a spline groove is provided inside the shaft portion. One end of the power transmission shaft 13 is provided with a spline groove so as to be slidable along the shaft portion.
The other end of the power transmission shaft 13 is splined to an engine side shaft 14 provided in the drive unit 7. The engine-side shaft 14 is disposed with the front-rear direction as the longitudinal direction, and penetrates through the drive housing 7a.
As described above, the power transmission shaft 13 is configured to be slidable in the axial direction of the power transmission shaft 13, so that the power transmission shaft 13 can be separated or brought into contact with the drive unit 7.
　動力伝達軸１３には、止め輪が取付けられる溝が軸方向に所定の間隔をあけて設けられる。該溝のうち、任意の溝に止め輪を取付けることで、動力伝達軸１３の一端は、ダンパ１２に固定することができる。 The power transmission shaft 13 is provided with a groove to which a retaining ring is attached at a predetermined interval in the axial direction. One end of the power transmission shaft 13 can be fixed to the damper 12 by attaching a retaining ring to an arbitrary groove among the grooves.
　図７に示すように、エンジン側軸１４には、エンジン２からの動力を断接するユニットクラッチ２０が設けられる。ユニットクラッチ２０は、湿式多板クラッチによって構成されている。ユニットクラッチ２０には、電動式のアクチュエータ２０ａが設けられる。該アクチュエータ２０ａによってユニットクラッチ２０を作動して一組のベベルギア１５を介してエンジン側軸１４からロア側軸１６への動力伝達を断接している。 As shown in FIG. 7, the engine side shaft 14 is provided with a unit clutch 20 that connects and disconnects the power from the engine 2. The unit clutch 20 is constituted by a wet multi-plate clutch. The unit clutch 20 is provided with an electric actuator 20a. The actuator 20a operates the unit clutch 20 to connect / disconnect power transmission from the engine side shaft 14 to the lower side shaft 16 via a pair of bevel gears 15.
　本実施形態では、ユニットクラッチ２０はエンジン側軸１４に設けられる構成となっているが、これに限定されない。例えば、ロア側軸１６にユニットクラッチ２０が設けられる構成としてもよい。この場合、後述するベベルギア１５ａ・１５ａは、ロア側軸１６に設けられ、ベベルギア１５ｂは、エンジン側軸１５に設けられる構成とする。
　以上のように、エンジン側軸１４又はロア側軸１６には、エンジン２からの動力を断接するユニットクラッチ２０を設けることができる。 In the present embodiment, the unit clutch 20 is configured to be provided on the engine side shaft 14, but is not limited thereto. For example, the unit clutch 20 may be provided on the lower shaft 16. In this case, bevel gears 15a and 15a, which will be described later, are provided on the lower shaft 16, and the bevel gear 15b is provided on the engine shaft 15.
As described above, the engine side shaft 14 or the lower side shaft 16 can be provided with the unit clutch 20 that connects and disconnects the power from the engine 2.
　一組のベベルギア１５は、エンジン側軸１４におけるユニットクラッチ２０の両端部に、それぞれ設けられるベベルギア１５ａと、ベベルギア１５ａ・１５ａとそれぞれ噛み合い可能であり、かつ、ベベルギア１５ａ・１５ａよりも動力伝達経路下流側に設けられるベベルギア１５ｂと、によって構成される。 The pair of bevel gears 15 can be engaged with bevel gears 15a and 15a, 15a provided at both ends of the unit clutch 20 on the engine side shaft 14, respectively, and further downstream of the power transmission path than the bevel gears 15a, 15a. And a bevel gear 15b provided on the side.
　ベベルギア１５ａ・１５ａは、ギア形成部がそれぞれ対向するようにエンジン側軸１４に沿って設けられる。ベベルギア１５ａ・１５ａは、エンジン側軸１４に相対回転可能に支持されるとともに、ユニットクラッチ２０にそれぞれ連結される。アクチュエータ２０ａの作動によって、ユニットクラッチ２０からベベルギア１５ａ・１５ａのどちらか一方のベベルギア１５ａに動力が伝達されることで、船舶１００は前進又は後進することができる。
　ベベルギア１５ａは、ギア形成部の背面側にエンジン側軸１４に沿って延出される延出部を有する。該延出部には、軸受部材としてベアリング２１が設けられる。 The bevel gears 15a and 15a are provided along the engine side shaft 14 so that the gear forming portions face each other. The bevel gears 15a and 15a are supported by the engine side shaft 14 so as to be relatively rotatable, and are connected to the unit clutch 20, respectively. By the operation of the actuator 20a, power is transmitted from the unit clutch 20 to one of the bevel gears 15a and 15a, so that the ship 100 can move forward or backward.
The bevel gear 15a has an extending portion that extends along the engine side shaft 14 on the back side of the gear forming portion. The extension portion is provided with a bearing 21 as a bearing member.
　ドライブハウジング７ａにおけるエンジン側軸１４の貫通部には、シール部材としてオイルシール２２が設けられる。具体的には、貫通部におけるエンジン側軸１４とドライブハウジング７ａを構成する内壁との間にオイルシール２２が設けられることで、ドライブハウジング７ａ内に異物が混入することを防いだり、ドライブハウジング７ａ内の潤滑油が外部に漏れることを防いだりすることができる。
　ドライブハウジング７ａの後部には、開口部が設けられる。該開口部にボアプラグ２３を外側から嵌め込んだうえでボルト等の締結具によって固定することで、ドライブハウジング７ａの開口部を密封している。 An oil seal 22 is provided as a seal member in a through portion of the engine side shaft 14 in the drive housing 7a. Specifically, the oil seal 22 is provided between the engine side shaft 14 and the inner wall of the drive housing 7a in the penetrating portion, thereby preventing foreign matter from entering the drive housing 7a and the drive housing 7a. It is possible to prevent the inside lubricating oil from leaking to the outside.
An opening is provided in the rear part of the drive housing 7a. The opening of the drive housing 7a is sealed by fitting the bore plug 23 into the opening from the outside and fixing it with a fastener such as a bolt.
　ベベルギア１５ｂは、ベベルギア１５ａ・１５ａとそれぞれ噛み合い可能に設けられる。ベベルギア１５ｂは、ロア側軸１６と一体的に成形される。ベベルギア１５ｂのギア形成部の背面側から下方に向けてロア側軸１６が延出されるように一体的に設けられる。
　ロア側軸１６は、ドライブハウジング７ａを貫設される。ロア側軸１６とドライブハウジング７ａを構成する内壁との間には、下方に向けて軸受部材としてベアリング２４・２４及びシール部材としてオイルシール２５が順に並べて配置される。
　ドライブハウジング７ａの底部は、ロア側軸１６に設けられるベアリング２４・２４及びオイルシール２５を囲うように下方に突出して形成される。 The bevel gear 15b is provided so as to be able to mesh with the bevel gears 15a and 15a. The bevel gear 15 b is formed integrally with the lower side shaft 16. The lower shaft 16 is integrally provided so as to extend downward from the back side of the gear forming portion of the bevel gear 15b.
The lower shaft 16 extends through the drive housing 7a. Between the lower shaft 16 and the inner wall constituting the drive housing 7a, bearings 24 and 24 as bearing members and an oil seal 25 as a seal member are sequentially arranged in the downward direction.
The bottom of the drive housing 7a is formed to protrude downward so as to surround the bearings 24, 24 and the oil seal 25 provided on the lower shaft 16.
　図５及び図７を用いて、フレーム８について説明する。
　フレーム８は、船底の開口部４の上部に位置するように設けられる。フレーム８は、その上部においてドライブユニット７を支持している。フレーム８は、中空構造を有するハウジングとして構成され、その内部は潤滑油によって満たされている。 The frame 8 will be described with reference to FIGS.
The frame 8 is provided so as to be positioned above the opening 4 on the ship bottom. The frame 8 supports the drive unit 7 at the upper part thereof. The frame 8 is configured as a housing having a hollow structure, and the inside thereof is filled with lubricating oil.
　ロア側軸１６は、ドライブハウジング７ａを貫通して、フレーム８の中空部に向けて下方に延出される。ロアユニット６の動力伝達軸１７は、後述するロアハウジング６ａを貫通して、フレーム８の中空部に向けて上方に延出される。フレーム８の中空部において、ロア側軸１６と動力伝達軸１７とはスリーブ２６を介してスプライン嵌合されることで、アッパーユニット５からロアユニット６に動力が伝達される構成となっている。
　つまり、フレーム８の中空部は、ロア側軸１６の一端及び動力伝達軸１７の一端が収容される下油室４２ａとして構成される。 The lower shaft 16 penetrates the drive housing 7 a and extends downward toward the hollow portion of the frame 8. The power transmission shaft 17 of the lower unit 6 passes through a lower housing 6 a described later and extends upward toward the hollow portion of the frame 8. In the hollow portion of the frame 8, the lower side shaft 16 and the power transmission shaft 17 are spline-fitted via a sleeve 26, so that power is transmitted from the upper unit 5 to the lower unit 6.
That is, the hollow portion of the frame 8 is configured as a lower oil chamber 42 a in which one end of the lower shaft 16 and one end of the power transmission shaft 17 are accommodated.
　フレーム８は、フライホイールハウジング１１の後端面に延出されるフレームが設けられ、該フレームとフライホイールハウジング１１の後端面がボルト等の締結具によって固定される。また、フレーム８は、後方に向けて延出されるフレームが設けられ、該フレームは、エンジンベッド９にシールフランジ１０と防振ゴム２７とを介してボルト等の締結具によって固定される。
　以上のように、フレーム８は、エンジン２とエンジンベッド９とに固定される。
　フレーム８は、その上部において、ドライブハウジング７ａの底部を嵌合してボルト等の締結具によって固定することで、ドライブユニット７を支持している。 The frame 8 is provided with a frame that extends to the rear end surface of the flywheel housing 11, and the frame and the rear end surface of the flywheel housing 11 are fixed by a fastener such as a bolt. The frame 8 is provided with a frame extending rearward, and the frame is fixed to the engine bed 9 with a fastener such as a bolt via a seal flange 10 and a vibration isolating rubber 27.
As described above, the frame 8 is fixed to the engine 2 and the engine bed 9.
The frame 8 supports the drive unit 7 by fitting the bottom of the drive housing 7a and fixing the frame 8 with a fastener such as a bolt at the top.
　シールフランジ１０は、環状に形成されるフランジ部材であり、船底の開口部４を中心としてエンジンベッド９に固定される。シールフランジ１０とフレーム８との間には、ガスケット等によって構成される環状シール部材２８ａ・２８ｂが設けられる。シールフランジ１０の内周縁部とフレーム８との間に、環状シール部材２８ａが設けられるとともに、シールフランジ１０の外周縁部とフレーム８との間に、環状シール部材２８ｂが設けられる。
　以上のように、開口部４を通じて船内に水が浸入しないように、シールフランジ１０とフレーム８との間に二重のシール構造を設けている。 The seal flange 10 is an annular flange member, and is fixed to the engine bed 9 with the opening 4 at the bottom of the ship as the center. Between the seal flange 10 and the frame 8, annular seal members 28a and 28b constituted by a gasket or the like are provided. An annular seal member 28 a is provided between the inner peripheral edge of the seal flange 10 and the frame 8, and an annular seal member 28 b is provided between the outer peripheral edge of the seal flange 10 and the frame 8.
As described above, a double seal structure is provided between the seal flange 10 and the frame 8 so that water does not enter the ship through the opening 4.
　図９に示すように、フライホイールハウジング１１には、その外部からオペレータによって動力伝達軸１３の摺動を可能にする作業窓３１が設けられる。
　作業窓３１は、開閉可能に構成される。作業窓３１は、フライホイールハウジング１１の外周面の両側部に開口部が設けられる。作業窓３１の開口部は、該開口部を覆う形状の蓋３１ａをボルト等の締結具によって塞ぐことができる構造としている。 As shown in FIG. 9, the flywheel housing 11 is provided with a work window 31 that allows the operator to slide the power transmission shaft 13 from the outside.
The work window 31 is configured to be openable and closable. The work window 31 is provided with openings on both sides of the outer peripheral surface of the flywheel housing 11. The opening portion of the working window 31 has a structure that can cover the lid 31a having a shape covering the opening portion with a fastener such as a bolt.
　以上の構成において、開口部を覆う蓋３１ａをフライホイールハウジング１１から取り外すことで、作業窓３１の開口部を介してオペレータは動力伝達軸１３を軸方向に直接摺動させることができる。 In the above configuration, the operator can slide the power transmission shaft 13 in the axial direction directly through the opening of the work window 31 by removing the lid 31a covering the opening from the flywheel housing 11.
　アッパーユニット５からドライブユニット７を取外す手順について説明する。
　図９に示すように、フライホイールハウジング１１の作業窓３１に設けられる蓋３１ａを取り外して、作業窓３１の開口部を介して動力伝達軸１３を前方（エンジン２側）に摺動させる。
　ドライブユニット７に設けられる電装品（アクチュエータ２０ａ等）に接続されるコード等を外した上で、ドライブユニット７とフレーム８とが固定されるボルト等の締結具を取り外すことで、ドライブユニット７は、フレーム８から取り外すことができる。 A procedure for removing the drive unit 7 from the upper unit 5 will be described.
As shown in FIG. 9, the lid 31 a provided on the work window 31 of the flywheel housing 11 is removed, and the power transmission shaft 13 is slid forward (engine 2 side) through the opening of the work window 31.
The drive unit 7 is attached to the frame 8 by removing a cord or the like connected to an electrical component (actuator 20a, etc.) provided in the drive unit 7 and then removing a fastener such as a bolt that fixes the drive unit 7 and the frame 8. Can be removed from.
　図１０に示すように、ドライブハウジング７ａは、上下に分割可能な二つ割構造を有する。ドライブハウジング７ａの後部に設けられるボアプラグ２３を取り外した状態において、二つ割構造のケースを固定するボルト等の締結具を取り外すことで、ドライブハウジング７ａ内部の一組のベベルギア１５やユニットクラッチ２０等のメンテナンス作業を行うことができる。
　以上のように、アッパーユニット５には、エンジン２からの動力をロアユニット６に伝達する動力伝達機構を内包するドライブユニット７が設けられるとともに、セイルドライブ装置１がエンジン２と一体的に据え付けられた状態において、ドライブユニット７は、アッパーユニット５から取外し可能に構成されることで、ドライブユニット７のメンテナンス作業を容易に行うことができる。 As shown in FIG. 10, the drive housing 7a has a two-part structure that can be divided vertically. In a state where the bore plug 23 provided at the rear portion of the drive housing 7a is removed, a set of bevel gears 15, a unit clutch 20 and the like inside the drive housing 7a are removed by removing fasteners such as bolts for fixing the case with the split structure. Maintenance work can be performed.
As described above, the upper unit 5 is provided with the drive unit 7 including the power transmission mechanism for transmitting the power from the engine 2 to the lower unit 6, and the sail drive device 1 is installed integrally with the engine 2. In the state, the drive unit 7 is configured to be removable from the upper unit 5, so that the maintenance work of the drive unit 7 can be easily performed.
　図２及び図３に示すように、ドライブユニット７を構成するドライブハウジング７ａの外側面には、ユニットクラッチ２０を作動させるアクチュエータ２０ａと、動力伝達機構を構成するベベルギア１４ｂの回転速度を測定する回転測定手段として回転センサ３２と、が設けられる。
　アクチュエータ２０ａ及び回転センサ３２がアッパーハウジング５ａの外側面に設けられることで、アクチュエータ２０ａ及び回転センサ３２をドライブハウジング７ａに取り付けた状態で、フレーム８にドライブユニット７を取付けたり、取り外したりすることができ、組付け性が向上される。
　また、フレーム８の外側面には、エンジン２の冷却水を取り込む取入口３３等が設けられる。 As shown in FIGS. 2 and 3, on the outer surface of the drive housing 7a constituting the drive unit 7, the rotation measurement for measuring the rotational speed of the actuator 20a for operating the unit clutch 20 and the bevel gear 14b constituting the power transmission mechanism. A rotation sensor 32 is provided as a means.
Since the actuator 20a and the rotation sensor 32 are provided on the outer surface of the upper housing 5a, the drive unit 7 can be attached to or detached from the frame 8 with the actuator 20a and the rotation sensor 32 attached to the drive housing 7a. Assembling property is improved.
Further, on the outer surface of the frame 8, an intake 33 for taking in the cooling water of the engine 2 is provided.
　図８に示すように、動力伝達軸１３の一端は、前記フライホイールハウジング１１内に収容されるダンパ１２に軸方向に摺動可能に支持されるとともに、動力伝達軸１３の他端は、アッパーユニット５に設けられるエンジン側軸１４とスプライン嵌合される
　つまり、エンジン２からアッパーユニット５内に動力を伝達する軸は動力伝達軸１３とエンジン側軸１４とに分割して設けられるとともに、動力伝達軸１３はスプラインによって支持されている。
　以上の構成において、動力伝達軸１３はプロペラ３がロックしたとき等に発生する衝撃を吸収するヒューズ機能を有している。動力伝達軸１３は、フライホイールハウジング１１のダンパ１２とドライブハウジング７ａに配置されるエンジン側軸１４とにそれぞれスプライン嵌合されるため、動力伝達軸１３が破損したとしてもエンジン２やドライブユニット７を分解する必要がなく、容易に動力伝達軸１３を交換することができ、メンテナンス性が向上される。 As shown in FIG. 8, one end of the power transmission shaft 13 is supported by the damper 12 accommodated in the flywheel housing 11 so as to be slidable in the axial direction, and the other end of the power transmission shaft 13 is The engine-side shaft 14 provided in the unit 5 is spline-fitted. That is, the shaft for transmitting power from the engine 2 into the upper unit 5 is divided into the power transmission shaft 13 and the engine-side shaft 14 and is provided with power. The transmission shaft 13 is supported by a spline.
In the above configuration, the power transmission shaft 13 has a fuse function for absorbing an impact generated when the propeller 3 is locked. Since the power transmission shaft 13 is spline-fitted to the damper 12 of the flywheel housing 11 and the engine side shaft 14 disposed in the drive housing 7a, the engine 2 and the drive unit 7 can be connected even if the power transmission shaft 13 is damaged. There is no need to disassemble the power transmission shaft 13 and the maintenance can be improved.
　図５に示すように、セイルドライブ装置１内には、エンジン２からの動力をプロペラ３に伝達する動力伝達機構を収容する油室が設けられる。油室は、開口部４よりも上側に設けられる隔壁（本実施形態では、ドライブハウジング７ａの底面）によって上油室４１と下油室４２ａ・４２ｂとに分割される。
　上述の通り、隔壁（ドライブハウジング７ａの底面）にはロア側軸１６が貫通して設けられており、上油室４１に収容される動力伝達機構と下油室４２ａ・４２ｂに収容される動力伝達機構とを連結している。
　図７に示すように、ドライブハウジング７ａ内には、エンジン２からロアユニット６に動力を伝達する動力伝達機構として設けられるエンジン側軸１４、一組のベベルギア１５、ロア側軸１６、ユニットクラッチ２０等を収容する上油室４１が形成され、該上油室４１は潤滑油によって満たされている。
　また、ドライブハウジング７ａにおけるエンジン側軸１２の貫設部及びドライブハウジング７ａにおけるロア側軸１６の貫設部には、それぞれシール部材（オイルシール２２・２４）が設けられることで、ドライブハウジング７ａの外部へ潤滑油が漏れることを防止することができる。
　また、ドライブハウジング７ａにおけるロア側軸１６の貫設部にはシール部材（オイルシール２４）が設けられることで、ドライブハウジング７ａにおけるロア側軸１６の貫設部を密封している。 As shown in FIG. 5, the sail drive device 1 is provided with an oil chamber that houses a power transmission mechanism that transmits power from the engine 2 to the propeller 3. The oil chamber is divided into an upper oil chamber 41 and lower oil chambers 42 a and 42 b by a partition wall (in the present embodiment, the bottom surface of the drive housing 7 a) provided above the opening 4.
As described above, the lower shaft 16 is provided through the partition wall (the bottom surface of the drive housing 7a), and the power transmission mechanism accommodated in the upper oil chamber 41 and the power accommodated in the lower oil chambers 42a and 42b. The transmission mechanism is connected.
As shown in FIG. 7, in the drive housing 7a, an engine side shaft 14 provided as a power transmission mechanism for transmitting power from the engine 2 to the lower unit 6, a pair of bevel gears 15, a lower side shaft 16, and a unit clutch 20 are provided. Are formed, and the upper oil chamber 41 is filled with lubricating oil.
In addition, seal members (oil seals 22 and 24) are respectively provided in the penetrating portion of the engine-side shaft 12 in the drive housing 7a and the penetrating portion of the lower-side shaft 16 in the drive housing 7a. It is possible to prevent the lubricating oil from leaking to the outside.
In addition, a seal member (oil seal 24) is provided at a through portion of the lower housing 16 in the drive housing 7a, thereby sealing the through portion of the lower shaft 16 in the drive housing 7a.
　図７及び図１１を用いて、ロアユニット６について説明する。
　ロアユニット６は、主に、ロア側軸１６と連結される動力伝達軸１７と、動力伝達軸１７の一端に設けられるベベルギア１８ａと、該ベベルギア１８ａと噛み合うベベルギア１８ｂと、該ベベルギア１８ｂが設けられるプロペラ軸１９と、それらを収容するロアハウジング６ａと、によって構成される。 The lower unit 6 will be described with reference to FIGS. 7 and 11.
The lower unit 6 is mainly provided with a power transmission shaft 17 coupled to the lower shaft 16, a bevel gear 18a provided at one end of the power transmission shaft 17, a bevel gear 18b meshing with the bevel gear 18a, and the bevel gear 18b. It is comprised by the propeller shaft 19 and the lower housing 6a which accommodates them.
　ロアユニット６は、船底の開口部４から下方に向けて延出するように設けられる。
　ロアユニット６は、その上端部には介装部材５１を備える。介装部材５１は、フレーム８とロアユニット６との後述する冷却水路等を接続する連絡路として構成され、その外形は略円盤状に形成される。
　ロアユニット６の上部は、フレーム８の下部とボルト等の締結具によって固定される。 The lower unit 6 is provided so as to extend downward from the opening 4 at the bottom of the ship.
The lower unit 6 includes an interposed member 51 at the upper end thereof. The interposed member 51 is configured as a communication path that connects a cooling water path and the like described later between the frame 8 and the lower unit 6, and the outer shape thereof is formed in a substantially disk shape.
The upper part of the lower unit 6 is fixed to the lower part of the frame 8 by fasteners such as bolts.
　ロアユニット６のロアハウジング６ａ内には、動力伝達軸１７が上下方向を長手方向として配置される。動力伝達軸１７は、その上端がロアハウジング６ａの上端を貫通して設けられる。ロアハウジング６ａにおける動力伝達軸１７の貫通部には、外側端部から内側に向けて軸受部材としてベアリング５２・５２が並べて配置される。 In the lower housing 6a of the lower unit 6, a power transmission shaft 17 is arranged with the vertical direction as the longitudinal direction. The upper end of the power transmission shaft 17 is provided through the upper end of the lower housing 6a. Bearings 52 and 52 are arranged side by side as bearing members in the lower housing 6a through the power transmission shaft 17 from the outer end toward the inner side.
　動力伝達軸１７の動力伝達経路下流側端部には、ベベルギア１８ａが設けられる。ベベルギア１８ａは、動力伝達軸１７にスプライン嵌合される。ベベルギア１８ａは、ギア形成部の背面側に動力伝達軸１７に沿って延出される延出部を有する。該延出部には、軸受部材としてベアリング５３・５３が順に並べて配置される。 A bevel gear 18 a is provided at the downstream end of the power transmission path of the power transmission shaft 17. The bevel gear 18 a is spline fitted to the power transmission shaft 17. The bevel gear 18a has an extending portion that extends along the power transmission shaft 17 on the back side of the gear forming portion. In the extended portion, bearings 53 and 53 are sequentially arranged as bearing members.
　ベベルギア１８ｂは、ベベルギア１８ａと噛み合うように設けられる。ベベルギア１８ｂは、プロペラ軸１９に設けられる。
　プロペラ軸１９は、前後方向を長手方向として配置され、ロアハウジング６ａの下部後面に取り付けられる後述の蓋５７を貫通して設けられる。ロアハウジング６ａ内のプロペラ軸１９の端部には、軸受部材としてベアリング５４が設けられ、プロペラ軸１９の中途部には、ベベルギア１８ｂがスプライン嵌合される。
　ベベルギア１８ｂは、ギア形成部の背面側にプロペラ軸１９に沿って延出される延出部を有する。該延出部の後方には軸受部材としてベアリング５５が設けられる。
　蓋５７におけるプロペラ軸１９の貫通部において、プロペラ軸１９と蓋５７を構成する内壁との間に、シール部材としてオイルシール５６・５６が並べて配置される。
　オイルシール５６・５６が設けられることで、外部からロアハウジング６ａ内への異物の混入を防いだり、ロアハウジング６ａ内の潤滑油が外部に漏れることを防いだりすることができる。 The bevel gear 18b is provided so as to mesh with the bevel gear 18a. The bevel gear 18 b is provided on the propeller shaft 19.
The propeller shaft 19 is arranged with the front-rear direction as a longitudinal direction, and is provided through a lid 57 described later attached to the lower rear surface of the lower housing 6a. A bearing 54 is provided as a bearing member at the end of the propeller shaft 19 in the lower housing 6a, and a bevel gear 18b is spline-fitted to the middle portion of the propeller shaft 19.
The bevel gear 18b has an extending portion that extends along the propeller shaft 19 on the back side of the gear forming portion. A bearing 55 is provided as a bearing member behind the extended portion.
In the penetrating portion of the propeller shaft 19 in the lid 57, oil seals 56 and 56 are arranged side by side as a seal member between the propeller shaft 19 and the inner wall constituting the lid 57.
By providing the oil seals 56, 56, foreign matter can be prevented from entering the lower housing 6a from the outside, and the lubricating oil in the lower housing 6a can be prevented from leaking to the outside.
　ロアハウジング６ａの下部後面には、該ベベルギア１８ａ・１８ｂを収容するための開口部が設けられる。該開口部を塞ぐ蓋５７がボルト等の締結具によって固定される。 The lower rear surface of the lower housing 6a is provided with an opening for accommodating the bevel gears 18a and 18b. A lid 57 that closes the opening is fixed by a fastener such as a bolt.
　蓋５７には、該蓋５７を外側から覆うように犠牲陽極５８が設けられる。犠牲陽極５８は、ボルト等の締結具によって蓋５７及びロアハウジング６ａに固定される。 The lid 57 is provided with a sacrificial anode 58 so as to cover the lid 57 from the outside. The sacrificial anode 58 is fixed to the lid 57 and the lower housing 6a by a fastener such as a bolt.
　図５及び図７に示すように、ロアハウジング６ａ内には、動力伝達軸１７、ベベルギア１８ａ・１８ｂ、プロペラ軸１９等の動力伝達機構を収容する下油室４２ｂが形成され、該下油室４２ｂは潤滑油によって満たされている。ロアハウジング６ａ内の下油室４２ｂは、介装部材５１を介してフレーム８の中空部における下油室４２ａと連通している。 As shown in FIGS. 5 and 7, a lower oil chamber 42b for accommodating a power transmission mechanism such as the power transmission shaft 17, the bevel gears 18a and 18b, the propeller shaft 19 and the like is formed in the lower housing 6a. 42b is filled with lubricating oil. The lower oil chamber 42 b in the lower housing 6 a communicates with the lower oil chamber 42 a in the hollow portion of the frame 8 via the interposition member 51.
　以上のように、セイルドライブ装置１内の油室は、隔壁（本実施形態では、ドライブハウジング７ａの底面）によって上油室４１と下油室４２ａ・４２ｂとに分割されることで、流体抵抗を加味した構成となる下油室４２ａ・４２ｂ内に設けられる動力伝達機構と比べて、上油室４１内に設けられる動力伝達機構は、その構成を大きく変更することができる。 As described above, the oil chamber in the sail drive device 1 is divided into the upper oil chamber 41 and the lower oil chambers 42 a and 42 b by the partition wall (in this embodiment, the bottom surface of the drive housing 7 a), so that the fluid resistance Compared to the power transmission mechanism provided in the lower oil chambers 42a and 42b, the configuration of the power transmission mechanism provided in the upper oil chamber 41 can be greatly changed.
　例えば、ユニットクラッチ２０に適した潤滑油によって上油室４１内を満たす構成とすることができる。
　ユニットクラッチ２０は、湿式多板クラッチによって構成されるため、摩擦性能を損なわない潤滑油を使用することで、ユニットクラッチ２０の機能性及び耐久性を向上することができる。 For example, the upper oil chamber 41 can be filled with lubricating oil suitable for the unit clutch 20.
Since the unit clutch 20 is composed of a wet multi-plate clutch, the functionality and durability of the unit clutch 20 can be improved by using a lubricating oil that does not impair the friction performance.
　上油室４１内の一組のベベルギア１５は、ユニットクラッチ２０に適した上記の潤滑油を使用する場合であっても、その形状を大きくすることで歯の強度を高めることができるため、耐久性の低下を防ぐことができる。
　上油室４１内に設けられる動力伝達機構及びドライブハウジング７ａの形状は、船外に設けられるロアハウジング６ａの形状と比べて、流体抵抗を加味しないため、容易に変更することができる。 Even if the set of bevel gears 15 in the upper oil chamber 41 uses the above-mentioned lubricating oil suitable for the unit clutch 20, the shape of the lubricant can be increased to increase the strength of the teeth. It can prevent a decline in sex.
The shape of the power transmission mechanism and the drive housing 7a provided in the upper oil chamber 41 does not take fluid resistance into consideration and can be easily changed as compared with the shape of the lower housing 6a provided outside the ship.
　以上のように、ユニットクラッチ２０に適した潤滑油を用いて、上油室４１内に設けられる動力伝達機構の構成を変更することで、上油室４１内に設けられる動力伝達機構（ユニットクラッチ２０等）の耐久性を向上することができる。上油室４１内の動力伝達機構の耐久性の向上によって、メンテナンス作業の頻度及び時間を低減することができ、メンテナンス性を向上することができる。 As described above, the power transmission mechanism (unit clutch) provided in the upper oil chamber 41 is changed by changing the configuration of the power transmission mechanism provided in the upper oil chamber 41 using the lubricant suitable for the unit clutch 20. 20 etc.) can be improved. By improving the durability of the power transmission mechanism in the upper oil chamber 41, the frequency and time of maintenance work can be reduced, and the maintainability can be improved.
　図５を用いて、セイルドライブ装置１の冷却水路について説明する。
　ロアユニット６のロアハウジング６ａの内側壁６１ａと外側壁６１ｂとの間には、エンジン２を冷却する水の冷却水路６２ａ・６２ｂが設けられる。
　冷却水路６２ａは、ロアハウジング６ａの前部側に設けられるとともに、上下方向を長手方向として設けられる。冷却水路６２ａは、ロアハウジング６ａの底部を貫通して設けられる。冷却水路６２ａには、該貫通部からエンジン２の冷却に使用される水が取り入れられる。
　冷却水路６２ｂは、ロアハウジング６ａの後部側に設けられるとともに、上下方向を長手方向として設けられる。冷却水路６２ｂは、ロアハウジング６ａの外側壁と水路６１ｂとを連通する連通孔６３が三つ設けられる。冷却水路６２ｂには、該連通孔６３からエンジン２の冷却に使用される水が取り入れられる。 The cooling water channel of the sail drive device 1 will be described with reference to FIG.
Cooling water channels 62 a and 62 b for cooling the engine 2 are provided between the inner wall 61 a and the outer wall 61 b of the lower housing 6 a of the lower unit 6.
The cooling water channel 62a is provided on the front side of the lower housing 6a, and is provided with the vertical direction as the longitudinal direction. The cooling water passage 62a is provided through the bottom of the lower housing 6a. Water used for cooling the engine 2 is taken into the cooling water passage 62a from the through portion.
The cooling water passage 62b is provided on the rear side of the lower housing 6a, and is provided with the vertical direction as the longitudinal direction. The cooling water channel 62b is provided with three communication holes 63 that allow the outer wall of the lower housing 6a to communicate with the water channel 61b. Water used for cooling the engine 2 is taken into the cooling water passage 62b from the communication hole 63.
　アッパーユニット５のフレーム８の内側壁８ａ（図７参照）と外側壁８ｂ（図７参照）との間には、冷却水路６２ｃが設けられる。冷却水路６２ｃは、フレーム８の外側壁８ｂに設けられる取入口３３を介して外部と連通するように形成される。該取入口３３を通じて冷却水はエンジン２に導かれる。冷却水路６２ｃは、介装部材５１を介してロアハウジング６ａの冷却水路６２ａ・６２ｂと連通されている。 Between the inner wall 8a (see FIG. 7) and the outer wall 8b (see FIG. 7) of the frame 8 of the upper unit 5, a cooling water channel 62c is provided. The cooling water channel 62 c is formed so as to communicate with the outside via an intake port 33 provided in the outer wall 8 b of the frame 8. The cooling water is guided to the engine 2 through the intake port 33. The cooling water channel 62c communicates with the cooling water channels 62a and 62b of the lower housing 6a via the interposing member 51.
　図７に示すように、上油室４１には、アッパーユニット５を構成するドライブユニット７の外部と連通する呼吸孔７１が設けられる。
　具体的には、ドライブハウジング７ａの上面には、上油室４１と連通する呼吸孔７１が設けられる。
　セイルドライブ装置１内の油室を、上油室４１と下油室４２ａ・４２ｂとに分割することで、たとえ下油室４２ｂに破孔が生じたとしても、侵入する水は下油室４２ａ・４２ｂ内にとどまり、上油室４１に水が浸入することを防ぐことができる。つまり、船内に水が浸入することを防ぐことができる。
　以上の構成において、上油室４１に、上油室４１と船体内部とを連通する呼吸孔７１が設けられることで、上油室４１内の圧力上昇や低下を抑制することができ、オイルシール２２・２５の損耗を防ぐことができる。 As shown in FIG. 7, the upper oil chamber 41 is provided with a breathing hole 71 communicating with the outside of the drive unit 7 constituting the upper unit 5.
Specifically, a breathing hole 71 communicating with the upper oil chamber 41 is provided on the upper surface of the drive housing 7a.
By dividing the oil chamber in the sail drive device 1 into the upper oil chamber 41 and the lower oil chambers 42a and 42b, even if a hole is formed in the lower oil chamber 42b, the water that enters the lower oil chamber 42a -It can stay in 42b and can prevent that water permeates into the upper oil chamber 41. That is, water can be prevented from entering the ship.
In the above configuration, the upper oil chamber 41 is provided with the breathing hole 71 that allows the upper oil chamber 41 to communicate with the inside of the hull, so that an increase or decrease in pressure in the upper oil chamber 41 can be suppressed. Wear of 22 and 25 can be prevented.
　図５に示すように、下油室４２ｂには、オイル管８１を介してオイルタンク８２が接続される。オイルタンク８２には、その外部からオイルタンク８２内への空気の流入を許容する逆止弁８３が設けられる。
　以上の構成において、たとえ下油室４２ａ・４２ｂに破孔が生じても、逆止弁８３によって水がロアハウジング６ａ内に侵入することを防ぐことができる。また、オイルタンク８３に空気の流入を許容することで、下油室４２ａ・４２ｂ内の圧力が負圧になることを防止し、プロペラ軸１９のオイルシール５６から水等の異物の侵入を防ぐことができる。 As shown in FIG. 5, an oil tank 82 is connected to the lower oil chamber 42 b via an oil pipe 81. The oil tank 82 is provided with a check valve 83 that allows air to flow into the oil tank 82 from the outside.
In the above configuration, even if a hole is formed in the lower oil chambers 42a and 42b, the check valve 83 can prevent water from entering the lower housing 6a. In addition, by allowing air to flow into the oil tank 83, the pressure in the lower oil chambers 42a and 42b is prevented from becoming negative, and foreign matter such as water is prevented from entering from the oil seal 56 of the propeller shaft 19. be able to.
　本発明は、セイルドライブ装置に利用可能である。 The present invention can be used for a sail drive device.
　１：セイルドライブ装置、２：エンジン、３：プロペラ、４：開口部、５：アッパーユニット、６：ロアユニット、６ａ：ロアハウジング、７：ドライブユニット、７ａ：ドライブハウジング、８：フレーム、９：エンジンベッド、１０：シールフランジ、１１：フライホイールハウジング、１２：ダンパ、１３：動力伝達軸、１４：エンジン側軸、１５：一組のベベルギア、１６：ロア側軸、１７：動力伝達軸、１８ａ・１８ｂ：ベベルギア、１９：プロペラ軸、２０：ユニットクラッチ、２０ａ：アクチュエータ、２２：オイルシール、２５：オイルシール、３１：作業窓、３２：回転センサ、３３：取入口、４１：上油室、４２ａ・４２ｂ：下油室、５６：オイルシール、７１：呼吸孔、８２：オイルタンク、８３：逆止弁 1: sail drive device, 2: engine, 3: propeller, 4: opening, 5: upper unit, 6: lower unit, 6a: lower housing, 7: drive unit, 7a: drive housing, 8: frame, 9: engine Bed: 10: Seal flange, 11: Flywheel housing, 12: Damper, 13: Power transmission shaft, 14: Engine side shaft, 15: One set of bevel gear, 16: Lower side shaft, 17: Power transmission shaft, 18a 18b: Bevel gear, 19: Propeller shaft, 20: Unit clutch, 20a: Actuator, 22: Oil seal, 25: Oil seal, 31: Work window, 32: Rotation sensor, 33: Inlet, 41: Upper oil chamber, 42a 42b: Lower oil chamber, 56: Oil seal, 71: Breathing hole, 82: Oil tank, 83: Check valve

Claims (9)

  1. 　エンジンと連結され、船内に位置するアッパーユニットと、船底に設けられる開口部を通じて前記アッパーユニットから下方に向けて延出されるロアユニットと、を備えるセイルドライブ装置であって、
    　前記アッパーユニットには、前記エンジンからの動力を前記ロアユニットに伝達する動力伝達機構を内包するドライブユニットが設けられるとともに、
    　前記セイルドライブ装置が前記エンジンと一体的に据え付けられた状態において、前記ドライブユニットは、前記アッパーユニットから取外し可能に構成されることを特徴とするセイルドライブ装置。     A sail drive device comprising an upper unit connected to an engine and located in a ship, and a lower unit extending downward from the upper unit through an opening provided in a ship bottom,
    The upper unit is provided with a drive unit that includes a power transmission mechanism that transmits power from the engine to the lower unit.
    In the state where the sail drive device is installed integrally with the engine, the drive unit is configured to be removable from the upper unit.
  2. 　前記ドライブユニットは、前記エンジンの動力が伝達される動力伝達軸と連結されるエンジン側軸と、前記ロアユニットの動力伝達軸と連結されるロア側軸と、前記エンジン側軸から前記ロア側軸に動力を伝達する一組のベベルギアと、前記エンジン側軸と前記ロア側軸と前記一組のベベルギアとを収容するドライブハウジングと、を備え、
    　前記エンジン側軸及び前記ロア側軸は、前記ドライブハウジングにそれぞれ貫設されるとともに、
    　前記ドライブハウジングにおける前記エンジン側軸及び前記ロア側軸の貫設部には、それぞれシール部材が設けられる請求項１に記載のセイルドライブ装置。     The drive unit includes an engine side shaft connected to a power transmission shaft to which power of the engine is transmitted, a lower side shaft connected to a power transmission shaft of the lower unit, and the engine side shaft to the lower side shaft. A set of bevel gears that transmit power; and a drive housing that houses the engine side shaft, the lower side shaft, and the set of bevel gears;
    The engine side shaft and the lower side shaft are respectively provided through the drive housing,
    2. The sail drive device according to claim 1, wherein seal members are respectively provided in penetrating portions of the engine side shaft and the lower side shaft in the drive housing.
  3. 　前記ドライブユニットは、前記エンジンの動力が伝達される動力伝達軸と連結されるエンジン側軸と、前記ロアユニットの動力伝達軸と連結されるロア側軸と、前記エンジン側軸から前記ロア側軸に動力を伝達する一組のベベルギアと、前記エンジン側軸と前記ロア側軸と前記一組のベベルギアとを収容するドライブハウジングと、を備え、
    　前記エンジン側軸又は前記ロア側軸には、前記エンジンからの動力を断接するユニットクラッチが設けられるとともに、
    　前記ドライブハウジングには、前記ユニットクラッチを作動させるアクチュエータと、前記動力伝達機構の回転速度を計測する回転計測手段と、が設けられる請求項１に記載のセイルドライブ装置。     The drive unit includes an engine side shaft connected to a power transmission shaft to which power of the engine is transmitted, a lower side shaft connected to a power transmission shaft of the lower unit, and the engine side shaft to the lower side shaft. A set of bevel gears that transmit power; and a drive housing that houses the engine side shaft, the lower side shaft, and the set of bevel gears;
    The engine side shaft or the lower side shaft is provided with a unit clutch for connecting and disconnecting power from the engine,
    The sail drive device according to claim 1, wherein the drive housing is provided with an actuator that operates the unit clutch, and a rotation measuring unit that measures a rotation speed of the power transmission mechanism.
  4. 　エンジンと連結され、船内に位置するアッパーユニットと、船底に設けられる開口部を通じて前記アッパーユニットから下方に向けて延出されるロアユニットと、を備えるセイルドライブ装置であって、
    　前記アッパーユニットには、前記エンジンからの動力を前記ロアユニットに伝達する動力伝達機構を内包するドライブユニットが設けられ、前記セイルドライブ装置が前記エンジンと一体的に据え付けられた状態において、前記ドライブユニットは、前記アッパーユニットから取外し可能に構成されるとともに、
    　前記ドライブユニットには、前記エンジンの動力が伝達される動力伝達軸が連結されるとともに、前記動力伝達軸は、軸方向に摺動可能に構成されることを特徴とするセイルドライブ装置。     A sail drive device comprising an upper unit connected to an engine and located in a ship, and a lower unit extending downward from the upper unit through an opening provided in a ship bottom,
    The upper unit is provided with a drive unit that includes a power transmission mechanism that transmits power from the engine to the lower unit, and in the state where the sail drive device is installed integrally with the engine, the drive unit includes: While being configured to be removable from the upper unit,
    The drive unit is connected to a power transmission shaft to which power of the engine is transmitted, and the power transmission shaft is configured to be slidable in an axial direction.
  5. 　前記アッパーユニットには、前記エンジンと連結されるフライホイールハウジングが設けられるとともに、前記フライホイールハウジングには、外部からオペレータによって前記動力伝達軸の摺動を可能にする作業窓が設けられる請求項４に記載のセイルドライブ装置。 5. The flywheel housing connected to the engine is provided in the upper unit, and the flywheel housing is provided with a work window that allows an operator to slide the power transmission shaft from the outside. The sail drive device described in 1.
  6. 　前記動力伝達軸の一端は、前記フライホイールハウジング内に収容されるダンパに前記軸方向に摺動可能に支持されるとともに、前記動力伝達軸の他端は、前記ドライブユニットに設けられるエンジン側軸とスプライン嵌合される請求項５に記載のセイルドライブ装置。 One end of the power transmission shaft is slidably supported in the axial direction by a damper housed in the flywheel housing, and the other end of the power transmission shaft is an engine side shaft provided in the drive unit. The sail drive device according to claim 5, which is spline-fitted.
  7. 　エンジンと連結され、船底に設けられる開口部を通じて下方に延出されるセイルドライブ装置であって、
    　前記セイルドライブ装置内には、動力伝達機構を収容する油室が形成され、
    　前記油室は、前記開口部よりも上側に設けられる隔壁によって上油室と下油室とに分割されることを特徴とするセイルドライブ装置。     A sail drive device connected to the engine and extending downward through an opening provided in the ship bottom,
    In the sail drive device, an oil chamber for accommodating a power transmission mechanism is formed,
    The said oil chamber is divided | segmented into the upper oil chamber and the lower oil chamber by the partition provided above the said opening part, The sail drive apparatus characterized by the above-mentioned.
  8. 　前記上油室には、外部と連通する呼吸孔が設けられる請求項７に記載のセイルドライブ装置。 The sail drive device according to claim 7, wherein the upper oil chamber is provided with a breathing hole communicating with the outside.
  9. 　前記下油室には、オイルタンクが接続されるとともに、前記オイルタンクには、外部から前記オイルタンク内への空気の流入を許容する逆止弁が設けられる請求項７又は８に記載のセイルドライブ装置。 The sail according to claim 7 or 8, wherein an oil tank is connected to the lower oil chamber, and a check valve is provided in the oil tank to allow air to flow into the oil tank from the outside. Drive device.
PCT/JP2015/060053 2015-03-31 2015-03-31 Saildrive apparatus WO2016157398A1 (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243065A (en) * 1975-10-03 1977-04-04 Hitachi Ltd Motor in wheel
JPS54113189A (en) * 1978-02-10 1979-09-04 Hurth Verwaltungs Gmbh Driving gear of ship
JPS58180397A (en) * 1982-02-03 1983-10-21 アクチエボラゲツト・ボルボ・ペンタ Outboard and inboard machine
JPS58180399A (en) * 1982-02-03 1983-10-21 アクチエボラゲツト・ボルボ・ペンタ Outboard and inboard machine and its mounting
JPS61236906A (en) * 1985-04-12 1986-10-22 Toyoda Autom Loom Works Ltd Cooling apparatus for controller of battery forklift
JPH01145426A (en) * 1987-11-30 1989-06-07 Sanshin Ind Co Ltd Coupling for inboard and outboard engine
US4904214A (en) * 1989-03-13 1990-02-27 Brunswick Corporation Marine stern drive with lubricated and sealed output coupler
JPH11291987A (en) * 1998-04-10 1999-10-26 Yanmar Diesel Engine Co Ltd Drive device for inboard and outboard motor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243065A (en) * 1975-10-03 1977-04-04 Hitachi Ltd Motor in wheel
JPS54113189A (en) * 1978-02-10 1979-09-04 Hurth Verwaltungs Gmbh Driving gear of ship
JPS58180397A (en) * 1982-02-03 1983-10-21 アクチエボラゲツト・ボルボ・ペンタ Outboard and inboard machine
JPS58180399A (en) * 1982-02-03 1983-10-21 アクチエボラゲツト・ボルボ・ペンタ Outboard and inboard machine and its mounting
JPS61236906A (en) * 1985-04-12 1986-10-22 Toyoda Autom Loom Works Ltd Cooling apparatus for controller of battery forklift
JPH01145426A (en) * 1987-11-30 1989-06-07 Sanshin Ind Co Ltd Coupling for inboard and outboard engine
US4904214A (en) * 1989-03-13 1990-02-27 Brunswick Corporation Marine stern drive with lubricated and sealed output coupler
JPH11291987A (en) * 1998-04-10 1999-10-26 Yanmar Diesel Engine Co Ltd Drive device for inboard and outboard motor

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