NL2011673C2 - Drive system for a trailing dredger. - Google Patents
Drive system for a trailing dredger. Download PDFInfo
- Publication number
- NL2011673C2 NL2011673C2 NL2011673A NL2011673A NL2011673C2 NL 2011673 C2 NL2011673 C2 NL 2011673C2 NL 2011673 A NL2011673 A NL 2011673A NL 2011673 A NL2011673 A NL 2011673A NL 2011673 C2 NL2011673 C2 NL 2011673C2
- Authority
- NL
- Netherlands
- Prior art keywords
- engine
- ship
- coupled
- dredger according
- dredger
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000009977 dual effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/06—Floating substructures as supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J3/00—Driving of auxiliaries
- B63J3/02—Driving of auxiliaries from propulsion power plant
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/04—Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/202—Mechanical transmission, e.g. clutches, gears
-
- 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
- B63H23/06—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Of Transmissions (AREA)
Description
Drive system for a trailing dredger Background
The present invention relates to a manoeuvrable dredging vessel, comprising - cargo space for containing dredged material, - a dredge suction system comprising a dredge pump for transporting dredged material towards the cargo space, - a vessel propulsion member for manoeuvring the vessel, - a drive system comprising an engine having a central longitudinal axis and a transmission device coupled with the engine, wherein the transmission device is coupled with both the vessel propulsion member and the dredge pump,
The present invention in particular relates to a trailing dredger. Such a dredger simultaneously is driven and powers its dredge pump. CN202863752 U discloses a suction dredger power device. Both an adjustable pitch propeller and a dredge pump is coupled with an engine. The adjustable pitch propeller and the dredge pump is coupled with the engine each through a separate respective gear box. These two respective gear boxes are arranged at opposite sides of the engine. This arrangement of the drive system is disadvantageous for the required installation length of the drive system.
Summary of the invention
The invention aims to provide a dredging vessel, in particular a Trailing Suction Hopper Dredger, which can be more efficient during operation. In particular the efficient operation involves a reduction of weight of the vessel as much as possible.
Another object of the invention is to improve a dredging vessel in that a problem associated therewith is at least partly solved.
Yet another object of the invention is to provide an alternative dredging vessel.
According to a first aspect of the invention this is realized with a manoeuvrable dredging vessel comprising; - a cargo space for containing dredged material, - a dredge suction system comprising a dredge pump for transporting dredged material towards the cargo space, - a vessel propulsion member for manoeuvring the vessel, - a drive system comprising an engine having a central longitudinal axis and a transmission device coupled with the engine, wherein the transmission device is coupled with both the vessel propulsion member and the dredge pump, wherein the transmission device comprises just one single input - dual output gearbox for transmitting power to the vessel propulsion member and the dredge pump.
The transmission device comprising just one single input - dual output gearbox enables reduce the length of the drive system along the central longitudinal axis of the engine which results in a reduced installation length. This allows increase of the cargo space. The reduced installation length results in relative short aft ship and thus a relative long cargo space. The relative long cargo space makes it possible to distribute the weight of the hopper load over a longer part of the vessels construction. This results into lower stresses in the construction of the vessel and therefore the steel weight can be reduced significantly.
The transmission device refers the device required for transmitting power to users like a propeller and a dredge pump. In connection with the prior art, the transmission device may comprise a number of separate individual gear boxes. A dredge pump here refers to the main dredge pump which typically may have a power rating of between 750 to 1500, in particular 1000 to 1200 kW.
In an embodiment of the manoeuvrable dredging vessel, the just one single input -dual output gearbox comprises an output facing the engine. This output enables to couple a shaft to the gearbox which shaft runs alongside the engine. This shaft running or also extending parallel to the engine even more enable to reduce installation length of the drive system.
In an embodiment of the manoeuvrable dredging vessel, a driving shaft coupled with the vessel propulsion member extends alongside the engine.
In an embodiment of the manoeuvrable dredging vessel, a driving shaft coupled with the dredge pump extends alongside the engine.
In an embodiment of the manoeuvrable dredging vessel, the just one dual output gear box is arranged at the aft side of the engine. This enables to arrange the engine as close as possible to the afore side of the vessel where installation is in general more easy.
In an embodiment of the manoeuvrable dredging vessel, the just one dual output gear box is arranged at the afore side of the engine.
In an embodiment of the manoeuvrable dredging vessel, the engine has one single outgoing drive shaft coupled with the transmission.
In an embodiment of the manoeuvrable dredging vessel, the propulsion member is a controllable pitch propeller.
In an embodiment of the manoeuvrable dredging vessel, the engine is arranged more close to the central longitudinal axis of the vessel than the driving shaft coupled with the vessel propulsion member. The engine being arranged more close to the central longitudinal axis of the vessel is enabled by the just one single input - dual output gearbox comprising an output facing the engine.
In an embodiment of the manoeuvrable dredging vessel, seen in cross section, the engine is arranged higher than the driving shaft coupled with the vessel propulsion member.
In an embodiment of the manoeuvrable dredging vessel, seen in cross section, the engine is arranged above, preferably entirely above, the driving shaft coupled with the vessel propulsion member.
In an embodiment of the manoeuvrable dredging vessel the cargo space extends along between 50% to 75%, preferably between 55% to 65% of the length of the vessel.
The invention further relates to a device comprising one or more of the characterising features described in the description and/or shown in the attached drawings.
The invention further relates to a method comprising one or more of the characterising features described in the description and/or shown in the attached drawings.
The various aspects discussed in this patent can be combined in order to provide additional advantageous advantages.
Description of the drawings
The invention will be further elucidated referring to the schematic drawings wherein shown in:
Fig. 1 a top view of a drive system according the prior art; fig. 2 a top view of a vessel having the drive system of fig. 1 installed therein; fig. 3 a top view of an embodiment of the drive system according to the invention; fig. 4 a top view of a vessel comprising the drive system of fig. 3 installed therein; fig. 5a top view of a vessel comprising two drive systems of fig. 3 installed therein; and fig. 6 a top view of a second embodiment of the drive system according to the invention.
Detailed description of embodiments
The invention will now be described in more detail referring to the drawings.
Fig 1 and 2 show a prior art drive system 1 and a vessel 16 equipped with such a drive system 1. Fig. 2 shows the manoeuvrable dredging vessel 16. The vessel 16 has a cargo space 9 for containing dredged material. The vessel 16 has a dredge suction system (not shown) comprising a dredge pump 6 for transporting dredged material towards the cargo space 9. The vessel 16 has a vessel propulsion member 8 for manoeuvring the vessel 16. Here, the propulsion member 8 is a controllable pitch propeller. The vessel 16 has a drive system 1 comprising an engine 2, typically an internal combustion diesel engine. The vessel has a central longitudinal axis 10. The engine 2 has a central longitudinal axis 5. The drive system 1 comprises a transmission device in the form of an aft side single input single output gearbox 3, and an afore side single input single output gearbox 4. Both the gearboxes 3, 4 are coupled with the engine. The aft side gearbox 3 is coupled with both the vessel propulsion member 8 and the engine 2. The afore side gearbox 4 is coupled with both the main dredge pump 6 and the engine 2. The aft side gearbox 3 is coupled with the vessel propulsion member 8 through a propulsion shaft 7. The aft side gearbox 3 is coupled with the engine 2 through an engine aft output shaft 11. The afore side gearbox 4 is coupled with the main dredge pump 6 through a pump drive shaft 13. The afore side gearbox 4 is coupled with the engine 2 through an engine afore output shaft 12. The propulsion shaft 7, engine aft output shaft 11, engine afore output shaft 12, and pump drive shaft 13 all run in extension of the engine 2 and on the central longitudinal axis 5 of the engine 2.
Fig. 3 shows a top view of an embodiment of the drive system 1 according to the invention. Only differences with fig. 1 and 2 will be described. The transmission device comprises just one single input - dual output gearbox 14 for transmitting power to the vessel propulsion member 8 and the dredge pump 6. The just one single input - dual output gearbox 14 is arranged at the aft side of the engine 2.
The engine 2 has one single outgoing drive shaft 12 coupled with the transmission. The engine 2 is arranged more close to the central longitudinal axis 10 of the vessel 16 than the driving shaft 7 coupled with the vessel propulsion member 8.
Seen in cross sectional side view, the engine 2 is arranged higher than the driving shaft 7 coupled with the vessel propulsion member 8. Also seen in cross sectional side view, the engine 2 is arranged above, preferably entirely above, the driving shaft 7 coupled with the vessel propulsion member 8.
The just one single input - dual output gearbox 14 comprises a gearbox output 15 facing the engine 2. This output 15 facing the engine 2 allows to run the propulsion shaft 7 alongside the engine 2. The propulsion shaft 7 no longer runs in extension of the engine 2 and on the central longitudinal axis 5 of the engine 2.
Fig. 4 shows a top view of a vessel 16 comprising the drive system 1 according to the invention. The cargo space 9 extends along at least 55%, of the length of the vessel 16.
Fig. 5 shows a top view of a vessel 16 comprising two drive systems 1 according to the invention. The drive systems 1 are symmetrically arranged with respect to the central longitudinal axis 10 of the vessel 16.
Fig. 6 shows a top view of a second embodiment of a drive system 1 according to the invention. Here, the just one single input - dual output gearbox 14 is arranged at the afore side of the engine 2. Now, the output 15 facing the engine 2 allows to run the pump drive shaft 13 alongside the engine 2. The pump drive shaft 13 no longer runs in extension of the engine 2 and on the central longitudinal axis 5 of the engine 2.
It will also be obvious after the above description and drawings are included to illustrate some embodiments of the invention, and not to limit the scope of protection. Starting from this disclosure, many more embodiments will be evident to a skilled person which are within the scope of protection and the essence of this invention and which are obvious combinations of prior art techniques and the disclosure of this patent.
Claims (13)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2011673A NL2011673C2 (en) | 2013-10-25 | 2013-10-25 | Drive system for a trailing dredger. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2011673A NL2011673C2 (en) | 2013-10-25 | 2013-10-25 | Drive system for a trailing dredger. |
| NL2011673 | 2013-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL2011673C2 true NL2011673C2 (en) | 2015-04-29 |
Family
ID=49956320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL2011673A NL2011673C2 (en) | 2013-10-25 | 2013-10-25 | Drive system for a trailing dredger. |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL2011673C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3091128A1 (en) * | 2015-05-04 | 2016-11-09 | Caterpillar Global Mining LLC | Hydraulic mining shovel with scr unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50102095U (en) * | 1974-01-25 | 1975-08-23 | ||
| JPS52146497U (en) * | 1976-04-30 | 1977-11-07 | ||
| US4095545A (en) * | 1977-03-02 | 1978-06-20 | Vmi, Inc. | Self-propelled dredging apparatus |
| NL7900925A (en) * | 1979-02-06 | 1980-08-08 | Breejen Beheer | VACUUM DREDGING VESSEL. |
| JPS5947600U (en) * | 1982-09-24 | 1984-03-29 | 株式会社新潟鐵工所 | Ship propulsion system |
-
2013
- 2013-10-25 NL NL2011673A patent/NL2011673C2/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50102095U (en) * | 1974-01-25 | 1975-08-23 | ||
| JPS52146497U (en) * | 1976-04-30 | 1977-11-07 | ||
| US4095545A (en) * | 1977-03-02 | 1978-06-20 | Vmi, Inc. | Self-propelled dredging apparatus |
| NL7900925A (en) * | 1979-02-06 | 1980-08-08 | Breejen Beheer | VACUUM DREDGING VESSEL. |
| JPS5947600U (en) * | 1982-09-24 | 1984-03-29 | 株式会社新潟鐵工所 | Ship propulsion system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3091128A1 (en) * | 2015-05-04 | 2016-11-09 | Caterpillar Global Mining LLC | Hydraulic mining shovel with scr unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Lapsed because of non-payment of the annual fee |
Effective date: 20171101 |