CN101314406A - Design method of large-power rudder oar lubrication system - Google Patents

Design method of large-power rudder oar lubrication system Download PDF

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Publication number
CN101314406A
CN101314406A CNA2008100243402A CN200810024340A CN101314406A CN 101314406 A CN101314406 A CN 101314406A CN A2008100243402 A CNA2008100243402 A CN A2008100243402A CN 200810024340 A CN200810024340 A CN 200810024340A CN 101314406 A CN101314406 A CN 101314406A
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CN
China
Prior art keywords
oil
gear box
lubricating
lubricating oil
lubrication
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CNA2008100243402A
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Chinese (zh)
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CN100590025C (en
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李光荣
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苏州船用机械有限公司
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Priority to CN200810024340A priority Critical patent/CN100590025C/en
Publication of CN101314406A publication Critical patent/CN101314406A/en
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Publication of CN100590025C publication Critical patent/CN100590025C/en

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Abstract

The invention relates to a method for designing a high-horsepower rudder-propeller lubrication system. A main lubrication system consists of the lower part of an upper gearbox, a well box, an oil pressing threaded sleeve, a rudder rotating casing pipe and a lower gearbox; a compensative lubrication system consists of a compensative oil tank and the upper part of the upper gearbox; two lubrication systems are in limited communication with each other; when a rudder-propeller is still and does not work, the upper gearbox is full of lubricating oil, and an upper gear is submerged in the lubricating oil; when the rudder-propeller works, the lubricating oil is partially pumped into the compensative oil tank by a shaft-piercing type lubricating oil pump, so as to lower the oil level of the upper gearbox to a position where the upper gear is exposed; partial lubricating oil at a low position of the rudder-propeller is pressed into the lower gearbox through the oil pressing threaded sleeve, so as to exchange heat with seawater for cooling; the cooled lubricating oil is pressed and sent to a working surface of the upper gear through a lower gear shaft inner oil hole and an upper gear shaft inner oil hole; the low-temperature lubricating oil in an oil cavity of an outer layer of the well box is pumped into the compensative oil tank by the shaft-piercing type lubricating oil pump; the low-temperature lubricating oil flows to bearings of the upper gearbox through the oil holes, and is simultaneously sprayed onto a tooth surface of the upper gear for lubrication through an overflow pipe.

Description

The method of designing of large-power rudder oar lubrication system
Technical field
The present invention relates to a kind of lubricating system, relate in particular to a kind of method of designing of large-power rudder oar lubrication system.
Background technology
High-power rudder oar is a kind of Z type power transmission propelling unit, and common rudder oar body comprises upper gear box, the gear case of coming about, rudder angle ultramagnifier, hydraulic oil motor, the sleeve pipe of coming about, power drive shaft, well case, lower tooth roller box, compositions such as screw propeller and conduit.The composite set that common a whole set of rudder oar engine installation is made up of tween drive shaft module (highly elastic shaft coupling, power-transfer clutch, intermediate shaft assembly), lubrication box, lubricating pump group, Hydraulic Pump group, hydraulic reservoir, cooling vessel, the maneuvering system of coming about and rudder oar device body etc.
Rudder oar Powerpush Unit radical function is by two pairs of spiral bevels in the gear case about tween drive shaft module and the rudder oar transmission of power that diesel engine (primary mover) sends to be produced thrust to screw propeller; Can control the lower tooth roller box of band screw propeller simultaneously by electrohydraulic control system, unrestrictedly revolution to the left or to the right, so whole thrusts of screw propeller arbitrarily can act on any direction, thereby obtains the optimized matching of propelling and thrust direction.No matter large or small rudder oar device is similar on surface structure both at home and abroad.The subject matter that puzzlement rudder oar device develops to high-power direction is how to reduce heating, raising mechanical efficiency.Be generally used for powerdriven rudder oar its up and down two pairs of right angle spiral bevels be immersed in the lubricating oil and be lubricated, though guaranteed gear lubrication like this, but owing to gear, bearing rub, stir the heat that lubricating oil produces in transmission, make oily temperature fast rise, high-power rudder oar is because cal val is big, the heat radiation difficulty, and situation is even more serious.How to reduce the machinery heating, how fast heat extraction is gordian technique of high-power rudder oar design-calculated.Traditional design adopts cooling vessel to cool off, reduce the oil temperature, and its shortcoming is to increase cooling system.On the one hand owing to increase the power drain that cooling system has improved rudder oar complete machine, the mechanical efficiency of equipment is low, lack competitiveness in market, on the other hand because the functional reliability of cooling system is most important to the rudder oar, therefore Cooling System Design, production requirement are all higher, increase the whole cost that cooling system has just increased the rudder oar.
Therefore, the high-power rudder oar of a kind of succinct failure-free of research and design lubricating system is a problem that is significant.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of novel lubricating system that is applicable to large-power rudder oar is provided.
Purpose of the present invention is achieved through the following technical solutions:
The method of designing of large-power rudder oar lubrication system, characteristics are: be provided with two cover circulation lubrication systems on the rudder oar, one cover is by the main body lubricating system of upper gear box bottom, well case, pressure whelk cover, the sleeve pipe of coming about, lower gear box structure, another set of make-up lubricating system by compensation fuel tank and upper gear box superstructure, two lubricating systems finite quantity each other are connected;
At first be, be provided with inside and outside two-layer oil pocket in the well case, the bottom of upper gear box communicates with the internal layer oil pocket of well case, the position that coupler is relative between two gear wheel shafts is provided with and presses the whelk cover up and down, come about and also be provided with oil pocket in the sleeve pipe, the internal layer oil pocket of well case communicates with the oil pocket of the sleeve pipe of coming about by pressing the whelk cover, and the lower end of the sleeve pipe oil pocket of coming about communicates with the lower tooth roller box, and promptly the upper gear box bottom becomes the pressure oil oil duct of main body lubricating system with the lower gear box-shaped by well case, pressure whelk cover, the sleeve pipe of coming about; Center at cog axle and lower tooth wheel shaft all has through hole, the center of coupler also has through hole between two gear wheel shafts up and down, three's central through hole connects, and promptly the lower tooth roller box is by three's the central through hole and the oil return oil duct of upper gear box formation main body lubricating system; Temperature higher lubricating oil in lubricated back is pressed in the lower tooth roller box by pressure whelk cover earlier in the upper gear box thereby make, lubricating oil that temperature is higher and the cooling of seawater interchange of heat, cooled lubricating oil again by the central through hole of lower tooth wheel shaft, the central through hole of the central through hole of coupler and the axle that cogs is sent back in the upper gear box for the engagement place lubricatedly between two gear wheel shafts up and down, is configured to on-cycle main body lubricating system;
Next is, above upper gear box, be provided with the compensation fuel tank, the bottom of compensation fuel tank communicates with the bearing oil hole of upper gear box, in the compensation fuel tank, be provided with overflow pipe, overflow pipe communicates with upper gear box, the export pipeline of shaft-penetrating type lubricating pump is linked into the compensation fuel tank, and shaft-penetrating type lubricating oil pump inlet communicates with the outer oil pocket of well case; By the shaft-penetrating type lubricating pump lubricating oil in the outer oil pocket of well case is extracted in the compensation fuel tank, is used for the bearing of lubricated upper gear box, when the oil level of lubricating oil is higher than overflow pipe in the compensation fuel tank, by the gear spray lubrication of overflow pipe in upper gear box; Hot lubricating oil after the upper gear box gear lubrication is flow to the upper gear box bottom, hot lubricating oil after the upper gear box bearing lubrication is also flow to the upper gear box bottom, hot lubricating oil is pooled in the internal layer oil pocket of well case again, then by pressing the whelk cover that hot lubrication pressure is cooled off the circulatory lubrication that so goes round and begins again with the seawater interchange of heat in the lower tooth roller box.
Further, the method for designing of above-mentioned large-power rudder oar lubrication system, the transmission shaft of described shaft-penetrating type lubricating pump drive with the input shaft of upper gear box and are connected.
Further, the method for designing of above-mentioned large-power rudder oar lubrication system is characterized in that: described shaft-penetrating type lubricating oil delivery side of pump is linked into the compensation fuel tank by filter, temperature sensor and flow counter.
Substantive distinguishing features and obvious improvement that technical solution of the present invention is outstanding are mainly reflected in:
1. modern design of the present invention, heat exchange area by abundant increasing lower apron, improve the cooling effectiveness that lubricating oil and flowing seawater carry out interchange of heat, make the lubricating oil in the rudder oar when lower oil temperature, just can reach heat balance, do not need additional cooling system, not only energy-conservation but also reliable, obviously reduced energy consumption, guarantee the use temperature rise of system, guaranteed the reliability service of rudder oar system;
2. utilize the shaft-penetrating type lubricating pump that the lubricating oil of lower temperature in the outer oil pocket of well case is extracted into the compensation fuel tank, the upper gear box bottom is evacuated, bearing in the upper gear box and cog and expose lubricating oil, avoided the heating of oil that stirs of gear and bearing, especially the oil level of upper gear box is reduced to the position that cogs and expose, cog and do not stir oil in the running, the cal val when having significantly reduced working gear makes rudder oar cal val cut down 3/5;
3. by pressing the whelk cover lubricating oil that the hot lubricating oil on rudder oar top and bottom is cold to carry out flowing fast exchanging, make hot lubricating oil obtain quick cooling, cooling performance is better;
4. the shaft-penetrating type lubricating pump be extracted into the compensation fuel tank lubricating oil spray on the flank of tooth that cogs by the overflow pore, fully guaranteed the good lubrication of gear mesh face.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the structural representation of system of the present invention.
The implication of each Reference numeral sees the following form among the figure:
Reference numeral Implication Reference numeral Implication Reference numeral Implication
????1 The compensation fuel tank ????2 Overflow pipe ????3 Upper gear box
????4 Bearing ????5 Axle cogs ????6 The well case
????7 Press the whelk cover ????8 The lower tooth wheel shaft ????9 The sleeve pipe of coming about
????10 The lower tooth roller box ????11 The shaft-penetrating type lubricating pump ????12 Filter
????13 Temperature sensor ????14 Flow counter
The specific embodiment
As shown in Figure 1, large-power rudder oar lubrication system, two cover circulation lubrication systems are arranged, one cover is by the main body lubricating system of upper gear box 3, well case 6, pressure whelk cover 7, the sleeve pipe 9 of coming about, lower tooth roller box 10 structures, another set of make-up lubricating system by compensation fuel tank 1 and upper gear box 3 structures, two lubricating systems finite quantity each other are connected.
During specific design, be provided with inside and outside two-layer oil pocket in the well case 6, the internal layer oil pocket communicates with outer oil pocket, the internal layer oil pocket compiles hot lubricating oil, outer oil pocket and contact with sea water, reach the purpose of interchange of heat cutting oil, the bottom of upper gear box 3 communicates with the internal layer oil pocket of well case 6, the position that coupler is relative between two gear wheel shafts is provided with and presses whelk cover 7 up and down, come about and also be provided with oil pocket in the sleeve pipe 7, the internal layer oil pocket of well case 6 communicates with the oil pocket of the sleeve pipe 9 of coming about by pressing whelk cover 7, and the lower end of the sleeve pipe oil pocket of coming about communicates with lower tooth roller box 10, and promptly well case 6 is passed through in the upper gear box bottom, press whelk cover 7, come about sleeve pipe 9 and lower tooth roller box 10 forms the pressure oil oil duct of main body lubricating systems; Center at cog axle 5 and lower tooth wheel shaft 8 all has through hole, the center of coupler also has through hole between two gear wheel shafts up and down, three's central through hole connects, and promptly lower tooth roller box 10 is by three's the central through hole and the oil return oil duct of upper gear box 3 formation main body lubricating systems; Temperature higher lubricating oil in lubricated back is pressed in the lower tooth roller box 10 by pressing whelk cover 7 in the upper gear box 3 thereby make, lubricating oil that temperature is higher and the cooling of seawater interchange of heat, cooled lubricating oil by the central through hole of lower tooth wheel shaft 8, the central through hole of coupler and axle 5 the central through hole that cogs are sent back in the upper gear box 3 lubricatedly for the engagement place between two gear wheel shafts up and down, are configured to on-cycle main body lubricating system.Above upper gear box 3, be provided with compensation fuel tank 1, the bottom of compensation fuel tank 1 communicates with the bearing oil hole of upper gear box, in compensation fuel tank 1, be provided with overflow pipe 2, overflow pipe 2 communicates with upper gear box 3, the transmission shaft of shaft-penetrating type lubricating pump 11 drives with the input shaft of upper gear box and is connected, the outlet of shaft-penetrating type lubricating pump 11 is linked into compensation fuel tank 1 by filter 12, temperature sensor 13 and flow counter 14, and the import of shaft-penetrating type lubricating pump 11 communicates with the outer oil pocket of well case; By the shaft-penetrating type lubricating pump the lower lubricating oil of well case outer oil cavity temperature is extracted in the compensation fuel tank 1, the bearing 4 that is used for lubricated upper gear box, when the oil level of lubricating oil is higher than overflow pipe 2 in the compensation fuel tank 1, by the gear spray lubrication of overflow pipe 2 in upper gear box 3; Hot lubricating oil after the upper gear box gear lubrication is flow to the upper gear box bottom, hot lubricating oil after the upper gear box bearing lubrication is also flow to the upper gear box bottom, hot lubricating oil is pooled in the internal layer oil pocket of well case 6 again, then by pressing whelk cover 7 that hot lubrication pressure is cooled off the circulatory lubrication that so goes round and begins again with the seawater interchange of heat in lower tooth roller box 10.
When the rudder oar is static when not working, upper gear box 3 is full of lubricating oil, cog and be immersed in fully in the lubricating oil, liquid level arrives the coboundary of lubricating oil liquid level observation window, during the work of rudder oar, the lubricating oil part is arrived compensation fuel tank 1 by shaft-penetrating type lubricating pump 11 pumps, make the oil level of upper gear box 3 be reduced to the position that cogs and expose, rudder oar low portion lubricating oil circulates by pressing whelk cover 7, the lubricating oil of heat is pressed onto lower tooth roller box 10 by pressing whelk cover 7, the lubricating oil of lower tooth roller box 10 and seawater carry out interchange of heat and obtain cooling, the lubricating oil of cooling is sent to the driving surface that cogs by the aperture in the lower tooth wheel shaft and an interior aperture that cogs, the lubricating oil that well case outer oil cavity temperature is low is extracted into compensation fuel tank 1 by shaft-penetrating type lubricating pump 11 again, the relative colder lubricating oil of compensation fuel tank 1 flows to each bearing place of upper gear box by oil passage, while sprays on the flank of tooth that cogs by overflow pipe 2 again and is lubricated, and going round and beginning again circulation is carried out.
This oil level indication of high-power rudder oar lubricating system configuration failure-free and warning device are as temperature sensor and flow counter, the fuel level sensor etc. between the oil level form on upper gear box and the compensation fuel tank, oil level indicator (can show the oil level after the upper gear box bottom is evacuated), shaft-penetrating type lubricating pump and the compensation fuel tank.The rudder oar is static when not working, and upper gear box is full of lubricating oil, cogs to be immersed in fully in the lubricating oil, and liquid level arrives lubricating oil liquid level window.The upper gear box bottom just is evacuated during work.The airfilter of pressurize is installed on the compensation fuel tank, is made rudder oar lubricant reservoir remain pressure.
It should be noted that, technical solution of the present invention has fully strengthened the heat exchange area (lower tooth roller box 10, the sleeve pipe 9 of coming about, well case 6 water area) of lower apron, improve the cooling effectiveness that lubricating oil and flowing seawater carry out interchange of heat, make the lubricating oil in the rudder oar when lower oil temperature, just can reach heat balance, therefore this later-model high-power rudder oar lubricating system does not need additional cooling system, and is not only energy-conservation but also reliable.Test according to reality, the power consumption of the full flooded lubrication mode of prior art (gear is immersed in the lubricating oil fully) is 100kW, and the present invention find time upper gear box, only be 30kW with the power consumption of oilhole spray lubrication mode, obviously reduced energy consumption, guarantee the use temperature rise of system simultaneously, guaranteed the reliability service of rudder oar system.In addition, lubricating system has reduced more than 20% with oil mass.
Utilize and press whelk cover 7 the cold lubricating oils of hot lubricating oil and bottom to carry out flowing fast exchange, make hot lubricating oil obtain quick cooling, significantly improved cooling performance rudder oar top.
Shaft-penetrating type lubricating pump 11 is extracted into compensation fuel tank 1 with the lubricating oil of lower temperature in the outer oil pocket of well case, shaft-penetrating type lubricating pump oil mass is greater than the recirculating oil quantity of bearing oil hole and oil duct, make the upper gear box bottom be evacuated, bearing in the upper gear box and cog and expose lubricating oil, avoided the heating of oil that stirs of gear and bearing, especially the oil level of upper gear box is reduced to the position that cogs and expose, guarantee to cog and do not stir oil in the running, cal val when having significantly reduced working gear makes rudder oar cal val cut down 3/5.The lubricating oil that shaft-penetrating type lubricating pump 11 is extracted into compensation fuel tank 1 sprays on the flank of tooth that cogs by oilhole, has fully guaranteed the good lubrication of gear mesh face.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the rights protection scope of the present invention.

Claims (3)

1. the method for designing of large-power rudder oar lubrication system, it is characterized in that: on the rudder oar, be provided with two cover circulation lubrication systems, one cover is by the main body lubricating system of upper gear box bottom, well case, pressure whelk cover, the sleeve pipe of coming about, lower gear box structure, another set of make-up lubricating system by compensation fuel tank and upper gear box superstructure, two lubricating systems finite quantity each other are connected;
At first be, be provided with inside and outside two-layer oil pocket in the well case, the bottom of upper gear box communicates with the internal layer oil pocket of well case, the position that coupler is relative between two gear wheel shafts is provided with and presses the whelk cover up and down, come about and also be provided with oil pocket in the sleeve pipe, the internal layer oil pocket of well case communicates with the oil pocket of the sleeve pipe of coming about by pressing the whelk cover, and the lower end of the sleeve pipe oil pocket of coming about communicates with the lower tooth roller box, and promptly the upper gear box bottom becomes the pressure oil oil duct of main body lubricating system with the lower gear box-shaped by well case, pressure whelk cover, the sleeve pipe of coming about; Center at cog axle and lower tooth wheel shaft all has through hole, the center of coupler also has through hole between two gear wheel shafts up and down, three's central through hole connects, and promptly the lower tooth roller box is by above-mentioned three's the central through hole and the oil return oil duct of upper gear box formation main body lubricating system; Temperature higher lubricating oil in lubricated back is pressed in the lower tooth roller box by pressure whelk cover earlier in the upper gear box thereby make, lubricating oil that temperature is higher and the cooling of seawater interchange of heat, cooled lubricating oil again by the central through hole of lower tooth wheel shaft, the central through hole of the central through hole of coupler and the axle that cogs is sent back in the upper gear box for the engagement place lubricatedly between two gear wheel shafts up and down, is configured to on-cycle main body lubricating system;
Next is, above upper gear box, be provided with the compensation fuel tank, the bottom of compensation fuel tank communicates with the bearing oil hole of upper gear box, in the compensation fuel tank, be provided with overflow pipe, overflow pipe communicates with upper gear box, shaft-penetrating type lubricating oil delivery side of pump is linked into the compensation fuel tank, and shaft-penetrating type lubricating oil pump inlet communicates with the outer oil pocket of well case; By the shaft-penetrating type lubricating pump lubricating oil in the outer oil pocket of well case is extracted in the compensation fuel tank, is used for the bearing of lubricated upper gear box, when the oil level of lubricating oil is higher than overflow pipe in the compensation fuel tank, by the gear spray lubrication of overflow pipe in upper gear box; Hot lubricating oil after the upper gear box gear lubrication is flow to the upper gear box bottom, hot lubricating oil after the upper gear box bearing lubrication is also flow to the upper gear box bottom, hot lubricating oil is pooled in the internal layer oil pocket of well case again, then by pressing the whelk cover that hot lubrication pressure is cooled off the circulatory lubrication that so goes round and begins again with the seawater interchange of heat in the lower tooth roller box.
2. the method for designing of large-power rudder oar lubrication system according to claim 1 is characterized in that: the transmission shaft of described shaft-penetrating type lubricating pump drives with the input shaft of upper gear box and is connected.
3. the method for designing of large-power rudder oar lubrication system according to claim 1, it is characterized in that: described shaft-penetrating type lubricating oil delivery side of pump is linked into the compensation fuel tank by filter, temperature sensor and flow counter.
CN200810024340A 2008-05-21 2008-05-21 Design method of large-power rudder oar lubrication system CN100590025C (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865278A (en) * 2010-06-30 2010-10-20 沈阳申克动力机械有限公司 Non-motile non-prelubricating high-speed gear device
CN102325693A (en) * 2009-02-18 2012-01-18 Zf腓德烈斯哈芬股份公司 Ship drive comprising drive unit that can be pivoted under water
CN102837815A (en) * 2012-08-27 2012-12-26 苏州船用动力系统股份有限公司 Oil thrower structure for transferring lubricating oil for steering oar
CN104024103A (en) * 2011-12-28 2014-09-03 瓦锡兰芬兰有限公司 A method of and an arrangement for improving the lubrication system of a propulsion device of a marine vessel
CN104179951A (en) * 2014-08-08 2014-12-03 苏州苏净船用机械有限公司 Lubricating cooling device for steering oar
CN106516064A (en) * 2016-10-26 2017-03-22 东莞亿动智能科技有限公司 Ship propeller
CN106542073A (en) * 2016-10-26 2017-03-29 东莞亿动智能科技有限公司 Ship's propeller
EP3279079A1 (en) * 2016-08-04 2018-02-07 Caterpillar Propulsion Production AB Lubrication system for azimuth thruster

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4993979A (en) * 1989-05-12 1991-02-19 Outboard Marine Corporation Marine propulsion device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102325693A (en) * 2009-02-18 2012-01-18 Zf腓德烈斯哈芬股份公司 Ship drive comprising drive unit that can be pivoted under water
CN102325693B (en) * 2009-02-18 2014-11-19 Zf腓德烈斯哈芬股份公司 Ship drive comprising drive unit that can be pivoted under water
CN101865278A (en) * 2010-06-30 2010-10-20 沈阳申克动力机械有限公司 Non-motile non-prelubricating high-speed gear device
CN101865278B (en) * 2010-06-30 2012-08-01 沈阳申克动力机械有限公司 Non-motile non-prelubricating high-speed gear device
CN104024103A (en) * 2011-12-28 2014-09-03 瓦锡兰芬兰有限公司 A method of and an arrangement for improving the lubrication system of a propulsion device of a marine vessel
CN104024103B (en) * 2011-12-28 2016-04-06 瓦锡兰芬兰有限公司 For improvement of the method and apparatus of the lubricating system of the propelling unit of boats and ships
CN102837815A (en) * 2012-08-27 2012-12-26 苏州船用动力系统股份有限公司 Oil thrower structure for transferring lubricating oil for steering oar
CN104179951A (en) * 2014-08-08 2014-12-03 苏州苏净船用机械有限公司 Lubricating cooling device for steering oar
EP3279079A1 (en) * 2016-08-04 2018-02-07 Caterpillar Propulsion Production AB Lubrication system for azimuth thruster
CN106516064A (en) * 2016-10-26 2017-03-22 东莞亿动智能科技有限公司 Ship propeller
CN106542073A (en) * 2016-10-26 2017-03-29 东莞亿动智能科技有限公司 Ship's propeller
CN106516064B (en) * 2016-10-26 2020-01-21 广东逸动科技有限公司 Marine propeller

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