Design method of large-power rudder oar lubrication system
A technology of lubrication system and design method, applied in the field of lubrication system, can solve the problems of high design and production requirements, increase the overall cost of the rudder propeller, increase the cooling system, etc., and achieve the effect of ensuring good lubrication, novel design, and ensuring reliable operation
Active Publication Date: 2008-12-03
SMMC MARINE DRIVE SYST SUZHOU
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Problems solved by technology
The traditional design uses a cooler to cool down and lower the oil temperature, and its disadvantage is to increase the cooling system
On the one hand, due to the increase of the cooling system, the power consumption of the rudder propeller is increased, the mechanical efficiency of the equipment is low, and the market is not competitive. On the other hand, the reliability of the cooling system is very important to the rudder propeller. , production requirements are high, increasing the cooling system will increase the overall cost of the rudder propeller
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[0021] Such as figure 1 As shown, the high-horsepower rudder propeller lubrication system has two sets of circulating lubrication systems, one set of main body lubrication system consisting of upper gear box 3, well box 6, oil pressure screw sleeve 7, rudder steering bushing 9, and lower gear box 10 , another set of compensation lubrication system constructed by compensation oil tank 1 and upper gear case 3, the two lubrication systems communicate with each other in a limited amount.
[0022] In the specific design, there are two inner and outer oil chambers in the well box 6, the inner oil chamber communicates with the outer oil chamber, the inner oil chamber collects hot lubricating oil, and the outer oil chamber contacts with seawater to achieve heat exchange and cooling lubricating oil For the purpose, the lower part of the upper gear box 3 communicates with the inner oil cavity of the well box 6, and the oil pressure screw sleeve 7 is arranged at the opposite part of the ...
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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
technical field [0001] The invention relates to a lubricating system, in particular to a design method of a high-horsepower rudder propeller lubricating system. Background technique [0002] The high-power rudder propeller is a Z-type power transmission propulsion device. The usual rudder propeller body includes an upper gear box, a rudder steering gear box, a rudder angle feedback device, a hydraulic oil motor, a rudder steering bushing, a power transmission shaft, a well box, It is composed of lower gear box, propeller and duct. The usual whole set of rudder propeller power plant consists of intermediate shaft assembly (highly elastic coupling, clutch, intermediate shaft assembly), lubricating oil tank, lubricating oil pump set, hydraulic pump set, hydraulic oil tank, cooler, rudder control system and rudder propeller A combined device consisting of the device body, etc. [0003] The main function of the rudder propulsion propulsion device is to transmit the power from t...
Claims
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IPC IPC(8): B63H21/38
Inventor 李光荣
Owner SMMC MARINE DRIVE SYST SUZHOU