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Thruster adopting water lubricated bearings

A technology of water-lubricated bearings and propellers, applied in the direction of rotary propellers, rotary propellers, etc., can solve the problems of easy failure and high sealing requirements, and achieve the effects of improving reliability, solving cooling problems, and reducing overall size

Inactive Publication Date: 2013-02-06
SHANGHAI MARINE EQUIP RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The rotor of the propeller adopts the structure of oil-lubricated bearings, and then the sealing ring is oiled. This structure has high requirements for sealing and is prone to failure problems

Method used

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  • Thruster adopting water lubricated bearings
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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] like figure 1 , shown in 2, the propeller adopting water-lubricated bearing of the present invention includes rotor 1, propeller blade 2, water-resistant winding 3, motor stator core 4, water-lubricated bearing 5, axial water-lubricated bearing 6, radial water-lubricated bearing 7. Propeller casing 8, fixed hanger 9, etc.

[0018] The rotor 1 has propeller blades 2 built in, the water-resistant winding 3 is embedded in the stator core 4 of the motor, and the rotor 1 and the propeller casing 8 are connected through a water-lubricated bearing 5 .

[0019] The rotor 1 of the motor is a hollow structure with propeller blades 2 attached to its inner wall. The outer edge of the propeller blades 2 is fixed to the inner circle of the rotor 1 by welding or bolts. The number of propeller blades is determined according to the design requirements. When the ...

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Abstract

The invention relates to a thruster adopting water lubricated bearings, which comprises a rotor, a propeller blade, a motor stator core and a thruster casing. The propeller blade is arranged in the rotor; a waterproof winding is embedded in the motor stator core; and the rotor is connected with the thruster casing through the water lubricated bearings. The water lubricated bearings comprise an axial water lubricated bearing and a radial water lubricated bearing; the axial water lubricated bearing is arranged between an axial boss of the rotor and the thruster casing and used for the axial positioning of the rotor; and the radial water lubricated bearing is arranged between the outer diameter of the rotor and the thruster casing and used for the radial positioning of the rotor. The thruster adopts the structural mode of the integration of the propeller blade and the rotor of a motor, the waterproof motor winding and the water lubricated bearings, and can realize simplification and reliability.

Description

technical field [0001] The invention relates to a ship propeller, in particular to a propeller which can be used for propulsion of water surface ships and is also suitable for underwater propulsion. Background technique [0002] At present, the main structure of propellers used for propulsion of surface ships and also suitable for underwater propulsion is as follows: [0003] The motor part of the thruster adopts the traditional shielded pump structure. Although this structure can effectively prevent the stator from entering water and has good insulation performance, due to the use of stainless steel shielding sleeves in the air gap of the motor, a large amount of water will be generated during the operation of the motor. eddy current loss, so the motor efficiency of this structure is only about 60%; [0004] The rotor of the propeller adopts the structure of oil-lubricated bearings, and then the sealing ring is oiled. This structure has high requirements for sealing and is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H1/14
Inventor 周璞毕刘新李国平张超章艺钟焱
Owner SHANGHAI MARINE EQUIP RES INST
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