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Sliding bearing cooling lubricating device

A technology for cooling and lubricating sliding bearings, applied in sliding contact bearings, rotating bearings, bearings, etc., can solve the problems of unsatisfactory lubrication effect, poor heat dissipation effect, and easy wear of liquid lubricated sliding bearings, and achieve good bearings Effect of temperature rise, improvement of lubrication and cooling conditions, and reduction of bearing wear

Inactive Publication Date: 2015-04-15
JIANGSU UNIV
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Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides a sliding bearing cooling and lubricating device, which solves the problem of unsatisfactory lubricating effect of the liquid lubricated sliding bearing in the sealing cavity of the sealless pump motor in the prior art, poor heat dissipation effect, and easy wear and tear. question

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  • Sliding bearing cooling lubricating device

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0020] Such as figure 1 In the sliding bearing cooling and lubricating device shown, the shaft sleeve 6 is installed on the shaft 9, the bearing pad A 2 and the bearing pad B 8 are fixedly connected to the inner wall of the bearing gland 3 through positioning pins, and are installed on the shaft sleeve 6 with clearance fit. A 2 and bearing bush B 8 are provided with an interval 5 in the axial direction, and one end of the bearing gland 3 is fixedly connected to the motor wall 12 through connecting bolts 15. There is a sealed cavity 10 between the bearing gland 3 and the motor wall 12, and the sealed cavity 10 is filled with For liquid, the bearing gland 3 is provided with a through hole 4, and the through hole 4 communicates with the interval 5 and the sealing chamber 10;...

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Abstract

The invention provides a liquid lubricating sliding bearing. A bearing gland is provided with a through hole and an inclined through hole, when a pump rotor rotates at a high speed, two circulating lubricating loops can be formed. The device provided by the invention solves the problems of unsatisfactory lubricating effect of a liquid lubricating sliding bearing in a sealless pump motor sealed cavity, poor cooling effect, easy wear and other problems in the prior art, and is mainly used for high-speed shielding pumps.

Description

technical field [0001] The invention belongs to the field of fluid machinery, in particular to a sliding bearing cooling and lubricating device. Background technique [0002] Under the condition of high-speed pump rotor high-speed rotation, the cooling and lubrication system of the bearing is one of the difficult problems in the design of high-speed pumps. At present, liquid-lubricated sliding bearings are generally used in the sealing chamber of the existing non-leakage pump motor. During operation, the temperature of the bearing gradually rises. Generally, the pressure difference between the two ends of the bearing is used to force the cooling lubricating fluid to flow in the bearing gap and cool it. . In this lubrication and cooling method, the flow rate of the cooling lubricating fluid in the bearing gap is relatively slow, the heat dissipation effect is not ideal, the temperature rises significantly, and the bearing wear is accelerated. Contents of the invention [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C17/12F16C33/04
Inventor 柏宇星孔繁余汪家琼夏斌
Owner JIANGSU UNIV
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