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Transmission bearing lubrication oil-supply structure with compact structure

A transmission bearing with a compact structure, which is applied in the field of bearing lubrication and can solve problems such as unsatisfactory lubrication effect and short working life

Active Publication Date: 2019-04-16
BEIJING POWER MACHINERY INST
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] In a turbofan engine, limited by the structure, the transmission bearing can theoretically achieve oil mist lubrication, but the actual lubrication effect is not ideal and the working life is short

Method used

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  • Transmission bearing lubrication oil-supply structure with compact structure

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Embodiment Construction

[0010] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0011] In order to improve the lubrication condition of the bearing and prolong the working life, according to the traditional oil supply structure design idea, it is necessary to lead out an oil supply pipe, which is difficult to realize in a narrow space. The present invention uses the existing pipeline layout of the lubricating system of the equipment to design a compact lubricating oil supply structure for the transmission bearing.

[0012] The lubricating oil supply structure of the transmission bearing in this embodiment is in a compact structure, using the existing lubrication system pipeline layout of the equipment, without adding oil supply branches, without adding new parts, and achieving the lubrication of th...

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Abstract

The invention discloses a transmission bearing lubrication oil-supply structure with a compact structure. The transmission bearing lubrication oil-supply structure comprises an oil spraying hole formed in a spiral oil passing groove inside a power generator, the oil spraying hole directly faces a bevel gear in position, a plurality of penetrating oil passing holes are formed in the bevel gear, andlubrication oil is pumped to a to-be-lubricated ball bearing through the oil passing holes by utilizing rotating centrifugal force of the bevel gear. The transmission bearing lubrication oil-supply structure is simple in structure, an original lubrication system pipeline is fully utilized, no new part is additionally arranged, the lubrication problem of a short-life bearing is solved, and throughreal object test, the design target is achieved; and at present, the transmission bearing lubrication oil-supply structure is applied to a turbofan engine for an unmanned aerial vehicle and can be applied and popularized to the same type of engines.

Description

technical field [0001] The invention belongs to the technical field of bearing lubrication and relates to a transmission bearing lubrication and oil supply structure with a compact structure. Background technique [0002] In a turbofan engine, due to structural limitations, the transmission bearing can theoretically achieve oil mist lubrication, but the actual lubrication effect is not ideal and the working life is short. Contents of the invention [0003] (1) Purpose of the invention [0004] The object of the present invention is to provide a transmission bearing lubricating and oil supply structure with a compact structure, which can realize efficient oil injection lubrication function while adapting to the internal compact structure of the turbofan engine. [0005] (2) Technical solution [0006] In order to solve the above technical problems, the present invention provides a compact transmission bearing lubricating oil supply structure, which includes an oil injecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C7/06
CPCF02C7/06
Inventor 党晓勇马同玲王冬兰贾晋伟孟凡坤
Owner BEIJING POWER MACHINERY INST
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