A lightweight bearing housing structure

A bearing seat, lightweight technology, applied in the direction of lubrication of turbine/propulsion device, cooling of turbine/propulsion device, cooling of engine, etc., can solve the problems of complex mold design, high processing cost, waste, etc., and optimize the internal The effect of space utilization, simple structure and convenient processing

Active Publication Date: 2019-05-21
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

However, the (non-) load-bearing casing using this type of casing assembly will inevitably face the problems of excessive weight of the machine, complicated processing technology of parts and high processing cost.
At the same time, the process route, technical level and low yield of finished products of precision casting will cause a lot of loss of rough, and will also cause a lot of loss and waste of rough raw materials, and the mold design of precision casting parts is complicated, weight control is difficult, and It is more difficult to check the internal quality problems of various loose or inclusions

Method used

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  • A lightweight bearing housing structure
  • A lightweight bearing housing structure
  • A lightweight bearing housing structure

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0032] Such as Figure 1~3 As shown, the lightweight bearing housing structure 100 of the present invention is arranged in the casing of the gas turbine / aero-engine, which can realize the ventilation, cooling and lubricating oil supply of the bearing cavity. The outer ring 101 of the bearing seat and the inner ring 102 of the bearing seat, the bearing 200 is arranged on the inner wall of the inner ring 102 of the bearing seat.

[0033] The front end of the bearing seat outer ring 101 protrudes from the bearing seat inner ring 102, and is turned outward to form a conical structure 1011, which is used to transmit the axial force of the bearing; t...

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Abstract

The invention relates to a light bearing base structure capable of being applied to such fields as ground gas turbines and aircraft engines; and the structure can realize lubricating oil supply of bearing cavities, lubricating oil returning, cooling gas supply and ventilation between the bearing cavities. The light bearing base structure is provided with a discrete convex rib structure for realizing such functions as lubricating oil supply, lubricating oil returning and cooling gas supply, is provided with a kidney-shaped or shape-optimized cavity structure for realizing such functions as ventilation between the bearing cavities, and is provided with a flange mounting edge and an O-shaped ring mounting groove for realizing a function of sealing lubricating oil in the bearing cavities. The light bearing base structure can relieve the weight of an engine to the greatest extent, optimizes internal space utilization of the engine, and shortens an air way of a secondary air system of the engine; and lubricating oil supply and cold air supply in the bearing base both can realize effective control of the temperature of the lubricating oil in the bearing cavities.

Description

technical field [0001] The present invention relates to a bearing housing structure used in the fields of gas turbines, aero-engines, etc., and in particular to a lightweight bearing housing structure that can realize bearing chamber ventilation, cooling and lubricating oil supply, which can meet the requirements of such mechanical structures ( Design requirements for non-)force-transmitting receivers and (non-)force-bearing receivers. Background technique [0002] The load-bearing casing or non-load-bearing casing at the position of the bearing fulcrum is a structural design problem with important practical significance in the fields of gas turbines and aeroengines. [0003] In the previous structural design of gas turbines and aero-engines, such load-bearing casing components were often designed from complex precision casting blanks. And the (non-) load-bearing casing that adopts this type of casing assembly inevitably faces the problems of excessive weight of the machine...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C7/06F02C7/12
CPCF02C7/06F02C7/12
Inventor 杜强刘军徐庆宗胡嘉麟王沛柳光高金海刘红蕊杨晓洁
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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