Adjustable pad structure used in high-temperature side bearing cavity of engine
A technology for adjusting pads and engines, which is applied in the directions of engine lubrication, engine components, turbine/propulsion device lubrication, etc. It can solve the problem of increasing the difficulty of selecting bearing radial oil clearance, affecting the safety and life of the engine, and the inner ring of the bearing runway. Temperature rise and other issues can be avoided to avoid the risk of abrasion, reduce the consumption of lubricating oil, and reduce the processing cost
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the following examples are for explaining the present invention and the present invention is not limited to the following examples.
[0024] Such as figure 1 As shown, this embodiment is a design scheme of using the adjusting pad structure of the present invention in the high-pressure rear fulcrum bearing chamber of the aeroengine. In this embodiment, a high-pressure rear fulcrum rod bearing 8, an adjustment pad 6, and a sealing grate ring 5, which are sleeved on the high-pressure turbine shaft 1, are arranged in the bearing chamber on the high-temperature side of the engine, and the high-pressure rear fulcrum rod bearing 8 is further arranged on the In the bearing seat 9, an oil supply nozzle assembly is set on the ...
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