A Method for Reducing Oil Churn Loss of Composite Thrust Bearing
A technology of oil churning loss and thrust bearing, which is applied in the direction of engine lubrication, engine components, lubricating parts, etc., can solve the problems of thrust bearing soaking, etc., and achieve the effects of avoiding dry friction or burning tiles, improving operating efficiency and low cost
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Embodiment 1
[0023] A method for reducing oil churning loss of combined thrust bearings, comprising the following steps:
[0024] a. Before the thrust bearing runs, inject lubricating oil into the oil tank 8, so that the guide bearing pad 9 is soaked in the lubricating oil. At this time, the thrust pad 10, the mirror plate 15 and the bearing thrust head 14 are all soaked in the lubricating oil;
[0025] b. Set a high-level oil tank 1 with a one-way exhaust valve 13. The volume of the high-level oil tank 1 is greater than the volume of lubricating oil in the area between the upper part of the guide bearing pad 9 and the bottom of the thrust pad 10 in the oil tank 8. Use the oil supply pump 3 to fill the oil tank. The lubricating oil in 8 is injected into the high-level oil tank 1, and the lubricating oil is injected between the mirror plate 15 and the thrust pad 10 through the high-level oil tank 1, and / or between the bearing thrust head 14 and the guide bearing pad 9, so that the lubricatin...
Embodiment 2
[0036] This embodiment is basically the same as the above-mentioned embodiment, the main difference is that: the high-level oil tank 1 in the step b is provided with a single-suction valve 12 . The single-suction valve 12 is mainly used when the oil supply pump 3 cannot operate normally due to failure or power failure. Lubricating oil, due to gravity, the high-level oil tank 1 can continue to supply lubricating oil to the thrust bearing; and, when the lubricating oil in the high-level oil tank 1 is discharged to a certain amount, the internal air pressure of the high-level oil tank 1 is lower than the external air pressure. The suction valve 12 is opened, and air is fed into the high-level fuel tank 1. Under the action of external pressure, the lubricating oil in the high-level fuel tank 1 can still be completely discharged into the oil tank 8 with the same oil output as that pumped by the original oil supply pump 3. When the high oil tank 1 is emptied, the mirror plate 15, th...
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