TH13638B - Vertical liquid support - Google Patents

Abstract

DC60 (06/08/45) The rotating shaft (3) is inserted into the bearing hole (2A) of the casing (2) where the lubricated oil (5) is stored in between. Bottom and top groove pattern (31, 32; 2B, 2C) spaced in the vertical direction. For generating a common dynamic pressure when the shaft rotates in a hole, a bearing is created on the outer surface of the rotating shaft and at least one of the inner faces of the bearing holes. The rotating shaft has a recessed portion into the affected area. Set position between patterns Of the bottom and top grooves for oil collection Lubricate in it The indentation is tapered asymmetrically (3A, 3A ') so that the lubricant stored in the recessed portion is rotated. Mostly circular Go to the pattern of the grooves above (31, 2B) against the gravity exerted on it when the shaft rotates. Rotate in the bearing hole where Bottom and side groove layout The upper is evenly lubricated, the rotating shaft (3) is inserted into the bearing hole (2A) of the casing (2) where the lubricated oil (5) is stored in between. Bottom and top groove pattern 31, 32; 2B, 2C) spaced in the vertical direction. For generating a common dynamic pressure when the shaft rotates in a hole, a bearing is created on the outer surface of the rotating shaft and at least one of the inner faces of the bearing holes. The rotating shaft has a recessed portion into the affected area. Set position between patterns Of the bottom and top grooves for oil collection Lubricate in it The indentation is tapered asymmetrically (3A, 3A ') so that the lubricant stored in the recessed portion is rotated. Mostly circular Go to the pattern of the grooves above (31, 2B) against the gravity exerted on it when the shaft rotates. Rotate in the bearing hole where the bottom and bottom groove pattern The upper will be lubricated evenly.

Claims (5)

1. A vertical fluid pressure support device consisting of a rotating shaft that Is inserted in the bearing hole of the sleeve with the lubricant retained between it, where the upper and lower groove patterns are spaced in the vertical direction for Generates a common dynamic pressure when the shaft rotates in the aforementioned bearing holes. Was formed on, at least One surface of the outer surface of the rotating shaft And the inner surface of the said bearing hole The spinning shaft has a recess in the area being provided. Between the side groove patterns Above and below the slit for storing lubricant there, the recess is tapered asymmetric so that the lubricant stored in the recess is greatly circulated. Still, the above groove pattern resists gravity exerted on it. When the shaft turns Rotation in the aforementioned bearing holes, hence the upper and lower groove patterns are lubricated. Regularly 2.Vertical fluid pressure support device consisting of A casing with a bearing hole protruding in the axial direction of that The rotating shaft is inserted in the said bearing hole of the said casing. A groove pattern that provides at least two sets of dynamic pressures being formed on the At least the surface of the inner surface of the said bearing hole and the outer surface of the rotating shaft. Such a rotating shaft has a recess in the area arranged between the provided groove patterns. Two such sets of dynamic pressure generators The recess is mostly made up of. Primary taper with a diameter having a more nonspecific position at other lower positions. The non-specific position and the surface of the primary slender And the form of the groove that generates the dynamic pressure Two such sets are filled with lubricant. 3. A vertical fluidized support device in accordance with claim 2, where the rotating shaft has an additional taper than the primary taper. The extra slender section. Are held at opposite ends of the top and bottom. At least one end of the sleeve, with the diameter of the aforementioned auxiliary taper being less at a non-specific position than that Another position is close to the groove pattern that generates such dynamic pressure. And the surface of the slender part The aforementioned primary and secondary, and the form of the furrows that generate the two such dynamic pressures were added. Such lubricant 4.Vertical liquid-pressure support device consisting of A casing with a bearing hole protruding in the axial direction of that The rotating shaft is inserted in the aforementioned bearing of the casing and the upper and lower groove patterns for dynamic pressure generation as the shaft rotates. It rotates in the aforementioned bearing holes. That are formed separately on at least one surface of the face The inside of the aforementioned bearing holes And the outer surface of the spindle, where the spindle has a recess in the area provided Between the side groove patterns Above and below thereof And the aforementioned recess is mostly made up by a tapered face Aligned with the above groove pattern 5. A vertical liquid-pressure support device consisting of A casing with a bearing hole protruding in the axial direction of that The rotating shaft is inserted in the aforementioned bearing holes of the said casing and the top and bottom grooves are formed. For generating dynamic pressure when the shaft rotates It rotates in the aforementioned bearing holes. That are formed separately on at least one surface of the face The inside of the aforementioned bearing holes And the outer surface of the rotating shaft Where the spinning shaft has a recess in the central area arranged between the patterns Of the above and below grooves The recess is made up of a combination of the surface. Tapered top and bottom with opposite slopes And were placed side by side in the vertical direction and axial width of the above tapered surface. Longer than the axial width of the surface Slender bottom as mentioned