JPS6288446U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of an embodiment of this invention, Fig. 2 is a side view of the intermediate bearing cover of Fig. 1, Fig. 3 is a longitudinal sectional view of another embodiment of this invention, and Fig. 4 is a side view of the intermediate bearing cover of Fig. 1. 3 is a side view of the intermediate bearing cover, FIG. 5 is a side view of the bearing cover of FIG. 3, and FIG. 6 is a longitudinal sectional view of the conventional example.
FIG. 7 is a longitudinal sectional view taken along the line --- in FIG. 6. 3...bearing, 4...rotating shaft, 8...supply path, 1
6, 26...Bearing cover, 17, 27...Intermediate bearing cover, 17a...Small hole, 18...Preliminary grease holding chamber.

Claims (1)

[Scope of utility model registration request] In a grease replenishment type bearing device for a rotating machine in which grease is fed from the outside into the bearing portion through the inner surface of a bearing cover that surrounds a grease supply path and an end face of the bearing, a grease supply path is provided between the inside of the bearing cover and the bearing cover. A disk-shaped intermediate bearing cover that communicates with the bearing to form a preliminary grease holding chamber is inserted, and multiple small holes or intermediate bearings are provided in this intermediate bearing cover at equal intervals on the circumference toward the rolling part of the bearing. A grease replenishment type bearing device for a rotating machine, characterized in that grease is fed into a bearing part through a gap in a rotating shaft penetration part of a cover.