PROBLEM TO BE SOLVED: To provide a lubrication device which keeps the leakage of lubricant at a low level and prevents dust from entering inside from outside, in a lubrication device for a cone crusher of a mobile crusher equipped with the cone crusher.;SOLUTION: The lubrication device for the cone crusher which crushes a rock and the like comprises an air pressurizing means which supplies an air pressure to an oil chamber with an oil seal for the lubricant of the cone crusher, a first tank into which the lubricant flows after returning from the cone crusher, a second tank for storing the lubricant, a mechanism which makes the lubricant flow into the second tank when the liquid level of the lubricant in the first tank exceeds a specified height, a constriction through which the lubricant passes from the first tank to the second tank and a liquid level height detector which detects the height of the liquid level in the first tank.;COPYRIGHT: (C)2002,JPO
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