A rotary sealing structure for coal mine machinery
A technology of rotary sealing and coal mining machinery, applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of no sealing structure, damage, inconvenient work, etc., and achieve the effect of improving use efficiency and extending service life
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] see Figure 1-6 , in an embodiment of the present invention, a rotary sealing structure for coal mining machinery, including a central rotating shaft 1, characterized in that a first housing 2 is sheathed on the outer side of the central rotating shaft 1, and a second housing 2 is fixed on one side of the first housing 2. The casing 3 and the moving belt 13 extend into the inside of the box body 5, the limit ring 12 and the sponge block 14 all bypass th...
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