The invention discloses a novel pulley device. The novel pulley device comprises a roller (1), baffles (2), a shaft (3), a bearing (4), a shaft hole (5) and a sealing ring (6); the baffles (2) are arranged at two sides of the roller (1); the shaft (3) is positioned in the center of the roller (1) and is connected with the bearing (4); the shaft hole (5) is formed in the center of the baffle (2) and communicated with an inner hole in the roller (1); the sealing ring (6) is positioned at the outermost end of the shaft (3) and connected with the shaft hole (5). The novel pulley device is scientific and reasonable in design, high in safety, long in service life, waterproof, dustproof, and widely applicable to large, medium and small coal mine enterprises, and is an ideal product replacing the pulley in the coal mine industry at present.
Novel pulley device
2015-05-27
Patent
Electronic Resource
English
European Patent Office | 2021
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