Vertical type dry well mounting and sealing mechanism of speed reducer
A reducer, vertical technology, applied in the direction of engine seals, mechanical equipment, engine components, etc., can solve the problems of reducer oil seal aging and wear, insufficient thin oil, accelerated output gear and output shaft wear, etc.
Active Publication Date: 2011-08-17
ZHEJIANG TONGLI HEAVY GEAR
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Problems solved by technology
Due to the vertical installation of the reducer, the pressure on the oil seal is relatively high. The long-term operation of the reducer will cause the oil seal of the reducer to age and wear. , the worn oil seal is dissolved by the thin oil and leaks out along the output shaft, so that the thin oil in the box cavity is insufficient, the lubricity of the output gear and the output shaft is reduced, and the wear of the output gear and the output shaft is accelerated, and The dissolved oil seal leaks to the outside and pollutes its working environment
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[0015] Such as figure 1 , figure 2 The vertically installed sealed dry well mechanism of a reducer includes a box body 1, an output shaft 2, an output gear 3, an oil seal ring 4, a bearing 61 and a seal. The shaft 2 penetrates the cavity 11 of the box body 1 and extends to the outside of the box body 1. The output gear 3 is placed in the cavity 11 of the box body 1 and sleeved with the output shaft 2 to form a linkage. The oil seal ring 4 is placed in the The lower end of the output gear 3, the output part 21 of the output shaft 2 is provided with a bearing seat 6, and the bearing seat 6 is provided with a bearing 61 and an oil seal 62, and the end surface of the output gear 3 facing the oil seal ring 4 is provided with a slot 31 , the missing groove 31 is generally ring-shaped, the top of the oil sealing ring 4 extends into the missing groove 31, the output gear 3 covers the oil sealing ring 4, and its oil retaining surface increases, which is applied to the reducer and eff...
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The invention relates to a sealing mechanism, in particular to a vertical type dry well mounting and sealing mechanism of a speed reducer. The invention provides the following technical proposal that: the vertical type dry well mounting and sealing mechanism of the speed reducer comprises a box body, an output shaft, an output gear, an oil sealing ring, a bearing and a sealing piece; the output shaft penetrates through a cavity of the box body; the output gear is positioned inside the cavity of the box body and is sleeved with the output shaft to form linkage; the oil sealing ring is positioned at the lower end of the output gear; an output part of the output shaft is provided with a bearing seat; the inside of the bearing seat is provided with the bearing and an oil seal; the end face ofone end of the output gear facing the oil sealing ring is provided with a gap groove; the top end of the oil sealing ring extends to the gap groove; and clearance is reserved between the end face of the top end of the oil sealing ring and the inner end face of the gap groove of the output gear positively facing the end face of the top end of the oil sealing ring. Through the technical proposal, the invention provides the vertical type dry well mounting and sealing mechanism of the speed reducer, which is sealed, prevents rare oil from leaking and dissolving the oil seal, reduces the abrasion of the output gear and the output shaft and has high safety coefficient.
Description
technical field [0001] The invention relates to a sealing mechanism, in particular to a vertically installed sealing dry well mechanism for a reducer. Background technique [0002] The output end of the existing reducer mainly includes a box body, an output shaft, an output gear, an oil seal ring, a bearing and a seal. There is a cavity in the box body, and the output shaft penetrates the box body cavity and extends to the box body. Outside the body, the output gear is placed in the cavity of the box and sleeved with the output shaft to form a linkage. The oil seal ring is placed at the lower end of the output gear. Usually, the seal is sealed with a rubber oil seal. The service life of the oil seal depends on the operating environment and speed of rotation. Varies from 3 to 8 months. In industries such as medicine, chemical industry, food and environmental protection, the requirements for anti-pollution are relatively high, and there are strict requirements for the seal of...
Claims
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IPC IPC(8): F16H57/00F16J15/54F16H57/029
Inventor 李祖荣项建忠
Owner ZHEJIANG TONGLI HEAVY GEAR