High-bearing and long-life cross-shaft universal joint
A cross-shaft universal, long-life technology, applied in the field of universal joints, can solve the problems of high contact stress between needle rollers and cross-shaft journals, so as to improve the life of cross-shaft universal joints, improve oil storage capacity, and reduce contact effect of stress
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[0016] The present invention will be described in detail below in conjunction with accompanying drawing:
[0017] Embodiment: As shown in the accompanying drawings, this kind of high-load and long-life cross shaft universal joint mainly includes a cross shaft 1, an outer ring 2, a needle roller 3, a sealing ring 4, a U-shaped groove 5, and four parts of the cross shaft 1. A U-shaped groove 5 is designed on the journal, and the needle roller 3 is installed in the U-shaped groove 5, and the needle roller 3 is covered with the outer ring 2, and the sealing ring 4 is installed between the outer ring 2 and the journal of the cross shaft 1 to seal Needle Roller 3. The U-shaped groove 5 is arc-shaped, so that the contact form between the needle roller 3 and the journal of the cross shaft 1 is changed from "convex to convex" to "convex to concave", which can effectively increase the contact area. At the same time, the U-shaped groove 5 can also improve the ability of the journal surf...
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