Scalable gear fatigue testbed and stress cycle number calculation method thereof
A technology of fatigue test and scalability, applied in the field of gears, can solve the problems of unsuitable for large gear fatigue test, fixed span or small adjustment range, unsuitable for gear fatigue test, etc., to achieve simple and convenient measurement and calculation, high rotation speed The effect of wide range and fast test speed
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[0032] Such as figure 1 As shown, a scalable gear fatigue test bench includes: a loading part, a gear installation part and an upper top plate telescopic part;
[0033] The loading part includes an upper top plate 1, a screw base 9, a dust cover 10, a screw 11, a nut 12, a V-shaped block test thimble 13, a guide rail 14, a loading motor 15 and a loading motor base 16;
[0034] A guide rail 14 is provided on the upper top plate 1, and a lead screw base 9 is provided at both ends of the guide rail 14. In the lead screw base 9, a lead screw 11 is arranged above the guide rail 14, and is driven by a loading motor 15. The screw 11 is equipped with a nut 12 and a V-shaped block test thimble 13 on the nut 12; the material used for the V-shaped block test thimble 13 is hard alloy steel material, which has high hardness, wear resistance and impact resistance; the loading part The ball screw mechanism drives the screw 11 to rotate through the loading motor 15, the loading motor 15 is f...
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