1results about How to "Reduce radial force" patented technology

The utility model discloses elevator speed governor action speed detection platform, including quick locking assembly, quick locking assembly includes concave strip and convex strip, the outer ring of main shaft rod four -around fixed installation concave strip, the outer ring of external connection axle four -around fixed connection convex strip, convex strip protruding end activity joint concave strip groove end, quick locking assembly still includes rectangular groove, dismounting spring, clamping block and clamping groove, the middle part of convex strip is seted up rectangular groove, and dismounting spring and clamping block are connected in rectangular groove, and clamping block is located above dismounting spring, and the middle part of concave strip is seted up clamping groove, and clamping block is connected in clamping groove. The utility model can guarantee the concentricity of main shaft rod and external connection axle through the accurate matching of geometric shape, reduce the eccentric problem of shafting caused by bolt hole error or uneven assembly, reduce additional radial force and vibration, make motor output speed more stable, thereby improve the precision of speed governor action speed detection.