3results about How to "Stable rotation" patented technology

This invention relates to the field of auxiliary positioning technology for construction molds, and discloses a centrifugal forming anti-deviation positioning device for pipe piles. The device includes a base, a support assembly on the upper surface of the base, a hydraulic cylinder fixedly connected inside the support assembly, a push plate fixedly mounted at the output end of the hydraulic cylinder, a limit cap fixedly connected to the top of a connecting column, a limit plate fixedly connected to the bottom of the connecting column, rollers installed on the inner wall of the limit plate, and a spring mounted on the outer wall of the connecting column. One end of the spring is fixedly connected to the lower surface of the push plate, and the other end is fixedly connected to the outer wall of the limit plate. In this invention, by activating the hydraulic cylinder to push the push plate downwards, the spring is compressed during the movement of the push plate, which limits the vertical displacement of the roller and stabilizes the rotation state of the roller. This prevents the roller from jumping up and down due to centrifugal force during high-speed rotation, ensuring stable centrifugal forming of the pipe pile and improving the forming quality.

The utility model discloses a novel drilling stabilizer, including stabilizer body, along the circumferential direction of stabilizer body, three equidistance's first recess are set up in stabilizer body lateral wall, and the lateral wall of stabilizer body between two adjacent first recess is set up with second recess, and the longitudinal rotation of second recess is provided with cylindrical roller, and the cylindrical roller surface is inlayed with alloy tooth, and the cylindrical roller surface is set up with spiral flow groove, and the interval and inlaying fixed of the spiral flow groove are set up with the tab, and the alloy tooth is distributed in the gap between the upper and lower spiral flow groove, and the both ends of cylindrical roller are respectively fixed with the frustum, and the side of frustum is fixed with the scraper. The utility model discloses the point contact design of multi alloy tooth, effectively reduces the friction resistance of contact part and well wall, and can automatically discharge the rock debris accumulated in the roller installation slot, avoids the rock debris blockage after long -time use and influences the normal rotation of roller, and the work stability of the roller rotation is stable, durable, and improves the working stability of drill rod.