10results about How to "Stable rotation" patented technology

The utility model belongs to the field of winding devices, and particularly relates to an adjustable winding device which comprises a bottom plate. A first vertical plate is fixedly connected to the side wall of the top of the bottom plate; a second vertical plate is fixedly connected to the side wall of the top of the bottom plate; the first vertical plate and the second vertical plate are symmetrically arranged; by arranging a first electric push rod, a second electric push rod, a movable rod, a fixed seat, an adjusting plate, a fixed plate and a supporting rod, the diameter can be quickly adjusted to be proper according to the specification and winding requirements of polyester cotton yarns, the flexibility is beneficial for a production line to quickly adapt to production of the polyester cotton yarns of different batches or specifications, the overall production efficiency is improved, and the production cost is reduced. By arranging the supporting devices matched with different winding roller diameters, the winding rollers can be fixed from the inside, so that when polyester cotton yarns are wound by the winding rollers, a more stable rotating state can be kept, shaking or deviation caused by external factors is reduced, uniform tension and arrangement of the yarns in the winding process can be kept, and the winding quality of the polyester cotton yarns is improved. Therefore, the winding quality is improved.

The utility model discloses alloy material surface defect laser positioning and correcting equipment which comprises clamping shells which are fixedly mounted on the surface of a conveying belt body and are arranged at equal intervals, rotating rings which are symmetrically arranged are rotationally arranged in the clamping shells, and arc tooth rings which are capable of expanding in the radial direction are arranged on the rotating rings. And the arc tooth ring is also provided with an elastic belt which is circumferentially arranged and is deformed and stretched under the insertion matching of the alloy pipe. According to the laser positioning and correcting equipment for the surface defects of the alloy material, the alloy pipe is stably hooped through the inner walls of the arc-shaped racks, so that the alloy pipe is stably clamped and fixed, and the alloy pipe is rotated below the camera by being matched with the arc gear ring to be meshed with the transmission gear rod; the outer side wall of the alloy pipe can be covered by the recognition range of the camera, so that the purpose of efficient judgment is achieved, the alloy pipe can keep a stable rotating state in the process, the recognition accuracy is improved, and the qualification rate of a whole batch of pipe fitting products is guaranteed.

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 relates to the technical field of quartz crucible preparation, in particular to a quartz crucible preparation device which comprises a machine frame and an outer mold forming mechanism used for forming the outline of a crucible body, the machine frame comprises supporting legs, a rotating table is arranged at the tops of the supporting legs, and an eccentric mechanism for driving the rotating table to swing in a reciprocating mode is arranged on the lower portion of the rotating table. The head of the rotating table is provided with an inner mold forming mechanism, the inner mold forming mechanism comprises a driving assembly and a rotating machine head, the outer mold forming mechanism is arranged right below the inner mold forming mechanism in an opposite mode, a transfer cylinder containing liquid quartz is placed in the outer mold forming mechanism, and the tail of the rotating table is provided with a balance empennage. The inner mold forming mechanism and the outer mold forming mechanism are arranged oppositely, and a driving assembly and a rotating machine head of the inner mold forming mechanism can accurately control the movement and forming process of an inner mold. The inner and outer molds are accurately matched, so that the inner and outer walls of the quartz crucible can be uniformly stressed, the accurate forming of the outline of the crucible body is ensured, and the forming accuracy and quality of different types of quartz crucibles are realized.

The utility model belongs to the technical field of bearing rotation stopping devices, and particularly relates to an internal mixer bearing rotation stopping device which comprises a side support and a rotor, a bearing chamber is fixedly connected in the side support, a deep groove ball bearing is fixedly connected in the bearing chamber, and the rotor is fixedly connected with an inner ring of the deep groove ball bearing through interference fit. A positioning pin is connected into the bearing chamber through threads, the tail end of the positioning pin is connected with the outer ring wall of the deep groove ball bearing in an inserted mode, the upper section of a shaft body of the positioning pin is connected with a non-standard nut through threads, and the non-standard nut abuts against the bearing chamber. According to the utility model, a group of positioning pins are additionally arranged on the basis of mounting and fixing the original deep groove ball bearing, the positioning pins can be mounted from the upper part of the bearing chamber of the side bracket, and the tail ends of the positioning pins are inserted into the outer ring wall of the deep groove ball bearing, so that the effect of preventing the outer ring of the bearing from rotating is achieved.

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.

The invention relates to the technical field of bridge construction, in particular to a swivel monitoring and balancing system and method for a large-section wide-span rigid frame bridge. The two sides of the beam body are fixedly connected with a plurality of symmetrically-arranged pressure detection modules correspondingly, the outer side of the pressure detection module on one side is fixedly connected with a wind power balance module, and the other end of the wind power balance module is externally connected with air pump equipment. An angle adjusting module is installed on one side of the beam body, guide frames are installed on the two sides of the angle adjusting module, once wind blows and acts on an extrusion plate, the extrusion plate extrudes a sliding column, and the sliding column extrudes a pressure sensor, the extrusion acting force of approximate wind power can be measured; an external controller controls air pump equipment to drive air to be quickly discharged through a wind power balance module, counter-acting force generated when the air is discharged can extrude an extrusion plate on the leeward side, the extrusion plate drives a sliding column to extrude a pressure sensor, force similar to the beam body is applied to the two sides, at the moment, stable rotation of the beam body is guaranteed, and the influence of wind acting force is reduced.

The utility model discloses a high accuracy flat grinding diamond grinding wheel, specifically related to the technical field of grinding wheel, including diamond grinding wheel main part, diamond grinding wheel main part inside fixed mounting has the installation shaft sleeve, the installation shaft sleeve outside rotation is connected with the fixed ring, the fixed ring top fixedly connected with the connecting plate, the connecting plate top is provided with the cleaning mechanism, the cleaning mechanism includes the fixed shell, the fixed shell is fixed in the connecting plate top, the fixed shell top fixedly connected with the fixed plate. The utility model avoids the impurity blockage grit gap or the interference cutting process, guarantees the grinding wheel sustained stable grinding ability, and then improves the workpiece surface finish, and the cleaning effect avoids the cutting deviation caused by the impurity, makes this flat grinding diamond grinding wheel still can keep higher processing accuracy in the long -term use process, improves the qualified rate of product, especially suitable for the precision machining field of higher precision requirement.

The utility model discloses an asphalt stone cleaning and conveying device which comprises a box body and a belt conveyor, supporting legs are installed on the periphery of the lower end of the box body, a discharging opening is formed in the lower end of the box body, the lower end of the box body is connected with a discharging cover corresponding to the discharging opening in position, and the belt conveyor is connected with the discharging cover. A discharging cover is arranged on the upper portion of the box body, a belt conveyor is arranged on the lower portion of the discharging cover, two supporting plates are installed in an inner cavity of the box body, and a rolling washing mechanism is jointly and rotationally connected between the two supporting plates. And meanwhile, spray nozzles are spirally arranged and mounted on the spray washing mechanism to spray water to wash the stone, so that water in a water pipe is effectively discharged from multiple angles at the same time, stone in different directions can be conveniently sprayed and washed, the impurity and soil washing efficiency is effectively improved, and the washing effect is improved.