19results about How to "Stable rotation" patented technology

The invention relates to the technical field of textile machinery, in particular to an electronic jacquard cam rotating mechanism stable in operation, which comprises a rack and a cam roller group rotatably arranged on the rack, and a lubricating device for stably lubricating a rotating shaft of the cam roller group is arranged on the rack. According to the lubricating device, the mounting ring in which lubricating oil is stored is mounted on the rotating shaft, the lubricating channel is opened through the switching mechanism, the lubricating oil can be uniformly sprayed to the rotating shaft through the oil spraying nozzle, so that the rotating shaft can be lubricated during rotating, and the rotating shaft can keep stable rotating work all the time; abrasion of the rotating shaft in the long-term rotating working process is reduced, the service life of the rotating shaft is prolonged, and the continuous and accurate weaving capacity of needle lifting is guaranteed.

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 utility model discloses a cutting device for producing motor shafts, relating to the field of motor shaft processing technology. The utility model includes a worktable, a cutting assembly and a rotating assembly mounted on the worktable. The cutting assembly includes a transmission frame rotatably mounted above the worktable via a bearing seat, a drive motor mounted at the tail of the transmission frame, a cutting tool mounted at the front of the transmission frame, and a cylinder for adjusting the rotation of the transmission frame relative to the bearing seat. The rotating assembly includes a transmission seat fixed to the edge of the worktable, a clamp fixed to the front of the transmission seat, a transmission belt for driving the rotation of the transmission seat, and a rotary motor. The motor shaft passes through the clamp and the transmission seat, and the clamping jaws of the clamp hold and fix the motor shaft to its circumference. This utility model, through the coordinated operation of the cutting assembly and the rotating assembly, achieves automatic rotation and precise cutting of the motor shaft, facilitating uniform and continuous cutting operations by the cutting tool.

The invention discloses an environment-friendly range hood based on a dynamic smoke dust separation technology, and belongs to the technical field of oil smoke separation. Comprising a shell, a motor, an impeller, a smoke exhaust mechanism, a dust removal mechanism, a sensor and a controller, the impeller is rotationally installed in the shell and driven by the motor, the smoke exhaust mechanism comprises a filter screen and a connecting assembly, the filter screen and the impeller are coaxially and rotationally installed through the connecting assembly, and the filter screen is a diamond mesh oil filter screen formed by interweaving multiple sets of curves; the dust removal mechanism comprises a brush and an opening and closing mechanism, the opening and closing mechanism is arranged on the shell and used for adjusting the working angle of the brush, and the sensor is used for detecting the smoke concentration around the range hood. The smoke and dust separation of the smoke exhaust ventilator is realized, dust in the smoke is effectively separated, the exhausted gas is purified, the pollution to outdoor air is reduced, the accumulation speed of the smoke and dust on the filter screen is reduced through the arrangement of the brush, and the cleaning and maintenance cost of the smoke exhaust ventilator is further reduced.

The pneumatic chuck comprises a fixing plate, a transmission mechanism is installed at the bottom of the fixing plate, the transmission mechanism comprises a motor, a connecting lantern ring is fixedly welded to the output end of the motor, and a first rotating gear is rotationally connected to the outer surface of the connecting lantern ring through a bearing; the outer surface of the first rotating gear is fixedly sleeved with a belt wheel, a second rotating gear is arranged at the position, close to the edge of one side, of the interior of the belt wheel, and the second rotating gear and the first rotating gear are connected with the belt wheel in a meshed mode. And a connecting rod drives a fixing base and a fixing rod to rotate, a planetary gear rotates in an outer ring sleeve ring in a graded mode, the planetary gear is more stable, clamping use is conducted through a limiting clamping groove, a clamping block can be limited through a top limiting block, and the device is more stable to use.

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 banana farm fertilizer and water stirring system with adjustable stirring height, which comprises a stirring pool, a stirring device and a power device, the stirring device comprises a stirring shaft, a stirring rod and a sliding sleeve, the sliding sleeve is slidably mounted on the stirring shaft, and a locking screw is mounted on the side surface of the sliding sleeve; the stirring rod comprises a first connecting rod, a second connecting rod and a third connecting rod, the lower end of the first connecting rod is hinged to the lower end of the stirring shaft, and the upper end of the first connecting rod is hinged to the lower end of the second connecting rod; the upper end of the second connecting rod is hinged to the lower end of the third connecting rod; the upper end of the third connecting rod is hinged to the side face of the sliding sleeve. The hinged parts formed by the first connecting rod, the second connecting rod, the third connecting rod, the stirring shaft and the sliding sleeve are hinged in a shaft hole connection manner, and a shaft and a hole which are connected through the shaft hole are horizontally arranged. The stirring device has the advantages of simple structure, convenience in use, wide application range and the like, and the highest stirring height of the stirring rod can be adjusted up and down.

The utility model discloses an electric vehicle accessory surface flushing device, and relates to the technical field of electric vehicle accessory cleaning, the electric vehicle accessory surface flushing device comprises a base, the outer surface of the top end of the base is fixedly connected with a processing groove, the two sides of the top of the base are fixedly connected with placing frames, and the inside of the top end of the processing groove is fixedly connected with a connecting plate; the bottom of the connecting plate is fixedly connected with a driving motor, the top of the connecting plate is fixedly connected with a fixing seat, the driving gear drives the driven gear to rotate, the guide groove guides the motion trail of the driven gear, when the device cleans accessories, the storage table can drive the accessories to rotate, and therefore the accessories can be cleaned conveniently. According to the accessory cleaning device, automatic rotation of accessories is achieved through the driving motor, the cleaning efficiency is improved, the stability of the motion trail of the driven gear is ensured through the guide groove in the bottom, the accessories can be kept in a stable rotation state in the cleaning process, and the cleaning effect is further improved.

The present invention relates to the field of ceramic forming, and specifically to an automated ceramic production device, which comprises a rolling station and a die-in and die-out conveyor belt, a mud-throwing station, a die-out conveyor belt and a material-unloading station arranged around the rolling station. A die-shifting assembly is arranged at the front end of the rolling station, and the die-shifting assembly comprises a retracting base and clamping arms arranged on both sides, the clamping arms are provided with a plurality of side wheels and are connected with an opening and closing assembly. The rolling equipment is provided with a turntable to drive the mold to rotate under the clamping of the side wheels, and the top of the turntable is planar. The present invention arranges the automated production process around the rolling station, so that the overall layout is relatively square on the basis of retaining the process sequence, and the die-in and die-out conveyor belts do not have a customized attribute and can be adjusted and replaced according to actual needs, so that the layout is more controllable, and a planar turntable is used to drive the mold to rotate, so that the mold is on the same or similar horizontal plane when moving and working, so as to avoid the situation where the mold is stuck in the conveying structure during movement.

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 rotary feeding device for the electric arc furnace comprises a feeding rotary pipeline and a base, a spiral track is arranged in the feeding rotary pipeline, the exterior of the feeding rotary pipeline is connected with the base through a rotating device, and the rotating device drives the feeding rotary pipeline to rotate along the axis of the pipeline. The feeding rotary pipeline and the horizontal plane form an inclined angle, and the arrangement height of a feeding port of the feeding rotary pipeline is larger than that of a discharging port of the feeding rotary pipeline. The waste steel preheating device has the beneficial effects that the problems that in the prior art, waste steel is heated unevenly, and the heating effect is poor are solved, the waste steel is rotated through the feeding rotating pipeline, hot air can fully heat the waste steel, and the preheating effect is effectively improved. And on the basis, the overall structure of the feeding device is further designed and adjusted, so that the feeding device can stably rotate and operate, feeding operation is facilitated, the working efficiency of electric arc steelmaking is effectively improved, and the feeding device is suitable for popularization and application.

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.

The invention belongs to the technical field of energy-saving pumps, and particularly relates to an environment-friendly energy-saving pump with a multi-section supporting and stabilizing pump shaft structure, which comprises a pump head, a rotating shaft is mounted at the axis in the pump head, a plurality of groups of impellers are mounted on the rotating shaft, the water inlet end of the pump head is connected with a filter cover, and the water outlet end of the pump head is connected with a first lifting pipe. The end, away from the pump head, of the first lifting pipe is connected with a second lifting pipe, and the two ends of the first lifting pipe and the two ends of the second lifting pipe are designed to be flange plates. Through the arrangement of the supporting assembly, in the working process of the transmission shaft, a first conical surface protrusion and a second conical surface protrusion on the lining pipe can be attached to a first limiting ring and a second limiting ring on the limiting pipe all the time under the action of a compression spring, and therefore it is guaranteed that the lining pipe and the limiting pipe are kept coaxial all the time; and therefore, the transmission shaft can be kept in a stable rotating state under the matched limiting action of the lining pipe and the limiting pipe.