10results about How to "Improve the rotation effect" patented technology

This utility model discloses a miniature ball bearing for a cooling fan, comprising an outer ring, an inner ring, a cage, a dust cover, and rolling elements movably disposed between the outer and inner rings. Both the inner and outer peripheral walls of the outer ring and the inner ring have circumferentially formed grooves for the rolling elements to move. Both ends of the inner peripheral wall of the outer ring have circumferentially formed stepped grooves for installing the dust cover. The connections between the grooves of the inner ring and the outer peripheral wall of the inner ring, and between the grooves of the outer ring and the inner peripheral wall of the outer ring, have chamfered edges. A retaining spring is provided in the stepped groove for an interference fit with the stepped groove. The inner wall of the retaining spring abuts against the outer wall of the dust cover, while the outer peripheral wall of the dust cover has a clearance fit with the inner peripheral wall of the stepped groove. The curvature coefficient of the grooves of the outer ring is greater than that of the grooves of the inner ring. This utility model solves the problems of traditional miniature ball bearings, such as increased bearing ellipticity due to dust cover installation leading to out-of-tolerance bearing ellipticity, and assembly damage during rolling element installation leading to unqualified rolling element vibration during bearing operation.

This utility model discloses a condenser assembly positioning device, belonging to the field of condenser manufacturing technology. It includes a positioning frame for supporting condenser assembly components. A second movable stage is slidably installed inside the positioning frame, and a rotating column is rotatably installed inside the second movable stage. A driven gear plate is installed on the outer periphery of the rotating column. An arc-shaped limiting groove is provided on the surface of the second movable stage. Four limiting posts for limiting are welded to the bottom of the rotating column, and the ends of the four limiting posts are slidably disposed inside the arc-shaped limiting groove. A support frame and an arc-shaped protective plate are welded to the top of the second movable stage. A motor is installed on the side of the support frame, and the output shaft of the motor is connected to a driving gear plate via a coupling. The outer periphery of the driving gear plate meshes with the outer periphery of the driven gear plate. This device can improve rotational capacity and positioning accuracy, and the increased rotational capacity can improve the continuity of the production line and increase production capacity.

The utility model provides a rotating assembly and a twisting machine. The rotating assembly comprises a base plate and a rotating plate. The chassis is provided with a supporting seat; the rotating disc is arranged on the upper side of the chassis and arranged on the outer side of the chassis in a sleeving mode. The upper surface of the rotating disc serves as a supporting face and is used for supporting the feet of a user. According to the twisting machine, the rotating disc is provided with the rotating seat, the rotating seat is rotatably connected to the supporting seat, the rotating disc rotates relative to the chassis along with twisting of the user, the rotating effect of the rotating disc is guaranteed, the situation that the rotating disc cannot rotate and is automatically twisted through the body of the user is avoided, and therefore the twisting effect of the user on the twisting machine is improved.

The utility model relates to the technical field of axial magnetic flux motors, in particular to a stator winding for an axial magnetic flux motor, which comprises an upper stator assembly and a lower stator assembly positioned below the upper stator assembly, and the upper stator assembly and the lower stator assembly are respectively composed of a left stator iron core and a right stator iron core. The left stator iron core and the right stator iron core comprise yoke parts, tooth parts and groove parts. The two ends of the surface of the left stator iron core and the two ends of the surface of the right stator iron core are both provided with the groove parts. According to the utility model, the upper stator assembly and the lower stator assembly are arranged above and below the rotor, and the upper stator assembly and the lower stator assembly cooperate with each other to increase the magnetic field of the rotor and improve the rotation effect of the rotor; and meanwhile, the upper-layer stator assembly and the lower-layer stator assembly are spliced and encircled into a ring by utilizing the left stator iron core and the right stator iron core, so that an N-S-N-S quadrupole magnetic field can be formed.

This application relates to the field of industrial robot component technology, and discloses a boom structure for a six-degree-of-freedom industrial robot, including a boom structure body. A flange three is fixedly sleeved on the top of the boom structure body, and a controller is installed at the bottom of the boom structure body. A sensor is welded to the bottom of the controller, and a steering assist structure is installed on the right side of the controller. The steering assist structure includes a flange one, a washer fixedly welded to the right side of flange one, and a rubber ring fixedly connected to the left side of flange one. Through the constraint of the washer, rubber ring, semi-arc plate, and ring ball inside the steering assist structure, flange two and flange one can be driven to rotate, which facilitates the left and right swaying of the boom structure body. Simultaneously, it drives the retaining ring to successfully engage in the limiting hole, increasing the rotational capacity of the boom structure body and reducing the phenomenon of jamming during rotation.

The utility model discloses a flange excess material cutting device, which belongs to the technical field of flange processing equipment and comprises a supporting table for supporting flange excess materials, a first motor for providing rotating force is arranged at the top of the supporting table, and an output shaft of the first motor is connected with a rotating disc through a coupler. A guide groove used for guiding is formed in the rotating disc, a threaded rod is rotationally installed in the guide groove, a rotary knob used for rotating is installed at one end of the threaded rod, a moving block is connected to the periphery of the threaded rod, and a limiting plate used for supporting is welded to the bottom of the moving block; according to the flange excess material cutting device, the rotating capacity of the excess material cutting device can be improved, the situation that the cutting device is likely to be blocked or unstable during rotating is prevented, the cutting speed is increased, and a notch is smoother.

This utility model relates to a high-concentration anaerobic reactor for organic wastewater, comprising a cylindrical body with a drain pipe connected to the bottom and a drainage pipe connected to the top. The top is equipped with an exhaust pipe and a return pipe, and a separator is installed inside. An inlet pipe at the bottom of the cylindrical body connects to an outlet pipe, and a guide pipe is provided on the outer periphery of the outlet pipe. A float is installed at the upper end, and a spiral blade is installed inside. The inlet pipe and outlet pipe are slidably fitted together, with the upper corrugated ring contacting the protruding ends of the lower corrugated ring. The liquid impacts the spiral blade, causing the outlet pipe to rotate. The guide pipe's orientation enhances the rotation effect, ensuring full contact between the liquid and sludge. Simultaneously, the water flow impact and buoyancy cause the corrugated ring to make intermittent contact, and the outlet pipe drives the guide pipe to stir, further promoting the sludge reaction. This utility model effectively improves reaction efficiency and quality through the rotating spray and up-and-down vibration of the outlet pipe, meeting the requirements for sludge treatment.

The utility model discloses a rewinding follow-up roller long-acting lubricating mechanism which comprises a follow-up roller, end shafts at the two ends of the follow-up roller are arranged on a lubricating assembly, the lubricating assembly comprises a lubricating body, an oil cavity is formed in one end of the lubricating body, an oil injection hole communicated with the oil cavity is formed in the side wall of the upper portion of the lubricating body, and a bearing is arranged in a cavity body of the oil cavity in a sleeved mode. An end shaft of the follow-up roller is fixed to a bearing inner ring, a sealing cover is arranged on the portion, located on one side of the oil cavity, of the lubricating body through bolt connection, and a sealing ring is arranged between the sealing cover and the lubricating body. The long-acting lubricating mechanism for the rewinding follow-up roller stores lubricating oil through the oil cavity, is matched with the oil injection hole to conveniently supplement oil, and is combined with the sealing cover and the sealing ring to form a reliable sealing structure, so that the leakage of the lubricating oil can be effectively reduced, the lubricating period is prolonged, and the maintenance frequency is reduced; meanwhile, the stable assembly structure of the bearing and the end shaft can improve the running stability and prolong the service life of the follow-up roller.

The utility model relates to the technical field of shaft sleeve machining, and discloses a grinding device for shaft sleeve machining, which comprises an I-shaped frame, a first electric push rod, a first bending plate, a first rotating shaft, a first rotating roller, a second rotating shaft, a second rotating roller, a driving part and a grinding part. During use, after shaft sleeves are placed on the second rotating rollers on the two sides and arranged outside the first rotating rollers in a sleeving mode, the first electric push rod is controlled to work, the first bending plate can be driven to move in the height direction of the I-shaped frame, and finally the first rotating rollers are made to press the shaft sleeves placed on the second rotating rollers on the two sides. And then the driving part is controlled to work, so that the first rotating shaft and the second rotating shafts on the two sides rotate reversely, and finally the first rotating roller is driven to rotate reversely while the second rotating rollers on the two sides are driven to rotate synchronously. Therefore, the first rotating roller and the second rotating rollers on the two sides can provide driving force for rotation of the shaft sleeve, the slipping phenomenon caused by insufficient friction force is reduced, and the rotating effect of the clamped and fixed shaft sleeve is improved.

The utility model relates to a hinged joint, especially relates to a replaceable plastic hinged joint of reinforced hollow square steel pipe high-strength concrete column-steel beam in the technical field of building engineering structure. Including reinforced hollow square steel pipe high-strength concrete column and steel beam, the reinforced hollow square steel pipe high-strength concrete column of vertical placement is welded through outer ring plate with the cantilever beam of horizontal placement, the both sides of cantilever beam web are separately equipped with cantilever beam web reinforcing plate, the both sides of steel beam web end portion are separately equipped with steel beam web reinforcing plate, the lateral side of the cantilever beam web reinforcing plate and steel beam web reinforcing plate of same side is equipped with web connecting plate, and the upper and lower flange of cantilever beam and steel beam is connected through flange connecting plate. The utility model will appear in two beam splicing place under the structure plastic hinge of earthquake, and the upper and lower flange connecting plate will yield deformation first, and the web connecting plate and pin shaft of middle part play the role of supporting middle beam. After the earthquake, only need to replace the upper and lower flange connecting plate, to reach the function of building structure rapid recovery.