9results about How to "Avoid runout" patented technology

The utility model discloses a steel pipe derusting device relates to steel pipe processing technical field, the utility model discloses a rack is provided with two support rollers on the rotation of the rack, the first positioning block of adjustable position, second positioning block, limit support and mounting bracket are configured to the rack, the first positioning block is provided with the first positioning wheel of contact with the inner wall of steel pipe on the rotation, the second positioning block is provided with the second positioning wheel of contact with one end of steel pipe on the rotation, the limit support is provided with the tower wheel on the rotation, the utility model discloses when rusting to the outer surface of steel pipe, can carry out axial positioning and radial positioning to steel pipe, avoid the axial excursion and radial jounce of steel pipe rotation, improve the stability of steel pipe and rusting evenness, keep the contact pressure stability of steel wire wheel and steel pipe, avoid the steel pipe from the support roller, reduce the potential safety hazard, can also adapt to the steel pipe of different size simultaneously, improve the use flexibility and applicability, therefore have more practicality.

The present invention relates to the technical field of centrifugal forming of pipe piles and pipe sections, and in particular to a centrifugal, vibration, and roller-pressed composite forming device for prestressed concrete large pipe pile sections, comprising a pipe mold, a vibrator, a rotary support assembly, a support device, a driving device, a belt feeder, and a pressure roller; the pipe mold is arranged horizontally and cylindrically, and a cut extending along its axial direction is penetrated and opened on the peripheral wall of the pipe mold; the vibrator is used to drive the pipe mold to vibrate; the rotary support assembly is rotatably sleeved on the outside of the pipe mold to limit the axial and radial jumps of the pipe mold; the support device is used to support and limit the rotary support assembly; the driving device is used to drive the pipe mold to rotate inside the rotary support assembly; the belt feeder is used to evenly arrange the concrete inside the pipe mold; and the pressure roller is used to roll the concrete inside the pipe mold when the pipe mold rotates. The present invention solves the current problems of axial vibration and radial jump of the pipe mold.

The application discloses a kind of unwinding lever and automatic pusher, including support frame, unwinding lever assembly and left and right horizontal lever mechanism, the upper portion of left end and right end of support frame is equipped with a set of roller support device, which can slide forward and backward and overturn to the front upper, unwinding lever assembly is horizontally arranged along left and right direction, the outer circle of left end portion of unwinding lever assembly is rotatably connected to the top of roller support device on left side by left shaft positioning structure, the outer circle of right end portion of unwinding lever assembly is rotatably connected to the top of roller support device on right side by right shaft positioning structure, left and right horizontal lever mechanism is arranged on the front side of support frame.The application can prevent the radial jumping of mandrel, axial movement, reduce the wear of mandrel during unwinding, especially high-speed unwinding process, can ensure the stability of tension, after unwinding is completed, empty lever can be automatically pushed forward to roller conveyor, and transported to specified position by roller conveyor, so as to reduce labor intensity.

The application relates to the technical field of rubber manufacturing extrusion equipment, in particular to a nano-reinforced rubber connecting piece preparation device and method, which comprises a bottom support plate, a motor frame is fixedly connected to the right side of the bottom support plate, a motor is fixedly connected to the right side of the inner wall of the motor frame, an output shaft is fixedly connected to the output end of the motor, and an output fixing frame is fixedly connected to the top of the motor frame; the cooling mechanism is arranged, the nano-reinforced rubber is effectively prevented from being scorched or losing stability in size due to overheating, the adjusting mechanism is arranged to avoid insufficient cooling or excessive cooling, the reinforcing mechanism is arranged to significantly improve heat exchange efficiency, form secondary flow speed self-adaptive adjustment, and further strengthen the cooling capacity of an extrusion port, ensure the uniformity and stability of rubber connecting piece setting, the stable sleeve plate is arranged to ensure the smooth operation of turbine blades in the return flow pipe, thereby prolonging the service life of the reinforcing mechanism and reducing maintenance cost.

An adjustable supporting device relates to the technical field of carriers and comprises a supporting base, a supporting belt and a pressing arm. An arc-shaped notch is formed in the top of the supporting base, supports are arranged on the two sides, corresponding to the arc-shaped notch, of the supporting base, arc-shaped pressing arms are hinged to the tops of the supports, and hasp locks capable of being buckled correspondingly are arranged at the opposite ends of the two pressing arms. A flexible supporting belt is arranged in the arc-shaped notch of the supporting base, and the two ends of the supporting belt are correspondingly connected with the supporting base. The support is wide in application range, and the flexible support belt is arranged in the arc-shaped notch of the support base; when the diameter of the cylindrical object is small, the supporting belt can be automatically tightened, the pressing arm can effectively make contact with the cylindrical object and conduct radial holding and positioning on the cylindrical object, meanwhile, the supporting belt automatically adapts to the outer diameter of the cylindrical object, and the cylindrical object is prevented from rolling or jumping in the radial direction.

The novel belt pulley with the self-driven balance compensation mechanism comprises a main body and a front cover, a convex ring with an outer gear ring is arranged on the front face of the main body, a shaft hole is formed in the middle of the convex ring, a plurality of installation grooves are formed in the convex ring on the periphery of the shaft hole in an array mode, and a balance block is connected in each installation groove in a sliding mode in the radial direction of the convex ring. The front end and the rear end of each balance block are connected with a first spring and a second spring respectively, the end of each first spring and the end of each second spring are connected with the front end and the rear end of the corresponding installation groove respectively, and the front cover is fixed on the protruding ring to limit the front end and the rear end of each balance block. The device is more suitable for being used on a mechanism needing frequent speed regulation, and radial jumping can be avoided.

The invention relates to the technical field of gear pumps, in particular to a low-noise gear pump with a vibration reduction structure and a noise reduction method of the low-noise gear pump, and solves the problems that when an existing gear pump runs, a gear performs pressurized conveying on liquid to cause radial force impact on a shaft body, then the radial force of the shaft body is unbalanced, pulsation is large in the liquid flowing process, and noise is reduced. The device comprises a gear transmission mechanism and two center supporting mechanisms, a pump shell mechanism is installed on the outer side of the gear transmission mechanism, the two center supporting mechanisms are installed on the inner side of the gear transmission mechanism, the gear transmission mechanism comprises a driving shaft, a driven shaft is installed on one side of the driving shaft, and the driven shaft is installed on the other side of the driving shaft. And gears are fixedly arranged on the outer sides of the middle parts of the driving shaft and the driven shaft. According to the gear pump, the shaft body of the gear pump is centrally supported, so that the stability of liquid during pressurized conveying can be effectively improved, the conditions of unbalanced radial force and large liquid flow pulsation are reduced, and the vibration noise of the gear pump is effectively reduced.

This invention discloses an automated scanning, acquisition, and processing device for in-situ core logging data, relating to the field of oil and gas geological exploration technology. It includes: a sampling and analysis platform; a support device horizontally fixed to the sampling and analysis platform, on which a core is placed; a positioning and analysis device fixed to the sampling and analysis platform, located behind the support device and in contact with the top of the core; a protective cover fixedly connected to the rear wall of the sampling and analysis platform, located above the core, with a through-hole in the middle and multiple white light tube groups on the inner walls of the front and rear sides; and an equidistant sampling device fixed to the top of the protective cover, corresponding to the positioning and analysis device. This invention integrates sampling, scanning, and analysis, achieving efficient acquisition and accurate processing of core logging data, and improving the reliability of geological modeling.

This invention discloses a welding workbench for automotive turbochargers based on standardized processing, belonging to the field of turbocharger welding technology. It includes a base, on which a rotary chuck is slidably mounted. A pneumatic chuck is mounted on the side of the base away from the rotary chuck via a bracket. A first electro-hydraulic rod, connected at one end to the rotary chuck, is mounted on the side of the base away from the pneumatic chuck. Through the design of the base, chuck, auxiliary unit, and positioning unit, the invention precisely solves the technical pain points of traditional workbench use, such as cumbersome processing of extruded plastic metal and unstable clamping. The corresponding arrangement of the rotary chuck and pneumatic chuck achieves precise docking of the turbine shaft and turbine impeller. In conjunction with the second electro-hydraulic rod of the positioning unit, the upper pressure seat, the lower clamping seat, and the transmission engagement of the gear and rack, the turbine impeller, fixed by the pneumatic chuck, can be clamped in a wrap-around manner, effectively preventing radial runout of the impeller during high-speed rotational friction.