71results about How to "Achieve self-rotation" patented technology

The invention relates to a red date conveying and turnover device applied to the conveying and automatic rotation of red dates during the detection and classification of the red dates. The red date conveying and turnover device comprises bearing shafts, red date limiting baffles, fastening screws, friction belts and conveying chains, wherein pin holes are formed in two sides of the bearing shafts, and the bearing shafts can be connected with the conveying chains and simultaneously can support the red date limiting baffles; one sides, close to the friction belts, on the bottoms of the red date limiting baffles are of a smooth arc shape, so that the friction between the red date limiting baffles and the friction belts is reduced, and the clamping is prevented; U-shape grooves are formed in one sides of the red date limiting baffles, so that the red date limiting baffles can be matched with the bearing shafts; and threaded holes are formed in one ends, opposite to the advancing direction of the conveying chains, of the U-shaped grooves, so that the red date limiting baffles can be fixed on the bearing shafts through the fastening screws, and the stability of the red date limiting baffles during the advancing is guaranteed. The red date conveying and turnover device is simple in structure, is mainly applied to the detection and classification of the red dates and has a certain practical value, and the production cost can be lowered.

The invention relates to an internal directional self-rotating impact initiation device used for oil and gas well completion. The guide sleeve is a part of the upper end of the impact initiation device. The azimuth key is fixed on the guide sleeve through welding. Connection, the detonator is placed inside the lower end of the impact detonating device, the directional connecting pipe is connected to the gun joint through the connecting union, the positioning plate is fixed inside the directional connecting pipe, and is connected with the directional connecting pipe and the orientation key on the guide sleeve through the positioning key Keeping the same axial direction, the above assembly components are placed inside the outer cylinder and supported by each bearing. The detonating device realizes the measurement of the perforation azimuth from the upper end of the detonating part of the perforating gun string, and effectively improves the accuracy of the inner directional positioning perforation. Based on the directional measurement method of the detonating device, the problem of internal directional and azimuth perforation measurement is solved.

The invention discloses a roll-dividing machine which comprises a machine frame, a driving device, a clamping device, a lighting device and a tensioning device. A whole cloth roll is placed on a first roller and a second roller of the driving device, the cloth is limited and compressed through compressing plates of the clamping device, one end of the cloth penetrates through a gap between the first roller and the second roller, and the cloth bypasses a tensioning roller and a redirection roller to be upwards lifted, is wound in an S-shaped mode through three pressing rods and is then pulled out. The roll-dividing machine is small in occupied area, automatic rotation of the cloth can be achieved, roll dividing can be rapidly conducted only with one operator, and labor is saved; in addition, the roll-dividing machine is simple in structure, low in manufacturing cost, high in working efficiency and capable of being widely applied to roll-dividing work, cost pressure can not be brought to an enterprise, and the cloth can not be damaged in the roll-dividing process.

The invention relates to the technical field of lithium battery production, and discloses new-energy automobile lithium battery welding equipment with a welding slag recovery device. The equipment comprises a machine frame, wherein a supporting block is arranged on each of the two sides of the bottom of the machine frame, and a connecting plate is arranged on the portion, on the inner sides of thesupporting blocks, of the bottom of the machine frame; a positive-negative motor is arranged at the top of the connecting plate, and a first transmission gear is arranged at one end of an output shaft of the positive-negative motor; and a threaded rod is arranged in the middle of the front surface of the machine frame, a driven gear is arranged at one end of the threaded rod, and an internal threaded sleeve is arranged in the middle of the threaded rod. According to the new-energy automobile lithium battery welding equipment with the welding slag recovery device, through mutual cooperation ofa rotating rod, a slag removing block, a driving motor and a second transmission gear, the slag removing block can rotate automatically, so that welding slag on the surface of a lithium battery doesnot need to be cleaned manually, the situation that certain danger to the hands during manual cleaning of the welding slag on the surface of the lithium battery is prone to occur is avoided, and the safety of workers is improved.

The invention discloses an eccentric self-rotating plugging type water sample collection device and method. The device comprises an unmanned ship, an electric cylinder is installed on the unmanned ship, the bottom end of a piston rod of the electric cylinder is connected with a sampler, the sampler comprises a support plate, and the bottom of the support plate is connected with an inclined U-shaped frame. A protection cylinder is hinged to the U-shaped frame through a pin shaft. A sampling pipe is mounted in the protection cylinder in a sleeving manner, a first magnet sheet is connected to one side of the U-shaped frame, and when the protection cylinder is adsorbed on the surface of the first magnet sheet, the protection cylinder is inclined; the U-shaped frame is connected with a second magnet piece, and when the protection cylinder is attracted to the surface of the second magnet sheet, the protection cylinder is in a vertical shape. The device further comprises a rotating plate, and the top of the rotating plate is hinged to the supporting plate through a rotating shaft. A torsional spring is arranged on the rotating shaft; and a plugging plate is slidably connected to the surface of one side of the rotating plate, and when the protection cylinder is in a vertical shape, the plugging plate is pressed at the pipe opening, so that plugging of the pipe opening is achieved. The whole sampling process is simple to operate, efficient, intelligent and convenient for remote control.

The invention aims at providing a tennis trainer which comprises a trainer rack, a launching mechanism and a horizontally-rotating mechanism. The tennis trainer is characterized in that the launching mechanism is fixed in the horizontally-rotating mechanism, and the trainer rack is positioned outside the horizontally-rotating mechanism and is connected with the horizontally-rotating mechanism. The tennis trainer has the characteristics of undemanding air pressure for tennis launching and high launching accuracy, and can realize the self rotation of the tennis and vividly simulation on playingtennis by human. Besides, the tennis trainer has the advantages of simple structure, lighter weight, high safety performance and lower overall cost.

The invention relates to a self-rotating clamping device used for rapidly changing an anvil for a forging press, which relates to an auxiliary tool of the forging press. The invention solves the problems of complicated structure, unbalanced stress of a clamping shaft and low anvil changing speed in the prior art. The invention is characterized in that the top end of the clamping shaft 1 is provided with a convex shoulder 1-2, and the middle part thereof is provided with a tooth 1-3 meshed with a moving sleeve 3; the upper end of the moving sleeve 3 is a plane 3-2, and the lower end thereof isa tooth 3-1; the moving sleeve 3 is sleeved above the tooth 1-3 of the clamping shaft 1; a compression spring 2 is arranged between the upper plane 3-2 of the moving sleeve 3 and the convex shoulder 1-2 of the top end of the clamping shaft 1; the surface of the moving sleeve 3 is symmetrically provided with four moving sleeve sliding slots 3-3; the surface of the tooth 1-3 of the clamping shaft is provided with four clamping shaft sliding slots 1-3-1 which correspond to the moving sleeve sliding slots 3-3; and four glidingly matched guiding edges 4 are respectively arranged in the moving sleeve sliding slots 3-3 and the clamping shaft sliding slots 1-3-1.

An automatic filling and extracting system is composed of a filling and extracting device, a barrel rotating device, a mouth-finding device, a barrel tilting device and a detection control part. It can realize automatic mouth finding, automatic barrel rotation, automatic barrel tilting, automatic filling and automatic extraction.

The invention discloses a middle school electrostatic dust removing and yarn winding demonstration device. The middle school electrostatic dust removing and yarn winding demonstration device is characterized in that the middle school electrostatic dust removing and yarn winding demonstration device comprises a rack; a rack platform is arranged on the rack; a yarn stranding frame is arranged to one side of the rack; the yarn stranding frame is wound with yarns; the front side of the rack is provided with a front guide device; the guide device includes two parallel guide rollers which are arranged sequentially along a vertical direction; a groove extending along the peripheral wall of the guide roller is formed at the middle of the guide roller; the yarns can pass through a space between the two grooves; two end portions of the guide roller are provided with pressing covers; the pressing covers at the two ends of the same guide roller are symmetrically arranged; the pressing cover is of an ring-shaped horn mouth structure; the outer peripheries of the pressing covers of the upper guide roller are of bent structures; the pressing covers of the lower guide roller are inserted at the pressing covers of the upper guide roller; and the rear end of the front guide device is provide with a spray device and a drying device sequentially. With the middle school electrostatic dust removing and yarn winding demonstration device provided by the technical schemes of the invention adopted, existing theories in books can be utilized. The middle school electrostatic dust removing and yarn winding demonstration device has the advantages of high intuitive performance and simple structure.

The invention discloses an oxygen-enriched side blowing smelting converter, and belongs to the field of smelter equipment. The oxygen-enriched side blowing smelting converter comprises a main converter body, a rotating device, supports and a side blowing device; the rotating device comprises a box, a gear, a rotating shaft, a rack and a hydraulic cylinder; and the side blowing device comprises three side blowing plates, a gas inlet passage and a gas inlet pipe, wherein the gas inlet passage is arranged at the top parts of the side blowing plates. According to the oxygen-enriched side blowing smelting converter disclosed by the invention, by installing the rotating device, the main converter body can rotate without using lifting equipment, and use safety is enhanced; by installing the sideblowing device, oxygen high in concentration is blown into the side part of molten steel, so that the molten steel located in the main converter body can be fully oxidized; and therefore, the oxygen-enriched side blowing smelting converter is capable of realizing rotation of the main converter body, is convenient to operate and high in safety, and has a good oxidation effect on the molten steel.

The invention belongs to the technical field of stainless steel product machining, and particularly relates to cold drawing equipment for stainless steel product machining. According to the scheme, the cold drawing equipment comprises an operation table and a fixing rod, and a pre-cold-drawing mold is fixedly connected to the outer wall of the bottom of the fixing rod. According to the cold drawing equipment for stainless steel product machining, through the arrangement of a molding cover, sliding blocks, hydraulic cylinders and molding plates, a guide groove is formed in the inner wall of the molding cover, in the pre-cold-drawing process of a stainless steel product, the hydraulic cylinders are adjusted to drive the molding plates to make contact with the outer wall of the stainless steel product, in the process of sliding on the outer wall of the stainless steel product along with the pre-cold-drawing mold, the molding plates extrude the stainless steel product, the cold-drawn stainless steel product is easy to deform, the outer wall of the stainless steel product is polished and molded through the molding plates, the situation that the outer wall of the stainless steel product is uneven is prevented, and in the process that the molding plates and the stainless steel product are mutually extruded, the sliding blocks slide in the guide groove, so that the molding plates realize self-rotation, and the molding effect on the stainless steel product is improved.

The invention relates to the technical field of cleaning equipment, and provides an ultrahigh-pressure water jet cleaning spray head. The cleaning spray head comprises a fixing base with a first through hole, a shell with a cavity, a rotating shaft with a second through hole and a spray head with a spray hole, wherein the spray hole is formed in a deflection mode, one end of the fixing base is connected with a water inlet high-pressure pipe, the other end of the fixing base is connected with the shell, the rotating shaft is arranged in the cavity and is in clearance fit with the inner wall ofthe cavity, one end extends out of the shell and is connected with the spray head, the other end is in clearance fit with the inner wall of the first through hole, the first through hole communicateswith the second through hole, a step is arranged in the cavity, a supporting part is arranged on the rotating shaft, the supporting part is matched with the step to limit and install the rotating shaft in the cavity, a rebound cavity is formed, a rebound hole is formed in the rotating shaft, the rebound hole communicates with the second through hole and the rebound cavity, and a centripetal conical groove is formed in the side, close to the step, of the supporting part and used for reducing centrifugal force deflection generated in the rotating process of the rotating shaft, improving the stability of axial rotation and prolonging the service life.