144 results about "Rotational joint" patented technology

This utility model discloses a ball mill that allows material feeding and discharging without stopping the machine. It includes a drum driven by a motor and its reducer, with a main feed inlet on the side of the drum and a control valve thereon; at least one auxiliary feed inlet on the end face of the drum; a fixed outer tube; and an inner tube installed at the center of the drum's end face and rotating synchronously with the drum. The inner tube contains a centrally located main feed channel and peripheral auxiliary feed channels arranged side-by-side. The inner end of the main feed channel is connected to the drum's inner cavity via a main feed guide pipe and a main feed inlet, while the outer end of the main feed channel is connected to the outer tube along the inner tube's axial direction via a first rotary joint. The inner end of the auxiliary feed channels is connected to the drum's inner cavity via an auxiliary feed guide pipe and an auxiliary feed inlet, while the outer end of the auxiliary feed channels is connected to an auxiliary feed inlet / outlet pipe along the inner tube's radial direction via a second rotary joint. This design ensures smooth feeding and discharging of both main and auxiliary materials in the drum without stopping the machine; prevents material leakage during high-speed drum rotation; and improves the ball mill's applicability and production efficiency.

The application relates to the technical field of film drying, and discloses a drying and forming device for films, which comprises a shell, two groups of cooling cylinders are rotatably installed in the opposite inner walls of the shell, rotary joints are installed at the two ends of the two groups of cooling cylinders, connecting pipes are installed on the sides, away from the corresponding cooling cylinders, of each rotary joint, and the two cooling cylinders are staggeredly arranged, the two groups of staggeredly rotating cooling cylinders are arranged in the shell, drying mechanisms are arranged on the two sides of the corresponding cooling cylinders, and the film material can be subjected to regional and adjustable drying treatment during movement; when the film passes through the staggeredly arranged cooling cylinders, film sections with different thicknesses can obtain differential heat dissipation effects due to the difference in contact area with the cooling cylinders; in cooperation with the drying mechanisms, the thin-wall region can be prevented from being damaged due to excessive heating, and the thick-wall region can be ensured to be fully dried, so that the uniformity and yield of film material drying and forming are improved, and the problem of poor adaptability of traditional devices to film thickness changes is effectively solved.

This utility model relates to the field of rotary joints, specifically to a rotary joint that can be used as a drive end. It includes a rotating central shaft, comprising an upper transmission part and a lower transmission part connected to a rotating mechanism. The rotating central shaft also includes an inlet and an outlet that are interconnected. A bearing is also included. A housing includes a mounting groove for mounting the rotating central shaft and a feed pipe for supplying material to the inlet, allowing the material to be discharged from the outlet. A connecting flange is located at the end of the lower transmission part away from the upper transmission part, and the connecting flange is adapted to connect to a stirring mechanism. The rotating central shaft passes through the housing. The side of the rotating central shaft is rotatably connected to the housing via the bearing. This utility model provides a rotary joint that can be used as a drive end, combining the rotary joint and the drive part of the stirring mechanism into one, reducing device costs. Because the rotary joint rotates while simultaneously conveying material, it improves the thoroughness of material mixing after stirring.

The invention relates to a tamping assembly (7) for tamping sleepers (3) of a track (2), in particular a switch, having a height-adjustable tool carrier (14), on which tamping tools (18) which can be set to vibrate by means of drives (22, 23) and can be brought together and have tamping tines (28, 29) are mounted, wherein at least one tamping tool (18) for laterally pivoting up the tamping tines (28, 29) comprises two tamping tine holders (25, 26) that can be pivoted about a common axis of rotation (27) by means of a rotary joint (24). At least one joint section (32) of the one tamping tine holder (25, 26) is mounted on a rotationally symmetrical joint section (32) of the other tamping tine holder (26, 25). In this way, the joint sections (32) of the two tamping tine holders (25, 26) engage in one another such that a streamlined design is achieved.

1. Name of the product in this design: Workbench (Rotary Hydraulic). 2. Purpose of this design: To enable the frame to rotate around the center of the frame on a rotating worktable and to disassemble the roller ring by setting a rotary joint on a rotating platform. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This utility model discloses a floating sealing structure for a high-speed rotary joint, including a rear cover, a front cover, and a sleeve. The front cover has a medium inlet at the end furthest from the rear cover. A rotating hollow shaft is rotatably connected within the mounting cavity. The front cover has a telescopic cavity at the end facing the rear cover, within which a floating hollow shaft is slidably fitted. A static sealing ring is located at the end of the floating hollow shaft facing the rotating hollow shaft, and a dynamic sealing ring is located at the end of the rotating hollow shaft facing the floating hollow shaft. The front cover has a reset unit. The floating hollow shaft and the rotating hollow shaft are coaxially arranged. This high-speed rotary joint's floating sealing structure uses separate dynamic and static sealing rings, allowing them to separate when no medium is being transported, preventing contact and friction between the dynamic and static sealing rings and avoiding excessive heat generation. When transporting medium, the high-pressure medium overcomes the spring force, pushing the floating hollow shaft until the dynamic and static sealing rings come into contact and rotate to seal.

The utility model relates to milling spindle technical field, and disclose a kind of milling spindle structure, including tool changing cylinder, the outer wall of tool changing cylinder is equipped with swivel joint, the outer wall of tool changing cylinder is connected with proximity switch, the outer wall of tool changing cylinder is connected with lifting ring, the outer wall of tool changing cylinder is equipped with encoder, the outer wall of tool changing cylinder is equipped with motor, the outer wall of motor is equipped with water inlet, the outer wall of motor is equipped with water outlet, the outer wall of motor is connected with main shaft body, this milling spindle structure, through the mutual cooperation of main shaft body, inner shaft and motor on device, so that device is not same with traditional equipment, utilize motor and post on main shaft body, make the direct connection of main shaft body and motor as a whole, and utilize motor directly to provide power for main shaft body, and make the inner shaft in the inner cavity of main shaft body rotate, to avoid the power attenuation from the limit speed power provided by motor, avoid power energy loss on the structure such as transmission belt.

The utility model relates to metallurgy, chemical equipment sealing connection technical field, concretely is sleeve furnace rotary joint double -sealed leakproof structure, including static pipe and rotating pipe, and the integrated connection pipe that goes into the inside of static pipe is formed on rotating pipe, and one sealed bearing is installed on the inner ring wall of connection pipe, and the integrated connection ring that is connected with sealed bearing is formed in static pipe. The utility model discloses a sealed bearing is arranged on the inner ring wall of the connection pipe of rotating pipe, and the interference fit of its outer ring and connection pipe, inner ring and static pipe connection ring forms first heavy sealing, and the structure of the annular sealing groove is set up simultaneously in the outer ring wall of connection pipe, and the sealing convex ring of cooperation outer sealing pipe forms second heavy rotary seal, and the leakproof performance of rotary joint is improved significantly in double -sealed structure, the threaded connection mode of outer sealing pipe and static pipe, the close adhesion of sealed convex ring and annular sealing groove is guaranteed, and it is convenient to install and maintain, realizes the reliable sealing when static pipe and rotating pipe relatively rotate.

The utility model relates to an enameled wire production equipment technical field especially relates to a kind of enameled wire painting wire rod cooling traction device, and multiple wire rod cooling traction devices are connected with factory centralized cooling equipment respectively;The wire rod cooling traction device includes cooling traction roller shaft and multiple wire guide wheels, and multiple wire guide wheels are used to guide enameled wire to bypass cooling traction roller shaft;Cooling liquid cavity is arranged in the cooling traction roller shaft, one end of the cooling traction roller shaft is provided with swivel joint, the cooling liquid cavity is connected with the swivel joint, and the swivel joint is connected with cooling water inlet pipe and outlet pipe, and the cooling water inlet pipe and the outlet pipe are connected with the factory centralized cooling equipment respectively. It has the characteristics that enameled wire cooling effect is good and equipment is simple and easy to maintain.

This utility model discloses a gynecological cleaning structure, relating to the field of medical device technology. It includes a mixing chamber, with a toothed ring fixedly connected to the inner wall of the mixing chamber. A rotating tube is rotatably connected to the top of the inner wall of the mixing chamber. Spray nozzles are fixedly connected at equal intervals to the bottom of the rotating tube, below the toothed ring. A long strip-shaped horizontal plate is fixedly connected to the outer side of the rotating tube, above the toothed ring. The beneficial effects of this utility model are: by setting up a mixing chamber with two stirring shafts and driving them through gears and the toothed ring, this utility model can not only drive the stirring shafts to rotate on their own axis but also to revolve around the central axis, thereby improving the mixing effect between the medicine and water, thus ensuring the therapeutic effect. Simultaneously, by setting a rotating tube with a rotary joint and spray nozzle inside the mixing chamber, the inner wall of the mixing chamber can be quickly cleaned, thus avoiding cross-infection and facilitating practical application and operation.

This invention belongs to the field of non-standard automated equipment technology, and provides a drilling device for oblique holes on the outer wall of a nut, solving the problems of traditional equipment's difficulty in processing oblique holes in nuts, unstable positioning, and low automation. The device includes a machine base, a rotating disk, fixed components, a pre-drilling assembly, a drilling assembly, a chamfering assembly, a deburring assembly, a material sorting assembly, and a loading assembly. Fixed components with positioning grooves are arranged circumferentially on the rotating disk. The fixed components are clamped by cylinders and equipped with pneumatic rotary joints to prevent air hose entanglement. The pre-drilling assembly achieves precise positioning of the oblique hole through a positioning block embedded in an opening and guided by a guide sleeve. An electric cylinder drives a central drill to rotate and cut. The drilling assembly is equipped with a tool breakage sensor to determine the workpiece's qualification based on its drilling condition. After the workpiece sequentially completes pre-drilling, drilling, chamfering, and deburring, the material sorting assembly automatically sorts qualified and unqualified products. This invention achieves fully automated processing of oblique holes in nuts, with reliable positioning, high precision, and good continuity, making it suitable for mass production.

The application relates to a vehicle-mounted cup slot suspension table and belongs to the technical field of vehicle-mounted accessories. The vehicle-mounted cup slot suspension table comprises a base, a telescopic assembly, a driving assembly, a cantilever assembly, a rotary joint and a storage plate; the base is provided with a containing cavity and a sliding groove; the telescopic assembly comprises a rotating rod, a nut, a transmission piece and a sliding block, the rotating rod is threadedly connected with the nut after penetrating through the base, the transmission piece is hingedly connected with the nut and the sliding block respectively, and the sliding block is arranged in the sliding groove; the driving assembly is used for driving the rotating rod to rotate; the cantilever assembly is embedded on the rotating rod through a first bearing, the fixed end of the rotary joint is connected with the cantilever assembly, the free end of the rotary joint is connected with the storage plate, and the storage plate has a horizontal working surface used for placing objects. The scheme provided by the application can realize stable support on the cup slot through thread transmission driving of the radial movement of the sliding block, and the combined structure of the cantilever assembly and the rotary joint enables the storage plate to rotate in multiple directions, so that the technical defects of single angle of the existing vehicle-mounted table, incapability of considering object placing and multi-scene use are solved.

The utility model relates to the field of building construction equipment, and specifically relates to a high-altitude large-span type steel support mould frame, including support frame, positioning plate, adjusting portion and section steel, the support frame is placed horizontally on the work ground, the positioning plate cross section is square, and the positioning plate is fixed centrally in the top of support frame through high -strength bolt, the adjusting portion includes the flat plate fixed centrally in the upper end surface of positioning plate, the upper end surface of flat plate is fixed and installed with the support rod symmetrically, the top of two support rods is fixedly installed with the top plate, the inside of top plate is centrally provided with the round hole, the hollow sleeve is rotatably installed in the round hole, the inside of hollow sleeve is installed with the threaded rod through screw thread cooperation, the bottom end surface of threaded rod is fixedly installed with the limit stop, and the both ends of limit stop are all socketed in the outer wall of two support rods, the top end surface of threaded rod is fixedly installed with the disc, and the disc is connected with the support plate through the swivel joint in the directly upper side, the utility model has the characteristics of height adjustable, high practicality.

This utility model discloses a thin-walled guide sleeve groove cutting device, including a housing. The annular groove on the left wall of the housing is rotatably connected to the annular slip ring on the outer arc surface of a cylinder. A chuck is provided at the right end of the cylinder. A pair of symmetrical guide rods are fixedly connected between the left and right inner walls of the housing. An adjustment platform is slidably connected between the guide rods. An adjustment block is slidably connected to the upper end of the adjustment platform. A cutting blade is provided at the left end of the adjustment block. The device also includes a debris cleaning mechanism. The debris cleaning mechanism includes a bearing, an air pipe, a nozzle, a rotary joint, and a connecting pipe. The air pipes are rotatably connected between the left and right inner walls of the housing via the bearing. The outer wall of the air pipes is provided with evenly distributed nozzles. A rotary joint is provided at the right end of the air pipes. This thin-walled guide sleeve groove cutting device eliminates the need to open the housing door during cleaning, preventing debris from flying out during the cleaning process and reducing manual workload. Multiple nozzles clean the debris, resulting in better cleaning effect.

The utility model discloses a printing machine dust cleaning device, including first support and second support, the bottom fixed connection of second support has first motor, and the output shaft fixed connection of first motor has third support, the left -hand side fixed connection of third support front has swivel joint, and the rear end fixed connection of swivel joint has the rotating roller, the left -hand side of rotating roller inner surface is equipped with multiple equidistance distribution's dust absorption groove. The utility model discloses through the bolt from the installation hole place and goes out and fixes the mounting bracket at the bottom of work platform, and the telescopic control of second hydraulic rod can drive rotating roller to move up and down, and the telescopic control of first hydraulic rod can drive rotating roller to move left and right, and the rotation control of second motor can drive rotating roller to rotate through single -sided tooth synchronous belt, can make sponge board and the top of work platform or the bottom of shower head contact, simultaneously, people also can make the brush sustained rotation to facilitate to clean the work platform and shower head and handle.

The utility model relates to a loading and unloading arm accessory technical field especially a kind of loading and unloading arm swivel joint, including inner ring, outer ring is movably sheathed in inner ring outer side, flange ring is assembled with inner ring and outer ring same side, lining ring is movably assembled between inner ring and outer ring, and steel ball is arranged between lining ring and outer ring to reduce resistance.The loading and unloading arm swivel joint of the utility model increases a replaceable lining ring in annular raceway, annular transmission groove is also similarly processed on lining ring, the hardness of annular transmission groove surface is increased by quenching heat treatment, steel ball and the annular transmission groove contact of lining ring, and the longer service life can be realized by mutual cooperation;In long-term use, lining ring or steel ball wear can be directly replaced, without replacing rotating bearing main body, improve economy.

This utility model relates to an automatic tamping device for refractory linings of large medium-frequency furnaces. It includes a positioning cylinder and a tamping mechanism. The positioning cylinder is a cylindrical tube open at both ends, with several ventilation holes on its wall. The tamping mechanism includes a base plate with at least three sets of pneumatic vibrating hammers evenly distributed along its bottom edge. A shaft hole is located at the center of the base plate, and a boss is located at the shaft hole. A gear ring is mounted on the outer ring of the boss. A main shaft is installed inside the shaft hole, and its outer wall is rotatably connected to the base plate via bearings. A through hole is located at the center of the main shaft, and a main air pipe is installed inside the through hole. A rotary joint is connected to the bottom end of the main air pipe, and a branch air pipe is provided at the rotary joint corresponding to each set of pneumatic vibrating hammers. A support plate is provided on the upper outer wall of the main shaft, and a drive motor is mounted on the support plate. A drive gear is mounted on the output end of the drive motor, meshing with the gear ring. A lifting connector is provided at the top of the main shaft. This utility model improves work efficiency and ensures the quality of the refractory lining.

The utility model relates to the technical field of ground treatment equipment, and disclose a vibrator with modularized jar head, including shell subassembly, jar mechanism, wherein, shell subassembly contains combination shell, assembly groove, rotating seat, jar mechanism contains threaded pipe joint, swivel, water jet pipe, hollow shaft, connecting block, eccentric block, shock support, submersible motor, pulley, transmission belt, and combination shell is multistage modularization structure, and each section is connected through flange, and buckle splicing or threaded joint mode adapts splicing. The utility model discloses through combination shell multistage modularization design, and the rotation of cooperation jar mechanism and rotating seat adapts, and can be segmented dismounting, and the replacement damaged component, and the maintenance difficulty and cost are greatly reduced, and the equipment downtime is shortened, and the engineering construction continuity is improved.

This utility model provides a hand-cranked water pipe reel for a tunnel boring machine (TBM) with a damping adjustment mechanism, relating to the field of TBM equipment technology. It includes a base and a pair of guide wheel mechanism mounting plates. The base is bolted between the guide wheel mechanism mounting plates. A base is mounted on the top of the base, and a reducer bracket and a rotary joint bracket are respectively mounted on the top of the base. Both the reducer bracket and the rotary joint bracket have lifting eye holes on their tops. A limit switch mounting plate is mounted on the side wall of the reducer bracket, and a cam limit switch is mounted on the limit switch mounting plate. Reducer mounting plates are welded between the inner walls of the reducer bracket. A damper mounting plate is mounted on one side of the reducer mounting plate via a fastener. This device has a novel overall design and simple structure, and is therefore worthy of widespread promotion and use.

The utility model relates to the field of industrial automation production especially, a kind of FC support pipe point gum twist mechanism, including support, displacement component, lifting assembly, high-speed rotary joint, rotary position sensing sheet, support pipe clamping cylinder, rotary motor, synchronous wheel transmission group and point gum component, displacement component is set on support, lifting assembly is set on displacement component, high-speed rotary joint is installed on lifting assembly, support pipe clamping cylinder is also installed on lifting assembly, rotary motor is set on lifting assembly, synchronous wheel transmission group is set between rotary motor and high-speed rotary joint, point gum component is installed on support, rotary position sensing sheet is set on high-speed rotary joint, to this way, the technical problem that the existing technology is solved when using manual point gum, point gum amount control is unstable, point gum position deviation and glue is not uniform in the process of being smeared.

The application discloses a swing head structure with ultrasonic for turning, milling and grinding, and relates to the technical field of numerical control machine tools.The ultrasonic coil is integrated in the end face of the electric spindle, and the structure volume is reduced.The technical scheme is as follows: the swing head structure comprises a swing head shell, a C-axis rotating mechanism for driving the swing head shell to rotate around the C-axis, an electric spindle arranged at the lower end of the swing head shell, and an A-axis rotating mechanism for driving the electric spindle to rotate around the A-axis.The end face of the electric spindle is integrated with the ultrasonic coil.The ultrasonic coil is of a built-in structure, is powered through the built-in circuit, and is used for driving the ultrasonic cutter to perform ultrasonic vibration machining.The front end of the electric spindle is provided with any one of the ultrasonic cutter, a turning tool, a milling cutter or a grinding tool according to machining requirements.The swing head shell is provided with a multi-channel rotary joint for transmitting multiple media to the outer wall of the electric spindle during the rotation of the electric spindle around the A-axis.The swing head shell is also provided with a hydraulic disc brake structure for braking and locking of the A-axis rotating mechanism and the C-axis rotating mechanism.

This utility model relates to the field of enema production technology and discloses a multifunctional material gripping device, including a connecting plate and a positioning plate. The connecting plate and the positioning plate are connected by bolts, forming a sealed cavity between them. The top of the connecting plate is fixed with a lifting rod for connecting a robot arm. The upper surface of the connecting plate is provided with a rotary joint, which is connected to a vacuum connection pipe for connecting an external vacuum pump. The bottom of the positioning plate is fixed with multiple suction cup connection pipes communicating with the inside of the cavity, and each suction cup connection pipe has a suction cup at its end. This utility model uniformly distributes negative pressure in the sealed cavity formed by the connecting plate and the positioning plate, and uses multiple suction pipes and suction cup arrays to simultaneously adsorb, increasing the adsorption area and adsorption force. It can effectively grip the smooth and round enema bottle, overcoming the shortcomings of single suction cup adsorption, and ensuring that the material will not fall off during high-speed movement.

The utility model discloses a kind of automatic take-up reel of garden irrigation sprinkler head, belong to reel technical field.This kind of automatic take-up reel of garden irrigation sprinkler head, including shell, the inside rotation of shell is connected with winding wheel, and the inside of winding wheel is provided with hollow structure, the outer wall of winding wheel is wound with hose, the outer wall of shell is opened with pipe hole in one side, one end of the hose is passed through pipe hole, and is connected with sprinkler, the outer wall of winding wheel is opened with the interface of the hose one end intercommunication in one side, the bottom surface of winding wheel is connected with swivel joint, the top surface of shell is equipped with driving assembly, the top surface of driving assembly is installed with motor, the utility model is in cooperation with the use of winding wheel, hose, sprinkler, swivel joint, driving assembly and motor, so that the take-up reel is carried out conveniently to the pipe of sprinkler head and realizes easy take-up.

The utility model discloses a flexible positioning rotation hair picking device for bird's nest, which comprises a rotating workbench, a bottom center of the rotating workbench is connected with an external air source through a rotating joint, a top center of the rotating workbench is provided with a conical table for bearing the bird's nest, a flexible positioning assembly, a hair picking needle, and a gantry. The utility model adopts the structure of the pressure-equalizing air bag array cooperating with the radial push rod, so that all the push rods work under constant pressure, can adaptively adhere to the irregular surface of the bird's nest with different strokes, and provide uniform radial clamping force. The utility model solves the technical problem that the traditional rigid clamp is easy to bruise and crush the bird's nest, greatly reduces the raw material loss rate, and ensures the integrity and economic value of the bird's nest.

The utility model relates to rotary joint technical field, and disclose a kind of superhigh pressure large flow rotary joint, including connecting pipe, the left end of the connecting pipe is provided with first rotating part, the right end of the connecting pipe is provided with second rotating part, the first rotating part is provided with lubricating mechanism, and the inside fixed mounting of the first rotating part has first bearing. The utility model, when the first bearing needs to be lubricated, user can insert injection head into oil injection hole inside and press ball downward, then press lubricant and inject lubricating liquid into the inside of oil injection cavity, and lubricating liquid enters the inside of first bearing by oil injection cavity, connecting hole and oil inlet hole, after lubricating liquid injection is completed, injection head is separated from oil injection hole, at this time, ball moves upward under the action of spring and seals oil injection hole, lubricate bearing component quickly, improve the service life of rotary joint.

This utility model relates to the field of rotary joint technology, and in particular to a multi-channel rotary joint, comprising: a stationary part and a guide fluid connected to the stationary part; a fixed flow channel and a rotating flow channel are configured between the stationary part and the guide fluid, and a rotating body is rotatably connected to the outside of the guide fluid; the medium cavity is connected to the rotating flow channel, and the outside of the rotating body has an output port connected to the medium cavity. This utility model, by designing a fixed flow channel and a rotating flow channel inside the rotary joint, enables the medium to be transported from a stationary pipe to a rotating device, supporting the simultaneous transmission of multiple different media, and each channel is independent of each other and does not interfere with each other. When one end of the rotary joint is connected to a stationary pipe and the other end is connected to a rotating device, the medium enters the input port of the rotary joint under pressure, and then is transmitted to the corresponding part of the rotating device through the internal channel, realizing the supply of medium.

The utility model relates to abrasive wheel machine technical field especially relates to a high strength abrasive wheel machine with water cooling, its technical scheme includes base, abrasive wheel, protective cover and rotating motor, the inside hollow of rotating motor rotor shaft, one end of rotating motor rotor shaft is connected with cold water pipe through swivel joint rotation, the outer fixed surface of rotating motor rotor shaft is installed with abrasive wheel, and abrasive wheel and cold water pipe are located rotating motor both sides respectively, the outer surface of abrasive wheel is arranged with a plurality of heat dissipation holes in annular array equidistance, and heat dissipation hole extends to the inner wall of abrasive wheel, the outer surface of rotating motor rotor shaft is located at the position of the inside of abrasive wheel and is provided with annular groove, the utility model is convenient for to motor, abrasive wheel and workpiece carry out water cooling cooling simultaneously, guarantees the stable performance of workpiece, has prolonged the service life of abrasive wheel and motor, has reduced the equipment failure risk of high temperature simultaneously.