888 results about "Rotational joint" patented technology

A medical pad for exchanging thermal energy between a targeted temperature management (TTM) fluid and a patient is disclosed. The pad can include a fluid containing layer and a fluid conduit attached therewith via rotatable joint where the joint is configured to facilitate rotation of the fluid conduit with respect to the pad. A method of manufacturing the pad can include coupling a first member of the rotatable joint to a fluid delivery line, coupling the second member to the fluid containing layer, and inserting the first member within an opening of the second member to facilitate a snap-fit retention mechanism between first member and the second member. A method of using the pad can include rotating the fluid delivery line relative to the thermal pad via the rotatable joint when initially applying the pad to the patient or when adjusting an orientation of the pad on the patient.

The utility model discloses softening and hardness-removing treatment equipment for high-concentration brine. The softening and hardness-removing treatment equipment comprises a treatment barrel, a rotating rod and a stirring blade mounting sleeve, a support is fixedly welded to the upper portion of the rear wall of the treatment barrel, a servo motor is fixedly installed at the position, located at the circle center over the treatment barrel, of the top of the support, a rotating rod is fixedly installed on an output shaft at the bottom of the servo motor, spraying pipes are fixedly installed on the two sides above the rotating rod, and a rotating connector is installed at the position, connected with the output shaft of the servo motor, of the top of the rotating rod. A stirring blade mounting sleeve movably sleeves the lower part of the rotating rod, stirring blades are fixedly welded on the periphery of the stirring blade mounting sleeve, guide rods are fixedly mounted at the outer ends of one group of stirring blades, and a spiral guide groove is formed in the inner wall of the treatment cylinder. According to the utility model, a medicament can be uniformly sprayed into high-concentration brine, and multi-dimensional stirring is realized by virtue of a unique stirring blade design, so that the brine and the medicament are fully mixed and reacted to complete softening and hardness removal treatment, and thus efficient mixing is realized and a good treatment effect is ensured.

A sheet material handling equipment includes a handling fixture having a frame adapted for attachment to a robot or manipulator; at least two arms anchored to the frame, each arm being formed by at least two semi-arms pivotally connected to each other and including a gripping member at its free end, the pivotal connection including a rotatable joint with a joint coupling having a joint brake, which are passive with a pressure or electric lock; and a first control line for distributing electrical power, and / or air, and / or hydraulic fluid for controlling the joint and / or the gripping member connected via an adapter to (a) an electrical power supply, and / or hydraulic fluid, and / or air to the robot or manipulator and to (b) a work line control unit, and an adjusting fixture structured to actively adjust a position of at least one of the arms and / or to unlock the joint brake.

The invention discloses an electro-hydraulic control underground adjustable angle device and an adjusting method thereof. A translation assembly and a rotating assembly in a shell assembly are sequentially arranged from outside to inside, a sliding sleeve of the translation assembly slides in the axial direction of a shell of the shell assembly, and a spiral rod of the rotating assembly is matched with the sliding sleeve through a spiral key to achieve rotating movement and axial movement of the spiral rod; the lower end of the rotating assembly is meshed with the rotating joint assembly through a spherical gear to realize rotation of a rotating joint; the lower end of the shell is connected with the rotary connector through a gear ring, and the included angle between the axis of the gear ring and the vertical axis of the shell is larger than 0 degree. The device has the advantages of being simple in structure, convenient to operate, reliable in performance and high in structure bending angle adjustment control precision; the bend angle is adjusted underground, the requirement for track control of a well with a complex structure is met, and the purpose of completing drilling track control of the well with the complex structure with low cost, high efficiency and high precision is achieved.

The invention provides a tibia transverse moving device based on a universal rotating joint, relates to the technical field of orthopedic medical instruments, and solves the problems that in the prior art, during an operation, a bone needle is obliquely installed, and due to a rigid frame and single-plane adjustment of a traditional device, the bone needle is not stably fixed, stress is concentrated, and complications occur frequently. The device is mainly composed of a main body support, a universal rotating joint device and a short bone needle fixing mechanism, the device is symmetrically distributed on the two sides with an adjusting rotary knob as the center, in the using process, transverse moving of bones can be completed only by controlling the adjusting rotary knob, and multi-direction adjusting is achieved through universal rotating joints.

The application discloses a main shaft with a built-in center water outlet mechanism, which comprises a steel cylinder, front and rear bearing seats fixed at two ends of the steel cylinder respectively, a rotor arranged in the steel cylinder, a hollow pull rod arranged in the rotor, a tool handle connected with the pull rod and arranged at the front end of the rotor, a tool handle water channel formed in the tool handle, a rear cover fixed at the upper end of a rear bearing assembly, the upper end of the rotor being arranged in the rear cover, an oil cylinder seat fixed at the upper end of the rear cover, an oil cylinder arranged in the oil cylinder seat and capable of sliding up and down, a piston arranged in the oil cylinder, a piston rod arranged at the center of the piston, the upper end of the pull rod penetrating through the piston rod, a tail cover fixed at the upper end of the oil cylinder seat, a water inlet channel formed in the tail cover, a rotary joint assembly arranged in the tail cover and between the water inlet channel and the upper end of the pull rod. The rotary joint assembly can be integrated in the main shaft, stress of the rotary joint assembly can be avoided, and the overall performance of the main shaft is improved.

The invention relates to a waste smashing and recycling device for injection molding machining, and belongs to the technical field of injection molding machining, the waste smashing and recycling device comprises a main smashing frame, the top of the main smashing frame is fixedly connected with a material receiving frame, the bottom of the main smashing frame is fixedly connected with a conveying frame, and the bottom of the conveying frame is fixedly connected with an auxiliary smashing frame; the inner wall of the main crushing frame is rotationally connected with a crushing roller, the end of the crushing roller is rotationally connected with a rotating connector extending to the outside of the main crushing frame, and the outer wall of the main crushing frame is fixedly connected with a control box. According to the device, knocking rods and air holes are arranged, when the injection molding waste is treated through the crushing and recycling device, the knocking rods are distributed on the upper side and the lower side of a crushing roller, so that the waste of different sizes is subjected to pre-crushing and re-crushing treatment before crushing and after crushing, and meanwhile, under the arrangement of the air holes, the crushing efficiency is improved. And mechanical energy for driving the flapping plates is converted into wind energy for conveying, waste is prevented from being adsorbed to the surfaces of the crushing rollers, and the waste is synchronously cooled.

The embodiment of the invention relates to the technical field of rotary joint testing, one embodiment of the invention provides a rotary joint test board used for testing a rotary joint, the rotary joint is provided with a first joint part and a second joint part which rotate relatively, and the rotary joint test board comprises a frame body; the seat body is arranged on the frame body and used for being connected with the first connector part; one end of the rotating part is provided with a free end, and the other end of the rotating part is used for being connected with the second connector part; the swing driving assembly is arranged on the frame body, connected with the rotating part and used for driving the rotating part to rotate; and the free end is rotationally arranged relative to the bending moment assembly, and the bending moment assembly acts on the free end in the radial direction of the rotating piece and is used for providing torque for deflection of the center shaft of the second connector part relative to the center shaft of the second connector part. Through the technical scheme, the technical problem that a rotary joint test device in the prior art is difficult to meet the performance test requirement of the rotary joint is solved.

The high-performance release agent production equipment comprises a reaction cavity shell and a temperature sensing probe, a sealing cover plate is fixed to the outer wall of the top of the reaction cavity shell through a hasp lock, and a gas path rotating connector is fixed to the axis position of the top of the sealing cover plate in a penetrating mode; a hollow stirring rod is rotationally mounted at the axis of the gas path rotating joint through a deep groove ball supporting bearing, and bionic elastic turbulent flow blades which are distributed at equal intervals are in threaded connection with the outer wall of the middle of the hollow stirring rod. Through cooperation of the storage bin, the spiral conveying blade and the first servo motor, the raw material conveying speed can be accurately adjusted, the situation of blockage or low efficiency is avoided, the second servo motor drives the grinding base to rotate at a high speed through meshing transmission of the first bevel gear and the second bevel gear, and the grinding efficiency is improved. An electric telescopic rod is matched to adjust a grinding disc to move left and right for further grinding, blocky raw materials can be fully crushed and ground, raw material particles are uniform and fine, and a good foundation is provided for subsequent reaction.

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 present application relates to a kind of pyrolysis high-temperature solid material conveying device of leakage prevention, belong to high-temperature solid material conveying technical field;Shell is placed axially horizontally on support platform;The top of shell is provided with import flange, bottom is provided with export flange;Double-chamber leakage prevention seal is installed in the axial left end of shell;Shaft passes through double-chamber leakage prevention seal and then from the left end of shell extends into the inner cavity of shell;2 bearing seats are fixed on the upper surface of support platform by bolt connection;The axial outer end of shaft is supported by 2 bearing seats;Rotary joint is installed in the outer end of shaft;Access hole is arranged in the top of shell;Access hole inner wall, import flange inner wall, export flange inner wall, shell inner wall are attached wear-resistant castable;The outer wall of the part of shaft extending into the inner cavity of shell is installed blade;Transmission part is sleeved on the outer wall of the outer end of shaft;The present application can withstand high-temperature working condition when conveying garbage pyrolysis solid material, while long-distance material return in horizontal direction is realized, and the problem of garbage pyrolysis material return is solved.

The invention discloses uniform-filtering anti-clogging wastewater treatment equipment, and relates to the technical field of wastewater treatment.The uniform-filtering anti-clogging wastewater treatment equipment comprises a box body, a uniform filtering assembly is arranged in the box body, a cleaning assembly is arranged on one side of the outer wall of the uniform filtering assembly, the uniform filtering assembly comprises a filtering cylinder, and a rotating shaft is fixedly mounted at the top end of the filtering cylinder; a rotating pipe is rotationally mounted on one side of the outer wall of the box body; a rotating joint is fixedly mounted at one end of the outer wall of the rotating pipe; the cleaning assembly comprises a second rotating rod, a cleaning scraping plate is fixedly installed on one side of the outer wall of the second rotating rod and used for cleaning the surface of the filter cartridge, through the linkage design of the uniform filter assembly, intermittent rotation of the filter cartridge is achieved through meshing of an incomplete gear and a rotating gear, and meanwhile the continuous rotation of a rotating pipe is achieved; all areas on the outer wall of the filter cartridge are in uniform contact with wastewater, so that the problem that a traditional fixed filter screen is too high in local load and other areas are idle is solved, and the filter area utilization rate is increased.

The application provides a chemical mechanical polishing driving assembly, comprising a driving unit, a driving frame, a rotary joint, a bearing head and a damping shaft system; the damping shaft system comprises a first damping module and a second damping module to absorb vibration in horizontal and / or vertical directions respectively. The damping shaft system provided by the application absorbs vibration energy in different degrees of freedom without increasing the self weight of the driving frame, blocks the transmission path of the vibration energy, prevents the loosening and even failure of parts due to vibration, and improves the stability of wafer grinding quality to some extent.

To provide a configuration capable of suppressing disturbance of a radio wave at a certain frequency caused by uneven reflection of the radio wave due to rotation in a rotary joint having a double coaxial structure.SOLUTION: A rotary joint 1 includes a first waveguide member 11, a second waveguide member 12, a center conductor, an inner tube conductor, and an outer tube conductor. A first waveguide path 91 and a second waveguide path 92 are formed in the first waveguide member 11, and a third waveguide path 93 and a fourth waveguide path 94 are formed in the second waveguide member 12. The inner tube conductor is disposed so as to cover the outside of the central conductor, forms an inner coaxial path that connects the first waveguide path 91 and the third waveguide path 93 together with the central conductor, and includes a first tube conductor and a second tube conductor that are arranged in the longitudinal direction, are rotatably coupled to each other, and are insulated from each other. The outer tube conductor is disposed so as to cover the outside of the inner tube conductor, and forms an outer coaxial path connecting the second waveguide path 92 and the fourth waveguide path 94 together with the inner tube conductor.SELECTED DRAWING: Figure 1

By providing a cooling air passage in the rotary joint housing, the amount of heat generated by the rotary joint can be suppressed, enabling an increase in the rotational speed of the air chuck, as well as miniaturization and weight reduction of the rotary joint. [Solution] A rotary joint device for supplying air to an air circulation pipe 4 connected to an air chuck 2 of a machine tool, comprising a housing 22 made of a tubular body having an air supply port connected to an air source, and a sleeve 26 fixed to the air circulation pipe 4 and fitted to the inner diameter of the housing 22 via a bearing 24. An air passage 36 is formed in the pipe wall of the housing 22 by a plurality of elongated holes extending axially and grooves connecting the ends of the elongated holes. One end of the air passage 36 is connected to an air supply port for driving the air chuck, and the other end of the air passage 36 is connected to the gap between the housing 22 and the sleeve 26.

A rotary union for connecting a stationary body to a rotating body. The rotary union has a rotatable wear plate connectable to the rotating body and a seal ring disposed in the wear plate. A spring biased piston engages the seal ring against the wear plate with a compression spring between an end flange and the piston. The end flange and piston are at least partially disposed within a shroud, wherein the shroud has at least one aperture extending therethrough. An alignment ring is formed on the piston and is viewable through the aperture in the shroud to confirm proper distance between the end flange and the piston and proper force applied to the piston. A seal wear indicator is connected to the piston and moves between an exposed position where the seal ring is not worn and a non-exposed position where the seal ring is worn.

The utility model relates to the technical field of rotary joint machining, and discloses a rotary joint machining positioning tool which comprises a base plate, a threaded hole formed in the base plate is in threaded connection with a second screw rod, the top end of the second screw rod is rotationally connected with a supporting disc through a bearing seat, and a second rotary knob is fixedly installed at the bottom end of the second screw rod. According to the rotary joint machining and positioning tool, the first clamping plate and the second clamping plate can be close to each other at the same time, the clamping and positioning precision of a rotary joint is greatly improved, and therefore the machining precision of the rotary joint is guaranteed; according to the technical scheme, the problems that in the prior art, the positions of clamping blocks on the two sides of a rotary joint are adjusted through two independent adjusting bolts correspondingly, so that the rotary joint is clamped, the moving distances of the two clamping blocks are possibly different in the manual adjusting and rotating process, the clamping and positioning position of the rotary joint is deviated, and the clamping precision of the rotary joint is affected are solved. And the machining precision of the rotary joint is further influenced.

The utility model relates to a rotatable corrosion-resistant sealing pipeline joint structure which comprises a communicating pipeline, joint seats are arranged on the two sides of the communicating pipeline, connectors are arranged in the joint seats, one end of each connector is connected with the communicating pipeline, and an installation area is formed between the other end of each connector and the corresponding joint seat. A bearing matched with the installation area is arranged in the installation area, a detachable protection sleeve is arranged at the end, facing the bearing, of the connector base, a shielding part extending towards the center is arranged on the side, facing the bearing, of the protection sleeve, the shielding part abuts against the outer wall of the connector, and the shielding part is provided with an extending part extending in the axial direction. The extension part abuts against the outer wall of the connector. The rotary joint has the following advantages and effects that the stability of the rotary joint in long-term use can be ensured.

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 the technical field of fluid conveying, and discloses a high-sealing-performance rotary joint and a preparation technology thereof.The rotary joint comprises a rotary joint body I and a rotary joint body II which is rotatably arranged, and a leakage early warning structure is arranged on the rotary joint body I; the structure comprises an early warning channel, a liquid accumulation groove used for collecting a trace amount of leaked fluid and an observation window installed outside. A two-way labyrinth type sealing structure is arranged on the outer side of the thrust ball bearing, so that the environmental adaptability is improved; according to the manufacturing technology, after assembly is completed through a low-temperature stress-free method, in-situ final machining is conducted on the device under the dynamic standard, specifically, a thrust ball bearing of the device serves as the dynamic standard to drive the rotating joint body II to rotate, and final micromachining is conducted on the dynamic sealing face. According to the invention, the assembly accumulative error is fundamentally eliminated, the dynamic sealing surface with ultrahigh geometric accuracy is obtained, the sealing performance and the operation safety of the rotary joint are obviously improved, and the service life of the rotary joint is obviously prolonged.

The utility model relates to the technical field of multi-channel rotary joints, and discloses a novel self-rotating multi-channel rotary joint which comprises a multi-channel rotary joint shell, a connecting pipe is installed on one side of the multi-channel rotary joint shell, one end of the connecting pipe is connected with a first flange ring, and the other end of the connecting pipe is connected with a second flange ring. A first flange ring is installed on one side of the multi-channel rotary joint shell, a second flange ring is installed on one side of the first flange ring, a first sealing ring is arranged between the first flange ring and the second flange ring, a limiting installation assembly is installed on one side of the first flange ring, and a porous shaft is installed in the multi-channel rotary joint shell. And a sealing assembly is arranged between the multi-channel rotary joint shell and the porous shaft. The sealing effect is improved to a certain degree and the stability of medium conveying is guaranteed through the sealing assembly, inflation of the inflation ring and pressing of the second sealing ring, the stability of the bolt is guaranteed through the limiting installation assembly, looseness is avoided, and the stability of medium conveying is guaranteed to a certain degree.

The utility model relates to the technical field of high-speed rotating joints, and discloses a spiral waterproof mechanism in a high-speed rotating joint, which comprises a rotating joint body, a waterproof component is arranged in the rotating joint body, and the lower part of the rotating joint body is fixedly connected with a drainage hole; the waterproof assembly comprises a rotating body shaft, the rotating body shaft is installed in the rotating joint body, an oil retainer is installed on the right side of the outer portion of the rotating body shaft, a disc oil retainer is arranged on the lower portion of the oil retainer, an O-shaped sealing ring is installed on the lower portion of the oil retainer, and a bearing is installed on the left side of the outer portion of the rotating body shaft. And the oil retainer adopts a spiral line type waterproof groove design. According to the rotary joint, leaked liquid is attached to the inclined spiral groove and is guided and discharged through centrifugal force generated by high-speed rotation through the spiral line type waterproof structure, the liquid is prevented from entering the bearing, the service life of the rotary joint is effectively prolonged, the maintenance cost is reduced, and the production efficiency is improved.

The utility model discloses a microalgae drying device which comprises a bottom plate, a first limiting cylinder is installed on the left side of the upper portion of the bottom plate, a left supporting plate is installed above the first limiting cylinder, a connecting bearing is installed in the left supporting plate, and a first transmission pipe is arranged in the connecting bearing in a penetrating mode; a first transmission pipe is installed on the left side of the left supporting plate, a rotating connector is installed on the left side of the first transmission pipe, an electric heating wire is installed in the first transmission pipe, an adjusting motor and an air pump are installed above the left supporting plate, a worm is installed at the output end of the adjusting motor, and a worm wheel is installed at the rear end of the worm. And the drying box body is installed on the right side of the first transmission pipe, an installation pipe is installed on the inner wall of the first transmission pipe, and four exhaust pipes are installed outside the installation pipe. According to the microalgae drying device, a plurality of mounting pipes and exhaust pipes are uniformly mounted on the inner wall of the drying box body, so that hot air can uniformly penetrate through microalgae, and the microalgae can be heated and dried more uniformly.

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.

The utility model discloses a filtering type rotary joint which comprises a rotary sealing sleeve and a combined storage hole, the combined storage hole is formed in the center of the interior of the rotary sealing sleeve, a connecting through hole is formed in the center of the top end of the rotary sealing sleeve, and the connecting through hole is communicated with the combined storage hole. A first sealing ring is mounted at the top end of the interior of the combined storage hole in a bonded mode, and a second sealing ring is mounted on the bottom face of a frame of the rotary sealing sleeve in a bonded mode. According to the filter type rotary joint, when a filter core column needs to be replaced, after a rotary connecting pipe is separated from an external pipeline, the rotary connecting pipe is pressed forcibly, the rotary connecting pipe and an adjusting circular ring can slide in a rotary sealing sleeve, the adjusting circular ring pushes a supporting spring to contract and operate, and the filter core column is separated from the external pipeline according to the limitation of a limiting supporting frame; and therefore, replacement operation can be quickly carried out.

The utility model discloses a kind of rotary joint sealing spherical surface grinding devices with scrap collecting function, belong to rotary joint manufacturing technical field. Mainly including support, the upper end fixed mounting of support has workbench The side end fixed connection of transmission belt has driving motor, the rear end fixed mounting of workbench has support plate, the front end fixed mounting of support plate has slide rail, the lower end fixed mounting of electric sliding block has rotating motor, the lower end connection of rotating motor has grinding disc, the upper end sliding connection of guide rail has clamping disc, the two sides screw thread connection of clamping disc have adjusting fixed rod, the front end sliding connection of slide rail two has sliding block, the lower end fixed mounting of sliding block has telescopic hose, the lower end fixed connection of telescopic hose has electric dust suction port.This application reaches grinding and impurity removal simultaneously with a kind of rotary joint sealing spherical surface grinding devices with scrap collecting function, and scrap can be collected.

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.