2393 results about "Rotational joint" patented technology

A free-motion swing arm includes a rack mount; a swivel joint; a hollow tubular arm; and a U bracket with a handle and a weight bearing post extending from opposite surfaces. The rack mount has a handle and mounts on an exercise rack. The swivel joint includes a bearing and a mounting plate, mounts on the rack mount, and rotates about a vertical axis. The arm is mounted to the mounting plate, rotates about a horizontal axis, and is reversibly lockable in multiple positions. The U bracket is mounted to the arm. The swing arm allows movement 180 degrees on both a vertical axis and horizontal axis and in between at the same time for free movement.

In some embodiments, a device mount may include a base, an arm coupled to the base, a connector coupled to the arm with a rotation joint, a first motor disposed within the base and configured to tilt the connector, facilitated by the rotation joint, and a second motor disposed within the base and configured to rotate the base. In some embodiments, a method may include receiving an indication that a device is coupled to a connector of a device mount, receiving a first signal from the device to move the device mount to track a user or an object in view of one or more of the device's cameras, and in response to the first signal, either actuating a first motor to tilt the connector or actuating a second motor to rotate a base of the device mount to track the user or the object.

The invention relates to a load support unit for holding and adjusting the orientation of the load. The load support unit includes a lower arm, a upper arm, a mounting swivel, a swivel joint, a knuckle joint and a rotational joint. The mounting swivel allows the load support unit to rotate relative to its surroundings, the swivel joint allows the upper arm to rotate relative to the lower arm, the knuckle joint allows the upper arm to pivot in a rotational direction relative to the lower arm, and the rotational joint allows the load to rotate about the upper arm.

A modular electric wheel assembly. The assembly including a motor with a rotor in a rotary union with a stator. The motor of the brushless DC type and including a circular rotor rotating about a central axis and including a central hollow axle. The hollow axle configured for coupling with a removable energy source and / or an external energy source and including attachment structures for a plurality of attachments to enable riding by a user or configuration within a parent vehicle such as a bicycle or moped, or use as another machine type, such as a power tool or power generation machine. The rotor configured with a quick-change mechanism through a first ring configured to accept a plurality of removable wheel types and rotatable attachments, enabling a user to select a variety of unique wheel / tire types and configurations for a variety of applications.

The invention discloses an irrigation sprayer for planting dendrobium officinale, and relates to the technical field of sprayers. The device comprises a supporting frame, a plurality of rollers are rotatably connected to the bottom of the supporting frame, a mounting frame is fixedly mounted on the supporting frame, a water supply assembly and a plurality of sliding sleeves are fixedly mounted on the mounting frame, the sliding sleeves are slidably arranged on the mounting frame in a sleeving mode, threaded holes are formed in the sliding sleeves in a penetrating mode, and threaded rods are in threaded connection with the threaded holes; the first ends of pipelines are fixedly installed on the multiple sliding sleeves, the first ends of the pipelines are rotationally connected with atomizing nozzles through rotating joints, and the second ends of the multiple pipelines communicate with a water outlet of the water pump. The sliding sleeve is fixed to the mounting frame through the threaded rod and the threaded hole, then the distribution distance and layout of the atomizing nozzles are flexibly changed, the rotating joint allows the nozzles to rotate within a certain angle, and the spraying direction can be adjusted according to actual needs while it is ensured that water flow is smooth.

Systems, devices, and methods for elevating weights are disclosed. A lifting bar rotates about a rotating joint attached to a vertical support. As the system is engaged, the lifting rotates from a downward position parallel to the vertical support to a horizontal position, a hook on the lifting bar engaging the weight and lifting it.

The utility model relates to the technical field of strip steel rolling, in particular to galvanized strip steel production rolling equipment. According to the technical scheme, the device comprises an air outlet pipe, a fixing frame, rollers and an air cooler, the rollers are symmetrically and rotationally installed in the positions, close to the upper surface and the lower surface, of the interior of the fixing frame, cooling cavities are formed in the two rollers, and the two ends of each roller are fixedly connected with a rotary joint A and a rotary joint B correspondingly; connecting pipes A are fixedly connected to the outer sides of the two rotating joints A, the tail ends of the two connecting pipes A are fixedly connected to the outer surface of an air outlet pipe, and an air inlet pipe is fixedly connected to the tail end of the air cooler output pipe. In the hot rolling process of the galvanized strip steel, the temperature of the roller is reduced, the service life of the roller is prolonged, heat of the roller is converted into hot air, production raw materials needing to be heated can be preheated, meanwhile, the hot air drying device can be used for drying the galvanized strip steel after follow-up cleaning operation, and energy consumption is saved.

The utility model relates to a thin strip winding device which comprises a rack and a rotary servo motor and is further provided with an expansion mechanism, a rotary connector, a front-back driving device and a deviation rectifying displacement sensor, the expansion mechanism is used for fixing or loosening a material collecting barrel, the front-back driving device is installed on the rack, a sliding rail arranged in the front-back direction is arranged on the rack, a sliding plate is installed on the sliding rail, and the deviation rectifying displacement sensor is installed on the sliding plate. A rotary connector and a rotary servo motor are installed on the sliding plate, the sliding plate is connected with a front-back driving device, a main shaft of the rotary servo motor is rotatably installed on the rotary connector, the front end of the main shaft is connected with an expansion mechanism, and a deviation rectifying displacement sensor used for detecting the position of the material receiving barrel is arranged on the front portion of the rack. A ventilation air cylinder is arranged on the rotating connector and communicated with an air supply device through an air inlet annular groove and an air outlet annular groove, the air inlet annular groove and the air outlet annular groove are communicated with a main shaft air channel of the main shaft, and the front portion of the main shaft air channel is communicated with an expansion air cylinder. The device is simple in structure and convenient to use, winding and unwinding are accurate and synchronous, and coiled materials are neat.

The utility model discloses a special rotary joint for an ultralow-temperature fluid loading and unloading arm, and relates to the technical field of rotary joints. The connector comprises a connector body, a first flange plate is arranged at the top of the connector body, a second flange plate is arranged above the first flange plate, a plurality of mounting holes are formed in the first flange plate and the second flange plate, and mounting assemblies are arranged in the mounting holes in the second flange plate. And a driving mechanism is arranged in an inner cavity of the mounting assembly. When dismounting is needed, the driving mechanism is rotated reversely, thrust to the balls is reduced, the mounting holes in the first flange plate are obliquely arranged, the balls can retract, and then the tight connection state of the first flange plate and the second flange plate is relieved, so that tedious operation of traditional flange connection is avoided, and the dismounting efficiency is improved. The connecting and detaching efficiency of the loading and unloading arm and the external pipe is improved, time and labor cost is reduced, and convenience and reliability of the loading and unloading system are improved.

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 relates to the field of anti-skid foot pad production and technology, in particular to an anti-skid foot pad production raw material crushing device. According to the technical scheme, the device comprises a connecting pipe, a crushing box and a rotating motor, crushing rollers are rotationally installed at the positions, close to the front surface and the rear surface, in the crushing box through crushing shafts, a gear cover is fixedly installed on one side of the outer surface of the crushing box, and the ends, close to the gear cover, of the two crushing shafts are fixedly connected with second rotating joints; and the tail ends of the two second rotating joints are fixedly connected with a water outlet pipe and a water inlet adjusting valve correspondingly, the ends, away from the gear cover, of the two crushing shafts are fixedly connected with first rotating joints correspondingly, and the tail ends of the two first rotating joints are fixedly connected to the two ends of a connecting pipe correspondingly. The crushing roller can be subjected to water cooling, and rubber raw materials are prevented from being adhered to the outer surface of the crushing roller.

A transmission mechanism of a micro crawling robot and the micro crawling robot. The transmission mechanism is a parallel mechanism with three branch chains and two degrees of freedom, and comprises: a fixed platform; a moving platform; a constraint limb comprising a first rotating joint S11 and a second rotating joint S12, which generate the functions of restraining the lifting motion and the twisting motion of the moving platform, respectively; a first actuation limb comprising third to seventh rotating joints S21-S25, wherein the third rotating joint S21 is a actuation joint and the rest are transmission rotating joints; and a second actuation limb comprising eighth to twelfth rotating joints S31-S35, wherein the eighth rotating joint S31 is a actuation joint, and the rest are the transmission rotating joints.

The invention discloses an efficient chip removal and cooling device for a drill bit, and relates to the field of drilling tools. An efficient chip removal and cooling device for a drill bit comprises a mounting frame, and further comprises a sliding frame, a chip removal device and a cooling device, the mounting plate is connected to the sliding frame in a lifting mode, a rotating sleeve is rotationally connected to the mounting plate, a drill bit is detachably connected to the rotating sleeve, and a chip groove is formed in the outer wall of the drill bit; according to the drill bit, the spiral chip removal groove in the outer wall of the drill bit is matched with the cooling liquid obliquely and upwards sprayed out of the liquid spraying holes, the cooling liquid generates upward scouring force on cuttings, the chip removal capacity is greatly improved, cuttings are effectively prevented from being blocked, and the chip removal efficiency and the drilling quality are improved; cooling liquid enters the spiral cooling cavity through the liquid supply pump via the liquid conveying pipe and the rotary connector, the contact area of the cooling liquid and the drill bit is increased, the retention time of the cooling liquid and the drill bit is prolonged, the cooling effect is remarkably improved, the temperature of a drill lip is reduced, and the service life of the drill bit is prolonged.

The utility model discloses a rotary hinge device for installing a solar panel. The rotary hinge device comprises a hinge body and a panel fixer, hinge tables are arranged at the two ends of the hinge body, connecting tables are arranged at the two ends of the sailboard fixing device, the hinge tables and the connecting tables are connected through rotating joints, so that the sailboard fixing device can rotate around the hinge tables, and the rotating joints are sleeved with hinge torsion springs matched with the hinge tables and the connecting tables. The outer end of one rotary connector is further provided with a time sequence torsion spring arranged in the axial direction of the rotary connector. When the solar panel support is used, the solar panel support is fixedly installed on the side face of a satellite structure frame and can be reliably connected with a sailboard. And meanwhile, the rotary joint for rotationally connecting the sailboard is arranged in the hinge main body, so that the flexible rotary connection between the sailboard and the satellite body is realized, and the secondary unfolding requirement of the sailboard is met. A time sequence control structure is further arranged in the hinge to prevent interference and collision in the unfolding process, and the phenomenon of over-unfolding or under-unfolding is prevented.

The invention provides precise spraying type liquid manure field returning equipment which comprises a storage tank, a base is arranged at the bottom end of the storage tank, a water pump is arranged in the storage tank, two supporting assemblies are rotationally connected to the end of the base, and a plurality of spraying assemblies are arranged on the side of each supporting assembly; a rotary joint is arranged at the top end of the supporting assembly; the spraying assembly is connected with the rotary joint through the supporting assembly; the rotary joint comprises a joint body, a ball plug, an inlet, an outlet and a communicating pipe; a first motor is arranged in the base, and the output end of the first motor is connected with the supporting assembly. A measuring assembly is arranged on the side portion of the supporting assembly. The supporting assembly can rotate according to the width of a to-be-sprayed area, then the spraying assembly is driven to rotate, and when the spraying assembly rotates, the spraying area can be changed so as to adapt to the measured width; when the spraying assembly rotates to change the spraying area, the ball plug is driven to rotate, the fertilizer outlet flow can be controlled, the situation that the fertilization amount is increased after the spraying area is reduced is avoided, and uniform fertilization is ensured.

The utility model relates to the technical field of carbon brush machining, in particular to a carbon brush contact end face grinding device which adopts a felt roller capable of achieving negative pressure adsorption to efficiently remove carbon powder on the surface of an abrasive belt, avoids reduction of the grinding effect of the abrasive belt, keeps the grinding efficiency of the abrasive belt and is good in practicability. Comprising a bottom plate, a rack, a driving wheel, a driven wheel and an abrasive belt. The shaft pipe is rotationally installed on the rack, a cavity is formed in the shaft pipe, a plurality of air suction holes are formed in the outer wall of the shaft pipe, the felt sleeve is arranged on the outer wall of the shaft pipe in a sleeving mode, a large number of holes are formed in the felt sleeve, the abrasive belt is tensioned through the outer wall of the felt sleeve, and the air suction connector is concentrically installed at one end of the shaft pipe; the air exhaust connector is provided with a rotary connector and connected with an air suction port of the air exhauster through a hose, a carbon brush conveying mechanism is installed on the machine frame, and the carbon brush conveying mechanism presses the end of the carbon brush on the abrasive belt above the driven wheel.

The utility model discloses a device for testing the service life of a rotary joint, and relates to the technical field of joint testing devices. The rotary joint service life test device comprises a bearing plate, one side of the top of the bearing plate is fixedly provided with a mounting plate, the other side of the top of the bearing plate is movably provided with a moving plate, and one side of the mounting plate is fixedly provided with a protection mechanism for performing safety protection on a user. An electric rod is electrified to operate to drive a bolt plate to move vertically, the bolt plate moving vertically can drive a protection box to move synchronously, the protection box moves downwards to the outer side of a to-be-detected rotary joint for enclosure, and the protection box moving downwards can drive an industrial camera to move synchronously. And then the industrial camera is electrified to operate, so that the to-be-detected rotary joint can be monitored in real time, manual observation of an operator is replaced, and a function of performing safety protection on the operator can be realized through cooperative use of an electric rod and a protection box.

The invention discloses a blade system of a wind generating set, and belongs to the field of wind power generation systems. A hydraulic system drives a coaxial gear rigidly connected with the root of a main blade to provide power for a gear pump, hydraulic oil flow and speed are controlled by a hydraulic control element, and the hydraulic oil penetrates through the center of a main shaft through a double-channel rotary joint and reaches a blade motor at the top end of the main blade through an oil way laid on the inner surface of the main blade; and the blade motor drives the secondary blade module to rotate to form closed-loop energy supply. At low wind speed, the secondary blade module and the main blade rotate in the same direction, so that the aerodynamic efficiency is enhanced; at high wind speed, the secondary blade module and the main blade rotate reversely, reverse lift force is generated, and the tip bending moment of the blade is reduced. The core of the invention lies in that pneumatic coupling and hydraulic supply technologies are combined, so that not only is the application range of equipment to wind speed change widened, but also the utilization rate of wind energy is obviously improved. Revolutionary progress is brought to the field of wind power generation, and wide application prospects and market potential are shown.

An example includes a device having a base platform, a seat platform, and a swivel joint. The base platform is configured for affixation to an occupant seat of a motor vehicle. The base platform has a first and second base retainer component. The seat platform has a seat portion and a back portion. The seat platform has a first and a second seat retainer complement. The swivel joint couples the base platform and the seat platform and permits relative motion of the base platform and the seat platform about a rotary axis and constrain motion on other axes. At a first position of the base platform relative to the seat platform, the first seat retainer complement aligns with the first base retainer component. At a second position of the base platform relative to the seat platform (second position different than the first position), the second seat retainer complement aligns with the second base retainer component.

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.

The utility model discloses a ball mill for ceramic production, which comprises a bottom plate, a rotary drum and a displacement plate, the top of the bottom plate is fixedly connected with two fixed plates, a lifting mechanism is arranged between the two fixed plates, the displacement plate is arranged at the top of the lifting mechanism, and the top of the displacement plate is fixedly connected with two vertical plates. Wherein one side of one vertical plate is fixedly connected with a feeding pipe, one side of each of the two vertical plates is provided with a rotary joint, the rotary drum is arranged between the two rotary joints, one side of the other vertical plate is fixedly connected with a discharging pipe, and a grinding mechanism is arranged in the rotary drum. The problems that in the using process of an existing ball mill for ceramic production, the feeding and discharging effects of the device are poor, so that the production efficiency of the device is reduced, and in the grinding process, grinding balls cannot make contact with ceramic better, so that the practicability of the device is reduced are solved.

The invention belongs to the related technical field of part finish machining, and particularly discloses a shaft part machining device which comprises a base, a spindle box is arranged on one side of the upper end face of the base, hydraulic calipers are installed at the end of the spindle box, and a turning frame is arranged on the upper end face of the base and located on one side of the spindle box. A sliding seat is connected to one side of the turning frame through an arranged X-axis driving sliding rail mechanism, a double-axis adjusting seat is arranged at the upper end of the sliding seat, an installing seat is fixedly connected to the upper portion of the double-axis adjusting seat, a tool rest is connected to the upper end face of the installing seat through an arranged installing block, and a tailstock is fixedly installed above one end of the turning frame. A tool block is installed in the tool rest, the outer wall of one side of the tool rest is connected with a rotating joint through an arranged transmission mechanism, and a negative pressure pump is arranged on the outer wall of the tool rest and located at the rotating joint. The problems of resonance and long cuttings in the turning process of the slender shaft are effectively solved, and the machining quality and efficiency of shaft parts are improved.

The utility model discloses a right-angle bidirectional rotary joint, and relates to the technical field of adjustable connection. A right-angle bidirectional rotating joint comprises a right-angle connecting pipe, mounting pipes are fixedly connected to the two sides of the right-angle connecting pipe, a liquid injection assembly is located on the corresponding mounting pipe and comprises a liquid injection pipe, a sealing plug, a telescopic sleeve, four fixing rods and a spring, and the liquid injection pipe is fixedly connected to the corresponding mounting pipe; a liquid injection hole is formed in the portion, close to the liquid injection pipe, of the mounting pipe, and through cooperation of the liquid injection pipe, the spring, the sealing plug, the four fixing rods and the telescopic sleeve, lubricating oil can be injected only by pressing the sealing plug downwards, so that the lubricating oil can be discharged into the positioning groove from the liquid injection pipe, and therefore the rotating ball in the positioning groove can be lubricated conveniently; and the sealing plug can be automatically reset under the support of the spring, so that the liquid injection pipe can be conveniently sealed, the lubricating oil can be conveniently and quickly injected, and the convenience and the high efficiency of the lubricating oil during injection are further improved.

The utility model provides an anti-rust spraying device which relates to the technical field of anti-rust spraying and comprises a bottom frame and a barrel body, the top of the bottom frame is fixedly connected with a bottom plate, the bottom of the bottom plate is fixedly connected with a motor, the output end of the motor penetrates through the bottom plate and extends to the upper side, and the bottom of the bottom plate is fixedly connected with a vacuum pump. The output end of the vacuum pump is fixedly connected with a vacuum pipe; and the rotating assembly is rotationally connected to the top of the bottom plate, and the rotating assembly comprises a rotating joint. According to the utility model, when the barrel body is subjected to rust-proof spraying treatment, the barrel body is driven to rotate along with the rotation of the communicating seat, and under the rotation of the barrel body, the inner wall and the outer wall of the barrel body are uniformly covered and sprayed with a coating sprayed by the spray head, so that the synchronous rust-proof coating spraying treatment on the inner wall and the outer wall of the barrel body is completed; and the processing flow of rust-proof spraying is simplified, and the processing efficiency is effectively improved.

The utility model discloses a buckle type faucet rotating adapter which comprises a hollow inner core, a rotating sleeve is arranged in the middle of the inner core in a sleeved mode, a sealing assembly is further arranged on the upper portion of the inner core in a sleeved mode, and the sealing assembly comprises a sealing sleeve sleeved on the inner core in a penetrating mode and a buckle ring used for clamping the sealing sleeve. The buckle ring comprises a circular truncated cone on the top and a plurality of clamping jaws extending downwards from the bottom of the circular truncated cone. The upper portion of the inner core is provided with an annular groove for the clamping jaws to be arranged in a clamped mode. According to the buckle type faucet rotating joint, the structure is simple, the sealing assembly is arranged, the outer sealing ring is integrally formed on the sealing sleeve, the sealing sleeve is fixed to the inner core through clamping fit of the buckle ring and the sealing sleeve, the overall sealing performance is better, assembling is convenient, and the service life of the faucet rotating joint is prolonged. The problems that in the prior art, a plurality of scattered outer sealing rings need to be arranged to achieve the sealing effect, the number of involved parts is large, assembling is complex, the number of the sealing rings is large, the number of the sealing rings is small, and the phenomenon of water leakage is easily caused by dark damage in the assembling process are solved.

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.

A rotary joint capable of measuring a rotation angle with high accuracy includes: a flange; a rotor whose one end is connected with the flange and has a tubular shape; a shaft whose outer periphery is connected with an inner periphery of the rotor so that the shaft is rotatable about a central axis of the rotor as a rotation axis; and a rod whose one end is connected with the flange and is provided in an opening to extend from one end side of the shaft along the central axis; an angle measurement unit connected with the opening to extend from another end side of the shaft to another end of the rod and measures a rotation angle between the rod and the shaft with the central axis as the rotation axis; and a shield member formed in a cup shape.

Rotatable joints may include one or more braking assemblies. The one or more braking assemblies may control a degree of movement of the rotatable joint to provide a range of damping. In some instances, the braking assemblies may include brake band(s) that tighten and loosen around a hub, or other rotatable member of the rotatable joint. The amount of braking, or tautness of the brake band(s), may be variably controlled to arrest the hub by different amounts. In some instances, the tightening of the brake band(s) around the hub may be controlled using linear actuator(s) and / or magnetic element(s). Implementing braking assemblies having controlled actuation may improve control of rotatable joints without adding cost, complexity, weight, or bulk.

The utility model relates to an automatic anus carving system for a hog in a slaughter house production line, and belongs to the technical field of splitting of hog in a slaughter house. According to the technical scheme, an anus carving knife (3) is mounted on a mechanical arm (1) through a jig (33); the air motor (17) is arranged on the RV speed reducer (18), and the RV speed reducer is arranged on the jig; a connecting shaft (20) is rotationally arranged at the output end of the RV reducer, two ends of the connecting shaft extend out of the RV reducer, the upper end of the connecting shaft is connected with a rotary joint (19), and the lower end of the connecting shaft is connected with a guide rod (14); holes are formed in the rotary joint (19), the connecting shaft (20) and the guide rod to form a channel; and a cutter (15) is arranged on the guide rod and is fixed with the guide rod through a connecting shaft. The automatic anus carving machine has the advantages that manual operation is replaced at the anus carving position of a slaughter house, cutting is more accurate than manual cutting, position errors are reduced, and product quality is improved; the automation degree is improved and the labor intensity of workers is reduced.