205 results about "Revolute joint" patented technology

A body for a squeegee or wiper, a squeegee and a wiper as well as a method for squeegeeing or wiping a surface. A swivel joint is arranged between the handle and the head section of corresponding devices. This is combined with a telescopic handle, whereby the swivel joint and the telescopic handle complement each other synergistically.

An omnidirectionally orientable vehicle comprising a main body, arms extending radially therefrom and orientable propulsion modules. Each propulsion module is coupled to an arm and comprises at least three propulsion units rigidly attached to the propulsion module. Each propulsion module is coupled to the arm by interposition of a rotary junction formed by a first revolute joint coupled to the arm and a second revolute joint attached to the propulsion module and perpendicularly coupled to the first revolute joint. The first revolute joint allows the propulsion module to rotate around the arm and the second revolute joint allows the propulsion module to rotate around an axis perpendicular to the arm providing the propulsion module with two DOF relative to the main body. The vehicle comprises rotary encoders located in proximity to the revolute joints and configured to monitor the orientation of the propulsion modules relative to the main body.

The present embodiments relate to a cross-spring actuator (CSA) and device designs that incorporate one or more cross-spring actuators. The CSA can include a first cross-spring element and a second cross-spring element that each have end portions. The CSA can also include a set of spring arms connecting the first cross-spring element and the second cross-spring element. The set of spring arms can be disposed at an angle such that each of the set of spring arms cross at a pivot point. The CSA can also include at least one shape-memory alloy (SMA) wire connected between end portions of any of the cross-spring elements. The CSA can be part of a two-axis tilt module, a serial rotational joint, a spine device, and a revolute joint device.

According to the double-parallelogram telecentric movable parallel robot mechanism, on the basis that the telecentric point can be adjusted, the overall structure of the mechanism is simple, and the manufacturing and assembling difficulty is lowered. The telecentric point of the movable platform is arranged on the plane where the fixed platform is located, the movable platform and the fixed platform are both achieved based on a multi-rotating-pair branch chain, and each platform comprises N platform rotating pairs with rotating shafts parallel to one another; branched chains of the movable platform and the fixed platform are deformed based on the platform revolute pairs, so that free movement of a telecentric point in a plane where the fixed platform is located can be realized; the first branch chain, the second branch chain and the connecting rods for connecting the two platforms jointly form a first parallelogram, third universal pairs at the two ends of the third branch chain are connected to the first parallelogram through the movable platform and the fixed platform respectively, and the first parallelogram can move in the two directions perpendicular to each other at the same time. And the telecentric point on the third branch chain is driven to move around the telecentric point in two directions with rotational degrees of freedom.

A rotatable joint for use in a liquid cooling system comprises a main body and at least one housing portion. The main body has a main body passageway defined therethrough. The at least one housing portion is rotatably coupled to the main body and has a housing portion passageway defined therethrough that is fluidly coupled to the main body passageway. The main body is rotatable between a first position and a second position relative to the at least one housing portion. The main body passageway is fluidly coupled to the housing portion passageway when the main body is in either of the first position and the second position.

This invention relates to a cooling and lubrication device for longitudinal grooved tube rolling liners, comprising the following components: a circulating pump for circulating and supplying lubricating fluid, the circulating pump being positioned below a support frame, the outlet of the circulating pump being connected to a rotary joint fixed on the support frame via a conduit eight, the rotary joint being connected to the liner via a delivery pipe and supplying lubricating fluid into the liner; a collection tank positioned below the liner installation position in the rolling mill, for collecting lubricating fluid discharged from the steel pipe, the collection tank supplying the lubricating fluid to a purification and chip removal mechanism via a return pipe, thereby removing metal debris carried in the lubricating fluid and purifying it; and a temperature control system, which draws in the purified lubricating fluid from the purification and chip removal mechanism via a conduit six, adjusts its temperature, and then supplies it to a collection tank via a conduit seven, so that the circulating pump can supply the lubricating fluid in the collection tank to the liner. This cooling and lubrication device for longitudinal grooved tube rolling liners provides stable and reliable cooling and lubrication for the liners during the rolling process.

The utility model is applicable to the technical field of rotary joints, and provides a high-pressure rotary joint which comprises a shell assembly, a rotary assembly is arranged in the shell assembly, and the same lubricating assembly is arranged on the shell assembly and the rotary assembly; the shell assembly comprises a first shell arranged outside, a damping groove is formed in one side of the first shell, and a second shell is arranged in the damping groove; a plurality of fixing pipes are detachably and fixedly connected to the periphery of the interior of the damping groove, sliding grooves are formed in the sides, close to the second shell, of the fixing pipes, and movable blocks are slidably connected into the sliding grooves. Therefore, damage caused by vibration is reduced, the service life is prolonged, the lubricating assembly is arranged, the bearing can be conveniently lubricated, and disassembly is not needed.

An improved anti-slip device for a shoe sole of the type provided with anti-slip or anti-lateral slip means such as nails or gripping hooks, wherein such means are fixed to a rigid or semi-rigid means that can be folded into grooves obtained in the shoe sole itself, rather than being directly fixed to the shoe sole, and each anti-slip member (10) and its member (24) fixed to the shoe sole and provided with its own snap fastening means (25) are non-disassemblable by a joint (14) having a double-ended steel pin (15) with a protruding end that forms a pivot axis from which the anti-slip member (10) can rotate 180°, the joint having an eyelet (18) and a protruding attachment (16) on the opposite side that forms a pivot center of 90° of the axle (26) of the member element (24) fixed to the shoe sole, and is perpendicular to the steel pin (15) so that the fixing member (24) cannot be separated from the anti-slip member (10). Once the joint (14) is molded from a suitable plastic material, it is incorporated by overmolding using another plastic material having a different melting point, and together with the fastening member (24) and the anti-slip member (10), thus avoiding accidental separation of the assembly while maintaining the degrees of freedom of movement of the different components.

The utility model discloses a diamond drilling device which comprises a machine box, a machine frame connected to the machine box, a lifting base connected to the machine frame through a lifting mechanism, a pull rod connected to the bottom face of the lifting base, a bearing plate connected to the lower end of the pull rod, a through hole formed in the center of the bearing plate, and a first sleeve connected to the bottom face of the bearing plate. The periphery of the first sleeve is rotatably connected with a second sleeve, the lower end of the second sleeve is connected with a pre-drill bit, and the bottom surface of the bearing plate is provided with a first driving mechanism for driving the second sleeve to rotate; the center of the bottom face of the lifting base is connected with a first air cylinder, the telescopic end of the first air cylinder is connected with a telescopic rod through a rotary connector, the top face of the bearing plate is rotationally connected with a third sleeve, and the telescopic rod is in spline connection in the third sleeve. And a second driving mechanism for driving the third sleeve to rotate is arranged on the top surface of the bearing plate. Through pre-drilling, rapid drilling, rough machining and stress release are achieved, and the problem of edge breakage of superhard material drilling is solved.

The utility model relates to a pressure pipeline leakage point detection device, which belongs to the technical field of pipeline detection and comprises a mounting groove, a moving frame, a driving mechanism, a bearing seat and a rotating shaft, a pressing disc is fixed at the inner end of the rotating shaft, an air passage is arranged in the rotating shaft at the left end, a sealing gasket is fixed on the inner side wall of the pressing disc, and the inner end of the air passage extends to the inner end face of the sealing gasket. The rotating shaft is connected with a power mechanism driving the rotating shaft to rotate, a rotating connector is fixed to the outer end of the rotating shaft at the left end, an air delivery pipe is fixed to the other end of the rotating connector, an air pump is fixed to the other end of the air delivery pipe, and a valve and a pressure gauge are arranged on the air delivery pipe. Through the pressing discs on the two sides and the driving mechanism for driving the two pressing discs to be close to and far away from each other, the sealing gaskets and the rotating joints which are arranged on the pressing discs are matched, the gas conveying pipe is fixed at the other end of each rotating joint, and the gas pump is fixed at the other end of each gas conveying pipe, so that the pressure pipeline detection device can adapt to detection of pressure pipelines with different diameters and lengths and is simple and rapid to operate; and the detection efficiency is improved.

The utility model relates to the technical field of suction equipment part manufacturing, and discloses a flexible suction pen head based on a rotatable joint, which comprises a base, the lower surface of the base is fixedly connected with a motor, the output end of the motor is fixedly provided with a worm, the tooth end of the worm is meshed and connected with a worm gear, the inner wall of the worm gear is rotatably connected with a rotating rod, and the rotating rod is fixedly connected with the base. An electric push rod is fixedly connected to the lower surface of the base, a fixing plate is fixedly connected to the lower surfaces of the supporting legs, a fixing block is fixedly connected to the inner wall of the fixing plate, a lifting sliding block is slidably connected to the outer wall of the fixing block, an adjusting support is slidably connected to the inner wall of the lifting sliding block, and a storage assembly is arranged on the upper surface of the base. The motor is started to drive the worm to rotate the worm gear, the worm gear drives the rotating rod to enable the adjusting support to slide, the electric push rod is started to drive the lifting sliding block to enable the adjusting support to rotate, and the assembly can achieve the effect of adjusting the position of the pen point.

The utility model discloses an anti-loosing rear positioning tool for a numerically controlled lathe, which relates to the technical field of positioning tools and comprises a rotary joint and a mounting head, the mounting head is arranged on the rotary joint, left-hand external threads are arranged on the outer surface of the mounting head, right-hand internal threads are arranged on the inner surface of the mounting head, and the left-hand external threads and the right-hand internal threads are arranged on the outer surface of the mounting head. A rear positioning part is connected through the left-hand external thread, a positioning screw is mounted through the right-hand internal thread, and a ratchet wheel is arranged on the surface of the rear positioning part; and the pawl is arranged on the rotary joint and is meshed with a ratchet wheel arranged on the rear positioning surface. When the rear positioning device is used, the ratchet wheel is locked anticlockwise and rotates anticlockwise, the rear positioning device is jacked by the internal positioning screw, so that the rear positioning device cannot move anticlockwise and is clamped by the pawl clockwise, the rear positioning device cannot loosen in the machining process, and the product quality is ensured.

The utility model relates to the technical field of pharmaceutical mechanical equipment, in particular to a forced lubricating device for a lower punching hole of a tablet press, which comprises an upper punching disc and a lower punching disc, and the upper punching disc is mounted at the upper end of the lower punching disc; the end cover is fixed on the equipment main shaft, and a channel is arranged in the end cover; the oil filling pipe is connected with the end cover through a flange, and one end of the oil filling pipe is connected with a rotary joint; the number of the pipe joints is two, one pipe joint is fixed to the surface of the end cover and communicated with the channel of the end cover, and the other pipe joint is installed on one side of the bottom of the lower punching disc; by means of pressure conveying of the oil filling pipe, the rotary connector and the hose, lubricating oil can directly reach the lower punching hole, the lubricating efficiency is improved by more than 60%, and the blocking problem caused by insufficient gravity is avoided.

The utility model discloses an auxiliary device for cutting a rectangular chamfer, which belongs to the technical field of part processing and structurally comprises a limiting piece, a handle and a rotary joint. Wherein the handle is arranged at the upper end of the guiding piece, the lower end of the guiding piece is connected with the limiting piece, the head end of the connecting piece is rotationally provided with the rotating connector, the angle grinder is installed at the front end of the rotating connector and can synchronously rotate along with the rotating connector, and therefore the machining angle of the angle grinder can be adjusted by rotating the rotating connector. During use, the limiting piece is suitable for sliding on the surface of a workpiece and is connected with the guiding piece, a connecting piece is arranged in the guiding piece in a sliding mode, the connecting piece is always parallel to the limiting piece, and the connecting piece is suitable for vertically translating along the guiding piece. The connecting piece is connected with the angle grinder through the rotating joint, so that the vertical moving position of the angle grinder can be adjusted by adjusting the connecting piece, and the size and the shape of a machined chamfer are adjusted.

An apparatus for positioning a tool, the apparatus comprising a base, a platform for supporting the tool, and three spherical arms each connecting the platform to the base. Each spherical arm comprises a first spherical linkage and a second spherical linkage. Each first spherical linkage is connected to the base by a primary joint, and all primary joints are coaxial with one another. Each first spherical linkage is connected to the respective second spherical linkage by a first revolute joint. Each second spherical linkage is connected to the platform by a second revolute joint. Axes of the primary joints, first revolute joints and second revolute joints intersect at a remote centre of motion that is remote from the platform. The apparatus further comprises rotary inputs arranged on the base to receive rotary drive to rotate each first spherical linkage about the respective primary joint so as to move the platform over a portion of the surface of a notional sphere and rotate the platform about a tool axis that is normal to the surface of the platform. Particularly, the platform can have infinite rolling motion about the tool axis in any achievable orientation.

The utility model discloses a pipe wall washing machine device which comprises a machine body and a high-pressure washing device, a spray gun connector is arranged at the water outlet end of the high-pressure washing device, the upper end of the machine body is fixedly connected with a U-shaped frame, an L-shaped piece and a connector fixing clamp, the U-shaped frame is fixedly provided with a hydraulic motor through a fastener, and the outer side of the L-shaped piece is connected with a spray gun pipe. The portion, located on the outer side of the L-shaped piece, of the spray gun pipe is further fixedly sleeved with a large gear, the power end of the hydraulic motor movably penetrates through the L-shaped piece and then is fixedly connected with a small gear, the small gear is meshed with the large gear, four sets of symmetrical wheel shafts are rotationally arranged on the outer side of the machine body in a penetrating mode, and the outer side ends of the wheel shafts are fixedly sleeved with wheels. And a rotary joint is rotationally arranged at the other end of the fixed joint through a sealing bearing and is fixedly connected to the spray gun pipe. The robot is used as a carrier to automatically clean the wall of the pipeline, the cleaning effect is better, the situation that the pipeline is blocked in the cleaning process is avoided, and the practical effect is obvious.

The present invention provides an assembled wavelength conversion device, which includes a refrigeration box, a fan, a cylinder body, a first end cover and a transparent second end cover. A closed space is formed among the first end cover, the second end cover and the cylinder body. A clamping cavity is arranged inside the cylinder wall of the cylinder body, and a plurality of air outlet holes communicated with the clamping cavity are arranged on the inner side wall of the cylinder body; A ring body is arranged inside the first end cover, and an annular channel is formed between the ring body and the inner side wall of the first end cover, and the annular channel is communicated with the clamping cavity; A exhaust pipe is communicated in the middle of the end face of the first end cover, and the exhaust pipe is communicated with an extraction pipe through a rotary joint. The other end of the extraction pipe is connected with a fluorescent color wheel, and the fluorescent color wheel is driven by a motor. Suction holes are arranged on the side wall of the extraction pipe; An air inlet pipe communicated with the annular channel is arranged on the outer end face of the first end cover; The fan, the refrigeration box, the clamping cavity and the closed space form a circulating air duct; It has an assembled structure, which is convenient for disassembly and assembly, convenient for the maintenance or replacement of internal parts, and can dissipate heat from internal components, prolonging the service life of the equipment.

Disclosed are pin swivels. In at least one example embodiment, a pin swivel includes a housing attachable to a mechanical assembly and a spool rotationally supported by the housing. In at least one example embodiment the housing includes at least one port configured to connect to at least one hose to receive at least one fluid from the at least one hose, and at least one channel configured to transfer the at least one fluid to at least one fluid transfer area. In at least one example the spool has at least one channel in fluid communication with the at least one fluid transfer area of the housing to receive the at least one fluid from the at least one fluid transfer area, and at least one port configured to receive the at least one fluid from the at least one channel of the spool.

This invention discloses a hoisting device for auxiliary installation of rubber rings in reinforced concrete drainage pipes, belonging to the field of municipal water supply and drainage pipeline construction technology. The hoisting device includes a hoisting drive device with a steel cable assembly. A steel cable connecting assembly is installed at one end of the steel cable assembly. A rotary joint is fixedly connected to the bottom of the steel cable connecting assembly. A mounting bracket opening and closing mechanism is installed at the bottom of the rotary joint. A clamping connection mechanism is slidably connected to one side of the mounting bracket opening and closing mechanism, and a guiding transmission mechanism is fixedly connected to one side of the clamping connection mechanism. A collar mechanism is slidably connected to the outer wall of the guiding transmission mechanism. This invention designs a clamping connection mechanism and a collar mechanism, enabling pre-fabrication and automatic installation and fixation of the rubber ring, achieving precise pushing and installation of the rubber ring and ensuring sealing quality.

A spatial parallel mechanism comprises a platform. Three or more legs configured for extending from a base or ground to the platform, each leg has a distal link, one or more distal joint providing one rotational degree of freedom (DOF) about a distal rotational axis, the distal joint connecting a distal end of the distal link to the platform. A proximal joint provides at least two rotational DOFs at the proximal end of the distal link. Assemblies of joints and links provide DOFs to each said leg between the proximal joint and the base or ground. The distal rotational axes of the three legs are parallel to one another.

The invention relates to the technical field of steel pipes, in particular to a seamless steel pipe cold-drawing polishing device which comprises an end plate, a driving wheel and two correspondingly arranged driven wheels are rotationally installed on the surface of one side wall of the end plate in a triangular shape, the driving wheel and the driven wheels are connected through abrasive belts, and the driving wheel and the driven wheels are each of a hollow structure. A first rotating connector is installed on the back face of the end plate corresponding to the driving wheel in a penetrating mode, the outer wall of the first rotating connector is fixedly sleeved with a gear ring, the outer wall of the gear ring is meshed with a gear, and the gear is fixed to the outer end of a transmission shaft of the servo motor. In the grinding process of the abrasive belt, negative pressure is generated through the obliquely-arranged dust collection cover under the action of the exhaust fan, so that chippings generated in the grinding process and attached to the surface of the abrasive belt can be sucked away, flowing of air around the abrasive belt can be accelerated while the chippings on the surface of the abrasive belt are sucked away, and therefore the abrasive belt is prevented from being damaged. Therefore, part of heat can be taken away, and the service life of the abrasive belt can be prolonged.

Provided is an inner string and a well system. The inner string, in one aspect, includes an inner tubular including a sidewall having a thickness (t3), the inner tubular having an orientation port extending entirely through the sidewall to provide fluid access from an interior of the inner tubular to an exterior of the inner tubular. The inner string, according to one aspect, further includes a weighted swivel located around the inner tubular, the weighted swivel including an orientation slot, the orientation slot configured to align with the orientation port to provide a pressure reading indicative of a relative location of the inner tubular to the weighted swivel.

A connection device for a tire inflation system. The connection device includes a swivel joint and a hose assembly. A body of the hose assembly is insertable into and removable from a receiver cavity of the swivel joint when in a first rotational position. A locking protrusion of the hose assembly is received in a locking opening of the swivel joint to secure the body to the swivel joint when in a second rotational position.

The utility model provides a cooling structure of a ball screw, which relates to the technical field of mechanical transmission component cooling and comprises a mounting frame, two bearing seats are fixedly mounted at the top of the mounting frame, a ball screw body is fixedly inserted between the interiors of the two bearing seats, and a heat conduction groove is formed in one side of the outer wall of the ball screw body. And the outer surface wall of the ball screw body fixedly communicates with two rotating joints. According to the cooling device for the ball screw, efficient heat dissipation of the ball screw is achieved under the interaction of all the components of the device, it is guaranteed that the temperature of the ball screw is stable and controllable in the using process, cooling water can accurately cool key parts in the ball screw in the circulating flowing process, and the service life of the ball screw is prolonged. And meanwhile, the cooling water absorbing heat is subjected to real-time heat dissipation treatment through the external heat dissipation module, it is ensured that the cooling water flowing circularly keeps a low enthalpy value all the time, and therefore heat generated by operation of the lead screw is continuously and efficiently taken away.

The invention relates to the technical field of new energy automobile charging equipment, and discloses a heavy truck charging pile gun line power assisting device which comprises a mounting base, a rotary connecting seat, a rotary driving shaft and a rotatable suspension arm assembly, the rotatable suspension arm assembly comprises a main suspension arm and a telescopic auxiliary arm, one end of the main suspension arm is rotatably arranged on the rotary driving shaft in a sleeving mode, and the other end of the main suspension arm is rotatably arranged on the telescopic auxiliary arm in a sleeving mode; the telescopic auxiliary arm is arranged in the main suspension arm, can horizontally rotate around the main suspension arm and is telescopically arranged in the main suspension arm; the gun line hanging assembly is installed at one end of the telescopic auxiliary arm and used for bearing a charging gun line, and the gun line hanging assembly comprises a rotating connector allowing the whole gun line hanging assembly to freely rotate around a vertical axis and a buffer spring used for absorbing impact; the whole weight of the gun line is borne through the rotatable and telescopic suspension arm assembly, and the moment generated by the gravity of the gun line can be dynamically counteracted in combination with an intelligent resistance adjusting system based on real-time detection. And the charging operation efficiency and the personnel comfort are greatly improved.

The utility model provides a mechanical arm sheath which comprises a flexible sheath, one end of the flexible sheath is fixedly provided with a large-opening rotary joint, the other end of the flexible sheath is fixedly provided with a small-opening rotary joint, and the large-opening rotary joint and the small-opening rotary joint are respectively provided with corresponding hoops; due to the overall arrangement, the protective sleeve can be better combined with the head end and the tail end of the mechanical arm, gaps are prevented from being formed in the connecting position of the mechanical arm and the protective sleeve, and therefore the whole protective sleeve has a better sealing effect in the using process.

The utility model relates to the technical field of tobacco processing equipment maintenance accessories, in particular to an expanded cut tobacco rotary joint maintenance kit which comprises a maintenance box, a sponge mat is arranged in the maintenance box, a dismounting mechanism is arranged in a placing groove of the maintenance box, a plurality of part replacement grooves are detachably connected to the sponge mat and used for storing maintenance parts, and a cover plate is hinged to the top of the maintenance box. And a cover sponge, a hasp and a handle are arranged in the cover plate. The dismounting mechanism comprises two semicircular fixing shells which can be spliced into a fixing ring, the fixing ring is provided with a threaded hole and a threaded column, one end of the threaded column is provided with a contact part and a rotating handle, the two fixing shells can be clamped through a clamping assembly on the fixing ring, and stable splicing of the fixing shells is guaranteed through cooperation of a clamping block, a limiting hole, a sliding groove, a wedge-shaped block and a reset compression spring.

This novel three-degree-of-freedom rotational decoupling mechanism belongs to the field of robotics technology. It addresses the insufficient decoupling capability of existing parallel mechanisms. The mechanism includes a moving platform and a fixed platform positioned vertically, connected by three circumferentially arranged branch mechanisms. Each branch mechanism includes a driving link and a driven link, both of which are obliquely arranged arc-shaped rods. The lower end of the driving link is hinged to the fixed platform via a first revolute joint, the upper end of the driving link is hinged to the lower end of the driven link via a second revolute joint, and the upper end of the driven link is hinged to the moving platform via a ball joint. In the three sets of first, second, and ball joints, the axes of any two points to the same point, the rotation center, around which the moving platform rotates. This invention features a simple structure, ease of manufacturing and assembly, motion decoupling, easy control, and good dynamic performance.

The utility model discloses a novel rotating binding belt device which is provided with a first supporting plate and a second supporting plate. The first supporting plate and the second supporting plate are rotationally connected through the rotating joint; the supporting seats are arranged on the first supporting plate and the second supporting plate, and the supporting seats can support the wire harness; and the connector base is installed on the second supporting plate and can support a connector of the wire harness. According to the utility model, the requirements of various angles between the ribbon buckle and the connector can be quickly met according to the actual loading condition, the processing efficiency can be effectively improved, and the damage of loading to products is reduced.