2517results about "Yielding coupling" patented technology

A universal double joint is provided comprising: a drive rotatable bearing having a first spherical surface formed of a plastic material; a proximal metal cross pin configured to receive an imparted drive force and to impart the imparted drive force to the first rotatable bearing; a driven rotatable bearing having a second spherical surface formed of a plastic material; and a distal metal cross pin configured to receive the imparted drive force and to impart the imparted drive force to the second rotatable bearing.

The invention provides a compound uniform-load and shunt load shedding type planetary gear gearbox with a face gear. The compound uniform-load and shunt load shedding type planetary gear gearbox comprises an input planet carrier integrated assembly, a first-stage compound uniform-load planet row, an inter-stage flexible connection structure, a second-stage planet row and a face gear steering output assembly. The input planet carrier integrated assembly is connected with the first-stage compound uniform-load planet row, the inter-stage flexible connection structure is arranged between the first-stage compound uniform-load planet row and the second-stage planet row, and a first-stage floating sun gear in the first-stage compound uniform-load planet row and the main shaft planet carrier structure are coaxially arranged. The first-stage floating sun gear is installed in a floatable mode through a first-stage sun gear supporting shaft, self-adjustment can be achieved in the radial direction and the axial direction, and the first-stage floating sun gear is meshed with the first planet gear and the second planet gear in a double-side mode. The energy conversion efficiency can be improved, uneven load distribution is improved, and the system integration degree is improved.

Provided is a coupler, an air-conditioner indoor unit, and an air conditioner. The coupler includes a sleeve, a spacing portion, a first inner core, and a second inner core. The sleeve is provided with a chamber. The spacing portion is configured to be elastically deformable and provided in the sleeve to divide the chamber into a first accommodation cavity and a second accommodation cavity. The spacing portion has a first groove opened towards the first accommodation cavity and a second groove opened towards the second accommodation cavity, and the first groove and the second groove at least partially overlap in a circumferential direction of the sleeve. The first inner core is inserted into the first accommodation cavity and embedded in the first groove, and adapted to be connected to a driving shaft. The second inner core is inserted into the second accommodation cavity and embedded in the second groove.

A generator module for a vehicle includes a housing arranged for fixing to a combustion engine, a stator fixed in the housing, a rotor, rotatable within the stator and arranged for driving connection with the combustion engine, and a damper arranged in a torque path between the combustion engine and the rotor for damping torsional vibrations from the combustion engine.

The invention discloses a ship shaft generator and an operation method thereof, the ship shaft generator comprises a generator and an execution device, a ship main shaft is provided with a driving belt wheel, the generator is provided with a driven belt wheel, and the driven belt wheel and the driving belt wheel are connected through a transmission belt; the driving belt wheel comprises a shaft sleeve, a middle wheel ring and an outer wheel ring, the shaft sleeve is fixedly connected to a ship main shaft, and a rotary buffering mechanism is arranged between the middle wheel ring and the outer wheel ring; a plurality of locking pieces are arranged on the middle wheel ring in a sliding mode and can move in the radial direction of the middle wheel ring. The actuating mechanism controls the locking piece to move between the locking position and the unlocking position; when the locking piece is located at the locking position, the shaft sleeve and the middle wheel ring are connected. The connecting state of the shaft sleeve and the middle wheel ring is controlled through the locking piece, when maintenance is needed, the executing device switches the locking piece to the unlocking position, the generator can be directly maintained at the moment, ship navigation is not affected, and navigation pause caused by maintenance is avoided.

A tool adapter assembly, such as, for example, a socket or socket adapter, having drive, center, and work bodies. The drive body and the work body can be adjusted in a number of positions / angles relative to one another by a user. The tool adapter assembly includes components adapted to retain a set / desired position / angle of the drive body and the work body relative to one another.

The invention relates to the technical field of transmission, in particular to a transmission shaft and a vehicle. The transmission shaft comprises a shaft sleeve assembly, a shaft rod assembly, a sealing assembly and a supporting assembly. The shaft sleeve assembly comprises a sleeve body unit and a sleeve clamping unit which are both tubular bodies. One end of each sleeve unit is closed; and the sleeve clamping unit is connected with the open end of the sleeve body unit. The shaft rod assembly comprises a sliding unit connected with one end of a shaft rod unit. The sleeve clamping unit is arranged on the shaft rod unit in a sleeving manner; the sliding unit abuts against an inner sliding groove in the sleeve body unit. The sleeve clamping unit and the shaft rod unit are sleeved with the two ends of the sealing assembly respectively. The supporting assembly comprises a first arc unit, a second arc unit and the other first arc unit which are sequentially connected to form a split ring. The supporting assembly abuts against the inner circumferential face of the sleeve clamping unit and the outer circumferential face of the shaft rod unit. The first deformation amount of the first arc unit is smaller than the second deformation amount of the second arc unit. Therefore, the problems of local stress concentration and abrasion of the supporting sleeve caused by inclined installation and uneven stress of the transmission shaft are solved.

A tubular drive arrangement (20) for a screening arrangement (10) for a window, in which a drive part (24) coupled to drive shaft and a motor of the drive arrangement comprise engagement means (24.1, 24.2) configured to be connected to counterpart engagement means (12.1, 12.2) of a roller tube (12) of the screening arrangement in an assembled condition. At least one resilient damper (31, 32) is connected to or connectable to the engagement means (24.1, 24.2, 24.3) of the drive part (24).

The invention relates to the technical field of cross shafts, and discloses an efficient lubricating needle bearing cross shaft which comprises a cross center part, a first oil injection assembly is arranged on the cross center part, a second oil injection assembly is arranged in the cross center part, and the first oil injection assembly comprises an oil injection nozzle. A first oil cavity is formed in the cross-shaped center part, and a first oil injection groove is formed in the cross-shaped center part. According to the efficient lubricating needle bearing cross shaft, a grease gun is used, an oil outlet of the grease gun is tightly pressed on an oil injection nozzle, it is ensured that lubricating oil enters a first oil cavity through the oil injection nozzle under the pressure effect, and a first sealing plate and a first spring move downwards to the position below a communicating hole channel under the pressure effect; and meanwhile, after the second oil cavity is filled with the lubricating oil, the first oil cavity is slowly filled with the lubricating oil, the lubricating oil flows out of the first oil injection groove, and primary oil injection can be achieved.

The invention provides a torque transmission device and an aircraft. The torque transmission device comprises a base; the straight shaft penetrates through the base and can rotate around the axis of the straight shaft in the base; one end of the flexible shaft is fixedly connected with one end of the straight shaft, and the other end of the flexible shaft can be in transmission connection with an output shaft of a power output device; the driving gear is coaxially and fixedly connected with the straight shaft; wherein the output torque of the power output device can be transmitted to the straight shaft through the flexible shaft and then transmitted to the driving gear, and the driving gear is used for providing power for a device to be driven. The invention provides a torque transmission device which is suitable for more application scenes.

The invention relates to the technical field of universal joint transmission, in particular to a universal joint transmission shaft assembly which comprises a cross shaft, four bearing sleeves are connected to the cross shaft, roller pins are arranged between the bearing sleeves and the cross shaft, oil seals are installed on one sides of the bearing sleeves and make contact with the surface of the cross shaft, and an oil injection pipeline is arranged in the cross shaft. According to the design, the driving assembly is arranged on the cross shaft, a worker can control the second circular ring to move through the driving assembly, and the second circular ring can pull the oil seal on the side where waste oil is completely discharged so that the oil seal can be better attached to the cross shaft; when oil is injected, waste oil can be discharged from the position between the oil seal on the side with the smaller gap and the cross shaft, so that the amount of fresh oil flowing out of the cross shaft during oil injection is reduced, waste of the fresh oil is avoided, the situation that the waste oil cannot be discharged from the oil seal on the side with the smaller gap is avoided, the lubricating effect is ensured, and the service life is prolonged.

A joint assembly for joining a first component to a second component includes a first clevis including first clevis apertures and a second clevis including second clevis apertures. The joint assembly includes a first bearing insert and a second bearing insert fixedly coupled to the first clevis and the second clevis, respectively. The joint assembly includes a ring surrounding the first clevis and the second clevis and including a plurality of ring apertures. The joint assembly further includes a plurality of pins received within the corresponding ring aperture. Each pin includes a head portion and a shaft portion extending from the head portion. The shaft portion is coupled to the ring by a corresponding interference fit. The shaft portion is coupled to the corresponding first or second bearing inserts by a corresponding clearance fit such that the shaft portion is rotatable relative to the corresponding first or second bearing inserts.

The invention belongs to the technical field of metallurgical mechanical transmission, and relates to a four-point rotation end driving device which comprises a rotation driving device, a gear motor and a bidirectional damping supporting device, the rotation driving device is provided with four outer meshing point positions distributed at equal center distances, and each outer meshing point position is provided with an interchangeable gear shaft box; the driving device is used for driving the rotary driving device; an input shaft of the gear shaft box is sleeved with a hollow output shaft of the gear motor, and the gear motor is flexibly connected with the gear shaft box through a diaphragm flange device; the two sides of the rotation driving device are flexibly supported by the two-way damping supporting device. According to the suspension primary speed reducer, the number of meshing points is increased to four, the load of a single meshing point is effectively dispersed, the tooth width coefficient is reduced, and therefore the lightweight design of the suspension primary speed reducer is achieved, a single slewing bearing is adopted to replace a large gear and a supporting bearing in a traditional low-speed gear box, and the axial size and the manufacturing cost are greatly reduced.

The invention discloses an intelligent universal joint capable of being automatically maintained and a maintenance method thereof, and belongs to the technical field of mechanical transmission. The intelligent universal joint capable of being automatically maintained comprises a cross shaft body, wherein the cross shaft body is provided with an oil duct, a grease storage cavity and a switch sensor arranged in the grease storage cavity; the grease storage cavity is formed in the cross shaft body, one end of the grease storage cavity communicates with the oil duct, the other end of the grease storage cavity penetrates through the surface of the cross shaft body to communicate with the outside, and the grease storage cavity is used for storing lubricating grease; the switch sensor comprises a switch execution mechanism and a control chip, and the switch execution mechanism can achieve connection and disconnection between the grease storage cavity and the oil duct; the control chip is used for controlling the switch executing mechanism to act according to preset conditions, and then active lubricating maintenance of the universal joint is achieved. The problems that lubricating grease cannot be supplemented in the operation process of a traditional maintenance-free universal joint, and the maintenance capacity is poor are solved in a targeted mode, and finally the purposes of prolonging the service life of the universal joint and reducing the equipment failure risk and the operation and maintenance cost are achieved.

The utility model provides a dust cover, drive subassembly and vehicle, dust cover includes cover body, major diameter end connecting edge and minor diameter end connecting edge, major diameter end connecting edge and minor diameter end connecting edge are respectively connected to the both ends of cover body, the cover body along the axial direction includes a plurality of wave crest structure and wave trough structure that alternate connection in proper order, the wave crest structure is provided with a large-diameter end wave crest face facing the large-diameter end connecting edge and a small-diameter end wave crest face facing the small-diameter end connecting edge, and at least one of the large-diameter end wave crest face and the small-diameter end wave crest face is provided with a drainage groove. The drainage grooves extend from the positions close to the trough structures to the positions away from the trough structures. According to the dustproof cover, the contact area and the water amount between the two adjacent wave crest structures are reduced, so that the siphonic effect and the stick-slip effect between the two adjacent wave crest structures are reduced, and the periodic abnormal sound of a vehicle in the large-angle steering process is relieved or eliminated.

Eccentric screw pump with a rotor of a drive shaft circulating essentially about a fixed axis in relation to the stator in a bearing block, a power train and a screw conveyor, which revolves in a rotating-oscillating manner in a screw flight of the stator, wherein the power train provides the screw conveyor with its drive torque and the power train adjusts the differences of the motion sequences of the screw conveyor and of the drive shaft, wherein the power train consists essentially of a one-piece rotational body, which has multiple weakening recesses, which interrupt its outer circumferential jacket surface more than only insignificantly and which provide it with that reversible elasticity, which it requires in order to rotate about an axis of rotation, which curves in a periodically recurring manner at least in sections.

The present invention relates to a counter track joint, comprising a joint outer part (12) and a joint inner part (13), in which in the straightened counter track joint a first pair of tracks (22A, 23A) extends towards an opening side of the joint outer part (12) and in which in the straightened counter track joint a second pair of tracks (22B, 23B) extends towards a connecting side of the joint outer part (12), the counter track joint further comprising one ball (14A, 14B) in each of the first and second pair of tracks and a ball retainer (15) with circumferentially distributed retainer windows (18) each accommodating one ball (14), the ball retainer (15) having a non-circular shape with at least three maxima and three minima when viewed in cross section.

The invention relates to the technical field of automobile manufacturing, in particular to a transmission shaft assembly. Wherein one end of the spline shaft fork is connected to the universal joint, the other end of the spline shaft fork is arranged at one end of the spline sleeve in a penetrating mode, the spline shaft fork is connected with the spline sleeve in a sliding mode, the other end of the spline sleeve is connected to the rear-end universal joint assembly, the dustproof cover is arranged on the outer wall of the spline sleeve in a sleeving mode, and the dustproof cover is connected with the spline shaft fork. The inner dustproof seal, the gasket and the outer decontamination seal are arranged between the dustproof cover and the spline sleeve at intervals, the inner dustproof seal is close to the front-end universal joint assembly, the outer decontamination seal is close to the rear-end universal joint assembly, and the gasket is arranged between the inner dustproof seal and the outer decontamination seal. Compared with the prior art, the transmission shaft assembly is provided with the inner dustproof seal, the gasket and the outer dirt removal seal to form a double-layer sealing structure, so that the linearity of a sediment invasion path can be reduced, the sealing redundancy is enhanced, external sediment is prevented from invading the spline, and the spline pair is prevented from being abraded and even ablated.

A multipod joint having an outer joint part with a first longitudinal axis and a cavity which runs parallel to the first longitudinal axis and which has an open end. At least two recesses running parallel to the first longitudinal axis are distributed along a circumferential direction, which extends around the first longitudinal axis. The joint has a joint inner part with a second longitudinal axis, comprising at least one central body on which at least two trunnions are formed with trunnion axes extending radially from the second longitudinal axis. A roller body rotatable at least about the trunnion axis is arranged on each trunnion.

A constant velocity joint includes: an outer race provided with a through-hole extending along a longitudinal axis and forming a plurality of outer ball grooves; an inner race forming a plurality of inner ball grooves that respectively pair with the outer ball grooves; a plurality of balls that are respectively positioned within a space formed by the pair of the outer ball grooves and the internal ball grooves; a ball cage that accommodates the plurality of balls; and a grease retainer coupled to the outer race to prevent grease, which fills a space where the ball and the ball cage are placed, from leaking through the through-hole. The grease retainer has a convex shape protruding towards the ball and the ball cage.

To improve the strength of the screw threads. [Solution] The bicycle power transmission device comprises a first rotating body, a second rotating body, an elastic member, a stopper member, and a first nut. The first rotating body has a stopper surface facing in the circumferential direction. The second rotating body is arranged to be rotatable relative to the first rotating body. The elastic member elastically connects the first rotating body and the second rotating body. The stopper member is attached to the second rotating body. The stopper member has a stopper portion and a first threaded portion. The stopper portion faces the stopper surface in the circumferential direction. The first threaded portion is integrally formed with the stopper portion and extends in the axial direction. The first nut is screwed onto the first threaded portion.

The present invention relates to a high-speed flexible coupling, comprising a transmission shaft, the end of which is connected to a flexible member and an adapter from the inside to the outside; a deformation ring groove is provided in the axial middle of the flexible member, dividing the flexible member into an inner end face and an outer end face; a screw hole for connecting the outer end face of the flexible member and a pin hole for the outer end face of the flexible member are drilled in the outer end face of the flexible member; an outer end center deformation groove and an outer end surrounding deformation groove are provided in the outer end face of the flexible member, and the outer end center deformation groove passes through the middle of the outer end face of the flexible member. The present invention has a simple structure and a small number of parts; it can compensate for radial and angular misalignment between the output shaft and the input shaft. At the same time, a locating pin is used for connection, so that there is no gap or idle stroke when the torque is transmitted between the input shaft and the output shaft, and the torque transmission is more stable and impact-free. When an unexpected axial impact occurs in the system, the limit pin can play an axial limiting function, protecting the flexible member from damage, thereby increasing the service life of the coupling.

The utility model relates to the technical field of universal joint connection, and discloses a light-weight end tooth structure universal joint easy to align teeth, which comprises a rotation axis of the universal joint and an end tooth disc rotating around the rotation axis of the universal joint, a plurality of tooth parts are arranged on the end tooth disc along the rotation axis in a central symmetry manner, and the tooth parts are arranged on the end tooth disc. The tooth part comprises a tooth bottom arranged on the end-toothed disc, a tooth top is arranged at the top of the tooth bottom, symmetrical first tooth surfaces are arranged at the two opposite side ends of the tooth bottom, and symmetrical second tooth surfaces are arranged at the two opposite side ends of the tooth top. The second angle formed by the two second tooth surfaces on the tooth top is configured to be larger than the first angle formed by the two first tooth surfaces on the tooth bottom, the meshing tolerance range between the tooth parts is enlarged through the design, larger tooth alignment tolerance is allowed in the assembling process, and therefore the axial alignment operation of the gear and a matched piece is simplified, and the assembling efficiency is improved. And the adjustment frequency during assembly is reduced.

An I-shaft assembly includes an upper shaft extending along an axis between a first upper end and a first lower end bounding a first hollow bore. An intermediate shaft extends along the axis between a second upper end and a second lower end bounding a second hollow bore. The second upper end is disposed in the first hollow bore. A lower shaft extends along the axis between a third upper end and a third lower end disposed in the second hollow bore. The upper shaft is releasably fixed for controlled movement along the axis relative to the intermediate shaft, and the lower shaft is releasably fixed against movement along the axis relative to the intermediate shaft during a normal operating condition. The upper shaft moves along the axis relative to the intermediate shaft and the lower shaft moves along the axis relative to the intermediate shaft during an abnormal operating condition.

The invention relates to an intelligent transmission shaft assembly and a monitoring method thereof and a vehicle, the intelligent transmission shaft assembly comprises a transmission shaft and a detection assembly, the transmission shaft comprises at least two shaft fork units, at least two cross shaft assemblies and two flange forks, each shaft fork unit comprises a shaft part and a fork part which are connected, a spline pair is formed between the two shaft parts, and the cross shaft assemblies are connected with the two shaft fork units. The spline pair comprises a spline sleeve and a spline shaft, the two fork parts are in transmission connection with the two flange forks through the two cross shaft assemblies respectively, and each flange fork is configured to be connected with a driving wheel; the detection assembly comprises at least three temperature sensors, at least one acceleration sensor and a controller, the three temperature sensors are arranged on the two fork parts and the spline shaft respectively, the acceleration sensor is arranged on the transmission shaft, and the controller is electrically connected with the acceleration sensor and the temperature sensors. Through cooperation of the acceleration sensor and the temperature sensor, the motion state of the transmission shaft is confirmed in real time, faults are avoided, and safe operation of the whole vehicle is guaranteed.

A constant velocity joint includes an outer part having a connecting portion and an opening portion and a plurality of axial grooves forming outer raceways, and an inner part having a plurality of axial grooves forming inner raceways. Each outer raceway and inner raceway form a raceway pair, a ball being disposed in each raceway pair. Each raceway pair defines a region in axial cross-section with respect to a groove longitudinal axis conceptually divided into four quadrants. The outer raceway is in the first and second quadrants and the inner raceway is in the third and fourth quadrants. With torque transmission in a first direction, the ball has two contact points in the first quadrant and / or two contact points in the third quadrant, and with torque transmission in a second direction, the ball has two contact points in the second quadrant and / or two contact points in the fourth quadrant.

A universal joint bearing includes a trunnion, a cup, rolling elements rotatably supporting the cup relative to the trunnion, and at least one seal for sealing a space between the trunnion and the cup. The cup has a substantially cylindrical surface, which is a part of a radially outer surface of the universal joint bearing. All of the rolling elements of the universal joint bearing are arranged in a certain number of rows of rolling elements. A sum of the maximum axial lengths of all the rows of rolling element divided by the sum of the maximum axial length of the substantially cylindrical surface and the maximum axial length of a radially outer surface of the at least one seal, which is another part of the radially outer surface of the universal joint bearing, is between 0.6 and 0.75.

The utility model relates to the technical field of airplane wheel drivers, in particular to a coupler for an airplane wheel driver, which comprises a coupler body, a first coupling and a second coupling, the length of the coupler body is adjustable, the coupler body comprises an inner sleeve and an outer sleeve, and the inner sleeve and the outer sleeve are connected through a movable connecting mechanism; a third flange and a fourth flange are installed at the two ends of the coupling body respectively and fixedly connected with a first flange and a second flange on the first coupling and the second coupling respectively, elastic membranes are arranged between the first flange and the third flange and between the second flange and the fourth flange respectively, and rubber cushions are attached to the two sides of the elastic membranes respectively. The application range and application scene of the coupler are expanded, and meanwhile the service life of the diaphragm and the coupler is prolonged.

The invention discloses an expansion type self-locking universal joint and a self-locking universal transmission assembly, and relates to the technical field of universal joints, the expansion type self-locking universal joint comprises a cross shaft and self-locking bearings, at least one pair of opposite shaft necks of the cross shaft are connected with a joint fork through the self-locking bearings respectively, a forked sleeve is arranged between a bearing ring of each self-locking bearing and a lug hole of the joint fork in a sleeving mode, and the forked sleeves are connected with the cross shaft through the self-locking bearings. The split sleeve and the self-locking bearing are matched to enable the shaft neck to be connected into a lug hole of the joint fork. According to the expansion type self-locking universal joint, through cooperation of the self-locking bearing, the split sleeve and the joint fork, bidirectional interlocking of the universal joint is achieved, it is guaranteed that installation is accurate, meanwhile, stress is uniform, and the problems that the universal joint moves, inclines in the assembling process and the like are solved.