1539results about "Yielding coupling" patented technology

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.

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 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.

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.

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.

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 utility model relates to the technical field of universal joint cross shafts, and discloses a sealing cross shaft universal joint for a commercial vehicle, which comprises a cross shaft main body, a shaft neck fixedly arranged on the cross shaft main body, a shaft sleeve sleeved on the outer side of the shaft neck, a roller pin arranged inside the shaft sleeve, a first oil seal sleeved on one side of the shaft neck close to the cross shaft main body, and a second oil seal sleeved on the other side of the shaft neck. A groove is formed in the inner side of a port of the shaft sleeve, a second oil seal is arranged on the inner wall of the groove, the first oil seal is an external X-shaped oil seal, the second oil seal is an internal star-shaped oil seal, and two inner diameter lips of the first oil seal are in interference fit sealing with a step of the cross shaft body. The two outer diameter X surfaces of the first oil seal are respectively pressed and sealed with the root part of the cross shaft main body and the end opening surface of the shaft sleeve, the two outer diameter lips of the second oil seal are pressed and sealed with the inner wall of the groove, and the inner diameter lip of the second oil seal is pressed and sealed with the outer wall of the shaft neck, so that the problems that the lubricating oil is easy to leak and external dust and impurities are easy to invade in the existing equipment are solved.

The invention relates to the technical field of universal joints, in particular to a conical rolling body universal joint. The conical rolling body universal joint comprises a shaft sleeve unit and a sealing assembly which are arranged on the cross shaft assembly in a sleeving mode. A containing cavity is defined by the sealing assembly, the shaft sleeve unit and the cross shaft assembly; the holder unit is arranged on the cross shaft assembly in a sleeving mode and located at the end, away from the sealing assembly, of the containing cavity; the rolling assemblies are arranged in the containing cavity and arranged in the circumferential direction of the cross shaft assembly at intervals. The retainer unit is provided with a plurality of retaining grooves at intervals in the circumferential direction of the cross shaft assembly; the small-diameter end of the rolling assembly is located in the retaining groove and abuts against the retainer unit. The elastic assembly is located between the sealing assembly and the rolling assembly and arranged on the cross shaft assembly in a sleeving mode; the large-diameter end of the rolling assembly abuts against the elastic assembly. The interaction force between the rolling assembly and the elastic assembly is larger than zero. The problem of how to ensure the stability of the relative position of the rolling assembly under the conditions of low cost and small space is solved.

The invention provides a fault diagnosis method of a torsion damper and a range extender control method and device. The fault diagnosis method and device are used for achieving fault diagnosis of the torsion damper. The method comprises the steps of judging whether an absolute value of a first rotating speed difference between a first rotating speed and a second rotating speed meets a first preset condition or not; in response to the situation that the absolute value of the first rotating speed difference meets a first preset condition, first fault prompt information is generated; wherein the first rotating speed is the rotating speed of a driving rotating component connected with the torsion damper; the second rotating speed is the rotating speed of a driven rotating component connected with the torsion damper; the driving rotating component drives the driven rotating component to rotate through the torsion damper.

[Problem] A design is provided that is capable of suppressing the rattling of an input element. [Solution to the problem] A leaf spring 6 has: two held sections 43, which are arranged on both sides of an input-side engagement section 14 in respect of a second direction perpendicular to a first direction, which is a direction of movement of a pressing surface 33, which moves away from or towards a pressed surface 7 and a central axis of an input element 3, and are held elastically between the input-side engagement section 14 and an input-side gripped section 34; and a base section 44, which connects the two held sections 43.

The utility model relates to the technical field of automobile output shafts, and discloses an automobile output shaft with torque overload protection, which comprises an output shaft body, one end of the output shaft body is fixedly connected with a coupler, one end of the coupler far away from the output shaft body is fixedly connected with a connecting shaft, and one end of the connecting shaft far away from the coupler is fixedly connected with a transmission column. A spline shaft is fixedly connected to the end, away from the transmission column, of the fixed shaft, a spline sleeve is slidably connected to the outer side of the spline shaft, a spring is fixedly connected to one end of the spline sleeve, a disc spring is fixedly connected to the end, away from the spline sleeve, of the spring, and a tooth column is fixedly connected to the end, away from the spring, of the disc spring; high-frequency small-amplitude torque fluctuation is absorbed through the springs, the disc springs cope with low-frequency large-amplitude overload impact, the springs and the disc springs are connected in series to form a graded protection mechanism of flexible buffering and rigid torque limiting, and then the torque overload protection effect is achieved.

To provide a coupling capable of reducing vibration and noise by making axes of two rotors coincident and capable of suppressing durability reduction caused by load reduction of a bearing or the coupling by avoiding strong connection of the coupling, and a manufacturing method of the coupling.SOLUTION: A coupling comprises: a first rotor including a first end face and being rotatable around a first rotation axis; a second rotor including a second end face opposed with the first end face; a first rotation transmission part of the first rotor; a second rotation transmission part which is provided in the second rotor and disposed side by side with the first rotation part in a circumferential direction; and a first joint member which is positioned between both the rotation transmission parts, includes a first side face directed toward the first rotation transmission part, a second side face directed toward the second rotation transmission part and a first protrusion protruding from the first side face to the first rotation transmission part and is capable of forming a clearance between the first protrusion and the first rotation transmission part by compression plastic deformation of the first protrusion in the circumferential direction.SELECTED DRAWING: Figure 2

This invention discloses a high-elasticity coupling for the transmission of the drying cylinder in a paper machine, relating to the field of paper machinery transmission technology. It solves the industry pain points of existing magnetorheological fluid couplings, which offer high precision but are difficult to maintain and have high manufacturing costs. The invention features a closed annular fluid cavity inside the coupling hub, a purely radial through-hole on the outer circumference, and a quick-connect coupling with a 90° tangential deflection flow channel. Two sets of modular self-excited oscillation units with different natural frequencies can be detachably connected via the quick-connect coupling, simultaneously canceling fundamental frequency mechanical vibration and second-harmonic Taylor vortex vibration. It also integrates an electromagnetic coil phase compensation and active enhancement system, and a magnetorheological fluid hydraulic lock bypass overload protection device. This invention improves maintenance efficiency by 200 times, reduces manufacturing costs by 60%, achieves vibration control accuracy below 0.005μm, and has an overload response time of <1ms, making it suitable for high-end paper equipment transmission systems.

This relates to an internal joint member for a constant velocity joint in the form of a counter track joint. [Solution] The joint inner member (13) has a through opening equipped with an engagement structure for introducing a drive shaft from the front side (20) and an axial position fixing structure in the rear direction, a first ball track (23A) inclined toward the front side (20) and a second ball track (23B) inclined toward the rear side, and the joint inner member (13) has a recess (32) recessed relative to the bottom of the track in a circumferential section having at least the second ball track (23B) on the front side (20), and the radial thickness formed between the recess (32) and the through opening is less than 1.3 times the minimum radial thickness formed between the first ball track (23A) and the through opening on the front side (20).

Disclosed is a corner module apparatus for a vehicle. The corner module includes a knuckle coupled to a wheel bearing rotatably supporting a wheel, a drive motor, configured to generate a drive power, spaced a distance away from the wheel, a transfer shaft, disposed between the wheel and the drive motor, configured to transfer the drive power generated from the drive motor, a suspension connected to the knuckle and configured to absorb shock transferred from a road surface, and a steering system configured to support the drive motor and the suspension and to adjust a steering wheel of the wheel.

The present invention relates to a drive shaft arrangement (27, 127) for an all-wheel drive electric vehicle (1), comprising a drive shaft (23) arranged to transfer torque a drive shaft joint (32, 132) at least partially enclosing a drive shaft end portion (23a, 123a), wherein the drive shaft joint (32) comprises a housing (31, 131) and a one-way clutch (41a, 141a) provided at an inner portion (33, 133) of said housing (31, 131). The one-way clutch (41a, 141a) being arranged within said inner portion (33, 133) to engage with said drive shaft (23) at a first drive shaft state, in which the drive shaft (23) transfers torque from said drive shaft (23) in a first direction; disengage from said drive shaft (23) at a second drive shaft state, in which the drive shaft (23) is idle or transfers torque in a second direction opposite to the first direction. The present invention also relates to a vehicle (1) comprising said drive shaft arrangement (27, 127).

A longitudinal adjuster may have one pair of rails and a drive device for the pair of rails. The pair of rails has a first rail and a second rail, on which the first rail is guided displaceably. The drive device has a geared motor with an output shaft, a motor, a gear unit, a spindle, and a coupling arrangement for coupling the spindle and the output shaft. The spindle is mounted rotatably about a spindle axis. The coupling arrangement may have a flexible coupling which is connected in a form-fitting and / or force-fitting manner on the one hand to a spindle end and on the other hand to a shaft end of the output shaft and is designed to damp vibrations and / or to compensate for an offset between the spindle end and the shaft end. A vehicle seat may have

This invention proposes a coupling, comprising: a first coupling body and a second coupling body; a connecting member for connecting the first coupling body and the second coupling body; and a housing, the housing including a receiving cavity and an oil injection section, the oil injection section communicating with the receiving cavity. A portion of the first coupling body, a portion of the second coupling body, and the connecting member are disposed within the receiving cavity. The receiving cavity of the coupling provided by this invention is used to store lubricating oil, and the oil injection section is used to inject lubricating oil into the receiving cavity. By placing the portion connecting the first and second coupling bodies within the receiving cavity, during operation, in addition to lubricating the relatively moving friction parts, the heat generated by the coupling will raise the temperature of the lubricating oil. The lubricating oil, in direct contact with the housing, will conduct heat to the housing, further promoting heat dissipation and cooling.

The utility model relates to the technical field of couplings, and discloses an elastic coupling with an irregular inner ring, which comprises an elastic outer ring, the inner side of the elastic outer ring is fixedly connected with a triangular inner ring, the left side and the right side of the elastic outer ring are fixedly connected with cushions, the left side and the right side of the elastic outer ring are fixedly connected with two positioning pins, and the triangular inner ring is fixedly connected with the triangular inner ring. A driven connecting disc is arranged on the right side of the buffer pad on the right side, two first positioning holes are formed in the left side of the driven connecting disc, the right end of the positioning pin on the right side is clamped with the inner wall of the corresponding first positioning hole, and a first fixing block is fixedly connected to the left end of the top of the driven connecting disc. The elastic outer ring can effectively buffer impact and vibration borne by the triangular inner ring, the accuracy and consistency of installation can be guaranteed by conducting preliminary fixing through the positioning pin, then the threaded rod is in threaded connection with the hollow threaded cylinder, the fixing effect is enhanced, assembly is facilitated, and meanwhile larger torque and axial force can be borne.

A joint fork (1) for a rear axle steering system of a motor vehicle comprises an asymmetrically designed base body (2) which has an opening (6) for inserting a central screw (7) oriented perpendicular to a reference plane (BE) of the base body (2), wherein a connecting plane (AE) of the base body (2) inclined to the reference plane (BE) is parallel to the central axes (A11, A12) of two pins (11, 12) inserted into the base body (2), and wherein a U-shaped sheet metal connecting piece (13), the legs (8, 9) of which are designed as parallel cheeks having aligned openings (18, 19), is supported on the base body (2) by a U-base (14) connecting the legs (8, 9) and tangent to the connecting plane (AE), and wherein the two pins (11, 12), which are each located at the transition between are arranged at the U-base (14) and one of the U-legs (8, 9),block any displacement of the sheet metal connecting piece (13) along a reference axis (BA) placed centrally through the aforementioned openings (18, 19).

The invention discloses a machining tool that produces little wear at the joint of a main drive shaft (14) and a transmission shaft (5). The machining tool comprises an upper shaft (6) attached to a main machine device, a transmission shaft (5) inserted into the upper shaft (6), a main drive shaft (14) attached to the head of the transmission shaft (5), a holder (15) inserted into the head of the main drive shaft (14) and having a cutting tool attached thereto, a spherical bearing (4) supporting the outer side of the main drive shaft (14) so that the main drive shaft (14) can be tilted, a center steel ball (7) clamped between the recess of the head of the transmission shaft (5) and the opposite recess of the rear end of the main drive shaft (14), and an axial steel ball (10) disposed in the long groove (11) of the outer surface of the head of the transmission shaft (5) and in the hole (18) of the main drive shaft (14).

The application relates to a protection piece for a transmission shaft assembly connected through a shaft coupling in a cigarette machine leveler, which is arranged at an oil seal part of the transmission shaft assembly; the protection piece comprises a first section and a second section connected in a first direction, the first section is sleeved on the outside of the transmission shaft assembly, the second section is formed with a convex ring by protruding around the edge of the first section, the end face of the convex ring away from the first section is perpendicular to the first direction, and is in sealing contact with the transmission shaft assembly to cover the oil seal part, wherein the first section is further provided with an oil guide channel which penetrates through the first section and is used for connecting an external pipeline. The protection piece is arranged outside the oil seal framework to isolate the oil seal framework from the outside world, so that the direct falling of cut tobacco into the inside of the transmission shaft assembly is blocked, the sealing effect is improved, and the probability of oil leakage is reduced. When the oil amount in the transmission shaft assembly is too much or oil stains are generated, the oil can be discharged from the transmission shaft assembly through the oil guide channel.

The invention relates to the technical field of speed reducers, and discloses a universal assembly for a rotary speed reducer and the rotary speed reducer, the universal assembly comprises a torque input part, a torque output part and a key pin, the torque input part can rotate relative to a base assembly of the rotary speed reducer, and the torque input part is provided with a mounting cavity; the torque output piece comprises an output shaft and a spherical connecting piece, the spherical connecting piece is arranged at one end of the output shaft in the axial direction of the output shaft and is at least partially arranged in the mounting cavity, two first sliding grooves are formed in the peripheral face of the spherical connecting piece, the two first sliding grooves extend in the outer surface of the spherical connecting piece, and the two second sliding grooves extend in the radial direction of the spherical connecting piece; the projections of the two first sliding grooves coincide with the projection of the axis of the spherical connecting piece. The number of the key pins is two, each key pin is arranged on the inner wall of the mounting cavity, and each key pin is in sliding fit with the corresponding first sliding groove in the length direction of the first sliding groove.

The invention relates to a wheel drive device for a motor vehicle, having a wheel hub (2) mounted rotatably about a wheel axis of rotation (18), having a joint housing (1) which has a joint cap (6) and a journal (3) connected fixedly to the joint cap (6) so as to rotate with it, and having a toothing device (7) which has a wheel-hub-side first toothing and a second toothing arranged on an outer circumference of the journal (3), wherein the first toothing is in engagement with the second toothing, as a result of which the wheel hub (2) is connected to the joint housing (1) so as to rotate with it, wherein in an axial region of the toothing device (7) the wheel hub (2) radially surrounds the journal (3), wherein the journal (3) has a first circumferential groove (11) on a side of the toothing device (7) facing away from the joint cap (6) with regard to a direction of the wheel axis of rotation (18), in which groove a securing ring (12) is arranged for axially securing the wheel hub (2) with respect to the wheel housing (1).

A grease composition for outboard constant velocity joints, comprising (a) a diurea-based thickener and (b) a base oil containing a synthetic oil and having a kinematic viscosity at a temperature of -20°C measured according to JIS K 2283 of 3,000 to 20,000 mm2 / s.

Assembly for spring coupling, spring coupling, and corresponding method. This assembly (10) for spring coupling includes a coupling housing (12) adapted to surround a coupling spring (14) of the spring coupling, the coupling housing defining a central housing axis (YY). The assembly includes adjustment means (16) adapted to adjust the axial clearance between the coupling spring (14) and the coupling housing (12). Application to spring couplings. Figure for the abstract: 2

The invention discloses a connecting shaft of a medium plate straightening roll, and relates to the technical field of metallurgical equipment transmission. According to the medium plate straightening roll connecting shaft, the crowned tooth coupling and the multiple sealing structures are arranged through the crowned tooth module, the roller end is connected, and angle compensation, torque transmission and axial force bearing are achieved. The telescopic module is integrated with a long spline pair capable of axially sliding and a large-specification spring, large-stroke telescoping and overall rapid replacement of a connecting shaft are achieved, and a protective cover and multiple seals are arranged. And the intermediate shaft module adopts a standardized interface and a centering welding structure, so that the requirement of long-distance torque transmission is met, and length extension and quick disassembly and assembly are supported. The universal joint module is provided with a cross shaft type universal coupling and an end face tooth anti-loosening structure, and large-angle compensation and anti-vibration torque transmission are achieved. The shaft sleeve module is connected with the universal joint module through end face teeth, and a shaft sleeve inner hole is provided with a key groove used for being connected with external equipment. Therefore, all the modules cooperate, the transmission stability is improved, the service life is prolonged, and the operation efficiency is improved.

In a propeller shaft (PS) which is a power transmission shaft according to the present invention, a fitting amount (L1) of a first constant velocity joint (1) is set to be relatively larger than a slide amount (L2) of a stub shaft (51) with respect to an outer ring member (11). Therefore, on the basis of the dimensional relationship "L1 < L2", one end surface (241) of a retainer (24) in a second constant velocity joint (2) comes into contact with an outer ring-side round portion (213) of an outer ring member (21) so that the sliding of the second constant velocity joint (2) in the axial direction is restricted before an inner ring member (12) and a sleeve member (15) are completely detached from a first shaft (S1) in the first constant velocity joint (1). As a result, there is no concern of the fitting of the first shaft (S1) and the first constant velocity joint (1) becoming loose, even when the second constant velocity joint (2) slides as much as possible.