3023results about "Gearboxes" patented technology

A transmission can include a shaft arrangement including an input shaft configured to couple to a primer mover and an output shaft coaxially aligned with the input shaft; a plurality of drive gears supported by the shaft arrangement and including a first drive gear, a second drive gear, and a third drive gear; a countershaft arrangement including a first and second countershaft supporting a plurality of pinion gears intermeshed with the first, second, and third drive gears; a clutch arrangement including a first clutch assembly and a second clutch assembly operable to lock the first, second, and third drive gears to the shaft arrangement to selectively provide four gear ratios between the input and output shafts.

A case that houses a drive force transmission device includes a circular ring part, fastening boss parts, first ribs, a non-fastening boss part, and a second rib. The circular ring part defines an opening through which a shaft is configured to be inserted. The fastening boss parts are provided around the circular ring part. Fastening members are to be secured to the fastening boss parts. The first ribs are respectively formed between a portion of the fastening boss parts and the circular ring part when viewed from an axial direction of the shaft. The non-fastening boss part is provided between adjacent ones of the fastening boss parts to which the first ribs are not connected, when viewed from the axial direction. A fastening member is not configured to be secured to the non-fastening boss part. The second rib is formed between the non-fastening boss part and the circular ring part.

An electric drivetrain having an axial flux electric motor disposed along a drivetrain axis, the axial flux electric motor disposed to rotate a hollow motor output shaft extending along the drivetrain axis, which hollow motor output shaft engages a first planetary gearset. The first planetary gearset may be engaged and disengaged with a second planetary gearset that is coupled to a differential which, in turn, drives first and second main driveshafts, each of which also extends along the drivetrain axis. The first main driveshaft drives a first wheel hub assembly and the second main driveshaft passes coaxially through the planetary gearsets, the hollow motor output shaft and the axial flux electric motor to drive a second wheel hub assembly.

A coaxial asynchronous motor drive system, including a speed reducer, an electric motor and a main housing, and further including a motor controller, wherein the electric motor and the speed reducer are connected to form a motor reducer assembly and mounted inside the main housing, and the motor controller is fixed to the main housing and connected to the motor reducer assembly. The system reduces parasitic loss of an auxiliary motor drive system of a battery electric four-wheel-drive vehicle and increases the range per charge of the vehicle, and the compact and integrated coaxial motor drive system facilitates maximum utilization of available space of the vehicle.

The invention relates to an electric operating device for a manual valve. The electric operating device comprises a small diesel generating set used for providing a power source, a motor, a planetary gear transmission module, an adjustable fixing disc and a control device, wherein the small diesel generating set supplies power to the motor so as to provide operating power; an adjustable base is arranged at the bottom of the motor, an output shaft of the motor is connected with a sun gear of the planetary gear transmission module, a gear ring of the planetary gear transmission module is meshed with a first planet gear and fixed to the adjustable base, and a first planet carrier of the planetary gear transmission module is connected with an adjustable fixing disc. The adjustable fixing disc is detachably installed on a manual operation door wheel of the valve and used for operating a valve switch. The control device is used for starting and stopping the small diesel generator set and the motor, the problem of energy dependence can be solved, and the first-aid repair efficiency is greatly improved. And meanwhile, the problem that a motor is burnt or gear teeth are broken due to rusting and jamming of a field valve is solved.

A vehicle drive device includes a rotating electric machine disposed on a first axis, an output gear mechanism and an output member disposed on a second axis, and a case that houses these elements. The second axis is disposed below the first axis, a suction port of an oil pump is disposed below the first axis and the second axis and between the first axis and the second axis in a width direction, an outermost gear is disposed so that a direction of rotation at a lower end portion of the outermost gear during forward movement of a vehicle points toward the suction port, and a part of a peripheral wall section of the case that faces a lower surface of the rotating electric machine is inclined downward toward the suction port.

A drivetrain for a mobility vehicle includes: an electric motor and a gearshift device having a plurality of gear ratios between a first gear ratio and an upper gear ratio, the electric motor being connected to at least one output sprocket of the gear shift device.

An arrangement for fixing a housing of a wind turbine gearbox in a nacelle, including a housing-fixing means, a nacelle-fixing means, and at least two spring devices. The spring devices support the housing-fixing means against the nacelle-fixing means in opposite directions along a support axis. The spring devices are arranged on different sides of a plane extending parallel to an axis of rotation of an input shaft of the wind turbine gearbox.

A moving part of the short flexible cylinder active complex parallel radial harmonic transmission is composed of a thin-wall composite short flexible cylinder and two rolling wave generators with roller pins or ball-retainer assemblies. A flexible bearing low-speed moving ring raceway is integrated on one side of the gear, and a full-cylinder-length gear is arranged on the other side of the gear; the two semi-short shafts are fixedly connected to the two ends of a motor rotor respectively, are integrated with flexible bearing high-speed moving ring raceways and are the same in structure size, and a semi-short shaft at one end needs to be coplanar with a semi-long shaft at the other end, so that the two ends of the semi-short shafts generate time-varying radial antisymmetric deformation; the static part is composed of end covers which are fixedly connected to the two ends of the motor stator and provided with rigid gears. A double-convex-arc raceway of a high-speed moving ring of the flexible needle bearing is designed, a convexity needle roller with the middle concave structure dynamically constraining the axial movement amount of a short flexible cylinder and a retainer and various structures facilitating rolling body assembly are used, and a waveform raceway calculation formula of a wave generator for the needle roller is given; therefore, the radial size and the axial size of the active complex radial harmonic transmission can be reduced on the basis of ensuring the transmission precision and the bearing capacity.

Described herein is an axle system wherein the attachment locations of trumpet arms are isolated from the side cover side walls and gearbox housing side walls. In one embodiment, the axle system comprises a gearbox housing comprising lateral ribs / webs, compression tubes extending from one side to an opposite side of the gearbox housing, and couple holes positioned around a perimeter of the gearbox housing, a first side cover coupled to the gearbox housing via bolts and fasteners, a first trumpet arm coupled to the first side cover and the gearbox housing via fasteners, an attachment location of the first trumpet arm being isolated from the side walls of the gearbox housing and the side walls of the first side cover, and a second trumpet arm coupled to the gearbox housing via fasteners, the attachment location of the second trumpet arm being isolated from the side walls of the gearbox housing.

A symmetrical link servo driving device, relating to the technical field of servo motors. The symmetrical link servo driving device comprises a driving mechanism, an electric motor, a gear reduction mechanism and a servo shaft rocker arm mechanism, wherein the gear reduction mechanism is in transmission connection with an output shaft of the electric motor, a servo shaft rocker arm mechanism is provided on the side of the gear reduction mechanism facing away from the electric motor, the servo shaft rocker arm mechanism comprises a base body, a servo shaft is rotationally connected to an inner cavity of the base body, and a crank is provided at a shaft body of the servo shaft; a self-locking mechanism capable of locking the servo shaft is provided at the bottom of the inner cavity of the base body; and a driving mechanism is provided on one side of the electric motor, the driving mechanism comprises a housing, a lead screw is rotationally connected in the housing, and the lead screw is correspondingly in transmission connection with an output gear of the gear reduction mechanism. The present invention has a simple structure, and the electric motor and the driving mechanism are arranged in parallel to effectively reduce the overall volume, such that the whole device is compact and small. The self-locking mechanism capable of locking the servo shaft is provided at the bottom of the inner cavity of the base body, that is, when the servo shaft stops rotating, the servo shaft can be locked by means of the self-locking mechanism, thereby preventing an external force from being transmitted to the driving mechanism by means of the servo shaft.

A drive assembly includes: a reduction gearbox including a reduction gearbox housing, a reduction gearbox input shaft, and a reduction gearbox output component, the reduction gearbox input shaft and the reduction gearbox output component being drivingly connected to each other and arranged in the reduction gearbox housing; a motor including a motor housing, a motor stator, and a motor rotor, the motor stator being arranged in the motor housing and fixedly connected to the motor housing, the motor rotor being arranged in the motor stator, the motor rotor including a motor output shaft drivingly connected to the reduction gearbox input shaft; and an axle including an axle housing and an axle input shaft arranged in the axle housing, the axle input shaft being drivingly connected w the reduction gearbox output component. The motor housing and the axle housing are fixedly connected to the reduction gearbox housing.

The invention relates to a transmission device, a transmission system, a wind generating set and a maintenance method, the transmission device comprises a shafting assembly and an interference magnitude adjusting device, the shafting assembly comprises a main shaft and a bearing, the bearing is arranged around the main shaft, an inner ring of the bearing is in interference fit with the main shaft, and the main shaft is provided with a hollow cavity. The interference magnitude adjusting device is arranged in the hollow cavity and used for applying acting force to the inner wall face, defined by the main shaft, of the hollow cavity, so that the main shaft deforms to adjust the interference fit amount between the main shaft and the inner ring of the bearing. The bearing ring running probability can be reduced, and the power generation benefit of the wind generating set is guaranteed.

The invention provides a driving system and a vehicle. The driving system comprises a shell assembly, a shaft assembly, a motor assembly, a planet row and a cooling and lubricating system. The shaft assembly is rotationally connected to the shell assembly through a bearing, and the motor assembly and the planet row are coaxially arranged on the shaft assembly and are in transmission connection with the shaft assembly. The cooling and lubricating system comprises an oil supply device, a first main oil way, a second main oil way and a third main oil way, one end of the first main oil way is communicated with the oil supply device, the other end of the first main oil way is communicated with the second main oil way and the third main oil way, an oil channel extending in the axial direction is formed in the shaft assembly, and a plurality of oil outlet holes are formed in the shaft assembly in the radial direction. The oil outlet holes are communicated with the oil channel, the second main oil way is communicated with the oil channel, at least one oil outlet hole is used for spraying oil to at least one of the motor assembly and the bearing, and at least part of the third main oil way is used for spraying oil to the planet row. The driving system actively cools and lubricates key components by reasonably arranging oil ways, and the cooling and lubricating effect is improved.

The invention relates to a gearbox supporting device for a wind turbine generator and a gearbox assembly of the wind turbine generator. The gear box supporting device for the wind turbine generator comprises a movable core shaft and a supporting rod, wherein the movable core shaft penetrates through a connecting hole of a gear box; the rack mounting frame is connected with a rack, a hollow mounting space is formed in the rack mounting frame, and the end part of the movable core shaft extends into the mounting space; the first elastic component is positioned in the mounting space, surrounds the end part of the movable core shaft and keeps the end part of the movable core shaft in the mounting space of the rack mounting frame; and the second elastic assembly surrounds the movable core shaft and keeps the movable core shaft in the connecting hole.

A drive module assembly for use in a vehicle includes a housing defining a housing interior, and an electric machine including a rotor and a stator. The drive module assembly also includes a differential rotatably coupled to the rotor, a first input shaft rotatably coupled to the differential, a second input shaft rotatably coupled to the differential, a first counter shaft rotatably coupled to the first input shaft, a second counter shaft rotatably coupled to the second input shaft, a first output shaft rotatably coupled to the first counter shaft, and a second output shaft rotatably coupled to the second counter shaft. The differential is configured to receive rotational torque from the electric machine and configured to transmit rotational torque from the electric machine to the first and second input shafts.

The invention provides a fuel-based, single-engine multirotor drone, wherein the drone comprises a body, a turboshaft engine to generate rotational movement, a plurality of rotors, a plurality of pulleys, a plurality of transmission belts, and a gearbox assembly. The gearbox assembly comprises a pair of coaxial counter-rotating gears which are coupled to a pair of coaxial counter-rotating shafts, wherein the rotational movement of the engine is transferred synchronously from the counter-rotating shafts of the gearbox to the plurality of the rotors through the plurality of pulleys and transmission belts.

A motorcycle with a single transmission breather that is mounted over the transmission case. Crank case gas passes through the breather. Oil separated from the breather drains back to a cavity under the breather. Gases separated in the breather travel through a breather hose to an airbox. The breather utilizes a sloped incline in order to prevent oil that separates out from pooling.

An electric axle assembly includes a banjo axle housing, first and second half shafts, and an electric drive unit. The banjo axle housing has a central portion that defines a receiving space and first and second openings providing access to the receiving space, first and second beams extending from the central portion in opposite first and second axial directions, and defining first and second beam hollows in communication with the receiving space. The half shafts extend within the first and second beam hollows. The electric drive unit includes a motor, a differential, and a housing having first and second housing components. At least one of the first and second housing components defines a motor housing region, the first and second housing components define a gearbox region, and the first and second housing components define first and second apertures that provide access for coupling the half shafts with the differential.

A transmission arrangement for a vehicle, the transmission arrangement comprising a first input shaft comprising a first input shaft gear wheel rotationally fixed to the first input shaft, a second input shaft comprising a second input shaft gear wheel rotationally fixed to the second input shaft, a transmission shaft drivingly connectable to a pair of wheels of the vehicle, the transmission shaft comprising a transmission gear wheel rotationally fixed to the transmission shaft, the transmission gear wheel being arranged in meshing engagement with the first input shaft gear wheel, and a countershaft comprising a first countershaft gear wheel arranged in meshing engagement with the transmission gear wheel, and a second countershaft gear wheel arranged in meshing engagement with second input shaft gear wheel, wherein the second input shaft is drivingly connectable to the transmission shaft via the countershaft.

The invention discloses an NGW planetary speed change device and a speed change gear shifting method. The device comprises an input shaft, a sliding gear sleeve, a multi-stage planetary transmission gear pair and an output gear ring. The multi-stage planetary transmission gear pair and the output gear ring are sequentially connected, a planet carrier of the multi-stage planetary transmission gear pair is fixedly connected with the outside, the sliding gear sleeve is provided with an inner spline and an outer spline, one end of the input shaft is connected with the input motor, and the other end of the input shaft is connected with a spline inner hole of the sliding gear sleeve. An outer spline of the sliding gear sleeve is connected with the input end of the multi-stage planetary transmission gear pair in a matched mode, and the output end of the multi-stage planetary transmission gear pair is connected with the output gear ring in a matched mode. The input motor drives the input shaft and the sliding gear sleeve to be connected with different levels of planetary transmission gear pairs, so that the transmission route of torque in the planetary speed change device is changed, and gear shifting and speed changing are achieved. The gear shifting mechanism has the advantages of compact structure, simple gear shifting mode, stable performance and the like, and meanwhile, the defect that hydraulic elements are difficult to manufacture is avoided.

The invention relates to the technical field of harmonic reducers, and particularly discloses a modular harmonic reducer for humanoid robot joints and an assembly process thereof, and the modular harmonic reducer comprises a mounting shell, a reducer body, a base plate and a first limiting piece; the mounting shell is provided with a containing cavity for containing the speed reducer body, the wall body of the mounting shell is provided with an assembly hole penetrating in the axial direction of the mounting shell, the speed reducer body comprises a flexible gear, a rigid gear and a wave generator, and the first limiting piece is provided with an annular limiting boss used for fixing an external bearing. A motor shaft of an external driving motor is connected with the wave generator of the speed reducer body in a matched mode through a bearing and the annular limiting boss. The speed reducer further comprises a quick-release connecting piece, the speed reducer body is arranged in the mounting shell, the quick-release connecting piece penetrates through the assembly hole and is connected with the base plate to limit the speed reducer body between the mounting shell and the base plate, and the base plate is arranged between an external driving motor and the mounting shell.

The invention discloses a gear shifting gearbox and an asynchronous rolling mill, and relates to the technical field of rolling equipment. The transmission mechanism comprises a main transmission shaft, a first output shaft and a second output shaft, the main transmission shaft, the first output shaft and the second output shaft can be rotationally installed in the box body along the axes of the main transmission shaft, the first output shaft and the second output shaft are driven by the main transmission shaft to rotate, and the rotation directions of the first output shaft and the second output shaft are opposite; the gear shifting mechanism comprises a wheel disc and a plurality of first gear sets, the wheel disc can rotate around the axis of the wheel disc to be connected to the main transmission shaft, the first gear sets are arranged on one end face in the wheel disc, all the first gear sets are in transmission connection with the main transmission shaft, and different first gear sets are switched through rotation of the wheel disc to be in transmission connection with the first output shaft; the main transmission shaft is in transmission connection with the first output shaft through one of the multiple first gear sets, the transmission ratios of the first gear sets are different, and multiple rotation speed ratios exist between the first output shaft and the second output shaft.

The invention discloses a built-in cycloid speed reducer of a humanoid robot joint pin type output structure and a joint module. The problems that an existing robot joint module is large in size, complex in structure, insufficient in transmission reliability and bearing capacity and the like are solved. According to the invention, the frameless torque motor and the cycloidal-pin wheel speed reducer are designed in an integrated built-in manner, so that the structure is highly compact; an output mechanism of the cycloidal speed reducer adopts a pin type output structure, a plurality of transmission pin shafts arranged on an output flange are directly meshed with pin holes in a cycloidal gear, planetary motion of the cycloidal gear is accurately converted into pure rotation motion of the output flange, and the pin type output structure has the advantages of being simple in structure, reliable in transmission and high in bearing capacity. In addition, a parabola modification method is adopted for the tooth profile of the cycloidal gear, the meshing characteristic of the gear is optimized, the transmission stability is improved, and noise is reduced. The joint module has the advantages of being high in integration degree, high in torque density, high in rigidity, high in impact resistance and the like, and is particularly suitable for humanoid robot joints with strict requirements for space and performance.

An assembly for a propulsion system of an aircraft includes a gearbox module, an electric motor assembly, a first accessory load assembly, and a propulsor. The gearbox module includes a gear assembly and an output shaft. The gear assembly includes a main gear and a plurality of offset gears. The electric motor assembly includes an electric motor. The electric motor includes a rotor. The rotor is mounted to a first offset gear of the plurality of offset gears. The rotor is configured for rotation about a rotational axis to drive rotation of the gear assembly and the output shaft. The first accessory load assembly includes at least one first accessory load. The at least one first accessory load is mounted to a second offset gear of the plurality of offset gears. The propulsor is coupled to the output shaft.

Provided is a transmission device capable of suppressing a decrease in lubricity of a bearing. An aspect of the present disclosure is a transmission device including a transmission mechanism and a gear case accommodating the transmission mechanism. The transmission mechanism includes an input gear, a counter gear, and a ring gear. The counter gear includes a first gear and a second gear. The rotation axis of the counter gear is positioned above the rotation axis of the input gear and the rotation axis of the ring gear. The gear case includes a catch tank, a main guide that sends the oil scraped up by the ring gear to the catch tank when the ring gear rotates in the first direction, and a reverse guide that sends the oil scraped up by the first gear to the catch tank when the ring gear rotates in the second direction.

The invention relates to the technical field of robots, in particular to a joint module and a robot, and solves the problem that the axial size of the joint module is large and cannot meet user requirements. The joint module comprises a fixing assembly, a motor assembly, a first-stage sun gear, a plurality of first-stage planet gears, a first-stage planet carrier, a second-stage sun gear, a plurality of second-stage planet gears and a second-stage planet carrier. The fixing assembly comprises an inner gear ring. The inner gear ring, the first-stage sun gear, the multiple first-stage planet gears and the first-stage planet carrier form a first-stage speed reduction structure, and the inner gear ring, the second-stage sun gear, the multiple second-stage planet gears and the second-stage planet carrier form a second-stage speed reduction structure. The motor assembly is arranged on the outer ring of the inner gear ring in a sleeving mode, that is, the first-stage speed reduction structure and the second-stage speed reduction structure are both embedded in the inner ring of the motor assembly, and the axial size of the joint module is reduced.

The invention relates to a sealing structure, in particular to a combined sealing structure for an output shaft of a marine gearbox. The problem that an existing sealing component can cause leakage under the conditions that an output shaft is static, low in speed, large in lubricating oil amount, too large in oil pressure and the like is solved. A three-stage combined sealing structure is formed by the oil slinger, the labyrinth sealing ring and the lip-shaped sealing assembly. The oil slinger arranged on the output shaft is simple in structure, convenient to transform and good in economical efficiency. The labyrinth sealing ring not only can meet the sealing requirement of a rotating part, but also has self-adaptive flexural deflection, and can be automatically adjusted in a limited manner, so that a good sealing effect is achieved. The lip-shaped sealing assembly structurally achieves the bidirectional sealing effect, internal lubricating oil can be sealed, and water, dust, silt and other external impurities are prevented from entering the gearbox. Through the application of the combined sealing structure, leakage is reduced step by step. The invention belongs to the technical field of gearbox sealing.