1520results about "Gearboxes" patented technology

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.

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 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.

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.

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 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.

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 vehicles, and provides a shell structure, a driving system and a vehicle, the shell structure comprises a speed change mechanism mounting cavity and a lubricating oil way, a plurality of bearing mounting holes are formed in the cavity wall of the speed change mechanism mounting cavity, the lubricating oil way comprises a branch oil way, and the branch oil way is communicated with at least one bearing mounting hole. According to the shell structure, oil can be pumped into the branch oil ways through the oil pump, the branch oil ways are supplied to one or more corresponding bearing mounting holes in the speed change mechanism mounting cavity, and bearings in the bearing mounting holes communicated with the branch oil ways can be fully lubricated even under special working conditions. In addition, through the arrangement of the lubricating oil way, the number of lubricating accessories in the speed change mechanism mounting cavity can be reduced, the internal space of the speed change mechanism mounting cavity is saved, the assembly technological process of the driving system is shortened, and the production cost is reduced.

Snowmobile transmission, including a housing with a cover, an input shaft and an output shaft arranged inside the housing, and a chain transmission drive including a chain connecting a drive sprocket arranged on the input shaft to a driven sprocket arranged on the output shaft, a reverse gear axle about which a reverse gear sprocket freely rotates also arranged inside the housing, the reverse gear sprocket engaging with the chain, and a reverse gear engaging with a movable gear arranged on a grooved sleeve of the input shaft, which is movable by tilting an inner switching fork and being driven by an axle with a lever, an adjusting rod, an outer switching fork, wherein rotation of the outer switching fork is restricted by a removable sector attached to the housing cover, and an adjusting screw arranged on the housing, abutting against a support sleeve and fixed by a cotter pin.

The invention relates to a disengagement device, in particular to a mechanical disengagement device for a subway gear box, and solves the problems that according to an existing speed reducer dynamic disengagement device, when inner teeth of a gear sleeve are combined with outer teeth of combination teeth, a synchronous ring is used for a long time, friction force is reduced, and the failure rate is increased. The outer spline section is arranged on the axle, the out-of-gear sliding sleeve is meshed with the outer spline section of the axle through the inner spline on the inner wall and is in sliding fit with the axle in the axial direction, and when the traction motor breaks down, the shifting fork is driven by the executing mechanism to shift the out-of-gear sliding sleeve, so that the outer spline of the out-of-gear sliding sleeve is separated from the inner spline of the sliding groove of the driven gear; at the moment, torque is input from the axle and transmitted into the out-of-gear sliding sleeve, the out-of-gear sliding sleeve is not meshed with the driven gear any more, the driven gear is only rotationally connected with the axle, torque transmission is interrupted, the structure is simple, meshing of the out-of-gear sliding sleeve and the driven gear does not need a synchronizing ring, and fault points are reduced.

An electric drive for a vehicle comprises a housing, an electric machine with a stator connected to the housing and including stator end-windings, a rotor rotatable relative to the stator, and a driveshaft connected to the rotor and rotatably supported in the housing about an axis of rotation, a transmission to transmit a rotary movement from the driveshaft to drive a driveline of the vehicle, and a hydraulic circuit for circulating a fluid.

The shell is provided with a first bearing chamber, a second bearing chamber, an oil storage area, a first oil hole and a second oil hole, the first oil hole is communicated with the oil storage area and the first bearing chamber, and the second oil hole is communicated with the oil storage area and the second bearing chamber. An amount of oil flowing to the first bearing chamber via the oil storage region is different from an amount of oil flowing to the second bearing chamber via the oil storage region. Different kinds of lubricating oil can be distributed to the first bearing chamber and the second bearing chamber by reasonably designing the oil quantity of the lubricating oil distributed to the first bearing chamber and the second bearing chamber by the oil storage area. On one hand, the situation that lubricating oil is wasted due to the fact that the amount of the lubricating oil flowing to the first bearing chamber and / or the second bearing chamber is large can be effectively avoided; and on the other hand, the situation that the bearing arranged in the first bearing chamber and / or the second bearing chamber is abraded due to the fact that the amount of lubricating oil flowing to the first bearing chamber and / or the second bearing chamber is small can be avoided.

The invention provides a harmonic gear speed reducer, and relates to the technical field of speed reducers, the harmonic gear speed reducer comprises a driving module and a protection module, one side of the output end of the driving module is provided with a flange module, the output end of the driving module is provided with a wave generator module, and a bearing module a is arranged between the driving module and the wave generator module; a rigid gear ring is arranged in the protection module, a noise reduction module is arranged on the inner wall of the protection module, a flexible module is arranged in the protection module, an output shaft module is installed on the front side of the flexible module, and a bearing module b is arranged between the interior of the output shaft module and the driving module. A lubricating module is arranged on the inner side of the protection module; according to the flexible module, the flexible gears are mutually dragged through the elastic wear-resistant connecting pieces, it is ensured that deformation of a single gear can be synchronously transmitted to other gears, stress and deformation of the whole flexible module are coordinated and consistent, and the problem of local stress overload is further avoided.

The invention discloses a pedal motor assembly. The pedal motor assembly comprises a shell; the reduction gearbox body comprises a connecting part, a mounting gear part and a driving part; wherein the machine shell is fixedly connected with the connecting part of the reduction gearbox body, and an O-shaped ring is arranged at the joint of the machine shell and the connecting part for sealing; the armature shaft is arranged in the shell; the transmission part is arranged in the mounting gear part of the reduction gearbox body and used for transmitting power, and the transmission part comprises a second worm; and the first turbine is arranged in the driving part of the reduction gearbox body and is meshed with the second worm. The pedal motor assembly is excellent in sealing and protecting performance and can adapt to a complex automobile environment. The machine shell and the reduction gearbox body are sealed through an O-shaped ring, the end cover is arranged at the end of the driving part for sealing, and dust and liquid can be effectively prevented from invading. The wire harness is protected by a corrugated pipe, and the connector is waterproof, so that the influence of vibration and water vapor on electric signal transmission is avoided.

The invention relates to the technical field of vehicle transmission systems, in particular to a dual-motor integrated power gear shifting gearbox system which comprises a power driving motor, an oil pump driving motor, a gearbox body, a fixed shaft type two-gear power gear shifting gearbox body, a hydraulic system and a control system. The double-clutch power gear shifting technology is matched with the cooperative control strategy, seamless connection of power in the gear shifting process is achieved, the phenomenon of power interruption of a traditional AMT gearbox is avoided, the AMT gearbox is particularly suitable for climbing, heavy-load operation and other scenes with the extremely high requirement for power continuity, the operation safety and efficiency are remarkably improved, and the application range is wide. The linear speed of a key transmission part is greatly reduced. The linear speed of the gear is a core influence factor of noise and heating, the sliding friction of the tooth surface can be directly reduced by reducing the linear speed, the meshing impact energy is reduced, and the meshing frequency is kept away from the most sensitive frequency band of human ears. Actual measurement shows that the layout change can bring noise reduction exceeding 10dBA.

A vehicle drive device includes: a rotating electrical machine; a differential transmission device; a power transmission device; a power module; a wiring portion; and a case. The case forms, above a plane including the axis of a rotation shaft of the rotating electrical machine and the axis of an output shaft, a first, second, and third housing portion.The first portion overlaps the rotating electrical machine as viewed in an axial direction of the rotating electrical machine, and overlaps the power transmission device as viewed in an up-down direction. The second portion overlaps the rotating electrical machine as viewed in a direction perpendicular to both the axial direction of the rotating electrical machine and the up-down direction, and overlaps the output shaft as viewed in the up-down direction. The third portion is adjacent to the first and second portions, and overlaps the output shaft as viewed in the up-down direction.

A hydraulic system for a vehicle is provided. The hydraulic system includes a first electric motor, a second electric motor, a gearbox arranged to be driven by the first and second electric motors, a hydraulic pump arranged to be driven by the gearbox, and a control arrangement configured to individually control the first and second electric motors to either run at a reference speed or to deliver a reference torque and during operation control at least one of the first and second electric motors to deliver a reference torque.

The utility model discloses a lubrication structure for electric drive assembly, including reduction gearbox casing, and the input shaft, output shaft, oil collection chamber and oil line that are provided in reduction gearbox casing, input shaft and output shaft transmission connection, output shaft is provided with output shaft gear, oil collection chamber is located on one side of output shaft gear, oil line is located on one side of output shaft gear, oil line is located on the other side of output shaft gear, and oil line is located on the other side of output shaft gear. The output shaft gear is used for stirring lubricating oil to splash into the oil collecting cavity, the oil way is located below the oil collecting cavity, one end of the oil way is communicated with the oil collecting cavity, and the other end of the oil way extends to the spline of the input shaft. The lubricating structure for the electric drive assembly has the advantages of being simple in structure, good in lubricating effect and high in adaptability.

The invention relates to the technical field of transmission speed reducers, and discloses a transmission speed reducer with a cleaning device.The transmission speed reducer comprises a speed reducer body arranged on a rack, the speed reducer body comprises a base, a cover plate and a core component located in the base, and the cover plate is located at the top of the core component and connected with the top of the base; a liquid storage tank, a liquid inlet pipe, a liquid outlet pipe, a spraying mechanism and a filtering mechanism are arranged on the rack, the liquid storage tank is located on one side of the base, one end of the liquid inlet pipe is communicated with the liquid storage tank, the other end of the liquid inlet pipe is communicated with the base, one end of the liquid outlet pipe is communicated with the liquid storage tank, and the other end of the liquid outlet pipe is communicated with the filtering mechanism; the device is simple in structure and reasonable in design, through the spraying mechanism, metal chippings are driven by liquid to be separated from a core component and then move to the base, after the metal chippings pass through the liquid outlet pipe, the liquid is filtered through the filtering mechanism, the metal chippings are conveyed to a set position, damage to the core component caused by the metal chippings on the core component is reduced, and the service life of the core component is prolonged. The service life of core parts is prolonged.

The invention relates to the technical field of automobile transmission systems, in particular to an intelligent transmission system ventilation structure which comprises a shell. A transmission system oil cavity, a control structure and a ventilation structure are arranged in the shell. The transmission system oil cavity is indirectly connected with the ventilation structure through the control structure. The ventilation structure comprises a ventilation valve and an air inlet valve which are arranged on the shell; the vent valve only allows the medium to be unidirectionally conducted from the inside to the outside of the shell, and prevents the external medium from reversely flowing into an oil cavity of the transmission system; the air inlet valve is opened in a normal state; the control structure is used for regulating and controlling the on-off state of the transmission system oil cavity and the ventilation valve and the on-off state of the transmission system oil cavity and the air inlet valve according to the pressure change in the transmission system oil cavity. According to the technical scheme, the problem that a traditional ventilation structure is difficult to consider the sealing performance and the ventilation efficiency under the complex working condition is effectively solved, the gas flowing path is dynamically regulated and controlled by sensing the pressure change in the oil cavity in real time, and precise switching between gas exhaust and gas inlet is achieved.

Transmission (210) for a vehicle (1201) with a drive shaft (221) and an output shaft (222), with an automatic transmission (213) composed of a plurality of planetary gear sets for switchable adjustment of a plurality of speed ratios between a speed of the drive shaft (221) and a speed of the output shaft (222), and with a reversing unit (215) connected in series in a drive connection between the drive shaft (221) and the output shaft (222) to the automatic transmission (213) for switchable adjustment of a reversal of the direction of rotation acting on the plurality of speed ratios between a direction of rotation of the drive shaft (221) and a direction of rotation of the output shaft (222), characterized in that the transmission (210) has a transmission housing (225; 441, 443, 545) in which the automatic transmission (213) and the reversing unit (215) are jointly arranged are that the gearbox housing (225;441, 443, 545) a housing wall (441, 545) extending continuously in the direction of extension of the drive shaft (221) and the output shaft (222) and enclosing the automatic transmission (213) and the reversing unit (215), and a housing cover (443) closing the housing wall (441, 545) on the side of the output shaft (222), wherein the output shaft (222) extends through an opening in the housing cover (443).

The invention relates to an improved speed reducer which comprises a base body. The input shaft is rotatably arranged in the mounting cavity and is provided with a transmission wave surface of which the lower surface is fluctuant; the output shaft is provided with a first gear ring opposite to the transmission wave surface; an outer ring of the flexible gear is restrained in the mounting cavity, an inner ring of the flexible gear is clamped between the transmission wave surface and the first gear ring, and the lower surface of the inner ring is provided with a second gear ring which can be driven by the transmission wave surface to generate local deformation so as to be meshed with or separated from the first gear ring; the positioning piece is arranged close to the inner wall face of the base body, first positioning teeth are arranged on the top of the positioning piece, and second positioning teeth meshed with the first positioning teeth for limiting are arranged on the lower surface of the flexible gear outer ring. The meshing limiting between the flexible gear outer ring and the positioning piece increases the force transmission surface, and when the partial deformation of the flexible gear inner ring transmits the circumferential unbalanced force to the flexible gear outer ring, the force transmission and dispersion can be carried out by means of the meshing relationship, so that the stress of each part of the flexible gear positioning surface is uniform, and the problem of local cracking of the flexible gear is avoided.

The utility model discloses a self-locking and unlocking structure of a worm and gear speed reducer. The self-locking and unlocking structure comprises a power on-off control module, a positioning and limiting module, a protection buffering module and a clutch control module. According to the utility model, the device can be ensured not to be easily opened by external force when needing to be kept closed, so that accidents are effectively prevented; a self-locking and unlocking function is added, the device can be unlocked in time when needed, mechanical damage caused by long-time locking of the device is reduced, the overall durability and reliability of the device are improved, the functionality and the integration degree of the device are remarkably improved through the modular design, all the modules perform their own functions and work cooperatively, and the device is convenient to use. The power transmission and cut-off process is optimized, the performance of positioning, limiting, protection and clutch control is greatly enhanced, a solid foundation is laid for stable and reliable operation of the worm and gear speed reducer under various complex working conditions, and the limitation of traditional single-function design is comprehensively exceeded.

The utility model discloses a stepped hole positioning electric drive gearbox assembly. The stepped hole positioning electric drive gearbox assembly specifically comprises a first shell, a second shell and a positioning pin. A first positioning hole is formed in the connecting surface of the first shell, a second positioning hole corresponding to the first positioning hole is formed in the second shell, and the first shell and the second shell are in positioning connection through the first positioning hole, the second positioning hole and a positioning pin; the first positioning hole and / or the second positioning hole are / is stepped holes, each stepped hole comprises a guiding section close to the hole opening and a matching section away from the hole opening, the hole diameter of the guiding section is larger than that of the matching section, and the guiding section is used for guiding the positioning pin to enter the matching section. In the electric drive gearbox assembly, the first shell can be pre-positioned when being assembled with the second shell, and the first shell can be radially adjusted relative to the second shell during pre-positioning, so that the first shell and the second shell can be conveniently positioned and assembled, and the electric drive gearbox assembly can be automatically and massively assembled.

The application discloses a hydraulic control cog-type clutch four-wheel drive mechanism and a working method thereof, and belongs to the technical field of four-wheel drive mechanisms.The hydraulic control cog-type clutch four-wheel drive mechanism comprises a four-wheel drive piston and a hydraulic cylinder forming a sealed hydraulic cavity, wherein the hydraulic cavity is connected with a main oil path, the main oil path is provided with a switch valve, and the main oil path supplies oil to the hydraulic cavity when the switch valve is opened; the hydraulic cylinder is provided with an oil discharge hole; the oil discharge hole is communicated with the hydraulic cavity and discharges oil to a gearbox; the end faces of the four-wheel drive piston and the four-wheel drive output shaft are respectively provided with trapezoidal teeth capable of being engaged; the four-wheel drive output shaft is connected with a transmission output shaft through a mandrel; and the mandrel and the transmission output shaft realize radial positioning constraint of the four-wheel drive output shaft through a cylindrical roller bearing.The four-wheel drive piston is controlled by hydraulic pressure, the four-wheel drive piston and the four-wheel drive output shaft are combined or separated, power switching between two-wheel drive and four-wheel drive is realized, the tooth part structure of the cog-type clutch is designed, the cog-type clutch realizes self-centering function through the tooth end face inclination angle, and the mechanism realizes stable engagement, accurate limiting and self-locking function.

The utility model provides wind power gear box planet carrier axle hole coaxial degree correction device relates to wind power gear box planet carrier axle hole correction technical field, including device seat, the top middle position fixed mounting of device seat has chuck clamp, the top middle position clamping of chuck clamp has planet carrier body, the periphery of planet carrier body is equipped with three mounting holes, and the top rear position of device seat is connected with the rear end position fixed connection of support frame bottom. Through comparing the detection data of different mounting holes, ensure the coaxial degree and position accuracy consistency between multiple axle holes, satisfy the high accuracy requirement of wind power gear box to planet carrier axle hole, and then guarantee the transmission efficiency, operation stability and service life of gear box. The current wind power gear box planet carrier axle hole coaxial degree correction lacks intuitive scale display and quantitative adjusting mechanism, cannot monitor deviation data in real time in the correction process, leads to the problem that the correction effect is unstable, and the rework rate is higher.

This application provides a brushless external rotor motor and a curtain drive device. The brushless external rotor motor includes a motor housing, an output shaft, bearings, an inner stator, and an outer rotor. The bearings and the inner stator are fixedly disposed inside the motor housing. The output shaft is rotatably mounted on the bearings and its upper end passes through the output shaft hole at the upper end of the motor housing. The outer rotor is fixedly disposed at the lower end of the output shaft. The motor housing of this application covers the outer rotor and serves to fix it in place, axially fixing the outer rotor inside the outer rotor housing. There is a gap between the outer rotor and the inner wall of the motor housing, which can reduce noise and lower the noise during the operation of the outer rotor. The motor is assembled and installed through the motor housing, which can be easily connected to the gearbox. It has the advantages of high integration and low noise.