1917results about "Axle units" patented technology

A coaxial electric drive axle comprises an electric drive assembly and an electric drive axle housing, the drive assembly comprises a housing, a motor, a speed reducer gear set and a differential mechanism, the motor, the speed reducer gear set and the differential mechanism are arranged in the electric drive axle housing of an integrated structure, the electric drive axle housing comprises a main axle housing and a rear cover, the main axle housing is provided with a mounting cavity, the rear side of the main axle housing is connected with the rear cover, and the front side of the main axle housing is connected with the housing. The shell is provided with a stator fixing plate, a motor stator is fixed on the stator fixing plate, a motor shaft, an intermediate shaft and a differential mechanism are supported on the shell through bearings, the motor shaft is connected with the differential mechanism through a speed reducer gear set, the shell is connected with a main axle housing, and the motor, a primary driving gear, a secondary driven gear and the differential mechanism are arranged in a main axle housing mounting cavity. The motor shaft is a hollow shaft, one end of the left-end half shaft penetrates through the motor shaft to be connected with a differential mechanism left half shaft bevel gear, and one end of the right-end half shaft is connected with a differential mechanism right half shaft bevel gear.

Described herein are methods and systems of a chassis of a commercial electric vehicle. In various embodiments, the chassis may include a ladder frame with a plurality of frame rails. Batteries and drive units may be packaged within the frame rails of the ladder frame. The chassis may further include an independent front suspension and batteries may be disposed between the suspension members of the independent front suspension.

The invention provides an electric drive axle assembly and a vehicle with the same, and relates to the technical field of vehicles. The electric drive axle assembly comprises a drive motor; the differential mechanism is connected with a vehicle wheel end through a half shaft; the first planetary gear train at least comprises a first sun gear and a first planetary gear, the first sun gear is connected with an output shaft of the driving motor, and the first planetary gear is arranged on a first planetary carrier; the second planetary gear train at least comprises a second sun gear and a second planetary gear, the second planetary gear is arranged on a second planetary carrier, and the output end of the second planetary carrier is connected with the differential mechanism; and the transmission gear system is connected with the first planetary gear system and the second planetary gear system, and the transmission gear system is used for transmitting power of any one of the first planet carrier and the first sun gear to any one of the second planet carrier and the second sun gear. The problems that an electric drive axle of a commercial vehicle is large in size and unreasonable in gear-speed ratio setting are solved.

The present disclosures relate to methods and systems for a hybrid powertrain. The hybrid powertrain system includes an integrated axle configured to provide mechanical power to a first pair of wheels, the integrated axle comprising a first motor-generator and a first drive axle such that the first motor-generator and at least a portion of the first drive axle are mechanically coupled to a common housing. The system also includes a second motor-generator configured to be mechanically coupled with an engine via a first clutch and mechanically coupled with a second drive axle via a second clutch, the second drive axle mechanically coupled with a second pair of wheels. A controller is electrically coupled with the first and second motor-generators, the engine, and the first and second clutches, the controller configured to enable a fully electric mode, a series hybrid mode, a parallel hybrid mode, and a regenerative mode of operation.

The invention belongs to the technical field of axle housing preparation, and particularly relates to an axle housing accessory welding device and a welding technology. An axle housing comprises an axle housing body and a plurality of accessories welded to the axle housing body; the welding device comprises a welding table, a clamping mechanism arranged on the welding table and used for clamping an axle housing body, a supporting frame arranged on the welding table, a positioning mechanism movably arranged on the supporting frame, located above the clamping mechanism and used for fixing accessories, and a moving base arranged on the supporting frame and used for installing the positioning mechanism. The transverse moving mechanism is used for driving the moving seat to move transversely; the lifting moving mechanism is used for driving the positioning mechanism to move vertically; the positioning mechanism comprises a mounting base connected with the lifting moving mechanism, a positioning disc rotationally arranged on the mounting base, a plurality of positioning tools circumferentially distributed on the positioning disc and a rotating assembly arranged on the mounting base, connected with the positioning disc and used for driving the positioning disc to rotate. The positioning disc is arranged to be matched with the multiple mounting rods to integrate the positioning pipe tool for welding multiple accessories, the structure is simple, and operation is convenient.

A collapsible support structure includes at least a horizontal support structure, a vertical support structure, and an axle assembly. In use, the collapsible support structure may be folded / unfolded between a deployed configuration, in which the collapsible support structure may be capable of rolling along a support surface to transport items, and a stowed / storage position, in which the collapsible support structure is collapsed in a compact geometry for storage. The axle assembly enables removal of the wheels from the axle for storage of the collapsible support structure. The axle may be repositionable between a deployed position and a storage position. The axle may be equipped with a retainer unit that retains the axle in the deployed position.

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.

The invention discloses a rear axle of a vehicle and the vehicle in the field of engineering vehicles. An axle housing main body comprises a top plate and a bottom plate which are connected; one end of the pin shaft is connected with the top plate in a fastening mode, the other end of the pin shaft is connected with a shaft end cover in a fastening mode, and the shaft end cover is embedded into the bottom plate. The pin shaft is sleeved with the steering knuckle, the steering knuckle and the pin shaft are arranged in a spaced mode, and the two ends of the steering knuckle are rotationally connected with the top plate and the bottom plate respectively. One end of the pin shaft is fixedly connected with the top plate, the other end of the pin shaft is fixedly connected with the shaft end cover, and the shaft end cover is embedded into the bottom plate, so that force is better transmitted; the steering knuckle on the pin shaft is rotationally connected with the top plate and the bottom plate, after the steering knuckle bears upward bearing reaction force transmitted from a wheel, the bearing reaction force continues to be transmitted to the top plate, the bearing reaction force transmitted to the pin shaft from the top plate is larger, the bearing reaction force is transmitted to the shaft end cover, the shaft end cover pulls the bottom plate, the top plate and the bottom plate are subjected to the bearing reaction force together, and therefore the bearing reaction force is generated. The structure is stressed uniformly, and the fatigue life of the structure is prolonged.

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.

The invention discloses a parallel shaft type heavy truck single-motor three-gear electric drive axle device, and relates to an electric vehicle power device, the parallel shaft type heavy truck single-motor three-gear electric drive axle device comprises a motor, the motor is in power connection with a first output shaft, the first output shaft is provided with a first gear shifter, and the first gear shifter is used for transmitting power to a first shaft sleeve or a three-gear change gear assembly; the first shaft sleeve is used for transmitting power to the first-gear change gear assembly and the second-gear change gear assembly; the differential mechanism is in power connection with a left half shaft and a right half shaft of a vehicle power output shaft, and the three-gear change gear assembly is in power connection with the planet row. The second shaft sleeve is in power connection with the second gear shifter and the planet row at the same time, and the second gear shifter is used for transmitting power output by the first-gear speed change gear assembly or the second-gear speed change gear assembly to the second shaft sleeve. The invention further discloses a control method of the parallel shaft type heavy truck single-motor three-gear electric drive axle device. The planet row three-gear speed change is adopted, the overall structure is compact, the integration degree is high, and the assembly size and cost are low.

The invention relates to an ultrathin hub electric wheel with a speed reducer integrated in a low-speed drum brake, which comprises a cooling water channel, a motor, a drum brake, a planetary gear speed reducer, a hub, a hub bearing and an axle which are sequentially arranged from outside to inside in the radial direction and are positioned at the same axial position, the two ends of the cooling water channel are connected with an electric wheel outer shell and an electric wheel inner shell correspondingly, and the transmission path of driving force in the electric wheel is from the motor to the planetary gear reducer to the hub to the rim. Compared with the prior art, the axial space of the electric wheel assembly can be compressed to the maximum degree, layout of the speed reduction hub electric wheel assembly at the wheel end of a vehicle is facilitated, and the electric wheel assembly has the advantages of being highly integrated in space and compressed in the axial space limit.

The invention discloses a transverse fixed axle assembly capable of achieving Ackerman steering through mechanical linkage, and belongs to the technical field of engineering vehicle chassis. A rear axle is transversely and rigidly fixed to a frame through a shear-resistant box girder structure, and a front axle is connected to the frame through two springs; the rotating pair structures are symmetrically arranged at the two ends of the axle main body and comprise embedded heavy-duty bearings; one end of the steering knuckle arm is hinged to the axle main body through a rotating pair structure, and the other end is connected with the steering pull rod; one end, far away from the rotating pair structure, of the steering pull rod is connected with the steering oil cylinder; the steering pull rod of the front axle and the steering pull rod of the rear axle are crossed and hinged in an X shape, so that intersection points of axes of the front and rear wheels converge at an instantaneous steering center during steering. Abrasion and slipping of tires can be reduced, steering precision is ensured through a pure mechanical structure, the failure risk of an electric control system is avoided, and the system is suitable for heavy equipment such as mining trucks and port cranes.

The utility model relates to a tractor gearbox transmission structure and a new energy tractor. The tractor gearbox transmission structure comprises a walking motor, a power output motor, a rear axle, a transmission first shaft and a transmission second shaft, the walking motor is connected with the transmission first shaft, the transmission first shaft is connected with the transmission second shaft through a planetary gear transmission mechanism, the transmission second shaft is connected with the rear axle, and the power output motor is connected with a third transmission shaft. The third transmission shaft is provided with a hybrid clutch and is connected with a first shaft of the transmission through the hybrid clutch and the power transmission assembly, the third transmission shaft is further connected with a PTO transmission assembly through a PTO clutch, and the PTO transmission assembly is connected with a PTO transmission shaft. The utility model has the advantage that the purpose of flexible use of the walking motor and the power output motor during low-load operation and high-load operation can be achieved.

A wheel driving mechanism (1) and a vehicle having same. The wheel driving mechanism (1) comprises: a rotating support (10), the rotating support (10) being internally provided with a matching cavity (11); a speed reduction assembly, the speed reduction assembly cooperating with the rotating support (10) and driving the rotating support (10) to rotate; a first fixing shaft (31), which passes through the rotating support (10) and is fixed to the rotating support (10) by means of a first fixing member (33); and a plurality of differential gears (32), the differential gears (32) being rotatably mounted on the first fixing shaft (31) and located in the matching cavity (11).

The invention discloses a posture adjustment driving mechanism and a hinged type all-terrain vehicle, the posture adjustment driving mechanism is connected with a frame, and longitudinal driving axles are arranged on the left side and the right side of the frame. The posture adjusting driving mechanism is provided with a side bridge adjusting mechanism. A lifting driving mechanism is arranged at the rear end of the side bridge adjusting mechanism and can drive the single-side longitudinal driving axle to swing up and down; a differential mechanism linkage system is arranged at the front end and comprises a differential mechanism connected with the frame, half shafts at the two ends of the differential mechanism are connected with the longitudinal drive axle through a multi-connecting-rod mechanism, the differential mechanism is provided with a decoupling mechanism, and connection between the half shaft on the single side and a differential mechanism shell can be removed. A power mechanism and a gearbox are fixed to the frame and provide walking power for the longitudinal drive axle. The longitudinal drive axle is composed of a middle axle frame, a hollow swing arm and the like, power transmission, steering control and independent height adjustment can be achieved, and the passing adaptability of complex terrains is effectively improved.

A drive axle assembly and a vehicle comprising same. The drive axle assembly comprises a hub mechanism, a driving mechanism and a braking mechanism. The hub mechanism is connected to the driving mechanism. The braking mechanism is movably connected to the driving mechanism, and the braking mechanism is used for braking the driving mechanism to achieve braking of the hub mechanism.

The invention discloses a large equipment reversing transfer device and method, and relates to the field of transfer devices.The large equipment reversing transfer device comprises a transfer flatcar, a saddle is installed on the bottom side of the transfer flatcar, wheel supporting arms are installed at the four corners of the saddle, and wheels are rotationally installed on the wheel supporting arms; the device further comprises an advancing detection device, and the advancing detection device is installed on one side of the transfer flatcar. It needs to be explained that when the transfer flatcar advances, obstacles are detected through reciprocating movement of a transverse moving sliding rod, a starting switch is triggered when the obstacles or an obstacle road surface is detected, so that an obstacle avoidance pull-out frame drives wheels to move outwards, and when the obstacles are detected, front and rear wheels are actively and synchronously pushed outwards to enlarge the wheel distance; wheels directly pass through the two sides of an obstacle, the trafficability, safety and efficiency of the flatcar on complex and unknown road surfaces are remarkably improved, and parking, bumping, equipment damage and even accidents caused by the obstacle are reduced.

The invention belongs to the technical field of vehicle rear axles, and particularly relates to a coal mine explosion-proof diesel engine trackless rubber-tyred vehicle rear axle which comprises a rear axle body, shaft heads are installed at the two ends of the rear axle body respectively, half axle assemblies are fixedly installed on the side walls of the shaft heads, brake hubs are fixedly installed on the half axle assemblies, and the brake hubs are fixedly installed on the rear axle bodies. A main speed reducer assembly is installed in the middle of the rear axle body, fixing seats are fixedly installed on the two sides of the top of the rear axle body, damping devices are correspondingly installed on the tops of the fixing seats, the radial impact force on the rear axle in the vehicle operation process can be greatly reduced through the damping devices, and the rear axle is effectively prevented from being damaged and losing efficacy. The anti-collision devices are symmetrically arranged on the two sides of the main speed reducer assembly, an adjusting mechanism is arranged on one side of each anti-collision device, the adjusting mechanisms are connected with the anti-collision devices through transmission shafts, and multi-angle adjustment of the anti-collision devices is achieved through the adjusting mechanisms. When the rear axle is collided in the working process, key components of the rear axle can be effectively protected, and the service life is prolonged.

The invention discloses an agricultural machinery steering axle tube beam formed by a seamless steel tube and a manufacturing method thereof, and relates to the technical field of engineering machinery parts, the agricultural machinery steering axle tube beam is of a symmetrical variable cross-section variable wall thickness hollow rectangular structure, is composed of a tube beam middle part, a tube beam neck part and tube beam two ends, and is in an inverted convex shape with a flush upper surface, consistent width and a raised middle lower part. The middle size of the tubular beam meets performance requirements and oil cylinder support mounting requirements, and a round hole for mounting a supporting bearing seat is formed in the tubular beam; the lower surfaces of the two ends of the tubular beam are higher, and arc-shaped grooves welded with main pin seats are formed in the outer sides; the upper surface and the width of the neck of the tubular beam are unchanged, and the lower surface gradually rises through two transition arcs and is connected with the middle of the tubular beam and the two ends of the tubular beam respectively. The pipe beam is manufactured by heating, reducing, bending, pressing and machining a seamless steel pipe, the impact resistance of a product is good, the weight is reduced by more than 15% compared with that of a welding structure, the material utilization rate reaches 95%, and the universality is high.

The utility model belongs to the technical field of front drive axles, and particularly relates to a light-weight tractor front drive axle which comprises a front axle body, a reinforcing plate is fixedly connected to the outer wall of the front axle body, a driving shaft penetrates through the outer wall of the front axle body, and a first bevel gear is fixedly connected to one end of the driving shaft. A rubber backing ring and a cover plate are arranged to drive a sealing ring on the outer wall of a connecting block to be attached to the inner wall of an oil injection opening, sealing operation on the oil injection opening is achieved, then a rotary knob rotates to drive a threaded column to slide along the connecting block through a bolt, and therefore the oil injection opening is sealed. The threaded column slides to drive the pressing ring at the top end of the pressing plate to move synchronously, then the pressing ring moves to press the rubber backing ring, the rubber backing ring deforms, the outer wall of the rubber backing ring is attached to the inner wall of the oil injection port, the sealing performance of the oil injection port is improved, and the situation that muddy water permeates into the front axle body through the oil injection port, and consequently workpieces in the front axle body are abraded is avoided.

The utility model discloses a chassis and a vehicle. The chassis comprises a longitudinal beam; a battery assembly; and the rear axle assembly comprises a rear axle piece, a transmission shaft piece and plate spring pieces, the rear axle piece extends in the left-right direction and is arranged on the front side of the battery assembly at intervals, and the left end and the right end of the rear axle piece are connected with the two plate spring pieces correspondingly. Therefore, on the premise that the suspension spring of the vehicle uses the plate spring piece, the rear axle piece is arranged on the front side of the battery assembly at intervals and connected with the plate spring piece, on the premise that the vibration reduction performance of the vehicle is improved, the situation that the rear axle piece is influenced by arrangement interference of the battery assembly can be prevented, and the rear axle piece does not occupy the installation space of the battery assembly; therefore, the size of the battery assembly can be increased, the battery assembly can be conveniently installed and arranged, the structural layout of the chassis can be optimized, and the overall structure of the chassis is more compact. In addition, the rear axle piece can provide certain protection for the battery assembly, and can buffer and absorb external force borne by the chassis from front to back.

The utility model provides a wheel-side electric drive axle which comprises an axle body and a motor reducer integrated structure, and the axle body is sequentially provided with a plate spring mounting seat and a reduction gearbox connecting seat from the middle to the two sides; the motor and speed reducer integrated structure comprises a shared shell, a motor cavity is formed in one side of the shared shell, a speed reducer cavity is formed in the other side of the shared shell, a speed reducer assembly is arranged in the speed reducer cavity, a motor assembly is arranged in the motor cavity, and a motor shaft of the motor assembly is coaxially connected with an input shaft of the speed reducer assembly; the axle body is connected with the shared shell through the reduction gearbox connecting base, and the plate spring mounting base is located between the two motor reducer integrated structures. The wheels are independently driven through the motor reducer integrated structures at the two ends of the axle body, a transmission half shaft of the axle body is omitted, a transmission chain is shortened, the mechanical transmission structure is greatly simplified, the weight is reduced, the efficiency loss of a mechanical differential mechanism is reduced, and meanwhile the dynamic response to wheel control is improved.

A distributed electric drive system (400), comprising a dual-motor assembly (300), a first transmission group (100) and a second transmission group (200) which are integrated together, wherein the first transmission group and the second transmission group are arranged on two sides of the dual-motor assembly in the width direction of a vehicle; and the dual-motor assembly comprises an outer rotor motor (2) and an inner rotor motor (1) which is radially embedded into the outer rotor motor, wherein the inner rotor motor transmits power to wheels (9) on one side of the vehicle by means of the first transmission group, the outer rotor motor transmits power to wheels on the other side of the vehicle by means of the second transmission group, an input shaft of the first transmission group doubles as an output shaft (32) of the inner rotor motor, and an input shaft of the second transmission group doubles as an output shaft (42) of the outer rotor motor. Further provided is an electric vehicle. The distributed electric drive system can reduce the assembly space of the vehicle and improve the assembly efficiency of the vehicle.

The utility model provides a novel self-power-generating wheel body structure with a shaft wheel rotating synchronously without differential speed, which relates to the technical field of power-generating wheels and comprises a fixed part and a rotatable part which are arranged in a coupling mode. The rotatable part comprises a wheel, and a connecting component is arranged in the rotatable part; the connecting component is provided with a mounting position for mounting a power part; the power part is driven by a power source to generate torque, and then the rotatable part is driven to rotate relative to the fixed part with an axis as the center. A magnetic ring and a generator core which are correspondingly used are arranged at the joint of the fixed part and the rotatable part; the rotatable part rotates relative to the fixed part, so that the generator core and the magnetic ring rotate relative to each other to cut magnetic lines of force to generate current. The self-generating wheel body has the beneficial effects that the blank of the self-generating wheel body in the existing market is filled, the self-generating wheel body can be applied to a wheel body which is represented by a child tricycle and is positioned on a front fork, and the wheel body is driven to rotate through pedal rotation so as to synchronously generate electricity or emit light.

Methods and systems for configuring a four-wheel drive high gross weight vehicle are presented. In one non-limiting example, a traction battery covers a lateral expanse between a first frame rail and a second frame rail, thereby providing higher storage capacity for the traction battery even though the vehicle is configured for four-wheel drive.

An on-board electronics system of an aerial work platform moves the wheels between a retracted and extended position by pivoting a respective arm. The method comprises the following successive steps: a) orienting each wheel tangentially to the pivoting path of the corresponding arm, b) moving the wheel by pivotally actuating the corresponding arm, and c) reorienting the wheel so as to enable another translation of the aerial work platform. The steps are performed in different orders between the wheels so that at any time at least one of the following conditions is complied with: —the brake system of at least one wheel is active, —at least one wheel is rotated by a motorised drive, —the orientation of the wheels relative to one another prevents any translation of the aerial work platform (1) on the ground as a result of gravitational force.

The invention provides a single-motor drive axle assembly and a vehicle. The single-motor drive axle assembly comprises a motor, a drive axle assembly and a drive axle assembly, the driving gear set comprises at least two driving gears, and each driving gear is connected with the motor through a first transmission shaft; the driven gear set comprises at least two driven gears, the driven gears are meshed with the driving gears in a one-to-one correspondence mode, all the driven gears can be connected with a second transmission shaft through a first gear shifting mechanism, the second transmission shaft and the first transmission shaft are arranged in parallel, and a first transmission gear is arranged on the second transmission shaft; an inner gear ring of the planet row is fixedly arranged, a planet carrier of the planet row is connected with wheels through a differential mechanism, and the first transmission gear is selectively connected with the sun gear and the planet carrier through a second gear shifting mechanism so as to transmit the torque of the second transmission shaft to the wheels. According to the scheme, the problem that in the prior art, a single-motor drive axle assembly is poor in gear shifting smoothness is solved.

A spindle assembly of an axle assembly includes an elongate body partially forming a first cavity and a second cavity. A seal is coupled to the elongate body at a location between the first cavity and the second cavity, and the seal is configured to be in contact with an axle shaft to fluidly seal the first and second cavities from one another. A breather is coupled to the elongate body and disposed in fluid communication with the second cavity. A sleeve is also coupled to the elongate body. The sleeve includes a notch that forms at least a portion of a drainage passage through which a fluid in the second cavity may flow from an upper portion of the second cavity to a lower portion thereof.

The application belongs to the field of axle housing preparation, and particularly relates to a welding device for axle housing back cover and reinforcing ring, which comprises an axle housing body and a back cover and a reinforcing ring respectively welded on both sides of the axle housing body, and the welding device comprises first welding devices for spot welding the back cover and the reinforcing ring on both sides of the axle housing body respectively and second welding devices for full welding of the spot-welded back cover and reinforcing ring; the second welding device comprises a base, a first clamping mechanism arranged on the base for clamping and driving the axle housing to rotate, a second clamping mechanism arranged on the base and opposite to the first clamping mechanism, a first welding equipment for full welding of the reinforcing ring on one side of the base, and a second welding equipment for full welding of the back cover on one side of the base, and the first welding equipment and the second welding equipment can simultaneously perform full welding on the reinforcing ring and the back cover respectively; the welding of the reinforcing ring and the back cover can be completed through cooperation of the first welding device and the second welding device, and the processing efficiency is greatly improved.