3661results about "Axle units" patented technology

One variation of a system includes a modular kit. The modular kit includes: a driven axle configured to install on a bogie chassis supporting a trailer chassis of a trailer; a motor coupled to the driven axle; a battery assembly; a set of electrical cables; and a cable carrier. The battery assembly includes a set of retention features configured to transiently engage a set of engagement features on the trailer chassis to couple the battery assembly to the trailer chassis and is configured to: supply electrical energy to the motor to drive the driven axle; and receive electrical energy from the motor to regeneratively brake the driven axle. The set of electrical cables are configured to electrically couple the motor and the battery assembly. The cable carrier is configured to: locate between the bogie chassis and the battery assembly; and support the set of electrical cables over a range of longitudinal positions.

A system and method for a multi-speed electric axle. The multi-speed electric axle includes, in one example, an electric machine rotationally coupled to sun gear in a first planetary gear set, a second planetary gear set rotationally coupled to a carrier in the first planetary gear set, a third planetary gear set rotationally coupled to the second planetary gear set, and a differential rotationally coupled to the third planetary gear set. In the multi-speed electric axle, the electric machine, the first planetary gear set, the second planetary gear set, the third planetary gear set, and the differential are coaxially arranged.

The invention 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 invention 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.

An axle assembly comprising a differential carrier, a differential assembly, a drive pinion, and a drive pinion brake. The drive pinion brake is mounted to the differential carrier. The differential carrier supports the differential assembly. The drive pinion brake is operable to apply a brake torque to inhibit rotation of the drive pinion.

An electronic differential disconnect clutch includes a differential unit, a first flange, a hub, a second flange, a hub sleeve and a solenoid. The differential unit has a pair of splines arranged for receiving a pair of axle shafts. The first flange has a first face spline and is fixed to the differential unit. The hub is rotatable relative to the differential unit and arranged to receive an input torque. The second flange is rotationally fixed and axially displaceable on the hub and has a second face spline arranged for engaging the first face spline. The hub sleeve is arranged to axially displace the second flange to engage the second face spline with the first face spline. The solenoid is arranged to axially displace the hub sleeve.

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.

Provided discloses an integrated axle assembly and structural assembly. The integrated axle assembly comprises an axle tube assembly extending in a first direction; a front support arm extending circumferentially from the axle tube assembly in a second direction perpendicular to the first direction for attachment to the frame; a rear support arm extending circumferentially from the axle tube assembly in a third direction away from the second direction for mounting a resilient assembly; and a brake base plate extending in a peripheral direction from the circumference of the axle tube assembly; the axle tube assembly, front bracket arm, rear bracket arm and brake base plate are molded in one piece, which improves the assembly efficiency.

Methods and systems are provided for an electric heavy-duty vehicle. In one example, the vehicle includes a battery pack for supplying current to an electric motor of the vehicle, the battery pack arranged in a chassis of the vehicle and configured to form part of a floor of the vehicle. The vehicle also includes a motor coupled to front wheels of the vehicle, the front wheels having hub assemblies housing drive shaft adapters configured to permanently couple the hub assemblies to drive shafts of the front wheels, and a cradle configured to be mounted with electrical sub-systems of the vehicle.

The invention provides an extension method and system for a driving chassis axle. The method comprises a normal extension mode, a resistance-meeting extension mode, a limit extension mode and a free extension mode. In the normal expansion mode process, when the pressure value of the expansion oil cylinder encounters obstacles and exceeds the set pressure of the system, the expansion oil cylinder is switched to the resistance expansion mode, after the expansion oil cylinder passes through the swing wheels, the pressure value is decreased, bridge expansion continues, and if the pressure value is not decreased, the expansion oil cylinder is switched to the limit expansion mode. The free expansion mode is that at least one wheel or axle is manually controlled by operating an equipment panel; the system comprises electromagnetic directional valves arranged on hydraulic pipelines of wheels and axles, corresponding balance valves and hydraulic locks, compensation valves are arranged between the electromagnetic directional valves and a main oil inlet pipeline, first overflow valves with the pressure value smaller than that of second overflow valves are arranged at the two ends of the electromagnetic directional valves at the extension bridge end, and graded protection is achieved. Through each single-control valve group and matched control logic, automatic de-trapping and successful bridge expansion in a limited area are realized.

One variation of a system includes a bogie including: a chassis; a first set of latches configured to transiently engage a first subset of engagement features, in a first array of engagement features on a left rail and in a second array of engagement features on a right rail of the trailer, to retain the bogie below a floor of the trailer; a driven axle suspended from the chassis; and a motor coupled to the driven axle and configured to output torque to the driven axle and regeneratively brake the driven axle. The system further includes a battery assembly: including a second set of latches configured to transiently engage a second subset of engagement features, in the first array of engagement features and in the second array of engagement features, to retain the battery assembly adjacent the bogie; and configured to receive electrical energy from the motor.

The invention relates to a single-motor two-gear efficient electric drive axle transmission system which is characterized by comprising a motor, a parallel shaft set, a driving gear set, a driven gear set, a gear shifting combination gear, a spline gear hub, a gear shifter, a differential mechanism module and a tire module. Symmetrical arrangement is adopted, gear parameters can be designed more reasonably, the first shaft, the second shaft and the fourth shaft are located on the two sides of the half shaft, the third shaft is a hollow shaft sleeved on the right half shaft, the structure is more stable, and space is saved. According to the gear shifter structure, the two-gear function can be achieved, a low gear is matched with a large transmission speed ratio, four-stage speed reduction is achieved, a large enough torque is provided for a vehicle under the working conditions such as starting, getting out of difficulty and climbing, a high gear is matched with a small transmission speed ratio, and a high enough rotating speed is provided for the vehicle under the high-speed working condition; the first gear is four-stage speed reduction, the transmission ratio is large, and large torque can be provided under the low-speed working condition; and the second gear adopts two-stage speed reduction, so that mechanical loss can be reduced, and the transmission efficiency is improved.

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.

The utility model discloses a narrow-gauge mining frame structure with adjustable track gauge, comprising: a wheel axle; two rail wheel assemblies, respectively sleeved on the left and right ends of the wheel axle; two adjustment assemblies, respectively arranged corresponding to the two rail wheel assemblies, the adjustment assembly comprising a plurality of adjustment sleeves, the adjustment sleeves being sleeved on the wheel axle and located on the left and / or right sides of the corresponding rail wheel assemblies; wherein a positioning structure is provided on the wheel axle for left and right positioning of the rail wheel assembly and the adjustment assembly, and the adjustment assembly is configured to adjust the position of the rail wheel assembly in the left and right directions by changing the orientation of the adjustment sleeve relative to the rail wheel assembly. The narrow-gauge mining frame structure with adjustable track gauge of the utility model embodiment can adjust the spacing between the two rail wheel assemblies, and has strong versatility.

The utility model relates to the technical field of automobile front axles, in particular to a mining dump truck front axle steering feedback device which comprises a front axle, steering knuckles are fixedly connected to the two ends of the front axle respectively, and steering arms are hinged to the two ends of the steering knuckles respectively. The steering angle measuring assembly is arranged at one end of the steering arm, the steering angle measuring assembly is used for measuring the steering angle of the steering arm, and the steering angle measuring assembly comprises a hinge shaft fixedly connected to the middle of one end of the steering arm. According to the utility model, the steering arm drives the articulated shaft to move, so that the articulated shaft is matched with the sleeve through the first threaded pipe to release or stretch the traction rope, at the moment, the pull rope displacement sensor detects the released or stretched length of the traction rope, and the rotation angle of the steering arm and the steering knuckle is obtained through measurement, thereby completing the feedback of the steering state of the hub. Accurate feedback of the steering angle of the hub is achieved, and therefore a user can conveniently and accurately control running of the unmanned mining dump truck.

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.

The present invention provides a control method, control device and storage medium for a vehicle lifting bridge, the method comprising: when the current weather is rainy and the current state of the lifting bridge of the vehicle is lowered, obtaining the positioning and heading angle of the remote vehicles around the vehicle; judging whether the driving directions of the two vehicles are in the same direction according to whether the heading angle deviation value △θ between the heading angle of the remote vehicle and the heading angle of the vehicle is within a predetermined deviation range; if so, when it is determined according to the positioning of the two vehicles that the distance between the two vehicles in the driving direction of the vehicle is less than a preset first distance and the two vehicles are located in adjacent lanes, controlling the lifting bridge to lift off the ground. Through the above technical solution, the problem of water mist splashing when trucks are driving in rainy days can be effectively reduced, and traffic safety can be improved.

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 utility model provides a gear shifting structure and an electric drive axle, the gear shifting structure comprises a first transmission shaft and a second transmission shaft, the first transmission shaft is rotatably connected with a floating gear, the second transmission shaft is fixedly connected with a gear shifting gear, and the gear shifting gear is meshed with the floating gear. According to the gear shifting structure and the electric drive axle, the gaps are reserved between the corresponding keys and the key grooves between the synchronous sleeve and the floating gear, a certain redundant space is provided when the synchronous sleeve and the floating gear are in key connection, and it is ensured that the keys on the synchronous sleeve and the floating gear rapidly enter the corresponding key grooves; furthermore, a tooth-missing positioning structure is arranged between the synchronous sleeve and the floating gear, the concentricity among the floating gear, the synchronous sleeve and the first transmission shaft is improved through abutting of the tooth-missing positioning structure and an opposite key, and the situation that direct connection is achieved in a flat key and spline mode, large friction is generated between keys due to errors, and the service life of the floating gear is prolonged is avoided. And the service life of the gear shifting structure is influenced.

The invention provides a centralized lubrication electric drive axle which comprises an axle housing, and driving parts are fixedly arranged at the two ends of the axle housing. The cooling and lubricating system is used for cooling and circulating lubricating oil; an oil bottom box is fixedly arranged on the axle housing, an oil suction port is formed in the bottom of the oil bottom box and communicated with an inlet of a cooling and lubricating system through a pipeline, and an outlet of the cooling and lubricating system is communicated with oil inlets of driving components on the left side and the right side through oil inlet pipes respectively. An oil return pipe for communicating the oil outlet of the driving part on each side with the oil bottom box is arranged in the oil bottom box; when the axle housing inclines, the oil return ports of the two oil return pipes are located above the oil surface of the oil bottom box all the time, and the oil suction port is located below the oil surface all the time.

A wheel structure includes: a wheel; a rotary part disposed inside the wheel and configured to rotate together with the wheel; a fixing part facing the rotary part; a hub bearing disposed at one side of the rotary part and the fixing part; and a resolver facing the hub bearing and configured to detect a position of the hub bearing. The hub bearing includes: a hub body fixedly coupled to the rotary part; and a hub outer race fixedly coupled to the fixing part. The resolver includes: a resolver rotor; and a resolver stator. The resolver rotor is fixedly coupled to the hub body.

The utility model discloses a wet type brake land leveler rear axle for mine operation, which comprises a first-stage speed reduction assembly, second-stage speed reduction assemblies and a third-stage speed reduction assembly, the second-stage speed reduction assemblies are arranged at the left end and the right end of the first-stage speed reduction assembly, and rotation bearing assemblies are arranged in the second-stage speed reduction assemblies. A three-stage speed reduction assembly is installed at the outer end of the balance box body, a sealing structure, a hardening adjusting sleeve, an auxiliary assembly and a friction plate are installed in the three-stage speed reduction assembly, the three-stage speed reduction assembly is connected with a tire through a connecting disc and a bolt assembly, and the three-stage speed reduction assembly, an output chain wheel, an output shaft disc, a brake sealing cover, a brake shell and a brake disc seat are connected with a motor. And the output chain wheel is in spline connection with the output shaft disc. The wet-type braking land leveler for mine operation is small in rear axle abrasion, capable of meeting the swing requirement of the balance box body, convenient to assemble and maintain, convenient to disassemble and assemble tires, low in built-in abrasion, free of maintenance, large in braking torque, long in service life, safer and more reliable.

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.

The utility model relates to an electric drive axle assembly and a vehicle, the electric drive axle assembly comprises an electric control assembly, a motor assembly and a speed reducer assembly which are integrally installed, the speed reducer assembly comprises a gear set and a differential mechanism, and the gear set is used for being in transmission connection between the differential mechanism and the motor assembly; the extension direction of the first output shaft of the motor assembly is different from the extension direction of the second output shaft of the differential mechanism. The electric control assembly, the motor assembly and the speed reducer assembly are integrally installed into the electric drive axle assembly, so that the structure is compact, and the number of parts is reduced. The extension directions of the motor assembly and the output shaft of the differential mechanism are different, and the situation that the size of the electric drive axle assembly in one direction is too large, consequently, the occupied space in the direction is large, and arrangement is not facilitated can be avoided.

Described herein is a trumpet arm for use in an electric drive axle. In one embodiment, the trumpet arm comprises a housing with an arm section extending an arm length, the arm section having an outlet at a first end, and a flange with a planar face at a second end opposite the first end. The trumpet arm further comprises internal buttresses positioned in an interior of the housing and extending through at least a first portion of a flange length of the flange, a flange / arm transition at which the flange transitions into the arm section, and at least a portion of the arm length.

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 sealing device includes a body, a first lip protruding from the body, a second lip protruding from the body and positioned apart from the first lip in a radially inward direction of the first lip, a first grease applied to a surface of the first lip, and a second grease applied to a surface of the second lip. Properties of the first grease differ from properties of the second grease.

The invention belongs to the technical field of new energy vehicle driving, and particularly relates to an electric drive axle structure and system. The electric drive axle structure comprises a speed change module and a differential mechanism, the speed change module adopts modular design and is assembled in a shell, a first assembly interface and a second assembly interface are arranged on the speed change module, and the first assembly interface is used for being connected with a rotor output shaft of a drive motor so as to transmit power of the drive motor to an input gear of the speed change module; the second assembly interface comprises a gear part and an end cover part, the gear part is used for being connected with a differential mechanism so as to transmit power output by the speed change module to the differential mechanism through an output gear, the differential mechanism is used for being connected with a driving half shaft of an axle, and the end cover part is used for being connected with the axle. According to the electric drive bridge structure, the design time of the electric drive bridge is shortened, and the design efficiency of the electric drive bridge is improved.