96 results about "Shaft length" patented technology

The invention discloses a precision clamp device for machining special-shaped workpieces in mechanical design, and relates to the technical field of mechanical manufacturing, the precision clamp device comprises a base main body, a reference bottom plate, a plurality of rotating shafts and corresponding elastic clamping blocks, the reference bottom plate is arranged on the base main body, and positioning slots are formed for the rotating shafts to be rotatably mounted; the rotating shafts can independently rotate and drive the elastic clamping blocks to deflect to adapt to the irregular surface of the special-shaped workpiece, the rotating shafts comprise rotating blocks matched with the inserting grooves and adjusting sliding grooves extending along the shaft length, and the rotating shafts are evenly distributed on the circumference of the reference bottom plate; an elastic clamping block is connected with a transmission screw and an adjusting nut, a linear sliding block is arranged to be matched with an adjusting sliding groove, a self-adaptive contact is arranged on the side, facing the clamping center, of the elastic clamping block, the contact is provided with an elastic protection contact end cover, and a stress sensing connecting rod and an elastic buffering spring are installed in the contact. A movable rod penetrates through the base body, one end of the movable rod is connected with a control handle, the other end of the movable rod is connected with a self-adaptive pressing plate, the movable rod is sleeved with a reset spring, the pressing plate is provided with a profiling abutting block, and the clamping stability is improved.

In a left-right wheel drive device (10) that accommodates, in a casing (4), two electric motors (1, 2) spaced apart from each other and a planetary gear mechanism (3) arranged so as to be offset on a first side in an axial direction, a pair of motor shafts (11), a pair of counter shafts (12), and two output shafts (13, 14) are arranged in parallel. The first output shaft (13) is arranged on the first side from the planetary gear mechanism (3) and is fixed with a carrier (3C) at an end portion of a second side thereof. The second output shaft (14) is longer than the first output shaft (13) and is fixed with the second sun gear (3S2) at an end portion on the first side thereof. The second output shaft (14) is rotatably supported by roller bearings (35, 36) at the end portion on the second side and a position on the second side from a driven gear meshing with the second counter gear.

Embodiments described herein relate to mounting bicycles to vehicles. In one arrangement, a bicycle mount is disclosed. The bicycle mount includes shafts forming a spatial arrangement around a central bicycle mount axis. The shafts define shaft axes, shaft lengths, and one or more bores extending axially along the shaft length. The one or more bores are sized to receive a front wheel axle of a bicycle, such that when the front wheel axle is installed to one of the bores, the bicycle is mounted to the shaft when the front wheel is removed from the bicycle. The bicycle mount also includes cross-members located between the shafts and connecting the shafts in the spatial arrangement.

The invention relates to the technical field of mechanical fatigue testing, in particular to rotary bending fatigue testing equipment for a rotor shaft, which comprises a base, a rotary driving module, a loading module, a dynamic balance module, a crack monitoring module and an adjusting module, and is characterized in that the rotary driving module drives the rotor shaft to rotate through a belt transmission assembly; the loading module adopts a lever type force reversing mechanism to realize accurate bending moment loading; the dynamic balance module automatically counteracts eccentric vibration through a free disc and a symmetrical bearing seat; the crack monitoring module captures vibration abnormity and internal crack initiation in real time; and the adjusting module is automatically adapted to different shaft lengths by driving a threaded screw rod through a motor. Anti-slip lines are arranged on the inner sides of the clamps at the two ends to ensure stable clamping; the levers are symmetrically arranged and matched with the locking nuts, so that switching of translation force or bending force applied by the levers is facilitated, the equipment realizes high-precision and full-period fatigue test, and the device is suitable for reliability evaluation of key rotor parts of aero-engines and steam turbines.

The invention provides a main shaft thermal error control device and method and a main shaft assembly. The main shaft thermal error control device comprises a shaft body (1) provided with a plurality of mounting grooves (2); the distributed fiber bragg grating sensing unit (3) is embedded in the mounting groove (2) and used for monitoring temperature and strain data of the shaft body (1), and the distributed fiber bragg grating sensing unit (3) comprises an axial monitoring section, a radial monitoring section and a circumferential monitoring section; the shaft length adjusting device is arranged on the peripheral side of the distributed fiber grating sensing unit (3) and fixedly connected with the shaft body (1), and the axial length of the shaft body (1) is adjusted according to the temperature and strain data, monitored by the distributed fiber grating sensing unit (3), of the shaft body (1). According to the main shaft thermal error control device, the monitoring precision and the response speed of the temperature and the strain of the main shaft can be improved, and the requirements of modern high-speed precision machining equipment for a high-precision and fast-response compensation device are met.

The application relates to a multi-station automatic machining method for intermediate shafts, which comprises the following steps: placing intermediate shaft blanks to be machined in a forward-reverse detection station, numbering, and establishing intermediate shaft codes; performing forward-reverse detection through a laser sensor on the forward-reverse detection station; performing taper hole depth detection on the intermediate shaft through a contact type displacement sensor on a taper hole detection station, simultaneously performing length detection on the intermediate shaft, then adding the taper hole depth information and the intermediate shaft length information to each intermediate shaft code; reading the parameter information of each intermediate shaft for corresponding machining, grabbing the intermediate shaft by a translation manipulator to a thread rolling machining device for machining, obtaining intermediate shaft finished products; blowing oil, and conveying and storing the intermediate shaft finished products after oil blowing. Compared with the prior art, the application realizes a safe and efficient intermediate shaft machining process through full-automatic coding feeding, forward-reverse adjustment, automatic station translation handling, code information adding and corresponding machining input.

The utility model relates to the field of steel manufacturing, in particular to a mounting shaft dismounting table which comprises a frame body, the upper portion of the frame body is fixedly connected with a hydraulic cylinder which is vertically arranged downwards, a pressing head is installed at the telescopic end of the hydraulic cylinder, two supporting rods are symmetrically arranged below the hydraulic cylinder, and the two ends of each supporting rod are placed on supporting plates respectively. The lower surface of the supporting plate is fixedly connected with lifting rods of a lead screw lifting machine, and the ends of the supporting rods are connected through adjusting devices so that the distance between the two supporting rods can be adjusted. The distance between the nylon roller to be disassembled and assembled and the hydraulic cylinder above the nylon roller can be adjusted according to needs, it is ensured that the nylon roller disassembling and assembling device can be suitable for nylon rollers with different axial lengths without using a long hydraulic cylinder, the distance between the supporting rods is adjusted through the adjusting device, the supporting position of the nylon roller is adjusted, and the nylon roller disassembling and assembling device meets the use requirement.

The utility model discloses an encoder support suitable for different axial lengths, comprising a support main body, the support main body is oppositely provided with a first installation surface and a second installation surface, and the first installation surface and the second installation surface are respectively provided with a connecting piece used for installing a PCBA board; a first supporting part and a second supporting part are respectively arranged below the first mounting surface and the second mounting surface, the vertical height between the first mounting surface and the bottom surface of the second supporting part is X, the vertical height between the second mounting surface and the bottom surface of the first supporting part is Y, and X is not equal to Y; a boss is arranged on the outer side of the support body, a through hole is formed in the boss, and the support body is of an integrally-formed structure. The utility model is suitable for the use requirements of encoders with different installation heights.

The utility model discloses a universal type transmission shaft packing frame which comprises a supporting piece and a plurality of installation pieces arranged on the supporting piece, the installation pieces are arranged side by side at intervals in the Y direction, every two adjacent installation pieces are arranged in a staggered mode in the X direction, each installation piece comprises two clamping grooves, and the two clamping grooves are arranged at intervals in the X direction and used for clamping a transmission shaft. The supporting piece is used for connecting the multiple installation pieces, the installation pieces are used for clamping the transmission shaft, the positions of the installation pieces are limited through the supporting piece, and the problem that the installation pieces and the transmission shaft are prone to displacement is solved. The installation parts are arranged in a staggered mode, due to the structural limitation of the transmission shafts, the adjacent installation parts are arranged in the length direction of the transmission shafts in a staggered mode, the two connector positions of the transmission shafts can be adjacent to the shaft middle positions of the adjacent transmission shafts, the distance between the two adjacent transmission shafts is reduced, and then the arrangement distance of the multiple transmission shafts is reduced; according to the arrangement mode, more transmission shafts can be loaded, and then the loading rate of the transmission shafts is increased.

The invention discloses an automatic discharging device and method for camshaft machining, and relates to the technical field of conveying devices for numerical control machining. A cam profile detection mechanism, a reference transmission control mechanism and a cam shaft reference positioning and adjusting mechanism are arranged on the rack; the cam contour detection mechanism comprises a detection roller, a detection shaft and an infrared correlation sensor. According to the invention, the cam contour detection mechanism is arranged, a detection roller is utilized to continuously abut against the full axis length of the cam shaft, and a detection shaft, a sliding block and an infrared correlation sensor are combined to detect the contour change of the cam shaft in real time and convert parameters such as the axis length, the number of cams and the distance between the cams; the problems that in the prior art, camshaft parameters are measured manually, efficiency is low, and errors are prone to occurring are solved, follow-up machining reference deviation caused by inaccurate parameter measurement is avoided, the accuracy and efficiency of parameter obtaining before camshaft machining are improved, and a reliable data basis is provided for precise machining.

The application discloses a power gear shifting transmission, and belongs to the technical field of transmission equipment, which comprises two rotating shafts arranged on a frame; a plurality of wheel trains are arranged along the axial length direction of the rotating shafts in sequence, a plurality of gear wheels with different numbers of teeth are arranged on one rotating shaft, and a plurality of gear wheels are arranged on the other rotating shaft; the plurality of gear wheels are meshed with the plurality of gear wheels respectively; a movable wheel is arranged on the rotating shaft provided with the gear wheels and the rotating shaft is provided with a spiral guide groove, the movable wheel is provided with a protrusion matched with the spiral guide groove; an end face ratchet wheel one is fixed with the gear wheels; an end face ratchet wheel two is sleeved on the rotating shaft provided with the gear wheels, and the end face ratchet wheel two is fixed with the movable wheel; a driving member can drive the movable wheel to move so that the teeth of the end face ratchet wheel one are engaged with the teeth of the end face ratchet wheel two; and the two rotating shafts are power input shafts and power output shafts respectively. The transmission can effectively reduce the gear shifting interval time, reduce the power loss during gear shifting, has high transmission efficiency, can realize a plurality of speed outputs, and has a stable gear shifting process.

The utility model relates to the field of transmission shafts, and discloses a modularized quick-release transmission shaft assembly which comprises a transmission shaft and a flange yoke, the flange yoke is installed at one end of the transmission shaft, a clamping structure is arranged at one end of the transmission shaft and located in a first connecting pipe, an extension structure is arranged in the first connecting pipe, and the other end of the extension structure is fixedly connected with a second connecting pipe. During installation, only the connecting block needs to be aligned with the connecting pipe to be inserted into the connecting pipe, connection can be completed by means of the elastic force of the spring, the magnetic attraction effect and simple threaded rod screwing-in operation, parts can be easily separated by screwing out the threaded rod during disassembly, and the assembly and disassembly are convenient. By means of the design, the installation and maintenance process is greatly simplified, the assembly can conveniently adjust the length of the transmission shaft through cooperation of the sliding rods, the sliding grooves and the clamping grooves, different application scenes can be rapidly adapted, high cost caused by overall replacement of the transmission shaft is avoided, and adaptability is remarkably improved.

Provided is an in-wheel motor capable of suppressing excessive torque from being transmitted to a rotor or a wheel and capable of shortening the length of a shaft. In an outer rotor type motor in which a rotor (9) is provided on the outer periphery of a stator (6), an in-wheel motor (1) provided inside a wheel is provided with a driving-side rotating member (10) that rotates integrally with the rotor (9), a driven-side rotating member (17) that rotates integrally with the wheel, and a transmission portion (18) that transmits torque between the driving-side rotating member (10) and the driven-side rotating member (17). The transmission portion (18) is configured to, in a case where torque acting on either of the driving-side rotating member (10) and the driven-side rotating member (17) is equal to or greater than a predetermined torque that is predetermined in advance, cause the driving-side rotating member (10) and the driven-side rotating member (17) to relatively rotate, thereby limiting torque transmitted between the driving-side rotating member (10) and the driven-side rotating member (17) to the predetermined torque.

The invention discloses a multi-objective optimization design method for an immersed jet propeller, and belongs to the field of multi-objective optimization design. The method comprises the steps that the rotor blade diameter and the number of rotor and stator blades are determined according to flow, lift and power design indexes; adjusting airfoils, torsion angles, thicknesses and leading edge and trailing edge angles of rotor and stator blades; designing a stator mounting angle by taking the rotor outlet tangential velocity component as an input parameter, and determining the length of a main shaft based on the axial distance between the rotor and the stator; the method comprises the following steps: constructing a flow field domain of the immersed jet propeller, generating a structured grid based on Cfturbo-Turbo-ICEM tool chain sub-components, and preliminarily calculating the hydrodynamic performance of the structured grid; key parameters are screened out for closed-loop iterative optimization, and optimization iteration is stopped until the efficiency improvement amount is smaller than 0.1%; and the shape of the immersed jet propeller is obtained when the hydrodynamic performance is optimal. The problems of low efficiency, poor precision, neglected coupling effect and the like in a traditional propeller design process are solved.

A vertical shaft speed-increasing power generation type fan system relates to the technical field of wind power generation and comprises a tower, a cabin, a generator assembly, a transmission assembly and a wind wheel assembly. The cabin is provided with a plurality of ventilation windows which are arranged at intervals in the circumferential direction of the cabin, and the cabin is installed at the top of the tower; the generator assembly is mounted in the cabin; an input shaft of the generator assembly is connected with the wind wheel assembly through the transmission assembly, and the wind wheel assembly is used for rotating under the action of wind power and transmitting torque to the generator assembly through the transmission assembly. The speed-increasing power generation assembly has both protection and ventilation effects, a cooling mechanism is omitted while the protection of the speed-increasing power generation assembly is improved, and the product manufacturing and quality maintenance cost is effectively reduced; meanwhile, transmission shaft length can be shortened, and power generation efficiency is improved.

The utility model discloses a device for improving the wear resistance of reed and a diving roller thereof, the device comprises a diving roller, a roller, a transmission rod, a cloth fell roller and reed, the diving roller is elliptical, the radius of the long axis is 2-3mm longer than that of the short axis, the diving roller is externally tangent to the roller, when the diving roller rotates, the roller is driven to rotate, and the cloth fell roller is driven by the transmission rod to rotate. The radius, tangent to the rolling wheel, of the pitching supporting rolling wheel changes, the transmission rod arranged on the rolling wheel in a sleeving mode swings, when the rolling wheel moves from the short shaft to the long shaft, the transmission rod drives the cloth fell rolling wheel to move upwards, and when the pitching supporting rolling wheel moves from the long shaft to the short shaft, the transmission rod drives the cloth fell rolling wheel to move downwards. When the reed moves back and forth, the fell roller can form a tiny periodic motion at the fell, so that the warp is driven to do tiny periodic motion, when the reed moves back and forth, the warp is rubbed at different positions of the reed at the fell, friction points are increased, and the easy-to-wear performance of the reed is improved.

This invention discloses a wide-range speed-regulating permanent magnet synchronous motor with unequal stator and rotor lengths, relating to the field of motor technology. It includes a stator, a rotor, and a dynamic effective stacking height switching mechanism. The stator and rotor are unequal in axial length. The dynamic effective stacking height switching mechanism drives the rotor to move axially and dynamically changes the effective stacking height between the stator and rotor. The effective stacking height is the axial overlap length between the stator and rotor, and the initial value of the effective stacking height between the rotor and the stator is less than the axial length of the stator. By employing a staggered arrangement of the rotor and stator with unequal axial lengths, and by dynamically changing the effective stacking height between the stator and rotor, the motor can switch and increase speed between high-speed low-torque and low-speed high-torque operating conditions without relying on field weakening control, thereby improving the stability and reliability of the motor.

The application discloses a bridge pier column outer wrapping reinforcing structure, a plurality of cylinder bodies are sequentially and fixedly connected in the front and the back, and the plurality of cylinder bodies are wrapped on the peripheral surface of a pier column body; a plurality of fixed flanges are arranged at one end of the cylinder body; a plurality of rotating flanges are arranged at the other end of the cylinder body, the plurality of rotating flanges are fixedly connected with adjacent fixed flanges; one end of an annular blade foot is arranged at the bottom of the cylinder body located at the bottom of the pier column body, and the other end of the annular blade foot extends downward along the axial length direction of the cylinder body; and a stiffening steel hoop is arranged at the peripheral part of the fixed flange. The steel casing body is arranged as a structure in which a plurality of cylinder bodies are sequentially and fixedly connected, so that the steel casing can be synchronously installed with a formwork in a pier column pouring stage, and subsequent secondary positioning and hoisting are avoided; the connection of the fixed flange and the rotating flange simplifies the splicing process of adjacent cylinder bodies, and prevents the pier column surface from being damaged due to mispositioning in the installation process; and the connection of the stiffening steel hoop and the fixed flange improves the structural strength of the fixed flange and the cylinder body, and prevents the splicing part from being deformed or separated due to external force.

The throttle valve shaft long groove double-face deburring device comprises a box body, two sets of installation plates are installed on the top face in the box body, first electric telescopic rods fixedly penetrate through the faces, away from each other, of the two sets of installation plates, and concave bases are installed at the telescopic ends of the two sets of first electric telescopic rods; driving motors are installed on the upper portions of the two sets of concave bases, the output ends of the two sets of driving motors are sleeved with grinding wheels, two sets of T-shaped rods slidably penetrate through the far faces of the two sets of mounting plates, one ends of the two sets of T-shaped rods are fixedly connected with the far faces of the two sets of concave bases correspondingly, and a discharging hopper penetrates through the lower portion of the box body. And two groups of collecting bags are mounted on the side of the discharging hopper. The long-groove double-sided deburring device for the throttle shaft has the beneficial effects that the movable plate is arranged, when the deburring work is carried out on one throttle shaft, the next throttle shaft can be replaced through the arranged movable plate, and the working efficiency of the long-groove double-sided deburring device for the throttle shaft is improved.

The present application provides an active three-degree-of-freedom magnetic bearing and its control method, motor and compressor. The active three-degree-of-freedom magnetic bearing includes a bearing rotor, including a rotor ring body on which a rotating shaft is mounted; a bearing stator, including a first bearing stator assembly and a second bearing stator assembly; the first bearing stator assembly applies a radial magnetic field to the rotor ring body to adjust the radial position of the rotor ring body; the second bearing stator assembly applies an axial magnetic field to the rotor ring body to adjust the axial position of the rotor ring body. The present application sets corresponding bearing stators in the radial and axial directions of the bearing rotor, with a high degree of integration, so that there is no need to assemble a thrust plate separately on the rotating shaft, the structure is more compact, the process is simplified, the bearing volume is effectively reduced, the rotating shaft length is shortened, the critical speed of the rotor is increased, and the operating stability of the magnetic suspension system is improved.

A vehicle seat (1) comprising pairs of right and left backrest adjusters (4) each connecting side frames (2F) on the right and left sides of a backrest (2) to a seat cushion (3) on or above a floor; actuating pins (7) each inserted through the backrest adjusters (4) in an axial direction and each rotatable about their axes to unlock the backrest adjusters (4), respectively; and a rod (8) integrally connecting the actuating pins (7) to each other, wherein one of the actuating pins (7) has an actuating shaft portion (7A) inserted through one of the backrest adjustments (4) from a seat inner side in the axial direction and connected to the one backrest adjustment (4), and a connecting portion (7B) touching the rod (8) and connected to the rod (8), wherein the actuating shaft portion (7A) and the rod (8) have a common axis; and the actuating shaft portion (7A) is connected to the one backrest adjustment (4) in a first position in which the connecting portion (7B) contacts the rod (8) so that it can be connected to the rod (8) in such a way that it actuates the one backrest adjustment (4); wherein an insertion depth of the actuating shaft portion (7A) with respect to the backrest adjustment (4) can be changed by moving the actuating shaft portion (7A) during assembly of the vehicle seat (1) between the first position and a second position in which the connecting portion (7B) is spaced apart from the rod (8) in the axial direction, so that before assembly, a width (W) between the connecting portions (7B) of the actuating pins (7) is greater than a shaft length of the rod (8), but smaller than the distance between the side frames (2F); and the vehicle seat (1) is characterized in that after assembly at least one outer end of an actuating pin (7) is spaced from the side frames (2F).

The utility model relates to the technical field of coiling devices, and discloses a nylon yarn coiling device which comprises a mounting frame, a yarn coiling rod, a distance adjusting mechanism, a fixing frame, a first rotating disc, a second rotating disc and a driving mechanism. The distance between the fixing frame and the right side mounting frame is changed through the distance adjusting mechanism, the nylon yarn coiling device is matched with yarn coiling rods with different axial lengths, the two ends of the yarn coiling rods are detachably connected with the first rotary disc and the second rotary disc correspondingly, the driving mechanism drives the second rotary disc to rotate, and then the yarn coiling rods rotate to achieve nylon yarn coiling. By adopting the structure, the yarn winding rods with different axial lengths can be flexibly replaced, the winding requirements of polyamide yarns with various specifications are met, the equipment universality is improved, the equipment purchase cost is reduced, the equipment replacement time is shortened, and the production efficiency is improved.

The utility model provides an automobile window lifting actuator mechanism, which relates to the technical field of automobile glass lifter window lifting, and comprises a motor and a gearbox, the output end of the motor is fixedly connected with a transmission shaft, one side of the motor is fixedly connected with a clamping hook I, the front end and the rear end of the motor are fixedly connected with guide blocks, and the clamping hook I is fixedly connected with a clamping hook II. A threaded sleeve is fixedly installed at the top of the gearbox, a second clamping hook is fixedly connected to the outer wall of the gearbox, a positioning screw is arranged in the threaded sleeve, a fixing rod is fixedly connected to the outer wall of the gearbox, and an inserting rod is arranged on one side of the fixing rod. Different adjusting intervals can be adapted according to different axial length tolerances, the motor and the gear box are conveniently connected and fixed through mutual clamping matching between the first clamping hook and the second clamping hook, the positions of the first clamping hook and the second clamping hook are staggered by taking down the insertion rod and rotating the motor, and then the motor can be disassembled and taken down.

The invention provides a fuel injection type engine which has a high degree of freedom in arrangement of components in a cylinder head cover and can maintain high fuel injection accuracy of a fuel injector (2). The fuel injector (2) has a pressure receiving portion (2aa) in an intermediate body portion (2a) located in the middle of the fuel injector (2) in the axial direction thereof, the jig (5) has a main jig (6) disposed on the upper portion of the rocker arm bracket (3) and fitted over the stud bolt (4), and a sub jig (7) fitted over the intermediate body portion (2a) of the fuel injector (2), and the pressure receiving portion (2aa) is pressed by the tightening force of a nut (4a) fastened to the stud bolt (4). The main jig (6) presses the pressure receiving section (2aa) of the fuel injector (2) via a sub-jig (7) on the lower side of the main jig (6).

A rotary actuator (1) is provided with a PWB motor (2) and a wave gear reducer (3). The PWB motor (2) is an axial gap type motor. A motor rotor (24) of the PWB motor (2) is provided with a rotor disc coaxially fixed to a hollow motor shaft (22) and a rotor magnet fixed to the rotor disc. A motor stator (23) is composed of a printed wiring board and is provided with an insulating substrate (26) and a motor coil (27) defined by a printed wiring formed on the insulating substrate (26). Compared with a conventional rotary actuator using an SPM motor or the like, the axial length can be shortened and the hollow diameter can be increased.

The utility model discloses a short shaft type magnetic coupling torque transmission component, which comprises a first connecting unit, a second connecting unit and a magnetic unit arranged in the first connecting unit, the magnetic unit comprises a connecting plate and a plurality of groups of magnetic components, and the plurality of magnetic components are arranged on the connecting plate in a radially movable manner. And the plurality of magnetic assemblies move in the radial direction relative to the second connecting unit. According to the scheme, axial movement adjustment does not need to be carried out, the axial length of the magnetic coupling does not need to meet the axial movement distance, the magnetic coupling can be changed into a short shaft type structure, the size structure is reduced, and the practicability of the magnetic coupling is improved.

A secondary rotation output borrowed shaft comprises a short slender shaft, a long slender shaft, and a middle coarse shaft, forming a first-order fixed shaft that is thick in the middle and thin at both ends. Bearings are fixed at both ends of the moving shaft cavity, positioned at the two perpendicular interfaces of the coarse and thin sections of the fixed shaft. The moving shaft is fixed to the outer surface of the coarse section of the fixed shaft via the bearings. A pulley is fixed to the left end of the moving shaft's outer surface, and a sprocket is fixed to the right end. The sprocket is connected to the output sprocket on the right end of the power output shaft via a chain, forming the primary power output structure. The pulley is connected to the pulley of the stubble shredder's moving shaft via a belt, forming the secondary power output structure. This secondary rotation output borrowed shaft constitutes the power output intermediary structure between the gearbox power output shaft and the stubble shredder's moving shaft, changing the power transmission structure. This secondary rotation output borrowed shaft has a novel design, reasonable structure, and flexible transmission. The power output shaft drives the stubble shredder's moving shaft to rotate via the secondary rotation output borrowed shaft, completing the stubble shredding operation more efficiently.

The utility model provides a connecting shaft combination structure for extension fork plate transmission, which solves the problems that a conventional connecting shaft for transmission is in a whole type, a trolley needs to be integrally disassembled or rotated by 180 degrees for installation in the disassembly and assembly process, errors are easy to occur, an electrical wiring part is easy to involve and the like, and the main scheme is that the connecting shaft combination structure comprises a multi-layer shuttle vehicle, the two ends of the top of the multi-layer shuttle vehicle are symmetrically provided with multi-stage stretching and forking plates and chain type transmission parts corresponding to the stretching and forking plates, the two chain type transmission parts are in transmission through the combined structure, and the combined structure comprises a coupling sleeve, a fixing part and two linear bearings corresponding to the chain type transmission parts respectively. The end, corresponding to the chain type transmission piece, of the linear bearing is rotationally connected through a bearing seat, the coupling sleeve is embedded in the other end of the linear bearing and detachably and fixedly connected with the linear bearing through the fixing piece, and the axial length of the coupling sleeve is smaller than half of the axial length of the linear bearing.

Systems and method for an electric axle assembly. The electric axle assembly includes, in one example, an electric machine rotationally coupled to a planetary differential and a first and second axle shaft directly rotationally coupled to the planetary differential. In the axle assembly, the second axle shaft is longer than the first axle shaft and the electric machine is positioned laterally between a first drive wheel shaft and a second drive wheel shaft that are rotationally coupled to the first axle shaft and the second axle shaft.