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Systems and methods for a rotary disconnect
A disconnect system for selectively coupling or disconnecting a drive member and a driven member. The disconnect system includes a clutch ring rotationally coupled to a drive member, a solenoid actuator, and a shift fork coupled to the clutch ring and configured to be pivotally moved by the solenoid actuator. The shift fork configured to be selectively moved by the solenoid actuator to transition the clutch ring between an engaged position where the clutch ring is rotationally coupled to a driven member and a disengaged position where the clutch ring is disconnected from the driven member.
Owner:HUSCO AUTOMOTIVE HLDG LLC
Differential mechanism and vehicle
The invention provides a differential mechanism and a vehicle. In the differential mechanism, the sliding sleeve is driven by the driving mechanism to move relative to the output gear, so that the differential mechanism is located at a first gear, a second gear or a third gear. The first clutch unit is connected, and the sliding sleeve is in transmission connection with a half shaft of the vehicle through the first clutch unit. The second clutch unit is connected, and the sliding sleeve is in transmission connection with the input gear through the second clutch unit. When the differential mechanism is in the first gear, the first clutch unit and the second clutch unit are separated; when the differential mechanism is located at the second gear, the first clutch unit is connected, and the second clutch unit is separated; and when the differential mechanism is located at the third gear, the first clutch unit and the second clutch unit are both connected. In this way, the differential mechanism achieves both a power interruption function and a slip limiting function with a relatively simple structure, so that the structure of the vehicle including the differential mechanism can be relatively simple and low-cost.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG
Cam actuating assembly, actuator and transmission
A cam actuation assembly, the cam actuation assembly comprising: an actuation cam; the cam actuating assembly comprises an actuating cam, an intermediate rotating member capable of rotating around a rotation axis and engaged with the actuating cam to drive the actuating cam to rotate around the rotation axis, and a fixing pin inserted into and passing through both the actuating cam and the intermediate rotating member, and the actuating cam and the middle rotating piece are kept relatively fixed in the direction of the rotating axis. The utility model further provides an actuator comprising the cam actuating assembly and a transmission comprising the actuator.
Owner:KONGSBERG AUTOMOTIVE WUXI LTD
Distributed planet row gear shifting structure and gear shifting mode thereof
The invention relates to the technical field of new energy commercial vehicle transmission systems, in particular to a distributed planet row gear shifting structure and a gear shifting mode thereof.The distributed planet row gear shifting structure comprises a driving mechanism, an integrated gear shifting sliding sleeve, a gear ring, a planet carrier, a planet wheel, a sun wheel and a half shaft; the integrated gear shifting sliding sleeve is movably installed on the side portion of the planet carrier, and the planet carrier is connected with the half shaft and used for outputting power to the wheel end. By the adoption of the distributed planet row structure, switching of two gears can be achieved, gear switching can be conducted according to the comprehensive requirements for the dynamic property and economical efficiency of the whole vehicle, a transmission shaft and a differential mechanism in a traditional central driving structure are omitted, energy consumption is further reduced, the torque density of the planet row structure is higher than that of a parallel shaft structure, and the torque density of the planet row structure is higher than that of the parallel shaft structure. And multiple groups of meshing functions are integrated through the integrated gear shifting sliding sleeve, the number of parts is reduced, the overall size is reduced, the weight is reduced, and the layout requirements of light weight and small space of the new energy commercial vehicle are met.
Owner:XIAMEN KING LONG UNITED AUTOMOTIVE IND CO LTD
Gear selecting and shifting mechanism for AMT and working method of gear selecting and shifting mechanism
The invention belongs to the field of AMT transmissions, and discloses a gear selecting and shifting mechanism for an AMT and a working method thereof, the gear selecting and shifting mechanism comprises a gear selecting and shifting executing mechanism, a main box shifting fork shaft and an auxiliary box shifting fork shaft; a main gear shifting air cylinder, a rear auxiliary box air cylinder and a gear selecting air cylinder are arranged on the gear selecting and shifting executing mechanism, a gear shifting fork clamping groove is formed in the main gear shifting air cylinder in the axial direction, an auxiliary box air cylinder shaft shifting block is arranged on the rear auxiliary box air cylinder in the axial direction, and the auxiliary box air cylinder shaft shifting block is connected with an auxiliary box shifting fork shaft. A gear selecting shifting finger notch and a spiral spring are arranged at one end of the gear selecting air cylinder, a gear shifting fork, a gear shifting block and an interlocking block are arranged on the main box shifting fork shaft, the interlocking block is fixed to the main box shifting fork shaft through a gear shifting block, the gear shifting block is installed in a gear shifting fork clamping groove, and the interlocking block is matched with the gear selecting shifting finger notch. The device is simple in structure and convenient to assemble, the axial length and height are shortened to the maximum extent, and the overall stability and reliability of a system are improved.
Owner:SHAANXI FAST GEAR CO LTD
Metro gear box mechanical disengagement device
The invention relates to a disengagement device, in particular to a mechanical disengagement device for a subway gear box, and solves the problems that according to an existing speed reducer dynamic disengagement device, when inner teeth of a gear sleeve are combined with outer teeth of combination teeth, a synchronous ring is used for a long time, friction force is reduced, and the failure rate is increased. The outer spline section is arranged on the axle, the out-of-gear sliding sleeve is meshed with the outer spline section of the axle through the inner spline on the inner wall and is in sliding fit with the axle in the axial direction, and when the traction motor breaks down, the shifting fork is driven by the executing mechanism to shift the out-of-gear sliding sleeve, so that the outer spline of the out-of-gear sliding sleeve is separated from the inner spline of the sliding groove of the driven gear; at the moment, torque is input from the axle and transmitted into the out-of-gear sliding sleeve, the out-of-gear sliding sleeve is not meshed with the driven gear any more, the driven gear is only rotationally connected with the axle, torque transmission is interrupted, the structure is simple, meshing of the out-of-gear sliding sleeve and the driven gear does not need a synchronizing ring, and fault points are reduced.
Owner:SHAANXI FAST AUTO DRIVE GRP CO LTD
Front drive axle assembly of hydraulic stepless speed change harvester
The utility model belongs to the technical field of agricultural machinery transmission systems, and particularly relates to a front drive axle assembly of a hydraulic stepless speed change harvester, which comprises a gearbox body, a first shaft, a second shaft, a third shaft, a left half shaft and a right half shaft of a differential assembly are rotatably connected in the gearbox body, and the first shaft is in transmission connection with an output end of a hydraulic stepless speed change motor. The first shaft is sleeved with a first shaft gear A, the second shaft is sleeved with a first-stage speed reduction driven gear, the second shaft and the third shaft are in transmission fit through a gear position gear assembly, the third shaft is sleeved with a third shaft gear A, a left half shaft and a right half shaft of the differential mechanism assembly are in transmission connection with the tail end transmission box assembly, and one end of the third shaft extends out of the gearbox body to form a four-wheel drive reserved end. According to the utility model, a transmission mechanism which is driven by the hydraulic stepless variable-speed motor and is provided with multi-gear speed change is adopted, so that the requirements of simple operation and stable and reliable transmission are met, and a four-wheel-drive reserved end which can be in transmission fit with a four-wheel-drive transfer case is reserved, so that the complete machine can be ensured to have enough driving force.
Owner:WENLING MINGHUA GEAR
Electric gear shifting system and vehicle
The invention relates to an electric gear shifting system and a vehicle, and the electric gear shifting system comprises a gear shifting actuator which is provided with a shifting block capable of doing pendulum type movement; the shifting fork shaft is fixedly installed on a shell of the electric gear shifting system; the shifting fork is arranged on the shifting fork shaft in a sleeving mode in an axial moving mode, and the shifting fork is movably connected with the shifting block; the pendulum type movement of the shifting block is used for pushing the gear shifting fork to axially move on the shifting fork shaft, and the gear shifting fork is used for pushing the gear sleeve to axially move, so that gear shifting is achieved.
Owner:ZERON AUTOMOBILE TECHNOLOGY CO LTD
A mini electric four-wheel drive loader gearbox
The present invention discloses a micro electric four-wheel drive loader gearbox, specifically relating to the technical field of gearboxes. It includes a box body. On one side inside the box body, an input shaft is fixedly installed. On the other side inside the box body, an output shaft is fixedly installed. In the middle of the box body, a speed-changing shaft is fixedly arranged. The input shaft, the output shaft, and the speed-changing shaft are all arranged in parallel. In the middle of the speed-changing shaft, a meshing gear is fixedly arranged. On one side of the meshing gear, a fast gear is arranged. In the present invention, the fork rotating rod on the fork rotating shaft is connected to the fork groove on the fork sleeve, driving the switching of the first connecting gear and the second connecting gear on the connecting rotating cylinder. When the first connecting gear is meshed and matched with the fast gear on the speed-changing shaft, and when the second connecting gear is meshed and matched with the slow gear on the speed-changing shaft, it is convenient to switch between fast and slow gears, with a simple structure and convenient operation, facilitating the use of the gearbox.
Owner:YONGZHOU GOLDEN ANT NEW ENERGY MASCH CO LTD
Shift mechanism, transmission, electric powertrain and vehicle
The application discloses a gear shifting mechanism, a transmission, an electric assembly and a vehicle. The gear shifting mechanism comprises a first gear, a second gear and a shift fork. The first gear and the second gear are arranged at intervals along a first direction. The shift fork is movable along the first direction and is used for cooperating with the first gear or the second gear. The shift fork is provided with a first oil passage and a second oil passage. A first oil outlet of the first oil passage is used for supplying oil to a side of the first gear facing the second gear. A second oil outlet of the second oil passage is used for supplying oil to a side of the second gear facing the first gear. A first oil inlet of the first oil passage is automatically opened when the first gear is shifted, and is automatically closed before the first gear is shifted and at the end of the shifting. A second oil inlet of the second oil passage is automatically opened when the second gear is shifted, and is automatically closed before the second gear is shifted and at the end of the shifting. According to the gear shifting mechanism, the gear shifting mechanism can guarantee lubrication and cooling effects, and the circulation and disconnection of lubricating oil can be realized without the participation of a control mechanism, so that the cost is reduced.
Owner:BYD CO LTD
Precise forced lubrication structure and method for gear pair of gearbox
The invention relates to the field of gearboxes, in particular to a precise forced lubrication structure and method for a gear pair of a gearbox. Comprising an upper cover, fixed spraying holes and a plurality of shifting fork shafts. A lubricating oil channel is arranged in the upper cover and provided with an oil inlet communicated with an external oil source. The fixed spraying holes are formed in the upper cover and communicated with the lubricating oil channel, and lubricating oil is continuously sprayed to a long meshing gear pair in the gearbox. The multiple shifting fork shafts are installed on the gearbox, and an in-shaft oil duct extending in the axial direction is arranged in each shifting fork shaft. The upper cover is further provided with upper cover spraying holes corresponding to the shifting fork shafts, and the upper cover spraying holes are communicated with the lubricating oil channel. Each shifting fork shaft is provided with a shaft spraying hole, and the shaft spraying holes are communicated with the corresponding in-shaft oil way fluid. According to the invention, the problem of insufficient lubrication of key parts caused by ineffective dissipation of lubricating oil by an irrelevant gear pair is solved, and the lubrication reliability and heat dissipation efficiency of the key gear pair are greatly improved.
Owner:BAOJI FAST GEAR
Gearbox actuator unit and gearbox
A gearbox actuator unit (14) is configured to be arranged on a gearbox (10) and includes a housing (22), a control device (24), and an actuator (28, 30). The housing (22) is configured to attach to a gearbox housing (12) and to seal the gearbox housing (12). The control device (24) is electrically connected to the actuator (28, 30) and activates the actuator (28, 30). A pinon of the actuator (28, 30) is configured to actuate a rack of a shift fork (18, 20) of the gearbox (10) and can be connected to the shift fork (18, 20) of the gearbox (10). The control device (24) and the actuator (28, 30) are arranged within the housing (22), with the pinion extending through an opening of the housing. A gearbox (10) with a housing (12) having an opening (44) receives the actuator unit (14), which closes and seals the opening (44).
Owner:ZF CV SYST GLOBAL GMBH +1
Integrated AMT gear shifting air cylinder assembly
The integrated AMT gear shifting air cylinder assembly comprises a shell, a piston sleeve is arranged in the shell, a shifting fork shaft is fixedly arranged in the piston sleeve, a gear shifting fork is arranged at the axial rear end of the shifting fork shaft in a sleeved mode, and a wave-shaped self-locking groove is formed in the outer wall of the top of the gear shifting fork; a front end cover is arranged at the axial front end of the shell, and the shell, the front end cover, the piston sleeve and the shifting fork shaft form a first air chamber. A rear end cover is arranged at the axial rear end of the shell; the shifting fork shaft and the piston shaft are integrally designed to be the shifting fork shaft, the shifting fork and the shifting fork shaft are integrally arranged in the shifting air cylinder assembly, the overall integration degree is high, the number of parts and part connection are reduced, the shifting rigidity is good, and the working reliability is higher. Meanwhile, the number of parts is reduced, the assembly process of the transmission is optimized, the weight and the cost are reduced, and the technical problems that an existing gear shifting mechanism is scattered in part arrangement, complex in assembly process and poor in gear shifting rigidity are solved.
Owner:SHAANXI FAST GEAR CO LTD
Hydraulic shifting device, gearbox and vehicle
This application provides a hydraulic shifting device, a transmission, and a vehicle. The hydraulic shifting device includes: a shift fork assembly, including a connected fork shaft and a shift fork; a hydraulic cylinder, including a cylinder body, a first piston, and a second piston, the first piston and the second piston being respectively disposed at the axial ends of the fork shaft, the first piston, the fork shaft, and the second piston being movably disposed inside the cylinder body along the axial direction of the fork shaft, and the interior of the cylinder body being divided into a first oil chamber, a fork shaft chamber, and a second oil chamber; and a gear locking mechanism, installed in the cylinder body, the gear locking mechanism being configured to be able to move radially along the fork shaft, thereby locking or releasing the fork shaft. With this configuration, when the fork shaft is locked by the gear locking mechanism, the fork shaft cannot move along its own axial direction, realizing the function of limiting gear position and preventing disengagement. Compared with using a reverse bevel gear meshing method between the synchronizer and the engagement gear, the tooth flank clearance between the synchronizer and the engagement gear is reduced, which helps to reduce knocking noise when in gear.
Owner:CHERY AUTOMOBILE CO LTD
Gear shifting assembly
The invention relates to a gear shifting assembly for a gearbox, which comprises a shifting fork shaft, a gear shifting assembly, a gear shifting assembly and a gear shifting assembly, and is characterized in that the shifting fork shaft is fixedly mounted on a gearbox shell; the shifting fork is axially and movably arranged on the shifting fork shaft in a sleeving manner, and the shifting fork is provided with a plurality of different shifting fork positions relative to the shifting fork shaft in the axial direction; the lead screw mechanism is installed on the gear shifting fork and can drive the gear shifting fork to move in the axial direction; and the locking mechanism is arranged between the shifting fork and the shifting fork shaft, and the locking mechanism is configured to allow the shifting fork to be switched among a plurality of different shifting fork positions and allow the shifting fork to be locked at each shifting fork position. According to the gear shifting assembly, the adverse effect of unexpected axial force generated in the power transmission period on gear shifting operation can be effectively reduced, and meanwhile enough axial holding force can be provided so that the gear shifting fork can be stably locked at each shifting fork position.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG
Shifting fork structure of automobile gearbox
The utility model discloses an automobile gearbox shifting fork structure, and particularly relates to the technical field of automobile gearbox shifting forks, the automobile gearbox shifting fork structure comprises a shifting fork body, shifting fork lubricating auxiliary devices are arranged at the upper end and the lower end of the shifting fork body, each shifting fork lubricating auxiliary device comprises a feeding assembly and an oil outlet assembly, and the oil outlet assemblies are arranged in the shifting fork body. Compared with the prior art, according to the shifting fork structure of the automobile gearbox, when oil is injected into the built-in groove, lubricating oil enters the moving groove, the moving groove is in an arc shape, the lubricating oil enters the oil leakage holes and is discharged through the oil leakage holes, and the multiple sets of oil leakage holes sequentially leak oil to conduct oil outlet lubricating work on the interior of the shifting fork body; the device is provided with a plurality of groups of moving grooves and oil leakage holes for carrying out staggered lubricating oil smearing work, so that the lubricating convenience and the lubricating uniformity of the whole device are greatly improved.
Owner:CHONGQING MEIOUTE ELECTRICAL & MECHANICAL MFG CO LTD
Tractor creeper gear transmission structure
The utility model provides a tractor creeper gear transmission structure which comprises a creeper gear duplicate gear, a creeper gear meshing sleeve, a creeper gear driven gear, a meshing tooth holder, a direct gear tooth holder and an auxiliary speed change output shaft. The inner ring of the first rolling bearing is coaxially installed on the outer circle of one end of the upper end cover, the upper end cover is fixed to one end of an upper square hole of the gearbox body through a bolt, and the outer ring of the second rolling bearing is coaxially installed in an inner hole of the rear axle box body. One end of the auxiliary speed change output shaft is externally meshed with a gear at one end of the creeper gear duplicate gear, a direct gear holder is coaxially installed at the end of the auxiliary speed change output shaft, and the outer circle of the auxiliary speed change output shaft is internally meshed with an inner hole of the direct gear holder through a gear. Two-stage speed reduction is adopted, the large transmission ratio can be achieved, wider working states can be met, assembly is easy, and cost is low.
Owner:JIANGSU WORLD AGRI MACHINERY
Gear selecting and shifting execution device of multi-gear transmission and control method
The invention discloses a gear selecting and shifting executing device of a multi-gear transmission and a control method, the gear selecting and shifting executing device comprises a gear shifting actuating mechanism and a matched shifting fork mechanism, the gear shifting actuating mechanism comprises a gear shifting block, a gear shifting groove is formed in the gear shifting block, the shifting fork mechanism comprises a plurality of gear shifting forks, each gear shifting fork is provided with a shifting fork head, and the shifting fork head is provided with a gear shifting groove; during gear shifting, the size relation between a gear shifting groove and a shifting fork head is designed according to C = A + 2B + D, C is the width of a gear shifting groove opening, the width of the shifting fork head is A, B is the gear engaging stroke of a synchronizer corresponding to each gear, and D is the gap of the gear shifting groove opening; the execution device is characterized in that after any gear engaging or gear disengaging is completed, a gear shifting actuating mechanism is provided with zero returning phase control logic; by means of the gear shifting structure design and the equipped control logic, the requirement for simultaneous on-gear of any multiple gears and the requirement for off-gear of any gear can be met, meanwhile, the free gear jumping function of any gear can be achieved, and the control performance of the transmission is improved.
Owner:XIAMEN NEVC ADVANCED ELECTRIC POWERTRAIN TECH INNOVATION CENT
Gear selecting and shifting executing mechanism for AMT (automated mechanical transmission)
The gear selecting and shifting executing mechanism comprises a gear selecting air cylinder, the gear selecting air cylinder is connected with a gear selecting shaft, the gear selecting shaft is connected with a pin connecting block, the pin connecting block is connected with a gear selecting fork, the gear selecting fork comprises a U-shaped connecting section and a U-shaped fork foot, the U-shaped connecting section comprises a first U-shaped cavity, and the first U-shaped cavity is used for installing the pin connecting block in a matched mode; the U-shaped fork foot comprises a second U-shaped cavity, a gear shifting shaft is sleeved with the second U-shaped cavity in a matched mode, and the gear shifting shaft is connected with a gear shifting air cylinder. According to the gear selecting and shifting executing mechanism of the AMT, the gear selecting air cylinder and the gear shifting air cylinder are arranged in the 90-degree mode, the height difference exists in the height direction, the space occupied by the whole system is reduced to the maximum extent through the arrangement mode, and the compatibility of the gear selecting and shifting executing mechanism is improved to the maximum extent; the gear selecting and shifting executing mechanism can be matched with different transmission bodies, and the product serialization design from a 10-gear AMT transmission to a 20-gear AMT transmission is achieved.
Owner:SHAANXI FAST GEAR CO LTD
Gear shifting mechanism
The utility model discloses a gear shifting mechanism, relates to the technical field of automobile transmissions, and aims to solve the technical problem that the current gear shifting mechanism is not convenient enough to adjust manually, the gear shifting mechanism comprises an electronic driving structure, the electronic driving structure comprises a mounting seat, the interior of the mounting seat is divided into a rear cavity and a front cavity, and the rear cavity is communicated with the front cavity. Through the designed electronic driving structure, the gear shifting fork is fixedly installed on the T-shaped threaded sleeve through the butt joint base and the fixing bolt, then a worker can directly control the motor to work, then the motor drives the base and the lead screw to rotate through the transmission structure, and at the moment, the T-shaped threaded sleeve on the lead screw ascends and descends; according to the electronic control device, the gear shifting fork is driven to move, then gear shifting adjustment of the automobile transmission is achieved in the shifting fork moving process, a traditional manual gear shifting mode is replaced with an electronic control mode, and therefore gear shifting adjustment of the automobile transmission can be conveniently achieved.
Owner:SHENGDING NEW ENERGY TECH (WUXI) CO LTD
Gear-engaging limiting meshing sleeve mechanism
Owner:MAHINDRA YUEDA YANCHENG TRACTOR
Power switching system and automobile
The invention discloses a power switching system and an automobile. The power switching system comprises a motor shaft capable of being driven by a motor driving unit, a gear shifting cam ring capable of being driven by the motor shaft to rotate, the gear shifting cam ring comprises a first inclined face and a clutch cam ring, and the clutch cam ring comprises a second inclined face. The clutch cam ring is provided with a first inclined plane and a second inclined plane, the first inclined plane can be matched with the second inclined plane, when the gear shifting cam ring rotates in the first direction, the first inclined plane can apply acting force to the second inclined plane so that the clutch cam ring can move away from the gear shifting cam ring in the axial direction, and the parking cam can be driven by a motor shaft to rotate. The parking cam can drive the parking pawl to swing around the pawl shaft so as to lock the parking gear. According to the power switching system, the arrangement of the power switching system can be optimized.
Owner:SAIC GENERAL MOTORS +1
Speed change device and vehicle
Owner:JATCO LTD
A master-slave cooperative dual-motor electric drive axle configuration and a control method thereof
ActiveCN121316532BStrong choiceReduce drag energy lossSpeed controllerControlled membersGear wheelElectric machine
The application belongs to the technical field of vehicle electric drive, and provides a main-aid collaborative double-motor electric drive axle configuration and a control method thereof, and the technical scheme comprises a gear shaft system matched with a main motor and comprising at least one first synchronizer, a gear shaft system matched with an auxiliary motor and comprising at least one second synchronizer; each three-stage planetary gear set reduction gear shifting mechanism comprises at least one third synchronizer and one planetary gear reduction mechanism, a gear shifting fork is arranged on each first synchronizer, second synchronizer and third synchronizer, and the gear shifting fork is connected to a controller; in each driving mode, a corresponding motor driving control strategy is adopted to output a driving torque distributed by a motor; based on the output driving torque distributed by the motor and a gear shifting switching strategy, the gear shifting forks of the synchronizers are switched to realize multi-gear shifting. On the premise of compact overall arrangement, system efficiency optimization is ensured in the whole working condition range.
Owner:SHANDONG UNIV
Variable speed system and all terrain vehicle using the same
The application discloses a variable speed system and an all-terrain vehicle, and the variable speed system comprises a box, an input shaft, a free gear, a synchronous gear, a shift fork shaft, a shift fork and an electromagnetic clutch assembly. The box is arranged to form a containing cavity. The input shaft is installed on the box. The free gear is installed on the input shaft and is in clearance fit with the input shaft. The synchronous gear is connected with the input shaft through a spline and can move along the input shaft in the axial direction to make the synchronous gear engage or separate from the free gear. The shift fork shaft is fixed to the box, and the shift fork is sleeved on the shift fork shaft and can move along the shift fork shaft in the axial direction. The electromagnetic clutch assembly comprises two electromagnetic clutches arranged along the shift fork shaft in the axial direction, and the shift fork is located between the two electromagnetic clutches. The electromagnetic clutches are switched to switch the combination of the synchronous gear and the free gear. Through the above arrangement, the structure of the variable speed system is simpler, and the overall cost is lower.
Owner:ZHEJIANG CFMOTO POWER CO LTD
Electric sub-drive type tooth bag and vehicle
The utility model relates to the field of vehicle parts, in particular to an electric sub-drive type gear packet and a vehicle, which comprises an input shaft, a synchronizing ring, an electric driving source and a driving unit for moving the synchronizing ring, the electric driving source is connected with the driving unit, and the synchronous ring is rotationally connected to the driving unit; the input shaft comprises a first input shaft body and a second input shaft body used for stretching into the tooth bag shell, and the first input shaft body and the second input shaft body are coaxially arranged. The synchronizing ring simultaneously acts on the first input shaft and the second input shaft, and at the moment, the first input shaft is in power connection with the second input shaft; the synchronizing ring only acts on one of the first input shaft and the second input shaft, and at the moment, power transmission of the first input shaft and the second input shaft is cut off. According to the scheme, switching of power input cutting and power connection transmission of the tooth bag is achieved in an electric mode, and switching of vehicle driving modes is achieved.
Owner:CHONGQING FUBANG TECH CO LTD
Hybrid shifting fork assembly of automobile transmission
The utility model relates to a hybrid shifting fork assembly of an automobile transmission, which comprises a first shifting fork, a second shifting fork, a third shifting fork and a fourth shifting fork. The first shifting fork and the fourth shifting fork are oppositely distributed and located on the sides, away from each other, of the second shifting fork and the third shifting fork. The first shifting fork, the second shifting fork, the third shifting fork and the fourth shifting fork are fixedly connected with one ends of the wave-shaped blocks respectively, and the end faces of the other ends of the four wave-shaped blocks are of a corrugated structure respectively and used for being matched with wave-shaped grooves in the corresponding portions in a gearbox. The gear shifting fork assembly has the advantages that the structure is compact, the occupied space is small, the gear shifting fork assembly is assembled in a gearbox, gear shifting and speed changing are achieved, the gear shifting accuracy and efficiency are high, abrasion resistance is good, the noise reduction effect is good, and cost is low.
Owner:WUHAN PANZHOU PRECISION TECH CO LTD
Gear shifting device of tractor
The utility model relates to the technical field of tractors, in particular to a tractor gear shifting device. Comprising a control box body, two gear shifting shafts are installed on the control box body, a speed change shifting fork is fixedly installed at the end, close to an upper cover, of each gear shifting shaft, the end, away from the speed change shifting fork, of each gear shifting shaft is slidably installed in a guide cylinder, the outer side of the guide cylinder is fixedly connected with a gear shifting rocker arm, and the guide cylinder is fixedly connected with the control box body in the axial direction; a gear selecting mechanism used for driving the gear shifting shaft to move in the axial direction is installed on the control box body and comprises a gear selecting rocker arm located on the outer side of the control box body. And the gear selecting rocker arm and the gear shifting rocker arm are respectively in transmission connection with the corresponding control handles through flexible shaft transmission mechanisms. By means of the structure, the control handle can be in transmission connection with the gear shifting rocker arm and the gear selecting rocker arm through the flexible shaft transmission mechanism during transmission connection, other devices in a tractor can be avoided during installation, limitation of installation space is avoided, and installation is convenient.
Owner:BOLU TRANSMISSION (JIANGSU) CO LTD
Transmission of electric vehicle
The invention relates to an electric vehicle transmission which comprises a gear transmission system and a transmission gear shifting system. The transmission gear shifting system is characterized in that reverse gear combination and mutual switching of a neutral gear transmission path and a second gear transmission path are achieved through operation of a first shifting fork, and mutual switching of a third gear transmission path, a neutral gear, a first gear transmission path, a reverse neutral gear and a reverse first gear is achieved through operation of a second shifting fork; the two shifting forks are controlled by a double-slideway groove turntable and are connected with a large gear shifting knob to control the electric vehicle driving of a reverse first gear and a forward third gear; a sliding shaft is fixed above the middle of the front shaft and the rear shaft in the machine shell. The first shifting fork and the second shifting fork are installed on the sliding shaft in a sliding fit mode. A protruding block is arranged on a sliding sleeve of the first shifting fork and matched with the lower end of a lever, and a steel sheet fork is assembled at the upper end of the lever and matched with the reverse gear ratchet disc. The adaptive capacity of the electric vehicle transmission is improved, and the effects of saving electricity and increasing the endurance mileage are achieved.
Owner:向雨阳
A gearbox cylinder integrated self-locking interlocking structure
The present application relates to a transmission cylinder integrated self-locking interlocking structure, which belongs to the technical field of commercial vehicle transmissions. It includes: a half-gear shift mechanism, which includes a shift operating shaft slidably connected to the transmission housing, and a shift fork fixedly connected to the shift operating shaft; a climbing gear shift mechanism, which includes a climbing gear operating shaft slidably connected to the transmission housing, and a climbing gear cylinder that drives the climbing gear operating shaft to slide back and forth; a shift interlocking mechanism, which includes an interlocking pin slidably connected to the climbing gear cylinder, and the interlocking pin is used to lock the shift fork or the climbing gear operating shaft. In the present application, when the half-gear shift mechanism is engaged in low gear or high gear, the shift fork drives the interlocking pin to lock the climbing gear operating shaft, thereby preventing the climbing gear shift mechanism from malfunctioning; when the climbing gear shift mechanism is engaged in climbing gear, the climbing gear operating shaft drives the interlocking pin to lock the shift fork, thereby preventing the half-gear shift mechanism from malfunctioning, thereby realizing mechanical interlocking between the half-gear shift mechanism and the climbing gear shift mechanism.
Owner:DONGFENG COMML VEHICLE CO LTD