33results about How to "Gear shifting" patented technology

The invention discloses a rod type electronic gear shifter and an automobile. The rod type electronic gear shifter comprises a shifting rod component, a sensor module, an electronic control unit and M / S gear buttons; the shifting rod component is in a five-position mono-stability form; when the shifting rod component is pulled to a non-stable position and is released, the shifting rod component can be automatically returned to a stable position; the sensor module is used for detecting the pulling angle or position of the shifting rod component and transmitting the pulling angle or position tothe electronic control unit; the electronic control unit is used for acquiring a current gear signal of the overall automobile from a transmission control unit, acquiring a braking signal from a brakemodule, acquiring an input signal of a driver from the sensor module and the M / S gear buttons and calculating a target gear and sending the target gear to the transmission control unit according to preset rules and based on the acquired signals; and the transmission control unit is used for driving a transmission to be pulled to the target gear. The rod type electronic gear shifter disclosed by the invention can realize shifting of the M / S gears without additionally arranging a mechanical structure.

The invention relates to a drive arrangement for an electric vehicle and a method for power shifting. The drive arrangement comprises: first and second drive wheels (R1, R2) with wheel axles (a1, a2), a first electric machine (EM1) and a second electric machine (EM2) with a common rotational axis (m), a manual transmission (G3) with a transmission input shaft (EW) and a transmission output shaft (AW), and an axle differential (DI) with a differential input (DIK) and two differential output shafts (3a, 3b), the first electric machine (EM1) being connected to the transmission input shaft (EW), and the transmission output shaft (AW) being connected to the differential input (DIK), and the second electric machine (EM2) can, if necessary, be engaged as an additional drive.

The invention discloses a gear selecting and shifting actuating mechanism and an automatic transmission and relates to the technical field of transmissions, aiming at preventing the situation that gears collide with each other from occurring during gear selection of the transmission. The gear selecting and shifting actuating mechanism comprises a gear selecting motor, a gear selecting shaft, a gear shifting motor, a gear shifting shaft, a gear shifting block, shifting fork shafts and shifting forks, wherein the gear selecting motor is connected with the gear selecting shaft in a driving way, the gear shifting motor is connected with the gear shifting shaft in a driving way, the gear selecting shaft is connected with the gear shifting shaft through a thread pair, the gear shifting block which can rotate along the circumferential direction of the gear shifting shaft is sheathed on the gear shifting shaft, the shifting fork shafts are arranged below the gear shifting block and are arranged at intervals in parallel along the axial direction of the gear shifting shaft, and a shifting fork is fixedly arranged on each shifting fork shaft. When the gear shifting block rotates along the circumferential direction of the gear shifting shaft, one shifting fork shaft is driven to move along the axial direction of the shifting fork shaft. The gear selecting and shifting actuating mechanism is mainly used in automobile transmissions.

The invention discloses a clutch. The clutch comprises a driving shaft, a driven shaft, and a transmission part static relative to the peripheral direction of the driven shaft or the driving shaft; the driven shaft and the driving shaft are embedded, and a closed first inner cavity is defined by the driving shaft, the driven shaft and the transmission part; the first inner cavity is provided with a first valve; in a closed state of the first valve, the driving shaft is rotated to compress a medium in the first inner cavity to push the driven shaft to rotate; and in an open state of the first valve, when the driving shaft rotates, the driven shaft can be kept static. The clutch realizes the engaging and disengaging function through gentle motion of the medium in the first inner cavity; and acute friction heating cannot be generated in the engaging and disengaging process, so that the friction ablation problem is prevented, the service life of the clutch is effectively prolonged, and the energy loss is reduced. Meanwhile, the clutch needs no special clutching hydraulic mechanism, can realize automatic control of a harness, and is simple and reliable in structure. The invention further discloses a vehicle comprising the clutch; and the same technical effects are achieved.

The invention discloses an electromobile four-gear manipulator which comprises a base, a shell, a spindle, a gear rod, a handle and a gear shift signal generating device. The shell is fixedly mounted on the top surface of the base, a rectangular notch is formed in the middle of the base, the spindle is horizontally arranged in the rectangular notch penetratingly and fixedly connected with the base, an arc-shaped long slotted hole is formed in the top surface of the shell, an rotation axis of the arc-shaped long slotted hole is parallel to an axis of the spindle, the gear rod penetrates the long slotted hole in the top surface of the shell, a shaft sleeve arranged at the lower end of the gear rod is mounted on the outer side of the spindle in a sleeved manner, the handle is fixedly mounted at the top end of the gear rod, and the gear shift signal generating device is mounted between the gear rod and the shell. The electromobile four-gear manipulator is used for realizing gear shift of an electromobile; the gear shift signal generating device is mounted between the shell and the gear rod, a gear shift signal is triggered solely by swinging the gear rod, and a gear shift signal output end is connected with an electromobile driving motor to realize control on rotating speed and steering. Compared with existing manipulators, the electromobile four-gear manipulator is more compact in structure and convenient to mount.

The invention relates to a hydraulic control system of a dual-clutch automatic transmission. The system comprises a clutch control module, a shift control module, a clutch cooling module, a shafting cooling module and a main pressure-regulating module, wherein two shift electromagnetic valves and an R-gear shift cylinder are arranged inside the shift control module; a shift valve is arranged in the clutch control module; the R-gear shift cylinder is communicated with the shift valve through an R-gear shift oil way; an R-gear empty oil way is respectively extracted in parallel from output oil ways of the two shift electromagnetic valves; the two R-gear empty oil ways are connected with two input ends of a shuttle valve respectively; and an output end of the shuttle valve is communicated with the spring chamber of the R-gear shift cylinder through an empty output oil way. The hydraulic control system effectively solves the technical problem of unreliable return of an R gear of the dual clutch, makes the return of the R gear of the dual clutch more reliable and improves the working reliability of the hydraulic control system of the dual-clutch automatic transmission.

The invention discloses a planetary gearbox built-in type bicycle speed change transmission mechanism. The planetary gearbox built-in type bicycle speed change transmission mechanism comprises two fixed seats, a wheel hub, a central transmission shaft, a planetary gearbox, two treading cranks and a gear shifting assembly, wherein the fixed seats are fixedly connected with a frame of a bicycle respectively; the wheel hub is rotatably connected between the two fixed seats; the central transmission shaft penetrates into the wheel hub; the planetary gearbox comprises a central wheel, a planetary gear, a planetary carrier and a gear ring; the gear ring is arranged in the wheel hub; the planetary carrier sleeves on the central transmission shaft; the planetary gear is arranged on the planetary carrier; the planetary gear is further externally engaged with the central wheel; the central wheel is in transmission connection with the wheel hub; the two treading cranks are fixedly connected to the two ends of the central transmission shaft respectively; the gear shifting assembly comprises a gear shifting spline and a gear stirring mechanism; the gear shifting spline sleeves on the central transmission shaft; and the gear stirring mechanism is in transmission connection with the gear shifting spline. Compared with the prior art, the planetary gearbox is arranged in the wheel hub and the gear stirring mechanism drives the gear shifting spline to move to be in transmission connection with the central wheel or the planetary carrier so that gear shifting of vehicles is realized; and the planetary gearbox built-in type bicycle speed change transmission mechanism is simple in structure and convenient to operate.

The invention relates to the field of bridge erecting machine auxiliary devices, and specifically discloses a bridge erecting machine leg support device, comprising: a base with a bottom plate, a bottom plate with sleeper grooves and nails, a sleeper board, and a mobile seat with a top plate , a lifting assembly consisting of the first hydraulic cylinder and the second hydraulic cylinder, a rotating bushing, a shift assembly with a shift shaft and a shift lever assembly, an adjustment assembly and a dust shield. The invention can be welded or fixedly connected on the traverse track of the bridge erecting machine, can replace the traditional sleeper pier, is durable, and has better safety, and the sleeper board on the fixed seat can increase the friction force of the fixed surface of the support device, The overall height can be adjusted through the internal lifting components, and local fine-tuning in various directions in the horizontal plane can also be realized through the shifting components.

The invention relates to a screw rod gear selecting and gear shifting mechanism, comprising a gear selecting mechanism and a gear shifting mechanism. The gear selecting mechanism is a screw rod gear selecting mechanism, and comprises a screw rod with the rotating axis parallel with a gear shifting shaft; a nut making linear motion along the rotating axis when the screw rod rotates is assembled on the screw rod, the nut is in transmission connection with a gear shifting fingerstall through a driven rod fixed with the nut, and the gear shifting fingerstall is axially assembled on a gear shifting finger along the gear shifting shaft in a limiting and rotating mode. The gear selecting mechanism is a screw rod-nut mechanism, wherein the nut is driven to make linear motion through driving the screw rod to rotate, the nut drives the gear shifting finger to slide along the gear shifting shaft through the driven rod, and the gear shifting finger glides to a position corresponding to a shifting fork shaft, therefore, gear selecting is realized. The gear shifting mechanism comprises a gear shifting shaft and a gear shifting finger matched with the gear shifting shaft through a spline. When the gear shifting shaft rotates, the gear shifting finger is driven to rotate so as to drive a shifting fork, and the corresponding shifting fork shaft is turned to move to a proper gear so that gear shifting is realized.

The invention relates to a hybrid two-shift gearbox transmission system. An engine is connected with an input shaft I, a clutch is provided with a driven end and a driving end, the driving end is fixed to the input shaft I, and the driven end is provided with a driven end gear which is meshed with a shift gear; an output shaft gear is fixed to an output shaft and is meshed with a differential mechanism; the shift gear sleeves the output shaft in a hollow manner; a planetary gear unit is mounted on the output shaft, and is provided with a gear ring, a planet carrier, a sun gear, a first clutch, a second clutch, a first brake and a second brake; the planet carrier is fixed to the output shaft, and the first clutch is arranged between the shift gear and the gear ring; the second clutch is arranged between the shift gear and the sun gear; and the first brake is used for locking the sun gear, the second brake is used for locking gear ring, a driving motor is connected with the input shaft II, the gear of the input shaft II is fixed to the input shaft II, and the gear of the input shaft II is meshed with the shift gear. The invention further provides a hybrid electric vehicle with the transmission system.

The invention relates to a hybrid two-shift gearbox transmission system. An engine is connected with an input shaft I, a clutch is provided with a driven end and a driving end, the driving end is fixed to the input shaft I, and the driven end is provided with a driven end gear which is meshed with a shift gear; an output shaft gear is fixed to an output shaft and is meshed with a differential mechanism; the shift gear is fixed to the output shaft, and a driving motor is connected with an input shaft II; a planetary gear unit is mounted on the input shaft II, and is provided with a gear ring, a planet carrier, a sun gear, a first clutch, a second clutch, a first brake and a second brake; the first clutch is arranged between the input shaft II and the gear ring; the second clutch is arranged between the input shaft II and the sun wheel; and the first brake is used for locking the sun gear, the second brake is used for locking the gear ring, the planet carrier is fixed to a gear of the input shaft II, the gear of the input shaft II sleeves the input shaft II in a hollow manner, and the gear of the input shaft II is meshed with the shift gear. The invention further provides a hybrid electric vehicle.