47results about "Controlled members" patented technology

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.

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.

The application discloses a gear box for integrated variable speed gear shifting synchronization and multifunctional test bed, belonging to the field of rail transit technology, comprising an input shaft group, an output shaft group, a right synchronization shaft group, a left synchronization shaft group, a box body, a sealing structure, a lubricating system and a state monitoring module; the input shaft group comprises an input shaft and bearing one, and two groups of fixed gears with different teeth numbers are arranged on the input shaft; the output shaft group comprises bearing two, bearing three and gear one. The core of the gear box is integrated with the input shaft group, the output shaft group, the right synchronization shaft group, the left synchronization shaft group, the matched box body, the sealing structure, the lubricating system and the state monitoring module, three core functions of variable speed, gear shifting and synchronization are integrated, and no additional auxiliary equipment such as independent gear box and synchronization box is needed, so that the equipment layout of the test bed is greatly simplified, the occupied space is reduced, the installation and debugging difficulty caused by the connection of multiple devices is reduced, and the space utilization and overall compactness of the test bed are improved.

The utility model discloses a two gear rack type gear shift mechanism relates to gear shift mechanism technical field, and the utility model discloses a shell, one side surface fixedly connected with side box has of shell, one side surface fixedly connected with servo motor has of side box, servo motor output fixedly connected with rotating column, rotating column outside surface fixedly connected with gear disc, gear disc outside surface is connected with rack plate with meshing, the bottom surface fixedly connected with follow board has of rack plate, the bottom surface fixedly connected with the lamination board has of follow board, through being provided with servo motor, rotating column, gear disc, rack plate, follow board, lamination board and yoke, more fast and accurate completion gear shift operation, simple structure, and transmission efficiency is high, and the cost is lower, through servo motor drive rotating column, gear disc rotates, and then drive rack plate, follow board, lamination board and yoke movement, and the yoke is inserted into the gear shift yoke groove in gearbox.

This application relates to the field of vehicle technology, and provides a method, device, and electronic device for handling gear positions in a hybrid transmission. The method includes the following steps: S1: In response to a gear shifting command, determine whether the gear actuator meets the emergency gear conditions; S2: If it does, collect the operating data of the gear actuator; wherein, the operating data includes at least: the position of the shift fork, the oil pressure, and the shift fork action time of the gear actuator; S3: Based on the operating data of the gear actuator, determine the failure type of the gear actuator; S4: Based on the gear failure type and the number of failures, trigger a corresponding preset processing strategy to adjust the fluid operating parameters of the gear actuator; wherein, the fluid operating parameters include at least: the oil pressure and flow rate of the gear actuator. This invention solves the technical problem of hybrid transmissions being unable to engage or disengage gears unexpectedly due to complex road conditions.

The present disclosure provides a two-speed transfer case with a single actuator that may implement both the fork axial movement function and the ball ramp operation function by using the single actuator, and can accurately identify the butting or failure state by determining the angular difference before and after the torsion spring through the MR sensor of the motor, the position sensor that directly detects the axial position of the fork, or the angle sensor that directly measures the rotation angle of the cylindrical cam.

The invention relates to a coupling device (10) for coupling and / or decoupling a gear wheel (21) to / from a shaft (14) and, in particular, to a transmission having a corresponding coupling device (10) for an electric drive.

This invention discloses a dryer gearbox with a shift fork, comprising: a lower housing, a transition gear I, a retaining sleeve, a pinion I, a switching mechanism, an upper housing, a linkage mechanism, an operating mechanism, an indicator, a cover plate, an intermediate support, a splined half-shaft, a pinion II, a transition gear II, and a bracket. The high-speed shaft of this gearbox consists of two independently driven input shafts. The equipment can be turned without a clutch device. The gearbox can be driven independently by shifting the shift fork, which saves production space and reduces the problem of easy damage to the clutch device.

The invention relates to a lubrication system for a vehicle (100), comprising • a housing (1) with at least one lubrication bore (11) for introducing lubricant from a lubrication circuit with a pump (20), • a switching rail (2) with at least one lubrication bore (12), wherein the switching rail (2) is received in the housing (1) and the at least one lubrication bore (12) of the switching rail (2) is fluidically connected to the at least one lubrication bore (11) of the housing (1), and • a switching fork (3) with at least one lubrication bore (13), wherein the switching fork (3) is slidably mounted on the switching rail (2) and the at least one lubrication bore (13) of the switching fork (3) is at least indirectly fluidically connected to the at least one lubrication bore (12) of the switching rail (2) and is configured to spray the lubricant introduced into the at least one lubrication bore (13) of the switching fork (3) at least onto a sliding shoe (4) and / or onto a sliding sleeve (5).

The utility model discloses a kind of motor gear shifting electric control device and gear shifting box, belong to electric vehicle gear shifter technical field.The device includes switch module, electric control drive module and yoke structure, switch module receives gear shifting instruction and exports electric signal by gear shifting switch and relay combination, electric control drive module includes shell, driving mechanism and transmission assembly with eccentric dialing column, and driving dialing plate realizes deflection motion by guide groove, yoke structure is linked with gear set through torsion spring reset mechanism.Yoke structure bifurcated end adopts annular profile design and is accurately matched with gear sleeve groove, wherein dialing plate is equipped with the guide groove matched with dialing column trajectory.Due to the utility model, electric signal drive replaces traditional manual gear shifting, utilizes electric control module to accurately control yoke horizontal displacement, effectively eliminates artificial operation delay, avoids the jamming phenomenon caused by gear misplacement, improves gear shifting response speed and power transmission continuity, guarantees vehicle driving safety and control stability.

The utility model discloses a kind of direct connection traction gearbox, belong to gear shift transmission output field, including direct connection traction gearbox, the inside of direct connection traction gearbox is connected with gear shift shaft by poking, the outside of gear shift shaft is fixedly connected with yoke, the inside of direct connection traction gearbox is rotatably connected with shaft one, the outside of shaft one is fixedly connected with gear one, the inside of direct connection traction gearbox is rotatably connected with shaft two, the outside of shaft two is engagedly connected with gear two, the outside of shaft two is engagedly connected with gear three, the yoke is connected between gear two and gear three by poking, its technical scheme key point is, the device uses integrated design, increases rear output design, so it has the ability of retrofit four-wheel drive, with simple structure, easy to operate, low failure rate, convenient maintenance, long service life The characteristics of, when there is the need to replace operation demand, improve the replacement speed, ensure mechanical accuracy.

The application discloses a multifunctional differential mechanism, which comprises a motor gear shifting mechanism, an electromagnetic driving mechanism and a differential mechanism body, wherein the differential mechanism body is provided with a sliding block, a parking disc, an outer shell, an inner shell, a locking half shaft gear and an upper end tooth disc; the motor gear shifting mechanism drives the sliding block to move along the axial direction, so that the sliding block is combined with or disconnected from the parking disc or the outer shell; the electromagnetic driving mechanism drives the upper end tooth disc to move along the axial direction, so that the upper end tooth disc is combined with or disconnected from the locking half shaft gear; and the parking disc is fixed with the outer shell. The multifunctional differential mechanism is deeply composite, breaks through the technical limitation, can synchronously realize four core functions of differential, differential locking, power transmission / disconnection and parking locking, does not need to additionally add independent components, has high structural integration, has scientific and reasonable layout, is accurate and stable in switching, is high in reliability, is wide in adaptability, is strong in compatibility, is high in power transmission efficiency, is more optimal in energy consumption, is automatic in operation and is convenient to use.

A gear shifting device for a transmission of a vehicle has a rod configured to be connected to an actuator for moving the rod along a longitudinal axis of the rod, and a set of shift forks comprising a first shift fork and a second shift fork, the first and second shift forks being fixed to the rod so as to be actuated in unison. The rod has a first part and a second part configured to be mechanically connected to each other via at least one connection interface, wherein the first shift fork is fixed to the first part of the rod and the second shift fork is fixed to the second part of the rod.

Provided is a transmission system including an output axis, a plurality of input gears mounted on the output axis, a transmission assembly configured to selectively engage with the plurality of input gears, and a controller, wherein the transmission assembly includes a plurality of actuators, a plurality of rotation axes, a plurality of shift forks, a plurality of synchronizers, and a plurality of position sensors, wherein the controller is configured to compare a position value of the plurality of shift forks detected by the plurality of position sensors and a predetermined reference position value and, when the detected position value does not match the reference position value, transmit a correction signal to at least one of the plurality of transmission actuators.

This utility model discloses a transmission device with uninterrupted power. It includes an input shaft, a first transmission mechanism, a second transmission mechanism, an output mechanism, a shifting mechanism, and a control switch. The output mechanism includes an output shaft, at least two transmission gears, and at least two shifting assemblies. The shifting assemblies slide to fix the transmission gears to the output shaft. Each transmission gear meshes with a first transmission gear in the first transmission mechanism and a second transmission gear in the second transmission mechanism. The shifting mechanism includes a drive assembly and control levers. The drive assembly drives the control levers to move, causing the two shifting assemblies to slide simultaneously. This allows the other shifting assembly to engage with the corresponding transmission gear when one shifting assembly is not disengaged. During shifting, one of the first and second transmission gears engages with the transmission gear corresponding to the starting gear, and the other engages with the transmission gear corresponding to the target gear. This utility model solves the technical problems of power interruption and large impact during shifting in existing systems.

This invention relates to a shift actuator, comprising: a support (2); a rotating member (4) mounted to rotate about a rotation axis relative to the support (2); an electric motor for rotating the rotating member; a shift fork (30) mounted to pivot about a pivot axis (22) parallel to the rotation axis; a cam (10) having a cam protrusion (12) including a apex (14) and connected to rotate with the rotating member (4), but freely displaceable in a linear direction defined by a line perpendicular to the rotation axis to overcome the bias of a spring (40) to move the cam protrusion apex (14) closer to the rotation axis, the spring (40) biasing the cam protrusion apex (14) away from the rotation axis to an extended position; and a cam follower (38) disposed on the shift fork (30) and configured to engage with the cam protrusion (12) such that... When the cam protrusion applies force on the cam follower (38), the resultant force causes the shift fork (30) to pivot from the neutral position to the shift position; the control unit (50) is configured to control the electric motor; characterized in that the sensor (60) is connected to the control unit (50) and configured to detect when the shift fork (30) has reached the shift position, the cam (10) is provided with a protruding cam stop (20), and the control unit (50) is configured to, upon receiving a sensor signal indicating that the shift fork (30) has reached the shift position, control the electric motor (4) to rotate the cam (10) by another predetermined angle so that the cam (10) moves to the blocking position, in which the cam stop (20) is juxtaposed with a fixed stop (8) fixed relative to the support (2) to block the linear displacement of the cam (10) against the bias of the spring.

This utility model discloses a limited-slip differential lock reducer, comprising: a housing, a differential, a bevel gear shaft, a splined shaft, and a shifting mechanism. The meshing surfaces of the synchronous gear ring and the synchronous gear are coated with a wear-resistant coating. The bevel gear shaft is movably connected to the housing via a bearing seat. The differential includes a differential housing, half-shaft gears, planetary gears, and a limited-slip differential lock assembly. The limited-slip differential lock assembly includes a balance spring, a clutch plate assembly, and a pressure transmission mechanism. The pressure transmission mechanism is movably connected to the clutch plate assembly. Noise-reducing bushings are provided at the connections between the housing, the differential housing, and the splined shaft. This utility model combines the dynamic pressure adjustment of the balance spring and the flexible switching of the shifting structure to achieve rapid limited-slip locking and multi-gear power transmission on slippery surfaces. The dual-stage balance spring and integrated status monitoring module ensure fast limited-slip response. This utility model features a compact structure, high power transmission, large load-bearing capacity, low noise, high reliability, flexible shifting, and strong durability.

The application discloses a hydraulic drive gearbox of engineering machinery, and aims at solving the problems of manufacturing cost and easy tooth collision of the existing hydraulic drive gearbox of wheel excavator. The input shaft (8) in the gearbox body (2) is provided with a high-speed gear driving gear (11), the other end of the input shaft (8) extending out of the gearbox body (2) is connected with a wet brake (1), the intermediate shaft (10) parallel to the input shaft (8) is arranged in the gearbox body (2), the high-speed gear driven gear (22), driving gear I (23) and driving gear II (9) are arranged on the intermediate shaft (10), the driven gear I (24), driven gear II (29), synchronizer assembly I (25) and synchronizer assembly II (28) are arranged on the output shaft (7) in the gearbox body (2), and the clutch is a normally open wet hydraulic clutch (3).

The application provides a kind of idle position dynamic learning method, the idle position of fork current on screw rod is first idle position, comprising: control fork moves from first idle position to first gear direction, the position of fork when the speed variation rate of driving motor is greater than first preset variation rate is first fork position;Control fork moves from first idle position to second gear direction, the position of fork when the speed variation rate of driving motor is greater than second preset variation rate is second fork position, second gear and first gear corresponding opposite direction;Second idle position is determined according to first fork position and second fork position;At least according to second idle position to determine target idle position.Through monitoring and dynamic learning to idle position, can be well adapted to gear position change caused by wear and other factors in the whole life cycle process of gear shifting assembly, ensure the accuracy of idle position, improve the safety of driving.

An electric drive device for a motor vehicle includes a first gear element having an internal toothing, a second gear element arranged coaxially to the first gear element and having a first external toothing arranged radially inside the internal toothing, and a third gear element arranged coaxially to the first gear element and coaxially to the second gear element and having a second external toothing arranged radially inside the internal toothing. The device also includes a sliding sleeve having an internal sliding sleeve toothing and an external sliding sleeve toothing. The sliding sleeve is permanently connected to the first gear element for conjoint rotation via the external sliding sleeve toothing and the internal toothing.

This application discloses a transmission device and an all-terrain vehicle using the transmission device. The transmission device includes a housing, an input shaft, a drive shaft, a linkage assembly, and a shifting assembly. The input shaft is rotatably inserted into the housing, with its two ends being an input end and an output end, respectively. The drive shaft is rotatably inserted into the housing and coaxial with the input shaft. The end of the drive shaft closest to the input shaft is the drive end, the outer peripheral wall of the output end is provided with a first spline, and the outer peripheral wall of the drive end is provided with a second spline. The linkage assembly includes a linkage sleeve, which is slidably fitted on the outside of the output end and the drive end. The linkage sleeve is slidably connected to the first spline and the second spline. The linkage assembly also includes a sliding sleeve and a buffer elastic element, with both ends of the buffer elastic element connected to the sliding sleeve and the linkage sleeve, respectively. The shifting assembly is connected to the sliding sleeve and is used to drive the sliding sleeve to slide, so that the buffer elastic element drives the linkage sleeve to separate from the second spline. This transmission device has good power disconnection smoothness and a long service life.

The utility model provides a kind of gear shift gearbox and excavator, it is related to gearbox technical field.The utility model provides gear shift gearbox, including shell, input shaft, output shaft, driving gear set, driven gear set, synchronizer and gear shift mechanism;Driving gear set is fixedly installed in input shaft, driven gear set is rotatably installed in output shaft, driving gear set includes first gear driving gear and second gear driving gear, driven gear set includes first gear driven gear and second gear driven gear, first gear driving gear and first gear driven gear are engaged, second gear driving gear and second gear driven gear are engaged, synchronizer is installed in output shaft;Gear shift mechanism includes sliding shaft, cylinder body, piston and gear shift fork, sliding shaft is slidably penetrated in shell, piston is arranged in sliding shaft, cylinder body is arranged in shell, gear shift fork is connected sliding shaft and synchronizer.The utility model provides a kind of gear shift gearbox and excavator, gear shift is more smooth.

This invention discloses a shift fork control method for a dual-clutch transmission with a shift fork mechanism but without a shift fork position sensor. First, a two-dimensional reference coordinate system is established, with the motion trajectory of the shift motor set as the x-axis and the motion trajectory of the shift motor set as the y-axis. Then, based on the hardware linkage position of the shift fork, the grooved motion trajectory of the long shift head of the shift mechanism is planned. Subsequently, based on the operating signals of the shift and shift motors, combined with the contact relationship between the shift head and the shift fork, the actual position of the shift fork without a position sensor is simulated and calculated. Finally, based on the coordinate system, the grooved trajectory, and the simulated position, the shift fork engagement action is achieved through the long shift head. This method has a simple framework, clear logic, and strong applicability. It achieves precise and reliable shift fork control without additional hardware costs, significantly improving the robustness and safety of dual-clutch transmission operation, and can be quickly implemented in automotive power transmission technology research and development projects.

The utility model discloses a hydraulic tapping machine based on variable feeding technology belongs to pipeline tapping technical field, a hydraulic tapping machine based on variable feeding technology, include: outer sleeve and main shaft, one end of outer sleeve is installed with lower box, the lower box inside is installed with the lower -positioned drive mechanism for driving main shaft rotation tapping, the end portion away from outer sleeve of lower box is installed with front body subassembly, this hydraulic tapping machine based on variable feeding technology, screw rod feed motor and main motor are connected with hydraulic station respectively, and the information feedback of screw rod motor encoder and main motor encoder collection motor revolution is given to hydraulic station, and the oil supply flow and pressure of two motors are adjusted through information processing to realize the variable feeding function of tapping machine, thereby making main shaft can have two kinds of feeding mode, one is continuous feeding, and the other is variable feeding, and the different feeding mode of different pipeline can be used conveniently.

This invention relates to a hydraulic system for an automatic transmission, belonging to the field of automatic transmission technology. It includes an oil pump, a TC valve, a torque converter, a clutch, a manual shift valve, a first shift fork drive valve, a second shift fork drive valve, a third shift fork drive valve, a first directional valve, and a second directional valve. The manual directional valve forcibly cuts off the clutch oil supply when in mechanical neutral (N) gear. By setting a multi-stage relief valve at the front end of the TC valve, the unlocking and locking pressures of the torque converter can be limited. A first-stage relief valve is connected to the rear end of the clutch solenoid valve, prioritizing the oil supply to the shifting and clutch circuits during clutch switching, thus shortening the shifting response time. A cooling bypass valve is designed at the front end of the cooler, allowing oil to overflow directly to the lubrication end when the pressure at the front end of the cooler is high. The oil pressure feedback from the cooling lubrication end is sent to a throttle valve; when there is excessive oil at the rear end, the oil pump's outlet is directly adjusted from the front end through the throttle valve, improving system efficiency.

The utility model discloses a hydraulic and pneumatic gear shifting mechanism of a transfer case, which comprises a shell of the transfer case and a shifting fork shaft which is positioned in an inner cavity of the shell and is used for gear shifting, the cylinder sleeve is arranged in an inner cavity of the shell close to the periphery of the tail end of the shifting fork shaft; the piston is positioned in the cylinder sleeve and is fixed on the periphery of the shifting fork shaft; the reset spring is arranged in an inner cavity of the cylinder sleeve behind the piston and is used for applying forward pressure to the piston; the hydraulic air pressure cavity is formed in an inner cavity of the cylinder sleeve in front of the piston; and the hydraulic air flow channel is communicated with the hydraulic air pressure cavity and a hydraulic air supply device outside the shell. The gear shifting device has the advantages that the shifting fork shaft can slide back and forth to execute gear shifting operation without additionally arranging a propelling mechanism outside the shell of the transfer case, and for large mechanical equipment with a plurality of transfer cases, a large amount of installation space can be saved, and a large amount of manufacturing cost can also be saved.

The application discloses a gear box and a gear shifting method, and belongs to the technical field of gear boxes. The gear box has an idle gear and a plurality of power output gears. The gear box comprises a first gear shifting dial for switching the gear box to the idle gear or at least one power output gear; a second gear shifting dial for switching the gear box to the idle gear or at least one power output gear; a first driving member connected to the first gear shifting dial and the second gear shifting dial to drive the first gear shifting dial or the second gear shifting dial to shift gears; and a locking assembly arranged on one side of the first gear shifting dial and the second gear shifting dial to lock the other one when one of the first gear shifting dial and the second gear shifting dial shifts gears. The first driving member is connected to the first gear shifting dial and the second gear shifting dial at the same time, and the locking assembly is used to fix any first gear shifting dial and second gear shifting dial to realize one-side driving, so that the driving structure in the gear box is simplified, the number of driving devices arranged is reduced, and the space occupied by the driving devices in the gear box is reduced.