231 results about "Power take-off" patented technology

The present disclosure relates to a powertrain for a work machine (50). The powertrain (100) comprises a first prime mover (10), a second prime mover (12), a set of first gears (14a, 14b), a set of second gears (16a, 16b), an engaging unit (24), and an actuator (26). The first prime mover (10) configured to engage a first shaft (18). The second prime mover (12) configured to engage a power take off (PTO) shaft (20). The first gears (14a, 14a) mounted on the first shaft (18) and the second gears (16a, 16b) mounted on the PTO shaft (20). The actuator (26) configured to be in communication with the engaging unit (24), and further configured to selectively displace the engaging unit (24) from the idling configuration to the engaging configuration to engage with one of the second gears (16a, 16b). Advantageously, the engaging unit (24) facilitates the coupling of the second prime mover (12) with the first prime mover (10); therefore the powertrain (100) provides the desired torque to meet the requirements.

The present disclosure relates a power transmission system (100) for a work machine (50). The work machine is defined by drive wheels (14) for driving the work machine and a power take off (PTO) shaft (18) for driving a plurality of implements attached to the work machine. The system (100) comprises a first prime mover (10), a second prime mover (16), a first gear (20), a second gear (22), an engaging unit (24) and a switch. The engaging unit (24) is configured to be operatively mounted on the PTO shaft (18). The engaging unit (24) is configured to be displaced on the PTO shaft (18) from an idling configuration to an engaging configuration based on the satisfaction of a predetermined set of conditions. The system provides the compact assembly without any additional requirement of any external transmission assembly. Also, it makes the coupling response quick and provides smooth and noise free shifting and coupling of gears.

An agricultural vehicle includes a driveline, an interface, and a control system. The driveline includes an engine, a transmission, and a power take off (PTO). The interface is configured to removably couple an implement with the agricultural vehicle. The implement configured to perform an agricultural function. The control system includes processing circuitry configured to obtain an indication of a type of the implement that is removably coupled with the agricultural vehicle. The processing circuitry is also configured to determine a profile for at least the transmission based on the type of the implement that is removably coupled with the agricultural vehicle. The profile defines an operating parameter for at least the transmission such that the transmission operates in a specific manner for the type of the implement. The processing circuitry is also configured to operate at least the transmission according to the operating parameter of the profile.

The present invention relates to the technical field of tractors. Disclosed are a hybrid system and a tractor. The hybrid system comprises an engine, a generator, a battery, a driving motor, a power output device, a rear axle, a brake, a first gear shifting device and a power transmission module, wherein the power transmission module comprises a planet gear assembly, a first transmission assembly, a second transmission assembly and a third transmission assembly. An output shaft of the engine is connected to the power output device, the driving motor is in transmission connection with a sun gear, the sun gear is in transmission connection with a planet gear, the planet gear is in transmission connection with a ring gear, and a planet carrier is connected to the planet gear. The engine is connected to the generator, the brake is arranged on the ring gear, and the generator is in transmission connection with the ring gear by means of the first gear shifting device. The planet carrier is connected to the rear axle, the generator is connected to the battery, and the battery is connected to the driving motor. The hybrid system disclosed by the present invention is a simplified system, and saves on costs.

Disclosed is a drive arrangement for a tractor. In one example, the drive arrangement includes a first powertrain, a power take-off for driving a coupled attachment unit, and / or including a pump power take off for driving at least one hydraulic pump. A second powertrain has a vehicle transmission with at least one transmission output for driving at least one vehicle axle. A first electric machine can be coupled in terms of drive to the first powertrain. A second electric machine can be coupled in terms of drive to the second powertrain.

The invention provides a torque transmission device and an aircraft. The torque transmission device comprises a base; the straight shaft penetrates through the base and can rotate around the axis of the straight shaft in the base; one end of the flexible shaft is fixedly connected with one end of the straight shaft, and the other end of the flexible shaft can be in transmission connection with an output shaft of a power output device; the driving gear is coaxially and fixedly connected with the straight shaft; wherein the output torque of the power output device can be transmitted to the straight shaft through the flexible shaft and then transmitted to the driving gear, and the driving gear is used for providing power for a device to be driven. The invention provides a torque transmission device which is suitable for more application scenes.

A discharge system for bulk tank trailers unloads dry bulk material from a bulk product trailer that is configured to be pulled by a vehicle. The discharge system includes a centrifugal compressor, a drive mechanism and a speed increaser. The centrifugal compressor is configured to deliver compressed air to force the dry bulk material from the bulk product trailer and convey the dry bulk material to a storage tank. The drive mechanism furnished rotational motion to the centrifugal compressor (e.g., via a power take-off of the vehicle). The speed increaser is disposed between the centrifugal compressor and the drive mechanism and is configured to increase the speed of the rotational motion furnished by the drive mechanism to the speed compressor. The drive mechanism may include a hydraulic system configured to drive a liquid product pump for pumping liquid product from a liquid product storage tank trailer pulled by the vehicle.

A rotary spray ring aromatherapy humidifier comprising a water tank is provided. An atomizing module and two power take-offs (PTOs) are fixedly arranged below the water tank; a driving gear and a fan blade are installed on the two PTOs, respectively; the driving gear and the fan blade are located inside the water tank; an intermediate frame is covered above the water tank; air vents, ring-spraying holes, and at least one through-hole are arranged on the intermediate frame; a limiting component is constructed below ring-spraying holes; and a rotatable transmission gear is arranged outside the limiting component; a gear tray is arranged below the intermediate frame; and a gear escape hole through which the transmission gear passes is formed in the gear tray. The present disclosure has the following beneficial effects: The product is designed with decorative parts that are arranged in a rotary manner.

Electric drive system comprising: a first electrical machine; a second electrical machine; a transmission, the transmission being mechanically coupled to one or more rotatable wheels and the first electric machine; a separating clutch configured to selectively couple the second electric machine to the transmission; a power take-off arranged to supply a device with mechanical rotational energy; a power take-off disconnect clutch configured to selectively couple the second electric machine to the power take-off; and one or more controllers, wherein the one or more controllers include executable, non-transitory instructions that cause the one or more controllers to actuate the power take-off disconnect clutch and the disconnect clutch.

The invention relates to a driving system for a hybrid tractor, which comprises an engine, a generator, a front motor and a rear motor, and the engine is in transmission connection with a PTO (Power Take Off); the front axle input shaft is in transmission connection with the front motor and the normally-combined clutch input shaft, a normally-combined clutch is arranged on the normally-combined clutch input shaft, a parking brake is arranged on the normally-combined clutch input shaft, and the parking brake is connected with the rear axle. An input shaft of the normally-combined clutch is in transmission connection with a small cone shaft, a mode switching clutch is arranged on the small cone shaft, the small cone shaft is in transmission connection with the input shaft of the normally-combined clutch and a rear motor, and one end of a sun wheel shaft is connected with a rear wheel through a planetary gear mechanism. And a service brake is arranged on the sun wheel shaft. The normally-combined clutch input shaft, the normally-combined clutch and the transmission mechanism are arranged between the front axle and the rear axle, so that the four-wheel braking function is achieved.

The utility model discloses a novel power output device which comprises an input shaft, an output shaft and an eccentric shaft. One end of the input shaft is fixedly connected with a rotating unit, the other side of the rotating unit is connected with an eccentric shaft, the eccentric shaft is sleeved with a torsion transmission plate, one side of the outer ring of the torsion transmission plate is connected with a transmission plate through a force transmission unit, and the center of the transmission plate is coaxially connected with an output shaft. The input shaft and the output shaft are coaxially arranged, and the eccentric shaft, the input shaft and the output shaft are eccentrically arranged. The eccentric shaft is driven to rotate through double-input driving of the input shaft and the motor, the technical effect that a low-power power device drives high-power equipment is achieved, and the design is ingenious and novel; meanwhile, the technical effect of damping and buffering is achieved through the torsion spring between the torque output plate and the torsion transmission plate, and practicability is high.

The invention relates to the technical field of automatic control of rack rail trains, in particular to an automatic conversion method and device for gear entering and exiting of a rack rail train. The method comprises the following steps: when a rack rail train runs to a tooth entering or tooth exiting road section, a ground magnetic induction device sends information of pre-conversion, conversion starting or conversion completion to a vehicle-mounted induction receiver; the vehicle-mounted induction receiver receives and transmits the signals to the conversion control device; the conversion control device sequentially controls power output of steel wheel motors and gear motors of all the vehicles according to the information. The device comprises a ground magnetic induction device, a vehicle-mounted induction receiver and a conversion control device, the ground magnetic induction device is used for sending information to the vehicle-mounted induction receiver when the train runs to the position above the placement position; the vehicle-mounted induction receiver receives the information and transmits the information to the conversion control device; and the conversion control device executes and sends an automatic conversion instruction of the inlet and outlet teeth. Automatic control over the gear entering and exiting switching operation speed of the rack rail train and precise switching of power can be achieved, and smooth gear-gear transition of the rack rail train is achieved.

The invention discloses a snow throwing vehicle, which relates to the technical field of snow throwing vehicles and comprises a vehicle frame, a cab is arranged at the front part of the vehicle frame, a carriage is arranged at the rear part of the vehicle frame, snow cutting wheels are arranged in front of the cab, and a transmission case is arranged between the two snow cutting wheels; a snow throwing bin is rotationally connected to the rear portion of the push shovel and located in the middle, a snow throwing barrel is arranged on one side of the top of the snow throwing bin, a snow throwing wheel is arranged in the snow throwing bin, and a snow throwing wheel rotating shaft is arranged in the middle of the snow throwing wheel. The frame is provided with a rotation driving device used for driving the snow throwing bin to rotate left and right. A transmission shaft connected with a power output device is arranged in the frame; the transmission shaft is fixedly connected with a snow throwing wheel rotating shaft and a transmission box in sequence through a universal joint connecting rod; and the lifting device is arranged between the cab and the frame and is used for lifting the cab. The snow removing device can eliminate the view blind area during snow removing operation, ensures safety and high efficiency of snow removing operation, and meanwhile, is more flexible and efficient in snow throwing.

The invention discloses an improved power output device, which relates to the technical field of mechanical transmission and comprises a shell, a rotating unit and a damping unit, a partition plate in the shell is divided into a first working cavity and a second working cavity, an input shaft and an output shaft which are coaxial are rotatably arranged on the two sides, and an eccentric shaft is rotatably arranged on the partition plate. The rotating unit is arranged in the second working cavity; the multi-stage transmission assembly is connected with the motor and the eccentric shaft; the damping unit is arranged in the first working cavity, the torsion transmission plate is clamped between the two damping plates, and the damping plates and the torsion transmission plate are connected through the springs. The torsion transmission plate is connected with a transmission plate through a transmission shaft, the transmission plate is connected with an output shaft and an input shaft through a one-way clutch, and the output shaft is provided with a belt pulley; multi-spring circumferential array damping is achieved, high-frequency large loads are adapted, and the service life of parts is prolonged; the ratio is adjustable through multi-stage transmission, power supply is stable through a built-in wire, and the multi-power requirement is met; the modular cavity and the top cover are designed, so that the maintenance is convenient; the one-way clutch and the belt pulley expand the scene, and the transmission stability and practicability are remarkably improved.

A system for unloading of a mobile farm implement is provided. The system includes a mobile farm implement including a container and an auger with an auger spout. The system includes a door controller configured to at least one of open and close a door of the container of the mobile farm implement so as to thereby operate said door. The system includes a power takeoff sensor configured to measure a rotational speed of a power takeoff. The system includes a control device including a processor and a memory coupled to the processor. The control device is connected to the power takeoff sensor and to the door controller. The control device is configured to make a determination as to whether the measured rotational speed of the power takeoff is above a first power takeoff rotational speed threshold, and to operate said door based on said determination.

The invention provides a mechanical boomerang launching device and a using method thereof, and belongs to the technical field of boomerang launching. The launching device comprises a base, a rotating device, a dart body adapting device, a power output device and an angle adjusting device. A sliding rail, a descending groove and a buckle are arranged on the upper surface of the base, a plurality of grooves are formed in the lower surface of the base at intervals, and the grooves are matched with an angle adjusting device to achieve angle adjustment of the base. The rotating device is used for generating an angular velocity before the boomerang is launched; the dart body adapting device is used for installing and limiting the boomerang; the power output device is used for providing linear speed; the angle adjusting device is used for adjusting the launching elevation angle, and accurate setting of the launching elevation angle is achieved. Through mechanical angular velocity, linear velocity and launching angle control, the rotation success rate, launching stability and safety of the boomerang can be remarkably improved, and the boomerang is suitable for test and competitive occasions.

The hydraulic excavator includes: a power take-off (PTO); an engine connected to the PTO; a swing hydraulic pump connected to the PTO and driven by the engine; a swing hydraulic motor driven by hydraulic oil discharged from the swing hydraulic pump; a first main oil passage connecting the first outlet of the swing hydraulic pump to the first inlet of the swing hydraulic motor; a second main oil passage connecting the second outlet of the swing hydraulic pump to the second inlet of the swing hydraulic motor; a neutral holding valve disposed in the first and second main oil passages for controlling the flow of hydraulic oil; a regenerative energy absorption device connected to the PTO and absorbing regenerative energy generated by the hydraulic oil supplied from the swing hydraulic motor to the swing hydraulic pump via the outlet throttling opening of the neutral holding valve; and a valve control unit that controls the area of ​​the outlet throttling opening based on the state of the regenerative energy absorption device.

A stand mixer includes a housing, a motor disposed in the housing. A power take off extends from the housing, and a power take off attachment is mechanically coupled to the power take off. A controller is disposed in the housing. The controller is configured to perform a food processing operation that includes operating the motor of the stand mixer at a first speed, measuring a torque value of the motor of the stand mixer, and comparing the measured torque value of the motor to a predetermined torque threshold value. The food processing operation also includes the motor of the stand mixer at a second speed in response to the comparison of the measured torque value to the predetermined torque threshold value. The second speed of the motor is less than the first speed of the motor.

The utility model relates to a double-speed transmission. The transmission includes: a transmission housing; an input shaft; an intermediate shaft; an output shaft; the power output device is fixed on the transmission shell through a bolt and is coupled with the input shaft through a gear; and two gear ratios, the two gear ratios coupling the input shaft with the output shaft. The transmission may cause a single motor to push the vehicle and drive an external load when not pushing the vehicle.

The main object of the present invention is to provide a power output device, a control method, a joint actuator and an execution component. Specifically, the power output device includes a plurality of output members arranged coaxially, as well as a driving component, a feedback component and a control component that are配套 with the output members. Specifically, the first output member has a first encoder, which detects the rotation state of the first output member and outputs it to the control component to establish a closed-loop feedback link. The second output member sleeved on the first output member establishes a shift-axis closed-loop feedback link by adding a rotating member传动连接 with it and setting a second encoder on the rotating member to detect the rotation state of the second output member and output it to the control component. The control component adjusts the operation of the driving component in real time according to the detection information of the encoder and the signal of the upper computer, and then adjusts the rotation of one or more output members to实现 the closed-loop control of the entire power output device.

Methods and systems for a powertrain system. The powertrain system includes a first traction motor and a reduction planetary gear set rotationally coupled to the first traction motor. The powertrain system further includes a power take-off (PTO) that is configured to attach to an implement, and an input shaft rotationally coupled to the first traction motor and a transmission, where the reduction planetary gear set has a grounded component.

A method is disclosed for changing an activation state of a power take-off (PTO) in a vehicle, where the activation state corresponds to either an activated state, where the PTO transfers a torque between the vehicle's power source for propelling the vehicle and an auxiliary load, or a deactivated state, where no torque is transferred by the PTO between the power source and the auxiliary load. The activation state of the PTO is changed by engaging or disengaging a clutch of the PTO. The method comprising, when the power source is connected to drive wheels of the vehicle, and the activation state of the PTO is to be changed, controlling the clutch to control a rate of change of torque transferred between the power source and the auxiliary load during the change of the activation state of the PTO based on at least one current operating condition of the vehicle.

A power take-off includes a housing that is adapted to be supported on a source of rotational energy, an input mechanism that is supported within the housing and adapted to be rotatably driven by the source of rotational energy, and an output mechanism that is supported within the housing and rotatably driven by the input mechanism. At least one of the input mechanism and the output mechanism includes a pair of mating gears. An eddy current damper is supported within the housing and configured to exert a drag torque on either or both of the mating gears during operation of the power take-off. The eddy current damper may provide a variable amount of such drag torque, a constant amount of such drag torque, or a combination of both.

The utility model discloses a device for rounding dough by simulating human hands, which comprises at least one rounding mechanism, the rounding mechanism comprises a plurality of inner arc-shaped cup rims, and the plurality of inner arc-shaped cup rims are all fixed on a connecting rod assembly extending left and right. The connecting rod assembly is connected with a height adjusting knob used for driving the connecting rod assembly to move up and down and a tightness adjusting knob used for adjusting the tightness, the left end and the right end of the rounding mechanism are connected with crankshaft mechanisms arranged in the up-down direction, and the lower end of each crankshaft mechanism is connected with a long shaft extending up and down; the transmission mechanism is connected with the long shaft, the power output device is connected with the transmission mechanism, and the lifting device is used for driving the rounding mechanism to move up and down. The dough rounding machine can improve dough rounding efficiency and finished product quality and reduce labor intensity.

A vehicle includes a chassis and an axle assembly coupled to the chassis. The axle assembly includes: a drive shaft, a tractive element coupled to the drive shaft, a power take off, an electric motor configured to drive the drive shaft and the power take off; and a housing coupled to the chassis and at least partially containing the electric motor, the drive shaft, and the power take off.

A method of shutting down operations of a hydrovac when a weight limit is reached is provided. A current weight of the hydrovac is determined and this current weight of the hydrovac is compared to a weight limit. When the current weight of the hydrovac reaches the weight limit, an emergency shutoff valve is opened to vent a debris tank to atmosphere, a boom isolation assembly is closed to isolate a vacuum hose from the debris tank, and a power take-off is disengaged to stop a blower creating a vacuum in the debris tank.

A method for a turbomachine having a high-pressure shaft driving a high-pressure electric machine and from which a high-pressure power taken off and a low-pressure shaft driving a low-pressure electric machine and from which a low-pressure power is taken off, the generation mode corresponding to a predetermined sharing of power between the high-pressure power and the low-pressure power and the assistance mode corresponding to a request for injection of an additional power into the high-pressure shaft or the low-pressure shaft, a method in which, to reach the requested additional power, when the high- or low-pressure power takeoff is interrupted and the high- or low-pressure electric machine respectively driving the high- or low-pressure shaft whose takeoff is interrupted enters motor mode.

The embodiments of the present application relate to the technical field of power transmission. Disclosed are a powertrain and a tractor. The powertrain can be applied to new energy architectures. The powertrain comprises a first electric motor, a second electric motor, and a gearbox, which comprises a first driveshaft, a second driveshaft, a rear axle driveshaft, a first power transmission structure, a second power transmission structure, a first driving gear, a first driven gear, at least one second driving gear and at least one second driven gear, wherein the rear axle driveshaft is configured to connect to a rear axle; one end of the first driveshaft is configured to connect to a power take-off, and the other end of the first driveshaft is connected to the first electric motor; the first driveshaft is connected to the first driving gear; the second driveshaft is connected to the second electric motor; the second driveshaft is connected to each second driving gear; the first driving gear meshes with the first driven gear; and each second driving gear meshes with one second driven gear.

Adjustment drive includes an electric motor, a transmission, at least one engaging element, and a resilient element. The transmission has a self-locking transmission stage, a power takeoff, and a safety coupling that separates the self-locking transmission stage from an external torque in response to an excessive external torque introduced via the power takeoff. The safety coupling has a motor-side gearwheel with at least one coupling contour and at least one engaging contour, a power takeoff-side gearwheel, a free-running mechanism formed by the at least one coupling contour, and coupling elements operable to establish a positive-locking connection between the motor-side gearwheel and the power takeoff-side gearwheel. The at least one engaging element is rotationally secured to the motor-side gearwheel or the power takeoff-side gearwheel. The at least one resilient element pretensions the at least one engaging element against the at least one engaging contour to enable haptics of an external movement request introduced via the power takeoff.

The utility model relates to the technical field of engines, in particular to a non-contact electric control same-magnetic-pole reverse thrust power device which comprises a support, a crankshaft is rotatably arranged at the bottom of the support, an electromagnetic thrust device is arranged at the top of the support, a cylinder body is fixedly arranged in the middle of the support, a plurality of cylinder holes are formed in the cylinder body, and the cylinder holes are communicated with the crankshaft. Cylinder holes are formed in the support, pistons are arranged in the cylinder holes in a sliding mode, the bottoms of the pistons are rotationally connected with the tops of connecting rods, the bottoms of the connecting rods are rotationally connected with a crankshaft through bearings, a power output device fixedly connected with the crankshaft is arranged on the outer side of the support, and the electromagnetic pushing device is used for driving the multiple pistons to reciprocate in the cylinder holes at intervals. The power supply is used as power, diesel oil and gasoline are not used as fuel, energy conservation and carbon reduction are facilitated, and environmental protection is achieved. According to the utility model, the generated noise is less than 50 decibels, and the noise is relatively low.