37results about How to "Increased drive torque" patented technology

The invention discloses an electric automobile transmission and a speed change method of the electric automobile transmission. The electric automobile transmission comprises a hydraulic torque converter with the locking function, a planet gear mechanism, an oil pump, an oil pump motor, a controller, a speed reducing mechanism and a differential mechanism. The hydraulic torque converter with the locking function comprises a pump impeller, a turbine, an input shaft, an output shaft and other components. A driving motor is connected with the pump impeller through the input shaft, and the turbine is connected with the output shaft. The torque of the output shaft is transmitted to the planet gear mechanism. The planet gear mechanism comprises a sun gear, a planet carrier, a big gear ring, a clutch, a brake and other components. Torque is output from the planet carrier through the planet gear mechanism and drives an automobile to run after passing through the speed reducing mechanism and the differential mechanism. The transmission can have two mechanical transmission gears and one hydraulic torque conversion gear. The oil pump is used for providing pressure for a hydraulic system of the transmission. Due to the electric automobile transmission, the climbing performance and the acceleration performance of the electric automobile can be improved, and the reliability of the automobile can be enhanced.

The invention relates to a waist structure of robot whose pitching and turning motions are integrated, belonging to the robot technique. Wherein, the angle contact ball bearing is inside the end cover, to be fixed via binding ring and end cover axle; the left part of thorax plate and the left part of connecting plate are connected by the end cover axle; the stable wheel of second harmonic reducer is connected to the right part of connecting plate; the movable wheel of second harmonic reducer is connected to the right upright plate of thorax plate; the input axle sleeve of second harmonic reducer is sheathed on the output axle of pitching driving motor; the stable wheel of first harmonic reducer is fixed to the cover plate of abdominal cavity; the movable wheel of first harmonic reducer is connected to the connecting plate; the input axle of first harmonic reducer is sheathed on the output axle of transfer driving motor. The invention uses integrated structure, while the pitching driving motor and the transfer driving motor are serially connected to themselves harmonic reducers coaxially, with large motion range. Said waist structure can meet the pitching and transfer demands in wide range.

In cleaning devices, process cartridges and image forming devices, a cleaning structure with low linear pressure and high surface pressure can be obtained by specifying the material, shape and support structure of the cleaning blade. Press the front end corners of the elastic cleaning blade (38) supported by the so-called sheet holder, that is, the supporting member (37), on the roller-shaped and belt-shaped image carrier (10), and remove the residue remaining on the image carrier after image transfer. body toner. In such a cleaning device (16), the angle (θ) forming the front end corner line portion (36) of the cleaning blade is formed as an obtuse angle, and the front end corner line portion is formed at a surface pressure greater than or equal to 2.0 g/mm2. Press on the image carrier. The so-called surface pressure refers to the value obtained by dividing the total load applied to the cleaning blade by the contact area of ​​the cleaning blade with respect to the member to be cleaned.

The invention relates to a magnetic suspension planetary gear variable-speed motor which comprises a ring gear, a sun gear and a plurality of planet gears arranged between the ring gear and the sun gear. The ring gear, the sun gear and the planet gears are respectively provided at least one magnetic block along the radial direction of circumferential direction of an excircle per se, homopolarities of the magnetic blocks on the ring gear and the planet gears are opposite to generate repulsion so that the ring gear drives the planet gears to rotate, and the homopolarities of the magnetic blocks on the planet gears and the sun gear are opposite to generate repulsion so that the planet gears drive the sun gear to rotate. By transmitting a torque between the magnetic block on the ring gear and the magnetic block on the sun gear through the planet gears with the magnetic blocks, the overall volume of a magnetic suspension transmission mechanism is effectively reduced, meanwhile, an air gap between the ring gear as a drive body and the sun gear as a driven body is reduced, the transmission of the magnetic torque is ensured to be stable, and the variable-speed motor has the advantages of safe use, stable torque transmission and long service life.

The invention relates to a vibration compensation method of a tripod head electric motor, which comprises the first step of utilizing a sensor in the tripod head to detect the present vibration values and the second step of causing the driving interference of the tripod head electric motor to be increased if the vibration values detected exceed the vibration permit values set by a machine. Under the circumstances that a camera for monitoring vibrates on a boarded pan/tilter, the invention utilizes an acceleration sensor, etc. to detect the corresponding vibration values, simultaneously, causes the torque of the tripod head electric motor to increase or the position of the cloud platform electric motor to initialize. For errors of the control and the operation of the tripod head, because prevention can be carried out before the errors happen, even if the vibration happens, the right tripod head control can be carried out.

The invention provides an optical focusing device, including base, sleeve which is coupled with the base, screw thread is connected with lens of the sleeve, and piezoelectric actuator which is fixed in the base for contiguously driving sleeve rotating, the base and the lens are respectively equipped with corresponding locating sliding first guiding part and second guiding part, then the sleeve is driven to rotate for converting and forcing the lens to focus. So the optical focusing device having simple components improves the driving force and overcomes the defects that the component with prior art is complex.

The invention relates to a motor and a washing machine with the same. The motor includes two or more stator sets and at least one rotor set. The rotor is provided with steel magnets respectively corresponding to two or more stator sets. The washing machine includes a casing; and a water cylinder, a roller and the above motor that are disposed in the casing. The water cylinder is a fixed part, andthe roller is a rotating part. The rotor of the motor and the roller are connected through a rotating shaft. The stators of the motor are fixed on the water cylinder. The rotating shaft is provided with at least two bearings, and a portion, which cooperates with the rotating shaft, of the rotor of the motor is located between the two bearings. The technical scheme of the invention can not only improve the driving torque of the motor, thereby increasing the capacity of washing clothes in the washing machine, but also reduce the noise and prolong the service life of the washing machine.

The invention discloses a drive axle double-speed reducer with a planetary structure, and belongs to the technical field of automobile drive axles. The reducer comprises a reducer shell, a fixed meshing sleeve, a driven bevel gear, a sliding meshing sleeve, a planetary gear assembly, a bevel gear shell, a driving bevel gear assembly, a driven cylindrical gear and a driving bevel gear. The reduceradopts a double-speed reducer structure, when a commercial automobile is fully loaded, a large speed ratio is adopted to increase driving torque; when the commercial automobile is in zero-load, a small speed ratio is adopted to increase driving speed; and through the reasonable arrangement of the speed and the torque, the oil consumption is reduced, and the efficiency is improved. A planetary gearset structure is adopted, based on the double-speed reduction principle of a planetary bevel gear structure, the switching between one time reduction ratio and two times reduction ratio can be achieved; the shaft diameter of the driving bevel gear is used for radially positioning a cross shaft and the driven bevel gear; the sliding meshing sleeve adopts double-face end face teeth and is used forswitching between the two speed ratios; and through a driving cylindrical gear and an end face tooth structure, the two functions of transmission and speed change are realized.

The invention discloses a novel jacking system which structurally comprises a supporting seat, sliding rails, transverse guide devices, displacement synchronous supporting seats, jacking oil cylinders, reinforcing steel plates and a horizontal-pushing oil cylinder. By controlling rotating speed of a motor and rotating direction of a shaft, a transmission mechanism can be driven to change moving direction and speed provided by the motor so as to improve forward thrust of a sliding rod to a sliding seat, and moving direction provided by a horizontal-pushing transmission mechanism is changed through a guide mechanism to improve accuracy when an upper transverse moving mechanism and a lower transverse moving mechanism slide on the sliding rails so as to improve quality of engineering construction.

The invention relates to a friction clutch (1) for a motor vehicle powertrain. The friction clutch comprises two clutch components (4, 5), each of which has at least one friction element (2, 3). The friction elements (2, 3) of the different clutch components (4, 5) lie against each other in a frictionally locking manner in a closed position and are axially spaced from each other in an open position. A first clutch component (4) additionally has a first support part (7), which receives at least one first friction element (2), and a second support part (8), which is rotationally fixed to the first support part (7) by means of at least one leaf spring unit (9). A leaf spring (10) of the at least one leaf spring unit (9) is designed and positioned relative to a reference plane aligned perpendicularly to the rotational axis (6) in a set angle in the closed position such that an additional axial force is applied to the friction elements (2, 3) of the different clutch components (4, 5) in a drive rotational direction of the first clutch component (4). The invention additionally relates to a powertrain unit (15) for the hybrid vehicle, comprising the friction clutch (1), to a transmissionunit (30), and to a powertrain (31).

The invention relates to a bicycle pedal device which comprises a left crank and a right crank, connecting rods and pedals, wherein one end of each of the connecting rods is in hinged connection to each of the cranks; and the other end of the connecting rod is directly fixedly connected to each of the pedals. Relevant components used for hinged connection between the connecting rods and the pedalsare cancelled, so the structure is simplified; a large forward swing angle of the connecting rod is obtained; a driving torque obtained on the cranks by the same pedal force is greatly increased; anddriving efficiency is significantly increased.

The invention discloses an agriculture multifunctional platform which comprises a framework. Main wheels are connected with two sides of the framework, a diesel engine, a gearbox, an operation panel and a seat are fixedly connected onto the framework, the gearbox is positioned in the middle of the framework, the operation panel is positioned at the upper end of the gearbox, the seat is positioned at the rear of the operation panel, and transmission gear rings are coaxially fixedly connected with the inner sides of the main wheels; two transmission gears for distributing power are arranged on the left side and the right side of the gearbox, and driving shifting wheels are connected with output ends of the transmission gears; an arc-shaped pulling plate is arranged at the bottom of the framework, a hang rod is hinged to the tail of the framework, and a transposition operating rod is connected onto the hang rod. The agriculture multifunctional platform has the advantages that the agriculture multifunctional platform is simple in structure and convenient to use and has multiple functions, and the universality of the agriculture multifunctional platform can be effectively improved; the agriculture multifunctional platform is creatively provided with eccentric driving shafts, tractive driving force of the agriculture multifunctional platform can be effectively increased, and accordingly diversified farming tools can be simultaneously assembled on the agriculture multifunctional platform.

The invention discloses an end face spline type hub bearing unit, and relates to the field of hub bearings. The end face spline type hub bearing unit comprises an outer ring, an inner ring, a flange plate and an end face spline, an outside roller path is arranged between the shaft neck root of the flange plate and the outer ring of a hub bearing, the outside roller path and an inside roller path arranged between the inner ring and the outer ring form a double roller path, a roll rim is arranged at the side, close to an inner side sealing ring, of the flange plate, and the end face spline is arranged on the side end face and used for being directly connected with a drive shaft. The end face spline type hub bearing unit has the beneficial effects that the end face spline of the hub bearing unit can be connected with the drive shaft, is used as a transmission device for torque transmission to lift a drive torque, and compared with existing inner spline transmission, torque driving is obviously improved; the full vehicle NVH performance is effectively improved, the disassembly and disassembly convenience in the full vehicle production and maintenance process is improved, the weight ofthe hub bearing is reduced, and light weight is realized; and the hub bearing with end face spline teeth can effectively eliminate drive clearances, and eliminate drive abnormal sound.