32results about How to "Stable transmission torque" patented technology

A dual automatic mechanically actuated wet clutch device, for operation within a fluid tight housing, for a dual input shaft transmission that includes tightly specified average spacing between friction plate surfaces where the average spacing is selected from between about 0.05 mm to about 0.25 mm in an open position. The clutch has at least first and second independently actuatable clutch portions, and at least one clutch pack in the first or second clutch portion; and mechanical apparatus provided to move friction plates in at least one of the clutch portions toward each other so that they engage. The invention also includes apparatus and methods for adjusting and maintaining the spacing between the friction plate surfaces.

In an electric linear motion actuator for transmitting torque of a rotary shaft (4) to planetary rollers (7) and thus to a linearly driven output member constituted by an outer race member (5), axial movement of a carrier (6) supporting the planetary rollers (7) is restricted, and the outer race member (5) is axially slidably fitted in a radially inner surface of a cylindrical portion (1a) of a housing (1) and is rotationally fixedly coupled to an object to be driven via keys (25) The planetary rollers (7) have their radially inner surfaces rotatably supported on respective support pins (6c) of the carrier (6), and are radially inwardly biased by radial compression ring springs (21) wound around the support pins (6c) so as to envelop the support pins. The planetary rollers (7) are thus pressed against the radially outer surface of the rotary shaft (4).

The invention relates to a clutch combined with self-adaption control method based on a statistics principle. The clutch combined with self-adaption control method comprises the steps that at each clutch combination stage, the difference between the rotation velocity of an engine and the rotation velocity of the input shaft of a gearbox is divided to be five rotation velocity difference ranges; the time from a clutch be in contact firstly to the rotation velocity of the input shaft of the gearbox being synchronous with the rotation velocity of the engine is recorded; the percentage of the timeof the difference between the rotation velocity of the engine and the rotation velocity of the input shaft of the gearbox in each rotation velocity difference range accounting for the time from the clutch being in contact firstly to the rotation velocity of the input shaft of the gearbox being synchronous with the rotation velocity of the engine is counted; and the compensation factor of clutch combined control in the next clutch combination stage is obtained. The compensation factor of the next clutch combined control is obtained through the difference between the rotation velocity of the engine and the rotation velocity of the gearbox in each clutch combination stage, the change of clutch transmission torque feature is automatically adapted, stable and smooth clutch transmission torqueis ensured, so that the torque of the engine is matched with the clutch transmission torque, and the riding comfort of vehicle starting and gear shifting is guaranteed.

A rotational transfer mechanism includes a rotary output shaft, a rotary input shaft positioned inside the rotary output shaft; a circumferentially-uneven-width-space forming portion having a cam surface, to form an accommodation space between the rotary input shaft and the torque transfer cylindrical surface; and a torque transfer member installed in the accommodation space. The cam surface shape is determined by defining a straight line through the rotational axis and the torque-transfer-member axis, defining an imaginary circle having the same shape as the torque transfer member on the straight line at a point where the imaginary-circle axis and the torque-transfer-member axis are symmetrical with respect to the rotational axis; determining a cam-surface determining circle which circumscribes the imaginary circle and the torque transfer member; and defining a circular arc which forms a part of the cam-surface determining circle as the cam surface.

The invention discloses a decelerating clutch of an intelligent washing machine. The decelerating clutch comprises an upper shell, a lower shell, a connection plate, a torque transmission shaft sleeve and a brake wheel axle. The connection plate is arranged on the brake wheel axle in a sleeving mode. The connection plate is provided with a magnet, a Hall sensor is arranged on the lower end face of the lower shell, the position of the Hall sensor is matched with the position of the magnet, and a gap is reserved between the Hall sensor and the magnet. First splines are arranged on the outer surface of the brake wheel axle, second splines matched with the first splines are arranged on the inner surface of an inner hole of the connection plate, third splines are arranged on the lower end portion of the connection plate, and fourth splines matched with the third splines are arranged on the upper end portion of the torque transmission shaft sleeve. A connection plate spring and a spring gland are arranged at the upper end of the connection plate. The spring gland is located at the upper end of the connection plate spring, and the spring gland abuts against the lower shell. According to the technical scheme, the decelerating clutch of the intelligent washing machine is reasonable in structural design, simple in structure, convenient to assemble, reliable in clutch action, stable in torque transmission and high in safety.

A strain wave gear apparatus includes a rigid internal gear, a flexible external gear, and a wave generator. The wave generator includes an input shaft fixing member including eccentric cams, bearings respectively fixed to outer sides of the eccentric cams, and housings respectively fitted to outer peripheral surfaces of the bearings. The eccentric cams are arranged side by side in a direction of an inclined axis inclined with respect to an input rotation axis at an inclination angle (θ) in a manner that respective center axes of the eccentric cams are parallel to the inclined axis and decentered in directions opposite to each other from the inclined axis. The housings are each formed into a tapered shape so that an outer peripheral surface of each of the housings is held in surface contact with an inner peripheral surface of the flexible external gear.

The present invention relates to a power transmission device for a power tool, more specifically for a core drill, which device is capable of transmitting predetermined torque in a stable manner and for longer period of time under a condition where a clutch slips. The power transmission device for a core drill comprises of: a gear 30 to which rotation from a power source is input; a disk-shaped rotator 41, 50, which is disposed coaxially with the gear 30 and transmits rotation of the gear 30 to the tip tool side; friction members, which are installed between the gear and rotator and kept pressed against the side face or faces of the gear and / or rotator, and said power transmission device transmitting rotation of the gear to the rotator with the use of friction caused between the gear 30 and / or rotator 41, 50 and the friction members, and as friction members, friction members 70 having two or more friction faces 70a which are spaced apart from each other are used.

The invention discloses a final transmission structure, a bulldozer and a turning control method, and relates to the technical field of bulldozers. In the final transmission structure, a steering brake unit comprises a brake, a driving hub, a clutch and a driven hub, wherein the brake is connected with an input shaft through the driving hub, the clutch is connected with a transmission unit througha driven hub, and the brake and the clutch can be selectively unlocked or locked. A first planetary gear ring and a second planetary gear ring form a planetary gear ring of an integrated structure. The bulldozer comprises an engine, a hydraulic torque converter and a gearbox which are connected in sequence. A central transmission structure is connected with the gearbox. A left final transmissionstructure and a right final transmission structure are both connected with the central transmission structure and are both of the final transmission structure. The bulldozer is adopted in the turningcontrol method. The final transmission structure can bear larger torque when rotated leftwards or rightwards, and torque transfer is stable. The turning control method has the large or small radius turning ability, and is high in universality.

The invention discloses a handrail belt driving device of a spiral escalator. The handrail belt driving device comprises a driving main engine, a step driving main shaft, a driving chain connected with the step driving main shaft and the driving main engine, handrail shafts used for driving the handrail belts to move, and a transition chain which drives the handrail shafts and the step driving main shaft to rotate synchronously, wherein the handrail shafts at least comprises an outer side handrail shaft close to the outer side handrail belt, an inner side handrail shaft close to the inner sidehandrail belt, and a connecting shaft which connects the outer side handrail shaft with the inner side handrail shaft, the joint between the outer side handrail shaft and the connecting shaft is of auniversal structure, the joint between the inner side handrail shaft and the connecting shaft is of a universal structure, one side, close to the outer side handrail belt, of the outer side handrailshaft is provided with an outer side handrail belt driving mechanism, and one side, close to the inner side handrail belt, of the inner side handrail shaft is provided with an inner side handrail beltdriving mechanism. The handrail belt driving device can meet the special requirements that the handrail belts can be laterally bent with same angular velocity and different linear speed at two sides.

Currently, movable parts in a coil nail device of a coil nail machine can not be installed in a protecting cover, and the phenomenon that operators are hurt frequently occurs. According to the safe coil nail device of the coil nail machine, non-universal elements such as a duplex slide cylinder support, a bearing support, a speed reduction motor support, the protecting cover, a coupler and a coil nail shaft are manufactured through universal elements such as a duplex slide cylinder, a direct-current speed reduction motor, a constant-current drive circuit of the direct-current speed reduction motor and a bearing, then the safe coil nail device which is simple in structure, stable in running, small in size, capable of producing high-quality coil nails and free of hurting the operators can be assembled, and the safe coil nail device is used for replacing conventional coil nail devices which are widely used at present.

The invention discloses a traction machine with long service life, which comprises a machine base (1), a stator iron core (2), a rotor shaft (3) and a traction wheel (4), the two sides of the rotor shaft (3) are rotationally connected with the machine base (1), the middle of the rotor shaft (3) is connected with the traction wheel (4), a rotor magnet yoke (401) is arranged outside the traction wheel (4), and the rotor magnet yoke (401) and the traction wheel (4) are integrally formed. The traction wheel is arranged in the middle of the rotor shaft, so that the connecting positions of the two ends of the rotor shaft are uniformly stressed, the working stability of the traction wheel is improved, and the required length of the rotor shaft is shortened; and the rotor magnet yoke and the traction wheel are integrally formed, and a connecting piece structure in an original traction machine can be omitted, so that the machining difficulty of equipment is reduced, and the torque transmission stability of the traction machine is improved.

The invention relates to the field of washing machine, aiming at providing a bipyramid gear clutch driving device of a washing machine, which is compact in structure, stable in transmission torque and lower in noise, and a control method of the bipyramid gear clutch driving device. The bipyramid gear clutch driving device of the washing machine comprises a wave wheel shaft, a dehydration shaft, a driving motor, a Hall sensor, a large water seal, an upper shell, a lower shell, an upper gear base, a lower gear base and a sliding fluted disc, wherein the dehydration shaft is in pivot joint with the upper shell and the lower shell respectively; the upper gear base and the sliding fluted disc are sleeved outside the lower end of the dehydration shaft respectively; the upper gear base is fixedly connected with the lower shell; the sliding fluted disc is in sliding connection with the dehydration shaft through a spline; a stator is fixedly connected with the lower shell; the lower end of the wave wheel shaft is fixedly connected with a rotor; the lower gear base is fixedly connected with the rotor; and the bipyramid gear clutch driving device of the washing machine is provided with an actuating mechanism for actuating the sliding fluted disc to be coupled with the upper gear base or the lower gear base. The bipyramid gear clutch driving device of the washing machine is compact in structure, stable in transmission torque and lower in noise.

The invention relates to the technical field of bulldozers and particularly relates to a final transmission structure and a bulldozer. The final transmission structure comprises a brake unit and a transmission system, wherein the transmission system comprises a first-grade speed reducing unit, a second-grade speed reducing unit and a third-grade speed reducing unit; the first-grade speed reducing unit comprises two grades of straight tooth speed reducing structures; the second-grade speed reducing unit comprises a first planet row structure; the third-grade speed reducing unit comprises a second planet row structure; and the brake unit is connected with a transmission end of a motor. The invention further relates to the bulldozer. The bulldozer comprises an engine for providing power output, a shaft coupler and a pump connected with the motor; the shaft coupler is connected with the engine and the pump respectively; and the motor is connected with the final transmission structure. The brake unit, the first-grade speed reducing unit, the second-grade speed reducing unit and the third-grade speed reducing unit are used as a large module and the large module is fixedly connected with a main rack of the bulldozer, so that the bulldozer is convenient to dismount and maintain; and a relatively large transmission ratio can be realized and the transmission torque is stable, and the final transmission structure is economical and practical and is safe and reliable.

The invention discloses a cattle bed rotary cultivator for a cattle farm. The cattle bed rotary cultivator for a cattle farm comprises a driving mechanism, the driving mechanism is provided with a speed reducer in a matching way, the speed reducer is fixedly arranged on a fixed rack, one end of the fixed rack is fixedly connected with a movable long arm frame, a height adjusting assembly is arranged between the fixed rack and the movable long arm frame, a driven mechanism is fixedly arranged on the movable long arm frame, a synchronous transmission mechanism matched with the height adjusting assembly is arranged between the driven mechanism and the speed reducer, and the driven mechanism is fixedly connected with a matched stirring assembly. The height adjusting assembly is arranged to realize height adjustment of the movable long arm frame, such that design standards of cattle beds in different pastures are met.

The invention discloses a robotic fish used for tail fin impetus research. A tail board, an elastic sheet and a tail handle are equivalent to a fishtail, a hull floats on the water surface, and the tail board, the elastic sheet and the tail handle extend underwater through a transmission column. The simple self-waterproof robotic fish is provided, the tail board, the elastic sheet and the tail handle are equivalent to the fishtail, the hull floats on the water surface, the tail board, the elastic sheet and the tail handle extend underwater through the transmission column, the front end of thetail handle is connected with a rectangular prism structure at the lower end of the transmission column through a clamping part, the effects that detachment is convenient and the driving torque is stable are achieved, the rear end of the tail handle is connected with the tail board through the elastic sheet, the elastic sheet is arranged to imitate flexible swings of the fishtail, and the swing frequency and the swing range of the tail handle are adjusted through a steering engine. The requirement for tail fin impetus research is met through the structure, the structure is simple, detachment and installation are convenient, cost is low, and a variable can be changed conveniently.

The invention discloses a decelerating clutch of an intelligent washing machine. The decelerating clutch comprises an upper shell, a lower shell, a connection plate, a torque transmission shaft sleeve and a brake wheel axle. The connection plate is arranged on the brake wheel axle in a sleeving mode. The connection plate is provided with a magnet, a Hall sensor is arranged on the lower end face of the lower shell, the position of the Hall sensor is matched with the position of the magnet, and a gap is reserved between the Hall sensor and the magnet. First splines are arranged on the outer surface of the brake wheel axle, second splines matched with the first splines are arranged on the inner surface of an inner hole of the connection plate, third splines are arranged on the lower end portion of the connection plate, and fourth splines matched with the third splines are arranged on the upper end portion of the torque transmission shaft sleeve. A connection plate spring and a spring gland are arranged at the upper end of the connection plate. The spring gland is located at the upper end of the connection plate spring, and the spring gland abuts against the lower shell. According to the technical scheme, the decelerating clutch of the intelligent washing machine is reasonable in structural design, simple in structure, convenient to assemble, reliable in clutch action, stable in torque transmission and high in safety.

The invention provides a planetary reducer for a DELTA robot. The planetary reducer fixes a crossed roller bearing on a front shell through an output shaft and a first-stage planetary retainer; a second set screw connects the output shaft and the first-stage planetary retainer integrally to fix the crossed roller bearing in the axial direction; as the crossed roller bearing is small in size and large in axial (front and rear directions) bearing force, only one crossed roller bearing is adopted to enable the planetary reducer to obtain larger axial bearing force and smaller axial length; and the first-stage planetary retainer adopts a four-planet structure to improve the transmission precision and the transmission torque of the reducer so as to obtain a larger reduction ratio. Compared withthe existing planetary reducer, the planetary reducer provided by the invention is larger in bearing force and higher in precision, solves the problems that the existing planetary reducer is small inaxial bearing force, large in size, insufficient in precision, smaller in torque and short in service life and has better application in the industry of the DELTA robots.

The invention relates to a clutch combined with self-adaption control method based on a statistics principle. The clutch combined with self-adaption control method comprises the steps that at each clutch combination stage, the difference between the rotation velocity of an engine and the rotation velocity of the input shaft of a gearbox is divided to be five rotation velocity difference ranges; the time from a clutch be in contact firstly to the rotation velocity of the input shaft of the gearbox being synchronous with the rotation velocity of the engine is recorded; the percentage of the timeof the difference between the rotation velocity of the engine and the rotation velocity of the input shaft of the gearbox in each rotation velocity difference range accounting for the time from the clutch being in contact firstly to the rotation velocity of the input shaft of the gearbox being synchronous with the rotation velocity of the engine is counted; and the compensation factor of clutch combined control in the next clutch combination stage is obtained. The compensation factor of the next clutch combined control is obtained through the difference between the rotation velocity of the engine and the rotation velocity of the gearbox in each clutch combination stage, the change of clutch transmission torque feature is automatically adapted, stable and smooth clutch transmission torqueis ensured, so that the torque of the engine is matched with the clutch transmission torque, and the riding comfort of vehicle starting and gear shifting is guaranteed.