108 results about "Planetary system" patented technology

A planetary carrier includes a journal bearing for supporting a planetary gear. The journal bearing receives lubricant to produce a lubricant film to support gear loads. A torque frame is attached to the carrier housing to transmit torque and to prevent twisting of the carrier housing. The torque frame includes several lubricant communication passages to provide lubricant to each of the separate journal bearings. Each of the lubricant communication passages includes an accumulator for storing lubricant during normal operation. The accumulator stores a desired amount of lubricant to provide lubricant to the adjacent journal bearing for the interim period between primary system stoppage and reestablishment of lubricant flow by a secondary system.

The invention relates to the technical field of mechanical power transmission, in particular to a driving device used for a hybrid car. The driving device comprises a motor input end, a first motor, a second motor, a single-row planetary system and a double-row Ravigneaux planetary system. The motor input end is connected with a first inner gear of the single-row planetary system, a rotor of the first motor is connected with a sun gear of the single-row planetary system, and a planetary frame of the single-row planetary system transmits power to a big sun gear and a small sun gear of the Ravigneaux planetary system. A rotor of the second motor is connected with a public planetary frame of the Ravigneaux planetary system, and power is transmitted by a second inner gear of the Ravigneaux planetary system. The motor achieves gear reversing. The driving device improves motor working efficiency of the motor, achieves serial connection, parallel connection, mixed connection, recovering of brake energy and the like, achieves the aim of reducing discharge and prolongs actual service life of a pure electric vehicle through a serial connection mode.

A gear reduction unit is provided with a unique combination of right angle gears with means for distinct connection of pinions or gears with an independent shaft. The gear reduction unit has many variations with different types of right angle gears, according with the desired numbers of ratios and torque and size requirements. The gear reduction unit is more efficient, quite and more compact than conventional parallel shaft or planetary systems which have been typically used in power regulating transmissions. The gear reduction unit of the present invention is easily manufactured.

A gear reduction unit is provided with a unique combination of right angle gears with means for distinct connection of pinions with independent shaft. The gear reduction unit has many variations with different types of right angle gears, according with the desired numbers of ratios and torque and size requirements. The gear reduction unit is more efficient, quite and more compact than conventional parallel shaft or planetary systems which have been typically used in power regulating transmissions. The gear reduction unit of the present invention is easily manufactured.

The invention discloses a planetary system output mechanical double-overrunning-clutch self-adaptive automatic speed change spindle assembly. A planetary gear system is adopted for outputting power. Aspeed change system comprises a low-speed gear transmission mechanism, a reverse gear transmission mechanism and a self-adaptive speed change assembly. The reverse gear mechanism has a transmission ratio I for transmitting reverse gear power from an auxiliary shaft to a spindle, the low-speed gear transmission mechanism has a transmission ratio II for transmitting low-speed gear power from the auxiliary shaft to the spindle, and the transmission ratio I is larger than or equal to the transmission ratio II. Two overrunning clutches reasonably cooperate, the overall structure is simple and compact, reverse gear transmission, low-speed gear transmission and high-speed gear transmission share a transmission route and do not interfere in one another, the overall performance is guaranteed, highadaptability is achieved, cooperation with a self-adaptive automatic speed change mechanism is smooth and natural, planetary deceleration output is adopted, the output torque can be improved, a high-speed motor can be adopted as a power source, the overall efficiency is improved, and the spindle assembly is suitable for the field of electric vehicles and other torque-variable mechanical transmission fields.

A geared power train (100) for use in a wind turbine application to maximize a step-up ratio within a radial space that is defined by the planetary gearing system ring gear size. The geared power train (100) is configured as a split-compound planetary gearing system with a closed-carrier flex-pin planetary system in a high-torque stage (Stage 1) for receiving driving torque via an input shaft (IN) from a wind turbine, and an open-carrier flex-pin planetary system in a low-torque stage (Stage 2) coupled to the high-torque stage (Stage 1) for delivering the driving torque to an electrical generator via an output shaft (OUT).

The present invention provides an innovative apparatus, system and method for onboard spacecraft location determination and navigation by employing the observation of extrasolar planetary star system motion. In one apparatus embodiment a gas absorption cell is placed between a sensor and the light from a reference star system with at least one exoplanet, such that the sensor can detect the spectrum through the gas absorption cell. Radial velocities can be calculated via Doppler Spectroscopy techniques and incorporated into a spacecraft navigation solution. The present invention can enable and enhance significant mission capabilities for future manned and unmanned space vehicles and missions.

The invention discloses a mechanical type dual-overrun clutch self-adaptive automatic transmission axle with a planetary system for output. The mechanical type dual-overrun clutch self-adaptive automatic transmission axle with the planetary system for output comprises a drive axle shell body and a planetary gear train, wherein a speed control system is located in the drive axle shell body, and thespeed control system comprises low-speed gear drive mechanism, a reverse gear drive mechanism and a self-adaptive transmission assembly; and the reverse gear drive mechanism has a drive ratio I transmitting reverse gear power from a countershaft to a hollow main shaft, the low-speed gear drive mechanism has a drive ratio II transmitting low-speed gear power from the countershaft to the hollow main shaft, and the drive ratio I is larger than or equal to the drive ratio II. According to the mechanical type dual-overrun clutch self-adaptive automatic transmission axle with the planetary system for output, the overall structure is simple and compact, the reverse gear drive, the low-speed gear drive and the high-speed gear drive use a drive route in common, the adaptive capacity is high, the cooperation is smooth and natural, and the overall efficiency is improved; the whole speed control system is located in the drive axle shell body, the overall structure is compact, and the strength andthe stiffness of the overall axle are improved; and the occupied area is small, planetary deceleration output is adopted, the output torque can be improved, and a high-speed motor can be adopted as apower source.

A planetary gear train type rice seedling transplanter is disclosed. A left and a right gear boxes are driven by a central sprocket in a sprocket case for making them rotate. Two cylindrical planetary gears engaged with the static central cylindrical gear in the said gear box rotate with the gear box to drive the coaxial elliptical gear to rotate, and the said elliptical gear is further engaged with the elliptical planetary gear, so resulting in that the said elliptical gear rotates at non-uniform speed relatively to the gear box. The absolute movement of a transplanting arm pair is the composition of the circumference movement of gear box and the non-uniform movement of elliptical planetary gear. Its advantages are low inertial force, no damage to rice seedlings and reasonable structure.

The invention discloses a mechanical double-override clutch-adaptive automatic-transmission electric drive axle based on planetary system output. The mechanical double-override clutch-adaptive automatic-transmission electric drive axle comprises a drive axle shell and a planetary gear train. A driving motor and a transmission system are located in the axle shell. The transmission system comprisesa low-speed transmission mechanism, a reverse gear transmission mechanism and a self-adaptive transmission component. The reverse gear transmission mechanism has a transmission ratio I for transmitting the reverse gear power from an auxiliary shaft to a hollow main shaft, the low-speed transmission mechanism has a transmission ratio II for transmitting the low-speed gear power from the auxiliary shaft to the hollow main shaft, and the transmission ratio II is greater than the transmission ratio I. The mechanical double-override clutch-adaptive automatic-transmission electric drive axle has theadvantages that the integral structure is simple and compact, the reverse gear transmission and the low-speed and high-speed gear transmission share a transmission line, the adaptive capacity is high, smooth and natural coordination is realized, and the overall efficiency is improved; the whole transmission system and the driving motor are arranged in the axle shell, the overall structure is compact, the strength and stiffness of the overall axle are improved, and the occupied space is small; planetary deceleration output is adopted, and accordingly, the output torque can be increased; the high-speed motor can be used as a power source.

The invention discloses a rotary transplanting device of a pot seedling transplanting machine. Power is output by a sprocket shaft and transferred to a left planetary carrier system transplanting device and a right planetary carrier system transplanting device. A planetary carrier is driven by the sprocket shaft, a non-circular sun gear is fixedly connected with a sprocket box and is stationary in work, and a middle non-circular gear and a planetary non-circular gear are symmetrically arranged at both sides of the non-circular sun gear. The extending end of a planetary axle is upwards articulated with an inner half transplanting nozzle and an outer half transplanting nozzle which are respectively provided with a groove and a pin for realizing the centering opening of the transplanting nozzles. The transplanting nozzles are opened by the relative rotation of a roller on the inner half transplanting nozzle and an end surface cam fixed on the planetary carrier and closed by springs mounted on the inner half transplanting nozzle and the outer half transplanting nozzle. By a non-circular gear planetary system, the uniform rotation of the sprocket shaft is turned into the swinging absolute motion of the planetary axle to form an orbit and a stance which are needed by the transplanting nozzles on the planetary axle and satisfy the agricultural requirement of pot seedling transplantation.

A planet system workpiece support for a vacuum treatment apparatus includes a sun system rotatable in the vacuum treatment apparatus about a sun system axle to be coupled to a drive. At least one planet system is rotatable on planet axle and is supported on the sun system. The planet system has a driving coupling for driving the planet system and the support has at least one moon system supported on the planet system and rotatable about a moon axle with a driving connection to the sun system. At least one workpiece is received on the moon system and the driving connection is established, at least during operation, uninterruptedly between sun system and moon system.

The invention discloses a double-drive planetary transmission driving system of a shield machine. The system follows a driving law of double-input, the conflux output of input planet carriers, the diversion of an output planetary system I and an output planetary system II and the conflux to a twin ring gear, has the double-input and single-output characteristics, achieves the purpose of increasing torque and widening speed adjustable range, realizes the low speed high torque output by changing an output torque and a rotating speed, changes the driving means of a motor, can obtain many different output working conditions and can be suitable for many types of shield machines. The asynchronous problem existing in a structure of multipath speed changes and a plurality of power input utilized by a traditional driving system is fundamentally solved. A sealed planet wheel train load is commonly shared by two output planetary systems and twin gear rings and the function of power diversion and conflux is realized, thereby the bearing capacity is increased. The system has larger transmission ratio, can adapt to the high powerful output and can bear heavier construction load.

The invention discloses a dual-overrunning clutch self-adaptive automatic speed changing electric driving system output by a planetary system. A planetary gear train is adopted to output power, a speed changing system includes a low-speed gear transmission mechanism, a gear reversing transmission mechanism and a self-adaptive speed changing assembly, wherein the gear reversing mechanism has a transmission ratio I transferring gear reversing power from an auxiliary shaft to a main shaft, the low-speed gear transmission mechanism has a transmission ratio II transferring low-speed gear power fromthe auxiliary shaft to the main shaft, and the transmission ratio I is greater than or equal to the transmission ratio II. According to the dual-overrunning clutch self-adaptive automatic speed changing electric driving system output by the planetary system, reasonable cooperation of two overrunning clutches are used, thus the overall structure is simple and compact, gear reversing transmission and low-speed gear and quick-gear transmission share one transmission route without interference, whole performance is ensured, adaptive capacity is high, matching with a self-adaptive automatic speedchanging mechanism is smooth and natural, planetary deceleration output is adopted, output torque can be improved, a high-speed motor can be adopted as a power source, the overall efficiency is improved, and dual-overrunning clutch self-adaptive automatic speed changing electric driving system output by the planetary system is suitable for the field of electric vehicles, and is suitable for the field of other variable torque mechanical transmission.

The invention discloses an automatic speed change spindle assembly adopting planetary system input and double overrun clutch spindle output. Driving power is input through a planetary gear train. A speed change system comprises a low gear transmission mechanism, a reverse gear transmission mechanism and a self-adaption speed change component. The reverse gear transmission mechanism has a transmission ratio I at which reverse gear powder is transmitted from an auxiliary shaft to a spindle, the low gear transmission mechanism has a transmission ratio II at which low gear powder is transmitted from the auxiliary shaft to the spindle, and the transmission ratio I is equal to or greater than the transmission ratio II. The reasonable coordination of two overrun clutches is utilized to make the overall structure be simple and compact, reverse gear transmission and low gear and high gear transmission share a transmission route without interference, overall performance is guaranteed, the adaptability is high, the automatic speed change spindle assembly is matched with a self-adaption automatic speed change mechanism smoothly and naturally, planetary speed reduction input is adopted, a highspeed motor can be adopted as a power source, the overall efficiency is improved, and the automatic speed change spindle assembly is not only suitable for the field of electrombiles, but also suitablefor the other fields of mechanical transmission with variable torque.

The invention discloses a method for designing a non-circular gear planetary system through Fourier function segment transmission ratios. The method includes the steps that according to the structural symmetry characteristic of a planetary gear system of a rotary type transplanting mechanism, a transmission ratio between non-circular gears is segmented at the 180-degree position, and the relation among the segment transmission ratios of the planetary gear system is constructed; under the condition of meeting the total transmission ratio of the gear system, in order to solve the problem that effective equations for solving the segment transmission ratios are not enough, the Fourier hypothesis of the non-circular gear segment transmission ratios is provided, and other transmission ratios are distributed successfully; through mirror image, weighting, iterating and fitting processing performed on the segment transmission ratios, an ideal transmission ratio is obtained finally, and therefore a non-circular gear pitch curve is obtained. The method is simple in process, small in calculation amount and high in efficiency, and the designed non-circular gear transplanting mechanism is highly targeted.

The invention belongs to the field of drive axle assemblies of forklifts, and particularly relates to a drive axle of an electronic forklift. The drive axle of the electronic forklift comprises an axle housing assembly, a primary speed reducer arranged in the axle housing assembly, a secondary speed reducer arranged in the axle housing assembly, a hub and a brake, wherein the axle housing assembly comprises an axle housing and an axle cover; one end of the axle housing is opened and connected with the axle cover; a hub mounting hole position is arranged at the other end of the axle housing and used for mounting the hub; the primary speed reducer is driven by a cylindrical helical gear pair; the secondary speed reducer is driven by a cylindrical gear planetary system; and the brake is arranged on the outer side of the axle cover and is used for braking an axle shaft. The electronic forklift wheel edge drive axle power transmission direction is axially parallel to the hub (namely the wheel), the structure design is reasonable and compact, and the transmission efficiency is high.

The invention discloses a mechanical type dual-overrun clutch self-adaptive automatic transmission axle with a planetary system for input. The mechanical type dual-overrun clutch self-adaptive automatic transmission axle with the planetary system for input comprises a drive axle shell body and a planetary gear train used for inputting power, wherein a drive motor and a speed control system are both located in the drive axle shell body, and the speed control system comprises a low-speed gear drive mechanism, a reverse gear drive mechanism and a self-adaptive transmission assembly; and the reverse gear drive mechanism has a drive ratio I transmitting reverse gear power from a countershaft to a hollow main shaft, the low-speed gear drive mechanism has a drive ratio II transmitting low-speed gear power from the countershaft to the hollow main shaft, and the drive ratio I is larger than or equal to the drive ratio II. According to the mechanical type dual-overrun clutch self-adaptive automatic transmission axle with the planetary system for input, the overall structure is simple and compact, the reverse gear drive, the low-speed gear drive and the high-speed gear drive use a drive routein common, the adaptive capacity is high, the cooperation is smooth and natural, and the overall efficiency is improved; the whole speed control system and the drive motor are both located in the drive axle shell body, the overall structure is compact, and the strength and the stiffness of the overall axle are improved; and the occupied area is small, planetary deceleration input is adopted, thetorque can be improved, and a high-speed motor can be adopted as a power source.

The invention relates to a pot seedling transplanter seedling separating mechanism with denatured ovoid gear planetary systems, belonging to agricultural machinery. In the invention, a sun gear is installed at the central position of a gear shell; a central driving shaft is inserted into the central hole of the central gear and is fixedly connected with a gear shell; the upper and lower central shafts with upper and lower idler gears and the upper and lower planet pinion shafts with the upper and lower planet pinion gears are respectively assembled at two sides of the central driving shaft; the upper and lower idler gears, upper and lower planet gears and the sun gear are all congruent denatured ovoid gears; a seedling separating arm shell is respectively fixedly arranged on the outer ends of the upper and lower planet shafts vertically; and a seedling-taking rod, a seedling-pushing rod, a fork, a pressing spring, a cam and spring steel-strip seedling needle are arranged on the seedling separating arm shell. The mechanism has the characteristics of simple and novel structure, small volume, light weight, small vibration, high work efficiency and good operation quality, and the seedling needle point makes the seedling-taking peach-shaped static rail curve movement with the needle bulge.

The invention discloses a circle-ellipse pitch curve gear planetary system transmission case of a transplanting mechanism, which comprises a gear sun wheel, a planet carrier, a stander, two intermediate gears, two planting arm gears, two planting arms and two seedlings needles; the transmission ratio design of the transmission gear of the transplanting mechanism is suitable for the seedlings transplanting path of the large seedlings; the pitch curve of the elliptic gear is formed by the means that a section of circular curve is in smooth connection with a section of elliptic curve, the seedlings needles are even in moving speed when the seedlings needles are used for pushing the seedlings due to the circular part of the pitch curve, the seedlings needles are lift up after a seedlings pushing rod is used for pushing the seedlings into the mud, the movement locus of the seedlings needles is changed to be small in a plant pit in the mud, and the seedlings laying and the seedlings floating are hardly generated; and the seedlings movement locus has the minimum attack to the seedlings due to the elliptic part of the pitch curve when the seedlings are withdrawn by the seedlings needles, so that the seedlings are hardly injured.

The output speed of a hydrostatic unit in a transmission is determined using a pair of variable reluctance sensors, one on a gear driven by the hydrostatic unit output and the other on the carrier of the planetary system. One of the two sensors will always be measuring a relatively high speed from which the hydro output is directly determined or indirectly determined using the current engine speed. Thus the frequency of the speed sensor used to determine the hydrostatic unit output speed is not decreased at slow hydrostatic unit output speeds.

The invention discloses a telescopic tooth type remnant film collecting method of a non-circular gear planetary system and the mechanism thereof. The two ends of a remnant film collecting roller are respectively fixed with a set of non-circular gear planetary system box body in which a non-circular inner gear, a center sun non-circular gear and six planetary circular gears are provided; the non-circular inner gear is in an inner mesh with the planetary circular gears which are in an outer mesh with the center sun non-circular gear; the six groups of in-phase planetary circular gears in the box body at the two ends of the roller are respectively fixed and connected with six planetary circular gear shafts; six groups of film collecting teeth and rod components are arranged on the radial direction, in each group of film collecting teeth, six film collecting teeth which are evenly distributed along the axial direction are provided, one end of the film collecting teeth is movably sleeved on the centers of the planetary circular gear shafts, and the middle parts of the film collecting teeth are movably sleeved on a film collecting tooth shaft. When in work, the mechanism is driven by the roller, the rotation and the revolution of the planetary gears are driven through the rotation of an inner gear, the middle sun gear is fixed to control the protruding and the retractation of the film collecting teeth, the film collecting requirement is met.