Wave transmission

FIELD: machine engineering.

SUBSTANCE: wave transmission contains an elliptical wave former, a flexible wheel mounted on rollers placed on the wave former, and a rigid gear wheel. The flexible wheel is made with an annular rib at the end, and the grooves on it are made with cylindrical surfaces along the edges and are arranged symmetrically in two rows on each side of the gear ring, with one set of grooves half offset.

EFFECT: increased loading capacity of the wave transmission.

3 dwg



Same patents:

FIELD: machine building.

SUBSTANCE: invention relates to 2K-H gearboxes with two internal engagements for the torque transfer and transformation. The gearbox contains a cylindrical casing, rear cover, face cover with fixed central internal gearwheel, output shaft with movable central internal gearwheel, double external gearwheel with hole. The cylindrical U-shape insert with two open cylindrical holes is installed in hole of the double gearwheel, in one of them (central) the geared shaft is installed, and in the another one - satellite gearwheel. Teeth of the geared shaft are in engagement with teeth of the satellite gearwheel, and satellite gearwheel teeth are engagement with teeth of the internal engagement of the double tooth-wheel. Teeth of the internal engagement of the double tooth-wheel, teeth of the geared shaft and satellite gearwheel additionally using the cylindrical tips of the tooth heads execute function of the journal bearing cage. The wave profile of teeth provides the tooth-wheel rotation during work around the own axis and axis of the central tooth-wheels with set permanent eccentricity. At that teeth are in engagement with each other during the gearbox operation.

EFFECT: improved operating characteristics of the gearbox.

3 cl, 5 dwg

FIELD: electricity.

SUBSTANCE: invention relates to the electric drive with a reducer. The electric drive reducer contains the first reduction with a sun pinion (42) being engaged with one planet gearing (46) rotating around the respective shaft (47) is located in a drum (45). The planet gearing is engaged with a fixed wheel (48) to rotate the drum around an axis of rotation (X4). The reducer also contains the first guiding device (43) used both for rotation of the sun pinion (42), and for rotating the drum (45) around the axis of rotation (X4).

EFFECT: noise suppression and improvement of reliability of the device is achieved.

10 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: plunger reducer with roller ways comprises a wave generator, a stationary rigid gear wheel, a wheel in the form of ring-separator interacting with the said wheel, prismatic plungers are set in the grooves of the ring-separator wheel and are able of radial movement, holes where rolling bodies are installed, are provided in the ring-separator parallel to its axis and tangentially to the guide surfaces of its grooves.

EFFECT: higher efficiency.

2 dwg

FIELD: machine building.

SUBSTANCE: wave gear comprises a cam, a flexible bearing, flexible and rigid gears. According to the first version, a recess is provided above rolling bodies on the inner surface of the flexible gear. According to the second version, the recess is provided on the outer surface of the outer race of the flexible bearing. The recess height is chosen so that to prevent contact between the outer race of the flexible bearing and the flexible gear in the said recess in the course of operation at the deformation of links. The recess can be of different shape.

EFFECT: improved durability of the structure.

2 cl, 2 dwg

FIELD: electricity.

SUBSTANCE: small-sized motor drive contains a housing which comprises a reducer motor connected to the motor output shaft with its input shaft, and the output shaft - to the driving element of the contact network disconnector, and the rotation direction switch of the drive. The reducer motor is designed as worm and cylindrical gear the wheel shaft of which is an output shaft of the drive, and the worm shaft is located parallel to the motor output shaft and connected with through two-stage tooth gearing. The shaft of the intermediate wheel of the tooth gearing is parallel to the worm shaft and the engine and located in the space between them.

EFFECT: improvement of operational reliability, simplification of control and design convenience.

4 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: invention relates to the harmonic tight drive of vacuum process equipment. Method of manufacturing and assemblage/disassemblage of harmonic tight drive means flexible bearing installation on the flexible tight link without deformation. During installation the bearing is mandatory deformed to ellipse shape. External tight orthogonal-stepped or smooth enclosure executed function of tightness assurance. The internal non-tight smooth enclosure executes function of the power load transfer. The enclosures are arranged concentrically and are interfaced with relative mobility. The device implementing the method of manufacturing and assemblage/disassemblage of harmonic tight drive is made in form of pipe. The pipe is installed on the ring belt of the internal non-tight enclosure with relative mobility and is made with one toothed rim. The rigid tooth-wheel of the output link is made double.

EFFECT: lesser amplitude of links vibration is ensured, they have increased vibration strength and tightness.

6 cl, 3 dwg

FIELD: machine building.

SUBSTANCE: invention relates to vacuum process equipment. Harmonic tight drive includes tightly connected casing and made as single part installation flange, bottom and input and output links, flexible tight link deformed by the external elliptical generator of waves of forced deformation, made in form of two peak contour and installed in contour of the flexible bearing, flexible tight link, two-wave toothing made by rims of the engaging wheels. Output, flexible tight and input links are made with double supports, flexible tight link is divided and made assembled from fixed, installed one on another with relative mobility of bolted thin-wall enclosures, and are provided with individual functions. The flexible tight enclosure executes function of tightness assurance, and internal non-tight enclosure executes function of the power load transfer. Invention describes device and sequence of operations of assemblage/disassemblage of harmonic tight drive and scope of its application.

EFFECT: reduced amplitudes of links vibration, increased links rigidity, vibration stability and strength, increased tightness and drive service life.

6 cl, 5 dwg

FIELD: machine building.

SUBSTANCE: invention relates to machine building, particularly to gear drives. The gear drive contains at least two engaged cylindrical gearwheels (1, 2) with helical crown (3, 4) and teeth width (b). The first cylindrical gearwheel (1) has teeth profile (3a) at diameter of top circle (DK1), and second cylindrical gearwheel (2) has teeth profile (4a) with diameter of dedendum circle (DF2). At that the first cylindrical gearwheel (1) on each tooth has at least one shoulder (5) of tooth profile (3a) partially covering the tooth width and going beyond the diameter of the top circle (DK1). The shoulder has at least one thrust face (5a) to accept the axial forces.

EFFECT: increased reliability of gear drive.

9 cl, 2 dwg

FIELD: machine building.

SUBSTANCE: gear transmission contains drive (1) and driven (2) cylindrical wheels, their teeth are made with arched longitudinal lines and evolvent end profiles. Side surfaces of teeth of the both wheels have work sides (3, 4), by means of their interaction the rotation movement is transferred, and non-work sides (5, 6). Non-work end profiles (7, 8) creating by crossing of the non-work sides with plane at right angle to axis G of the wheel rotation, have engagement angles αnp1 and αnp2, there values exceed values of engagement angle α of work end profiles (9, 10).

EFFECT: invention allows increasing of load-carrying capacity of durability of gear operation.

5 cl, 3 dwg

Planetary gear // 2550598

FIELD: machine building.

SUBSTANCE: planetary gear contains eccentric shaft (1), two cone satellite gears with external teeth (2), fixed central wheel in form of two cone central wheels with internal teeth (3), output shaft (4), discs (5), (6), (7) rigidly connected with each other, and output shaft by means of braces (8), and rollers (10) free located in holes of the satellite gears and discs. Angles of cones of the central wheel (3) and satellite gear (2) are selected such that during engagement their axes will be parallel. The central wheels are installed in the casing (18) on balls (15) and pressed to the satellite gears by the resilient elements (17). Between the satellites the thrust roller bearing (14) is installed.

EFFECT: simplified design of the planetary gear and increased level of its workability.

2 dwg

Planet gear // 2244181

FIELD: mechanical engineering.

SUBSTANCE: planet gear has input shaft with eccentric , race, and satellites.

EFFECT: improved design.

2 cl, 8 dwg

FIELD: mechanical engineering.

SUBSTANCE: rolling bearings of shaft (10) are housed in eccentric sleeves (3) and (4). Sleeve (3) receives bushings (5) and (13). Sleeve (4) receives bushings (6) and (14). First bushings (5) and (6) are made of eccentric and provided with conical outer surface and radial grooves. Second bushings (13) and (14) are mating with first bushings (5) and (6) over the spherical surface whose center is on the axis of shaft (10). Additional spherical surfaces are mating with the spherical surfaces of bearing washers (15) and (16) mounted on shaft (10). Bearing washers (15) and (16) are arranged in stop nuts (17) and (18) mounted in housing (2).

EFFECT: expanded functional capabilities.

5 dwg

FIELD: mechanical engineering.

SUBSTANCE: invention can be used in drives of high-accuracy machines and mechanisms. Proposed transmission contains high-speed shaft 1 and slow-speed shaft 2, eccentric 3, stationary central wheel 9 with internal shaped profile, holder 7 with radial slots, roller intermediate links 8 placed in slots, cam 4 and additional cam 10. Cam 4 with shaped profile on outer surface is installed on eccentric 3 of high-speed shaft 1 through antifriction bearing and is in mechanical contact with roller intermediate links 8. Additional cam 10 is rigidly coupled with slow-speed shaft 2 and is turned relative to cam 4. Number of lobes of cam 4 is equal to number of lobes of additional cam 10 and differs from number of roller intermediate links 8.

EFFECT: reduced weight, axial dimensions and unbalance of transmission.

2 cl, 2 dwg

Gear mechanism // 2250340

FIELD: mechanical engineering.

SUBSTANCE: rotor axis of gear mechanism, performing a planetary movement, is displaced relatively to stator axis for distance of engagement eccentricity. As source auxiliary contour ellipse is used, while proportional coefficient k, determining radius of guiding circle, is taken equal to half necessary number of teeth z of wheel (k = z/2), optimal shape of its teeth is provided by rational combination of ellipse shape coefficient λ, equal to relation of lengths of its semi-axes and eccentricity coefficient of auxiliary contour, in form of relation of length of greater ellipse semi-axis to rolling circle radius, while inner and outer profiles are made in form of elliptic profiles from common ellipse contour.

EFFECT: simplified manufacture.

3 cl, 11 dwg

Reduction gear // 2250398

FIELD: mechanical engineering; summing-up rotary motion from several shafts.

SUBSTANCE: proposed reduction gear has housing 2 with covers 1, detachable horizontal shafts 5 and vertical shafts 10 and 11 with gears 7 and 9. Housing 2 is provided with cavities 6 for gears 7 with holes 3 and mounting seats for horizontal shafts 5 and mounting seats for vertical seats 10 and 11 in center of housing. Mounting seats for vertical upper shaft 11 and lower shaft 10 are made in centers of covers 1. Shafts 5 are located symmetrically and they are diametrically opposite relative to circle. Gears 9 of vertical shafts 10 and 11 are thrown into engagement with all gears 7 of horizontal shafts 5.

EFFECT: summing-up rotation of several quick revolving shafts into rotary motion of two shafts at low angular velocity.

2 dwg

FIELD: mechanical engineering.

SUBSTANCE: two-speed planet cycloidal reduction gear comprises housing (1), cover(2), input shaft (1), output shaft (18), corner eccentric of the first gearing, satellite pinion (5), and central pinions (4) and (7), pinion (7) being movable. All the pinions are mounted on output shaft (1) via bearings (9), (19), and (20). Satellite pinion (5) is made of a spring whose turns have a round concave profile. Central pinions (4) and (7) are made of springs the turns of which have round convex profile and which are welded to define a single structure. The number of teeth of all pinions differ from these of adjacent pinions, and from their left and right sections by the unit.

EFFECT: expanded functional capabilities.

8 cl, 3 dwg

FIELD: instrument industry.

SUBSTANCE: electric drive comprises first and second electric motors, planet gearings, and differential. Stators (5) and (6) of the electric motors are secured to housing (2) of the electric drive. Shaft (7) of rotor (3) of the first electric motor is mounted on base (1) and is connected with central pinion (16) of the differential through a clutch. Shaft (10) of rotor (4) of the second electric motor bears on shaft (7) of rotor (3) and is connected with the hollow central pinion (17) of the differential through a clutch. Central pinion (16) is mounted in the space of central pinion (17) and engages satellites (19). Satellites (19) engage satellites (21) in pair. Central pinion (16) is interposed between two spherical bearings (22) and (23). Carriers (20), (27), and (30) of the differential and first and second planet gearings are made in block with central pinions (25), (29), and (33) of the first, second, and third planet gearings, respectively. Satellites (26) and (32) engage common gearing wheel (34) which is secured to housing (2). Carrier (37) of the planet gearing is made in block with output shaft (40). First (42), second (43), and third (44) supports are interposed between central pinions (25), (29), and (33) and carriers (27), (30), and (37), respectively.

EFFECT: simplified manufacturing and assembling of the electric drive.

cl, dwg

FIELD: mechanical engineering.

SUBSTANCE: reduction gear comprises housing (1), teeth-rollers freely mounted in the recesses of the housing, driving shaft with eccentrics (9), driven flange, and satellites with teeth-rollers (15) freely mounted in the recesses. Teeth-rollers (15) engage teeth-rollers (14). The satellites transmit torque to the driven flange through pins (12). Teeth-rollers (15) of satellites and teeth-rollers (14) of housing (1) cooperate with each other through intermediate set of rollers (16).

EFFECT: enhanced efficiency.

1 cl, 3 dwg

FIELD: mechanical engineering.

SUBSTANCE: planetary-spool reducer has turning case, motionless flange, second flange, drive shaft with eccentrics disposed uniformly around it, satellites with epicycloidal teeth, roller teeth mounted freely inside internal grooves of turning case. Drive shaft has axis of rotation shifted relatively turning case. Second flange is rigidly tied with first flange by bridges crossing windows of satellites. Drive shaft is mounted in roller supports of flanges which supports are disposed eccentrically.

EFFECT: improved efficiency of reducer.

3 cl, 6 dwg

FIELD: mechanical engineering.

SUBSTANCE: planet high-power reduction gear comprises housing (1), low-speed shaft made in block with carrier (5), satellites, solar wheel (14), and floating central wheel (2) that is composed of two rims whose teeth are directed oppositely. Solar wheel (14) is secured to driving wheel (13). Housing (1) of the reduction gear is made in block with the common intermediate link provided with inner teeth for receiving the floating central wheel (2) having outer teeth (gearing compensating clutch). The outer diameter of carrier (5) is provided with two end pins for rolling bearings to engage carrier (5) with low-speed shaft through them. The carrier is provided with the central setting opening for receiving driving shaft with solar wheel (14) mounted on the rolling bearings and coaxially-radial setting single-sided openings for receiving satellite gearing compensating clutches (8) mounted on the rolling bearings. Carrier (5) from the side of driving shaft (13) has bearing radially face flange (15) which connects driving shaft (13) and axles with the satellite gearing compensating clutches (8).

EFFECT: enhanced reliability and reduced metal consumption.

3 dwg