(57) Abstract:Usage: in mechanical engineering. The inventive gearbox includes a housing, an input shaft, at least two two-stage planetary gear with the common planet carrier. Each satellite of the first stage is associated with each satellite of the second stage torsion shaft. Torsion bars can be made between concurrent transmissions with different torsional rigidity. 1 C. p. F.-ly, 3 ill. The invention relates to the field of engineering, namely gears for messages rotational motion, and can be used as a reducer for the turbo-drill.Known reducer for turbo-drill, part of the gear-spindle CS-ST. 00.00,000 SA, consisting of two parallel single-stage planetary gear  drive shaft transmits torque to the two manufactured along with the shaft leading gears. Each of the drive wheels are engaged by four satellites, mounted on common to both planetary gear drive rod with double roller bearings. The satellites are in engagement with the Central toothed crowns internal gears, enshrined in the s slope opposite.This gearbox has the following disadvantages:
it is impossible to evenly distribute the load between satellites in the same planetary series, especially if the number of satellites more than three, as in design there are no floating parts or elastic elements;
torque on the driving shaft is transmitted to the spline coupler, so the friction force arising in the latter prevents the displacement of the drive shaft and make a significant irregularity in the distribution of power between the planetary gears;
it is almost impossible to provide uniform load distribution between the rows of wide rollers dual radial bearings receiving the load acting on the satellite axes.These deficiencies do not allow this gear to have the required resource and sufficient reliability.Closest to the proposed to the technical essence is a planetary gear comprising a housing, driving and driven shafts connected with the driven shaft drove, installed coaxially parallel series of satellites that communicate with each of the series of satellites of the Central wheel and balancing mechanisms.In famous as posted on the driver, filled with fluid and hydraulically interconnected bellows, each of which interacts with one of the satellites 
The disadvantage of this gearbox is a complicated structural implementation of egalitarian mechanisms, made in the form of a fluid-filled bellows, which increases its diametrical dimensions, requires additional attention during operation because of the inevitable leakage of fluid, leading ultimately to an uneven distribution of power between parallel planetary gear and the reduction of the life of the gearbox.The aim of the invention is to increase the transmitted power and torque, the increase in the resource at a given diametral size by distributing power between parallel planetary gear.The objective is achieved by the fact that the gearbox comprising a housing, a drive shaft, at least two parallel two-stage planetary gear with the common planet carrier and balancing mechanisms, the latter is in the form of torsion bars connecting each satellite of the first stage and each satellite of the second stage installed in the driver coaxially avatarname passes their torsion bars can be made with different torsional rigidity.In Fig. 1 shows the proposed gear (constructive scheme); Fig. 3 section a-a in Fig. 1.The gearbox is made of two parallel planetary gear. It consists of the input shaft 1, on which are mounted or made at the same time with him leading gear wheel 2 one planetary gear and the drive sprocket 3 other transmission. Gears 2 and 3 respectively are in engagement with multiple satellites 4 and 5 of the first stages of the planetary gear. Each satellite 4 and 5 of the first stage corresponds to the satellite 6 and 7 of the second stage of reduction, which are coaxially mounted on a common for the two planetary gear drive rod 8 on its own for each satellite bearings 9-12 and 13-16.The gear has an egalitarian mechanisms, made in the form of torsion bars 17 and 18 low torsional rigidity, having at the ends of the spline connecting the satellites 4 and 5 of the first stage and satellites 6 and 7 of the second stage.Satellites 6 and 7 of the second stage are in engagement respectively with the Central wheels 19 and 20 internal gear fixed to the body 21 of the gearbox via a splined connection.For ravnomernykh shafts 17 and 18 may be different. This achieves the compensation twisting of individual sections of the drive shaft 1 and the housing 21, perceiving the reactive torque from each of the planetary gear.The gearbox works as follows.The drive wheels 2 and 3 result in rotation of the satellites 4 and 5 of the first speed reduction transmission torque satellites 6 and 7 of the second stage through the torsion bars 17 and 18 of the slotted connections. While running relatively fixed in the housing 21 of the Central wheels 19 and 20 internal gears, satellites 6 and 7 on the one hand, and on the other hand satellites 4 and 5, perceives the district's efforts from the driving wheels 2 and 3 result in the rotation of the carrier 8 with the corresponding changes in speed and torque. Drove 8 transmits rotation to the output shaft of the gearbox.We offer gearbox allows you to increase the transmitted power and torque, but also to increase the life and reliability without increasing Diametric size. 1. A GEARBOX comprising a housing, input shaft, at least two parallel two-stage planetary gear with the common planet carrier and balancing mechanisms, characterized in that the surge m the ing him a satellite of the second stage, coaxially mounted in a drive rod with bearings.2. The gearbox under item 1, characterized in that the torsional rigidity of the torsion bars between parallel planetary gear are different.
FIELD: mechanical engineering; vehicle transmissions.
SUBSTANCE: proposed transfer case contains primary shaft 1, countershaft 9 and secondary shaft 12 with gear 13 with gear 13. Gearshift mechanism 4 is arranged on primary shaft 1, and gears 7 and 8 are installed on bearings 5 and 6. Gears 7 and 8 are in constant meshing with gears 10 and 11. Gear 13 of secondary shaft 12 is in meshing with one of gears of countershaft. Guide chute with higher pressure space closed by plate 14, oil collector 15 and system of oil channels 16 are made in case.
EFFECT: increased service life and possibility of towing of vehicle over long distances.
SUBSTANCE: inventions are related to variants of manufacture of reduction gears with separation of torque, mostly for rotary-wing aircraft. Reduction gear system according to the first version comprises inlet module, main module and module of forward traction. Main module is engaged with inlet module and comprises two main gears for coaxial counter-rotation around rotation axis of bearing screw. Module of forward traction is engaged with inlet module and comprises main reciprocal gear that rotates around rotation axis of transmission shaft, which is usually transverse to rotation axis of bearing screw. In reduction gear system according to second version inlet module has the first straight bevel gear engaged with the second straight bevel gear. The second straight bevel gear is engaged with the third straight bevel gear. The main module is engaged with inlet module. The main module gears are put in motion by the second straight bevel gear. Module of forward traction via forward gear is engaged with the third straight bevel gear of inlet module. In system of reduction gear according to the third version the main module is engaged with inlet module via inlet shaft, which is arranged with the possibility of rotation around rotation axis of inlet shaft. Module of forward traction is engaged with inlet module similar to other versions.
EFFECT: reduction gear weight and volume reduction, and also increased live load and space in cabin.
20 cl, 8 dwg
FIELD: machine building.
SUBSTANCE: system of reducer consists of multitude of three-step modules (26A, 26B, 26C) of power tooth gear dividing flow of torque; each module transmits torque from high-speed engine to shaft (24) of lifting screw. A packaged design of a conic flat tooth gear of the first step (S1) facilitates installation of the engine in various positions along all axes. On the second step (S2) units of hollow shafts ensure equal balance of load. On the third step (S3) each unit of the hollow shaft includes multitude of small gears engaging an output tooth gear (28) of the last step.
EFFECT: reduced weight and dimension, equal distribution of load and simple and inexpensive production.
8 cl, 8 dwg
FIELD: printing industry.
SUBSTANCE: invention relates to a jet recording device, which records by using driving transmission gear. The driving transmission gear by means of unit to switch condition of rotation switches between the condition of the limited rotation and the condition of the free rotation. In the limited rotation condition the planetary gear is engaged with the master inlet gear, and a pressing device is not able to transmit rotary moving force. In the free rotation condition the planetary gear is disengaged from the master inlet gear, and a pressing device is able to transmit rotary moving force. The mechanism of the movement transmission switching comprises the first and the second support sections, which are engaged with the planetary lever turned in the free rotation condition to set the initial condition of the planetary gear rotation position. The mechanism of movement transmission switching is able to select, which one of the first and the second support sections gets engaged with the planetary lever in compliance with the position of the master inlet gear, which transmits rotary moving force, from multiple master inlet gears.
EFFECT: increased reliability of the invention due to simplification of mechanisms.
19 cl, 21 dwg
FIELD: power industry.
SUBSTANCE: impeller design is described. Impeller has disc configuration with R radius, consists of hub, transverse-longitudinal frame rigidly attached to it and attached from above and from below to casing. Transverse-longitudinal frame is radial-annular, consists of radial ribs of the shape of radial section of disc and incomplete ribs installed in middle and peripheral parts of discs uniformly in circumferential direction, which are rigidly attached to several inner annular vertical spars. At that, outer external spar is reinforced, and height of impeller h1 in hub is more than height in peripheral end part h2.
EFFECT: creation of impeller design of electromechanical unit.
FIELD: power industry.
SUBSTANCE: ribs are laminated and consist of several layers; for that purpose, at the stage of mould loft the surface area of rib for each layer is divided into segments of various surface area so that joints of segments of contact layers are offset overlapped in horizontal and vertical planes. At that, sizes of segments are appointed based on manufacturing dimensions of moulds for moulding equipment; rib is assembled on layout table in continuous parts in which each layer is assembled of its segments; then, assembly is subject to vertical pressure and all layers are welded by means of resistance welding; after that, rib is moved on layout table and the next part is assembled.
EFFECT: development of method of industrial manufacture of large-size ribs of impeller.
FIELD: power industry.
SUBSTANCE: impeller of electromechanical plant has large overall dimensions; its diameter can be 20 and more metres; and so it cannot be transported as assembled to place of destination. Impeller consists of several sectors with length of chord, which does not exceed 4.6 metres gross; the above sectors are transported to the site and then attached to each other and to the hub with attachment assemblies. Each sector consists of part of radial-annular framework, part of external mounting spar, parts of lower and upper covering; at that, each sector is restricted with reinforced ribs which are adjacent to reinforced ribs of other adjacent sectors which are overlapped, and parts of external mounting spar are attached by butt welding.
EFFECT: providing the possibility of transporting the impeller to place of destination, developing the impeller that implements the above method.
2 cl, 3 dwg
FIELD: machine building.
SUBSTANCE: transfer mechanism consists of step (10) of conic gears for input of force and of at least one step (5) of planetary gears for force takeoff from side of cup. Step (10) of conic gears contains conic gear (20) with rim and vertical driven shaft (21) connected with a step of planetary gears by means of coupling (22). Instead of one drive of big power the step of conic gears has several separate drives (11, 12) and corresponding conic gears (15, 16) arranged for mutual engagement with conic gear (20).
EFFECT: facilitation of optimal distribution of load.
6 cl, 1 dwg
FIELD: power industry.
SUBSTANCE: device includes electric machine with vertical shaft of rotor, impeller (1) with gear rim in circumferential direction of which power plants are installed. Each power plant consists of housing (8), electric motor (9), reduction gear and propeller (11) in the form of gear which is conjugated with gear rim of impeller (1). Electric motors are rotated to one side, and thrust vectors of outlet gears are directed to the other side in plane of impeller.
EFFECT: device allows transmitting torque moments of considerable value to impeller of electromechanical plant at strict compliance of angular speeds of electric motor and impeller.
FIELD: power engineering.
SUBSTANCE: generating electric machine is installed into a concreted cofferdam of open ground. The shaft of its rotor is fixed at the bottom and at the top in radial bearings, and on the top it is connected with an impeller by means of an intermediate assembly - a driving bushing, which is connected from inside with a splint joint to the electric machine rotor shaft, and from outside it is rigidly fixed to the impeller's hub. The vector of the impeller's weight value is transferred via the driving bushing that rests against the thrust bearings of a girder plate installed onto a crosspiece fixed with support pillars. In the electric machines with vertical axis of rotor rotation the vertical load at support elements is considerably reduced.
EFFECT: development of an alternative electromechanical source of power generation.