Automatic stepless mechanical transmission

FIELD: mechanical engineering; automotive industry; machine-tool building.

SUBSTANCE: proposed transmission contains coaxial input shaft 1 and out-put shaft 2, bevel driving wheel 3 and driven wheel 4, additional support central bevel gear 11 and auxiliary support central bevel gear 10, carrier 5 with radial axles on which main planet pinion made up of two wheels 6 and 7, additional planet pinion 8 and auxiliary plant pinion 9 are mounted. Additional support and auxiliary support wheels 11, 10 are secured on their additional hollow intermediate shaft 12 and auxiliary hollow intermediate shaft 18, respectively. Shafts 12 and 18 are installed coaxially to shafts 1 and 2, being connected to them by drives. Transmission and conversion of torque at all duties is provided by braking carrier 5 caused by change of direction of vectors of angular momentum of planer pinions of larger mass at rotation relative to central point 01 of intersection of line O-O of transmission and radial axes 01-01 of carrier 5.

EFFECT: improved reliability of power coupling of input and output shafts with conversion of value of torque and speed depending on value of load applied to shaft.

10 cl, 1 dwg

 

The invention relates to mechanical engineering and can be used in the transport industry, in particular in the automotive industry, as well as in machine tools.

Known automatic continuously variable mechanical transmission that contains the master and slave Central bevel gear, put into engagement with the conical main satellites placed on radial axes drove. Posted by ibid conical additional satellites put into engagement with the conical Central stationary support wheel. Drove placed between the Central master and the slave wheels with the possibility of free rotation around the axis of the transmission on the master or the slave shaft. The primary and secondary satellites placed on radial axes were taken with independently from each other in rotation. The primary and secondary satellites made massive by applying massive rims that provides them with the ability to simultaneously perform the functions of the inertial loads in the form of a flywheel (RF patent 2178107, IPC F 16 N 33/14, 3/74, 10.01.2002. Bull. No. 1).

The disadvantage of this automatic continuously variable mechanical transmission is to reduce anti-rotation took additional satellites with increasing rotational speed of the driven shaft. When the maximum rotational speed of the slave is Ala, when the carrier is stationary, additional satellites are also fixed and do not participate in the torque transmission.

The closest set of features technical solution to meet the automatic transmission is a continuously variable mechanical transmission containing coaxial input and output shafts installed on them conical toothed master and slave Central wheel and drove in the form of radial relative to the geometric axis of the transmission axes are in different directions from the axis of the transmission placed with the possibility of rotation of the toothed conical satellites - major and minor, the first of which entered into engagement with the Central wheel, and the latter is mounted in the housing of the transmission gear fixed cone Central supporting wheel, when this led is placed between the Central wheel with the possibility of free rotation on the input or output shaft. The mass of satellites increased, including through the use of coaxially related to the satellites of the flywheel. Parallel to the axis of the transmission case transmission placed the reference axis, on which are fixed two toothed wheels, one of which was put into gear fixed on the input shaft, and the other wheel - with subcatid wheel, fixed on the hollow intermediate shaft which is mounted to the axially with the input shaft and is rigidly connected with a toothed conical Central movable support wheel, located in engagement with posted on radial axes drove additional satellites. This permits the rotation of the intermediate shaft and the rolling wheels in the same direction with the input shaft (RF patent 2171930, IPC 7 F 16 N 33/14, 3/74, 10.08.2001, bull. No. 22).

The disadvantage of this automatic continuously variable mechanical transmission is what drove and Central movable support wheel rotating in one direction, which reduces the rotational speed of the main satellites and additional satellites as increasing the frequency of rotation of the output shaft. At the same time decreases the rotational speed of the auxiliary satellites. When the maximum rotational speed of the output shaft, when carrier is stationary, auxiliary satellites do not rotate due to engagement with the stationary support wheel. These circumstances lead to a decrease in counter-rotation was taken as increasing the frequency of rotation of the driven wheel and the output shaft, which reduces the efficiency of the transfer.

The present invention provides a more intensive anti-rotation were taken during all operating modes of the transmission, which increases the reliability of the power connection of the input shaft with the output shaft with the transformation of this magnitude of the transmitted torque, the speed depending on attached to this shaft load.

This technical result is achieved by the fact that the automatic continuously variable mechanical transmission includes input and output shafts, a gear fixed on them tapered Central master and slave wheel and placed on the input shaft or output shaft rotatably drove with a radial axis relative to the line of the axis of transmission, which are rotatably primary, secondary and auxiliary satellites. The main satellite is made of two interlocked between a toothed bevel wheels - external and internal relative to the axis of the transmission, one of which is engaged with the driven wheel and the other wheel with the sprocket wheel. Auxiliary satellite is put into engagement with the toothed conical Central auxiliary support wheel. Additional satellite is in engagement with the toothed conical Central additional support wheel mounted on the floor of an additional intermediate shaft which is mounted coaxially with the input shaft for rotation relative to the shaft and is connected with the input shaft via drive additional support wheel containing gears and the reference axis, which is accommodated in the housing of the transmission parallel to the axis of the transmission. Drove placed between the master and edomim wheels, and the satellites are given additional weight and they are placed on radial axes were taken with ability independent from each rotation.

According to the invention, the actuator additional support wheel includes three sequentially siteplease gears, the first of which is fixed to the input shaft, a second wheel mounted on an additional intermediate shaft, a third wheel mounted on the shaft and is intermediate between the first and second wheels. The actuator provides rotational additional support wheel in the opposite direction to the direction of rotation of the carrier and input shaft. An auxiliary wheel mounted on the auxiliary intermediate shaft, coaxial with the output shaft for rotation relative to the shaft and the auxiliary shaft is connected with the output shaft by means of the auxiliary drive wheels, containing bevel gears and the reference axis, is placed in the case of parallel transmission output shaft. Two wheels of the drive attached to the specified reference axis and brought into engagement separately with wheels, mounted respectively on the output shaft and supporting the intermediate shaft with the formation of pairs of wheels, and these pairs of wheels provide the ability BP is the value of the auxiliary supporting wheels in the opposite direction to the direction of rotation was taken.

The satellites are made with solid rims or rigidly coaxially connected with massive flywheels and simultaneously with the transmission of torques and rotational movements also perform the functions of the inertial loads in the form of a flywheel.

Axis line of the transmission line radial axes drove intersect at one Central point.

As a special case execution, transmission contains one primary, supplementary and auxiliary satellite to the location of their total center of mass on the axis of the transmission.

As a special case execution, transmission contains two main, additional and auxiliary satellites, each of which is placed symmetrically of the axis line of the transmission on the respective radial axes were taken.

As a special case execution, transmission contains two placed on one diametrical line of the axis of the carrier, each of which can independently from each other, the rotation is placed in the possible different combinations of the basic, additional and auxiliary satellites.

As a special case execution drove contains two pairs of perpendicular axes and each of these pairs of radial axes placed independently from each other, rotation, respectively, primary, or secondary, or auxiliary satellites in different combinations.

the AK is a special case execution drive additional support wheel comprises a cylindrical toothed wheels, one of which is made with an inner toothing, and the axis of the intermediate gear mounted in the housing of the transmission and is the supporting element of the drive.

As a special case execution, drive additional support wheel contains a bevel gear wheel, with the axle intermediate the wheels are positioned in the housing of the transmission angle, including a right angle to the axis of the transmission and is the supporting element of the drive.

The transfer mechanism contains a free running, one link of which is connected to the housing of the transmission, and another link with the planet carrier by means of a connecting element with capability of rotation were taken only in the direction of rotation of the input shaft.

The drawing gives a General view of an automatic continuously variable mechanical transmission (“transmission”).

The transmission includes an input 1 and output 2 shafts, installed toothed conical Central leading 3 and slave 4 wheels and placed on the input or output shaft rotatably drove 5 with a radial axis relative to the axis line o-O of the transfer, which is placed with the possibility of rotation of the main 6, 7, an additional 8 and 9 auxiliary satellites. The main satellite is made of two interlocked between the Oh toothed bevel wheels - the inner 6 and outer 7 relative to the axis line o-O of the transmission, one of which is engaged with the sprocket wheel 3, and the other wheel with a driven wheel 4. Auxiliary 9 satellite was put into engagement with the toothed conical Central auxiliary support wheel 10. Additional satellite 8 is engaged with the toothed conical Central additional support wheel 11 mounted on the hollow additional intermediate shaft 12, which is mounted coaxially with the input shaft 1 for rotation relative to the shaft and is connected with the input shaft via drive additional support wheel containing gears and the reference axis 13, which is accommodated in the housing 14 of the transmission parallel to the axis Oh of the transmission. Drove 5 is placed between the lead 3 and slave 4 wheels, and the satellites are given more weight, and they are placed on radial axes were taken with ability independent from each rotation.

Drive additional support wheel includes three sequentially siteplease gears, the first of which 15 mounted on the input shaft 1, the second wheel 16 fixed on an additional intermediate shaft 12, the third wheel 17 is fixed on the supporting axis 13 and is intermediate between the first and second wheels. The drive provides opportunities for the rotation additional supporting wheels 11 in the opposite direction to the direction of rotation of the carrier 5 and the input shaft 1.

Auxiliary support wheel 10 is fixed on the secondary intermediate shaft 18, coaxial with the output shaft 2, with the possibility of rotation relative to the shaft and the auxiliary shaft is connected with the output shaft by means of the auxiliary drive wheels, containing bevel gears and the bearing axis 19 arranged in the transmission case 14 in parallel to the output shaft 2. Two wheels 20, 21 of the actuator is fixed to a specified reference axis 19 and is introduced into the mesh separately with wheels 22, 23, fixed respectively on the output shaft 2 and the auxiliary intermediate shaft 18 with the formation of pairs of wheels, and these pairs of wheels allow rotation of the auxiliary supporting wheels 10 in the opposite direction to the direction of rotation of the carrier 5.

Satellites 6, 7, 8, 9 are made with solid rims or rigidly coaxially connected with massive flywheels and simultaneously with the transmission of torques and rotational movements also perform the functions of the inertial loads in the form of a flywheel.

Axis line o-O transmission line radial axes O1-O1drove 5 intersect at one Central point O1.

As a special case execution, transmission contains one main 6, 7, an additional 8 and 9 auxiliary to the satellite location with marnoso their center of mass on the axis line o-O of the transfer.

As a special case execution, transmission contains two basic 6, 7, an additional 8 and 9 auxiliary satellites, each of which is placed symmetrically of the axis line o-O of the transmission on the respective radial axes of the carrier 5.

As a special case execution, transmission contains two placed on one diametrical line of the axis of the carrier 5, on each of which independently from each other, the rotation posted with the possibility of different combinations of the main 6, 7, an additional 8 and 9 auxiliary satellites.

As a special case of a run, drove 5 contains two pairs of perpendicular between the axis and each of these pairs of radial axes placed independently from each other, rotation, respectively, the main 6, 7 or more 8 or auxiliary satellites in different combinations.

As a special case execution, drive additional support wheel 11 comprises a cylindrical toothed wheels, one of which 15 is made with an inner toothing, and the axis 13 of the intermediate gear 17 is installed in the transmission case 14 parallel to the axis Oh of the transmission and is the supporting element of the drive and transmission in General.

As a special case execution, drive additional supporting wheels 11 contains a bevel gear wheel, with the axle intermediate the Olsen installed in the housing 14 of the transmission angle, including right angle, to the axis line o-O of the transmission and is the supporting element of the drive and transmission in General.

The transmission contains a free-wheeling mechanism 24, one link of which is connected to the housing 14 of the transmission, and another link with the planet carrier 5 via connecting element 25 with capability of rotation were taken only in the direction of rotation of the input shaft 1.

As a special case of execution, the main satellite is made of a conical toothed wheels, which are simultaneously in engagement leading 3 and slave 4 wheel with gear ratio between them is equal to one.

The transfer works as follows.

During the rotation of the input shaft 1 with a sprocket wheel 3 and the stationary output shaft 2 to the driven wheel 4 in connection with the attached to the output shaft of the load or the beginning of the rotation from a stationary position the drive wheel causes the rotation is on the engagement of the inner wheel 6 of the main satellite and interlocked with him outside rear wheel 7 of the main satellite, which rolls on a fixed slave wheel and engages drove 5 with its radial axes in rotation around the axis line o-O of the transfer in the direction of rotation of the drive wheel 3. When the rotation of the carrier 5 is placed on its radial axes additional 8 and 9 auxiliary satellites roll is by being with them in engagement sootvetstvenno additional 11 and 10 auxiliary supporting wheels. Auxiliary support wheel 10 when it is stationary, since it is their drive with a fixed output shaft 2. In this regard, the rotational speed of the auxiliary satellite 9 on the radial axis of the carrier 5 will depend on when this mode works only on the frequency of rotation of the carrier around the axis line o-O of the transfer.

Additional support wheel 11 in all modes of transmission will rotate with greater frequency in comparison with the input shaft 1 with a sprocket wheel 3 in the opposite direction compared with the rotation of the carrier. In this regard, which is in mesh with an additional support wheel additional 8 satellite will rotate on the radial axis was taken with this mode of operation with the maximum frequency.

Simultaneous rotation of all of the satellites 6, 7, 8, 9, performs the function of a massive flywheel, around two intersecting lines of the axis Oh of the transmission and1-O1the radial axes of the carrier 5 is equivalent to their rotation with respect to the Central point O1the intersection of these lines to the axes. It is known that the rotating body has a certain angular momentum, which is manifested with the observance of fundamental physical law of conservation, according to which the angular momentum can only be changed under the action of external forces. It is also known that the moment the number is the amount of motion in bodies ' rotation about a point is a vector quantity. When the above rotation of the satellites with respect to the Central point O1the vectors of their moments of momentum constantly change their direction. Actions on vectors reflect the appropriate actions on vector quantities (see “technical dictionary” edited Awesonme, second edition. M: Soviet encyclopedia, 1980, page 73/1).

From this it follows that the manifestation of the law of conservation of angular momentum in relation to all massive satellites counteracts the rotation of the carrier 5 around the axis line o-O of the transfer. In this regard, the carrier and its radial axis are the backbone for transmission of torque from the drive wheel 3 through the power wheels 6, 7 of the main satellites to the follower wheel 4 and further to the output shaft 2.

As described above, with a stationary output shaft 2 all satellites 6, 7, 8, 9 perform the rotation about the center point O1including additional satellite 8 and the main satellite 6, 7 with the maximum frequency. Consequently, the amount of counter-rotation of the carrier 5 around the axis line o-O of the transfer will also be the maximum that will ensure that the condition of the transmission output shaft maximum value of torque, which depends from the total gear ratio in the gearing of the two pairs of wheels of the Vedas is the future of the wheels 3, inner wheel 6 of the main satellite and the outer wheel 7 of the main satellite, the driven wheel 4. This permits the operation of the engine when stationary output shaft.

External supports to counteract the rotation of the carrier and ensure the transmission of torque with a certain value from the input shaft to the output shaft are eventually installed in the housing 14 of the transmission reference axis 13 and 19 additional drives 11 and 10 auxiliary support wheels, which determine the nature of the layout of all elements of the transmission and the possibility of their operation to achieve the objectives of the invention. Crucial for this is that the magnitude of the torque in the transmission can be changed only in the presence of external support, which does not coincide with the axis line of transmission that is provided in this case by applying the reference axes 13 and 19.

Under the action of the maximum magnitude of the torque applied to the output shaft 2, it starts to rotate in the opposite direction compared with the input shaft 1. This slows down the rotation of the carrier 5 around the axis line o-O of the transfer with simultaneous slowing of the rotation of the main 6, 7, and additional 8 satellites on the radial axes of the carrier 5 and, respectively, and to decrease the speed specified with the of Tellico with respect to the Central point O 1. Therefore, increasing the frequency of rotation of the output shaft 2 of the main and additional satellites to ensure the transmission of torque is also reduced to the same extent. This ensures that the automaticity converting the transmitted torque depending on the load on the output shaft.

However, increasing the frequency of rotation of the output shaft 2 speed auxiliary satellite 9 on the radial axis of the led increases. This is because the auxiliary drive wheels 10 provides its rotation with greater frequency compared with the frequency of rotation of the driven wheel 4 and output shaft 2 around the axis line o-O of the transfer. It also promotes the rotation of the auxiliary supporting wheels 10 and drove 5 with its radial axes in mutually opposite directions.

When the maximum rotational speed of the driven wheel 4 and output shaft 2 took 5 still. However, while it includes a braking torque transmitting torque to the slave sprocket and the driven shaft. This is because additional 8 and 9 auxiliary satellites revolve on radial axes drove in all modes of transmission, including auxiliary satellite with a stationary drive rod rotates on its OS the maximum frequency.

The stability of the carrier 5 in a stationary state, and his opposition to the rotation around the axis line o-O of the transmission is ensured by the fact that even small it turns there is a change of direction vectors of the moments of momentum of the primary, secondary and auxiliary satellites with the manifestation of the law of conservation of angular momentum.

The advantage of the described transmission over the known automatic continuously variable mechanical transmission is that as you increase the frequency of rotation of the output shaft 2 speed auxiliary satellite 9 on the radial axis of the carrier 5 and with respect to the Central point O1also increases, which increases the reliability and efficiency of transmission for converting the transmitted torque and the rotational speed of the output shaft depending on the applied load.

Technical transmission characteristics are determined by the ratios of all pairs of gear wheels that are included in its composition, and mass of all satellites and correlations between different satellites in the size of these masses, performing the functions of the flywheel and inertial loads.

The nature of the work transfer in the presence in its composition of two radial axes drove 5 or two pairs of perpendicular between the radial axes in the present, as such, when different number of satellites on these axes will be the same.

If you want to transfer torque and rotation from the output shaft 2 to the input shaft 1 for inhibiting production machine, the engine stops. Under the influence of rotating the output shaft is the closure of the free wheel mechanism 24 that transfers rotation of the input shaft and further to the engine providing the counter-rotation of the output shaft. It also provides the ability to start the engine by towing the working machine.

1. Automatic continuously variable mechanical transmission containing the input and output shafts are fitted to the toothed conical Central master and slave wheel and placed on the input or output shaft rotatably drove with a radial axis relative to the line of the axis of transmission, which are rotatably primary, secondary and auxiliary satellites, the main satellite is made of two interlocked between a conical toothed wheel inward and outward relative to the axis of the transmission, one of which is engaged with the sprocket wheel and the other wheel with a driven wheel, auxiliary satellite is put into engagement with the toothed conical Central auxiliary oporn the m wheel, additional satellite is in engagement with the toothed conical Central additional support wheel mounted on the floor of an additional intermediate shaft which is mounted coaxially with the input shaft for rotation relative to the shaft and is connected with the input shaft via drive additional support wheel containing gears and the reference axis, which is accommodated in the housing of the transmission parallel to the axis of the transmission, drove placed between the leading and trailing wheels, and the satellites are given additional weight and they are placed on radial axes were taken with independently from each other in rotation, characterized in that the actuator additional support wheel includes three sequentially siteplease gears, the first of which is fixed to the input shaft, a second wheel mounted on an additional intermediate shaft, a third wheel mounted on the reference axis and is intermediate between the first and second wheels, the drive provides additional support rotation of the wheel in the opposite direction to the direction of rotation of the carrier and input shaft, an auxiliary wheel mounted on the auxiliary intermediate shaft, coaxial with the output shaft for rotation relative to this VA is a and specified supporting the intermediate shaft is connected with the output shaft by means of the auxiliary drive wheels, containing bevel gears and the reference axis, is placed in the case of parallel transmission output shaft, two wheels of the drive attached to the specified reference axis and brought into engagement separately with wheels, mounted respectively on the output shaft and supporting the intermediate shaft with the formation of pairs of wheels, and these pairs of wheels allow rotation of the auxiliary wheel in the opposite direction to the direction of rotation was taken.

2. Transmission according to claim 1, characterized in that the satellites are made with solid rims or rigidly coaxially connected with massive flywheels and simultaneously with the transmission of torques and rotational movements also perform the functions of the inertial loads in the form of a flywheel.

3. Transmission according to claim 1, characterized in that the axis line of the transmission line radial axes drove intersect at one Central point.

4. Transmission according to claim 1, characterized in that as a special case execution it contains one main, supplementary and auxiliary satellite to the location of their total center of mass on the axis of the transmission.

5. Transmission according to claim 1, characterized in that as a special case execution it contains two main, additional and auxiliary satellites, each of which is placed symmetrically to the line axis is peredachi on the respective radial axes were taken.

6. Transmission according to claim 1, characterized in that as a special case execution it contains two placed on one diametrical line of the axis of the carrier, each of which can independently from each other, the rotation is placed in the possible different combinations of the basic, additional and auxiliary satellites.

7. Transmission according to claim 1, characterized in that as a special case execution drove contains two pairs of perpendicular axes and each of these pairs of radial axes placed independently from each other, rotation, respectively, primary, or secondary, or auxiliary satellites in different combinations.

8. Transmission according to claim 1, characterized in that as a special case of the complete drive additional support wheel comprises a cylindrical toothed wheels, one of which is made with an inner toothing, and the axis of the intermediate gear mounted in the housing of the transmission parallel to the axis of the transmission and is the supporting element of the drive.

9. Transmission according to claim 1, characterized in that as a special case of the complete drive additional support wheel contains a bevel gear wheel, with the axle intermediate the wheels are positioned in the housing of the transmission angle, including a right angle to the axis of the transmission and is the supporting element of the drive.

10. Transmission according to claim 1, characterized in that it is equipped with a free wheel mechanism, one link of which is connected to the housing of the transmission, and another link with the planet carrier with capability of rotation were taken only in the direction of rotation of the input shaft.



 

Same patents:

FIELD: mechanical engineering; automotive industry; machine-tool building.

SUBSTANCE: proposed transmission contains carrier 1 with main planet pinions 6, 7 and additional planet pinion 9, driving central wheel 2 and driven central wheel 3, support wheel 8, input shaft 4 and output shaft 5. Solid planet pinions can play the part of flywheels. Support wheel 8 is secured on hollow intermediate shaft 10 coaxial to input shaft and is coupled with drive of support wheel 8 consisting of three gear wheels 11, 12 and 13. Wheel 13 is intermediate one, being placed between said two wheels, and its axle 14 is installed in transmission housing 15. Two radial axles of carrier 1 are located on one line of axes 01-01 and they carry main and additional planet pinions installed for independent rotation in opposite directions. Line of axis 0-0 of transmission and lines of radial axes 01-01 of carrier intersect in central point 01 relative to which planet pinions rotate.

EFFECT: simplified design, reduced mass of transmission, provision of possibility of automatically changing of torque depending on load on output shaft.

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7 cl, 1 dwg

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EFFECT: simplified design and reduced labor consumption in manufacturing.

5 cl, 1 dwg

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The invention relates to mechanical engineering and can be used in power transmission machines and mechanisms

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Inertial variable // 2199043
The invention relates to mechanical engineering, in particular to the drive mechanism with a variable number of revolutions, in which the rate of rotation of the driven element can be automatically changed relative to the speed of rotation of a driving element when the load changes

The invention relates to the field of engineering

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The invention relates to the field of engineering

FIELD: mechanical engineering; automotive industry; machine-tool building.

SUBSTANCE: proposed transmission contains carrier 1 with main planet pinions 6, 7 and additional planet pinion 9, driving central wheel 2 and driven central wheel 3, support wheel 8, input shaft 4 and output shaft 5. Solid planet pinions can play the part of flywheels. Support wheel 8 is secured on hollow intermediate shaft 10 coaxial to input shaft and is coupled with drive of support wheel 8 consisting of three gear wheels 11, 12 and 13. Wheel 13 is intermediate one, being placed between said two wheels, and its axle 14 is installed in transmission housing 15. Two radial axles of carrier 1 are located on one line of axes 01-01 and they carry main and additional planet pinions installed for independent rotation in opposite directions. Line of axis 0-0 of transmission and lines of radial axes 01-01 of carrier intersect in central point 01 relative to which planet pinions rotate.

EFFECT: simplified design, reduced mass of transmission, provision of possibility of automatically changing of torque depending on load on output shaft.

7 cl, 2 dwg

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EFFECT: enhanced efficiency.

7 cl, 1 dwg

FIELD: mechanical engineering.

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EFFECT: simplified design and reduced labor consumption in manufacturing.

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The invention relates to the field of engineering

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SUBSTANCE: transmission comprises housing (1), axially aligned driving (2) and driven (3) shafts, driving (4) and driven (5) central gear wheels, central conical thrust gear wheel (10), carrier (6) with radial axles provided with main satellites (7) and (8) and additional satellites (9), bearing shaft (11) with two cylindrical gear wheels (12) and (13), and intermediate shaft (16). Driving wheel (4), driven wheel (5), and two main satellites (7) and (8) are made of cylindrical gear wheels. Driving wheel (4) and driven wheel (5) are arranged on opposite sides of radial axles of carrier (6). The two wheels of main satellites (7) and (8) are rigidly interconnected through shaft (17) of main satellites to form a single unit. The unit is mounted for permitting rotation on one of the axles of carrier (6) parallel to the axis of the transmission.

EFFECT: simplified design and reduced labor consumption in manufacturing.

5 cl, 1 dwg

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