Constant-velocity universal joint for helicopter rotor

FIELD: aircraft engineering.

SUBSTANCE: invention relates to aircraft engineering, particularly, to designs of propellers hubs on universal link. Constant-velocity universal joint consists of two concentric rings (5A and 5B), wherein first inner ring (5A) has rotary connection with driver (3) two opposite pins (31) connected with transmission shaft (1). Second outer ring (5B) has rotary connection with hub (2) two opposite pins (22). Two concentric rings are also mutually connected by pair of articulated opposite pins (542) at angle of 90° relative to pins (31) connected with transmission shaft, and relative to hub pins (22), which common axis (CA) is stably maintained in plane, called homokinetic, dividing angle between hub (2) axis of rotation and transmission shaft (1) axis of rotation in halves, by means of at least one or two devices (6). At that, bisectors are connected with transmission shaft and with hub.

EFFECT: enabling continuous transmission of rotational movement between transmission shaft (1) and said hub (2), to which blades (7) are attached regardless of hub angle of inclination relative to driving shaft.

10 cl, 12 dwg

 



 

Same patents:

FIELD: machine building.

SUBSTANCE: invention relates to devices transferring rotation between shafts, that can make flat angular displacement relatively to each other, including during rotation, and can be used in the machine building. The hinge joint of equal angular speeds contains drive shaft (1) installed in the casing (2) and connected with pinion carrier (H) of the planetary gear. The satellite gears (3)of the pinion carrier (H) enter in the engagement with central tooth-wheels (4, 5) free installed on the shaft (1) and having additional toothed rim (6, 7). The wheel (4) by its rim (6) engages at right angle with intermediate tooth-wheel (8) that by its additional toothed rim (9) or directly engages at right or other angle with the tooth wheel (10) of the driven shaft (11). Shaft (11) is on trunnion (12). The rotating shaft (13) of the trunnion (12) is installed in the casing (2) at right angle to the shaft (1) and at right or another angle to the shaft (11). On the shaft (11) the wheel (8) and tooth wheel (14) engaged with the rim (7) of the wheel (5) of the planetary gear are located, at that the wheel (8) is free installed on the shaft (13), and trunnion (12) and wheel (14) are installed rigidly. Gear ratio of the tooth wheels of the specified hinge joint are equal to. Between rim (6) and wheel (8) - u=1, between wheel (14) and rim (7) - u=1, between wheel (5) and wheel (4) at fixed pinion carrier (H) - u=1, between rim (9) and wheel (10) of the shaft (11) - u=2.

EFFECT: designing of the device for connection of shafts transferring rotation with high speed, ensuring for shaft axes unlimited flat angular displacement relatively to each other, without change of position of angular displacement axis, without dependence of load of hinge joint assemblies and angular displacement of shafts, with possibility of use for drive controlled vehicle axle.

4 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: invention relates to mechanisms of cardan joint type and can be used in the drives of cars and other vehicles for the uniform transmission of rotation between shafts. A pivot joint of equal angular velocities comprises a driving (1) shaft and a driven (2) shaft with yokes at the ends having identical dimensions, two parts symmetrical in respect to the shaft (1, 2) axis, flat parallel surfaces specifying the yoke thickness h, an external base, grooves with inner surfaces perpendicular to the outer surfaces, with a rectilinear section and a section in the form of a circular arc of q radius being equal to half the yoke groove width, a backup centring element (3) with two annular mutually perpendicular grooves of equal size and rectangular profile, the width of element (3) grooves is equal to the yoke thickness h. Side surfaces of the element (3) grooves are symmetrical in relation to two mutually perpendicular symmetry planes whose intersection line passes through the element (3) centre. Surfaces limiting the geometrical shape of the element (3) grooves' bases are the intersection of surfaces of two cylinders with radius q, whose axes are mutually perpendicular, pass through the element (3) centre and are perpendicular to the respective symmetry plane each. Surface limiting the geometrical shape of the element (3) is the intersection of the surface of a sphere with radius R whose centre coincides with the centre of the element (3), surfaces of two cylinders with radius r, (R2-0.9h2)1/2≤r≤(R2-0.3h2)1/2, axes of cylinders with radius r coincide with the axes of cylinders with radius q, and two secant planes which are parallel to the plane formed by the axes of cylinder with radiuses r and q and are symmetrically distanced from it by 0.80 - 0.98 r. The yokes of the shafts (1, 2) enter the grooves of the element (3) from opposite sides and form a detachable pivot joint providing for rotation transmission angle of more than 30°.

EFFECT: improved performance reliability of a cardan pivot joint of equal angular velocities.

2 dwg

FIELD: machine building.

SUBSTANCE: invention relates to machine building, namely to spherical devices of Hooke's joint type or double Cardan joint type and can be used as an analogue of a pivot joint of equal angular velocities as well as a substitute for a pivot joint of unequal angular velocities in the drives of tractors and mini-tractors, cars and other vehicles, other machines and mechanisms for rotation transmission between shafts. A pivot joint comprises a driving (1) shaft and a driven shaft with yokes (3) at the ends having identical dimensions, two parts symmetrical in respect to the shaft axis, flat parallel supporting surfaces specifying the yoke (3) thickness h, a slot with inner surfaces perpendicular to the supporting surfaces, with a rectilinear section with width q 2h≤q≤2.3h, and a section in the form of a circular arc of 0.5q radius, and grooves (4) on the supporting surfaces with the width of 0.1-0.15q and depth of 0.02-0.15q, the centrelines of the grooves (4) are equidistanced by 0.2-0.3q from the lines of intersection of the supporting surfaces with the inner surfaces of the yoke (3) slot, a collar (5) at the yoke (3) base of continuous annular form with its surface on the opposite side being perpendicular to the shaft axis, a supporting centring ball (6) with radius R, 0.9q≤R≤1.2q, with two annular mutually perpendicular slots of rectangular profile with the width h. Surfaces of the ball (6) slots' bases are the intersection of surfaces of two cylinders with radius 0.5q, whose axes are mutually perpendicular, pass through the ball (6) centre and are perpendicular to the respective symmetry plane each, and are with two through holes (7) of radius 0.08-0.15h whose axes coincide with the axes of the cylinders. The yokes (3) enter the slots of the ball (3) from opposite sides and form a detachable pivot joint providing for rotation transmission angle of more than 30°.

EFFECT: increased performance reliability of pivot joint mechanism.

3 dwg

FIELD: machine building.

SUBSTANCE: pivot joint consists of an outer (2) and an inner (4) races, balls (3) and a separator, a shaft (5) of the inner (4) race is fixed in it longitudinally and movably by splines, keys, balls or rollers. The second version implies that the outer (2) race is fixed longitudinally and movably in a sleeve (1) connected to the working shaft. Fixation is carried out with the help of splines, keys, balls or rollers. The keys can be round, and the balls can be fitted with separators, in particular, made as insertions from antifriction material, for example, fluoroplastic or bronze. The rollers can also be fitted with separators made as insertions from antifriction material or separators made as a plate with rectangular openings.

EFFECT: increase of service life for a pivot joint of equal angular velocities with longitudinally movable races by several times.

7 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: cardan joint of equal angular velocities of torque consists of driving link (1) connected to first cross piece (3) by means of joint axis (7) perpendicular to rotation axis (5) of link (1), of driven link (2) connected to second cross piece (4) with joint axis (8) perpendicular to rotation axis (6) of link (2) so, that joint axes (7, 8) of links (1, 2) are positioned in same plane. Link (1) is tied with link (2); also, links (1, 2) rotate at different angular velocities. The joint imposes additional bind on cross pieces (3, 4) and also adjusts and maintains rotation of cross pieces (3, 4) around axis - bisector of angle (€) of mutual deviation from coaxiality of links (1, 2) by means of additional dynamic bind from centrifugal forces effecting cross pieces (3, 4) and binds of joint connections along axes (7, 8, 10) of all four movable links (1, 2, 3 and 4) united in a five-link spherical mechanism including cross-pieces (3, 4) each having a pair of orifices and a pair of journals. Cross pieces (3, 4) are interconnected along common axis (10) perpendicular to axis (7) of orifices of driving link (1) and to axis (8) of journals (13) of link (2). Link (2) is made T-like in form of a rod with journals (13) of joint connection with cross piece (4).

EFFECT: increased angle of mutual deviation of driving and driven links, simplification of device and reduced length of cardan joint of equal angular velocities.

2 cl, 11 dwg

FIELD: machine building.

SUBSTANCE: invention refers to facilities of torque transfer under conditions of angular arrangement of axles of connected shafts, while angular velocities of rotation of driving and driven shafts should coincide. The invention can be implemented in drives of machines. The hinge of equal angular velocities consists of two half-couplings (1) and (2) and axle (3). Half-couplings (1) and (2) are joined with connected shafts (4) and (5) and interact. Half-coupling (1) has external and internal spherical coaxial surfaces, while half-coupling (2) has external spherical surface. Axle (3) passes through cross bar (6), ends of which are tied with both half-couplings (1) and (2) by means of hinged bearings (7) installed in openings (8) of half-couplings (1) and (2). At the ends of the axle (3) there are installed internal and external insertions correspondingly (9) and (10) interacting by their end surfaces with end working surfaces of slots of half-couplings (1) and (2) wherein they are installed. Movable guide (11) is set in the middle part of axle (3) in the place of cross bar (6) location. Guide (11) has an opening of circular cross section, where through there passes axle (3), and external profile of rectangular section with a slot for installation of cross bar (6). Guide (11) is mounted on axle (3), while cross bar (6) is installed in guide (11) to travel lengthwise.

EFFECT: hinge of equal angular velocities of simple design with high torque transmission.

8 dwg

FIELD: mechanical engineering.

SUBSTANCE: invention relates to clutches providing rotation of shafts at angles relative to each other, particularly, to constant-velocity universal joints. Proposed joint consists of two flanges with levers with ball joint on end which connects levers of two flanges into pairs. Planes of rocking of at least two ball joints of each flanges pass through axis of its shaft and do not coincide. Lever joint is provided with stop of angular displacement of levers in direction to center up to angle greater than self braking angle of ball joint. Levers are spring-loaded in direction from center on angular section greater than angle of self-braking of ball joint. Axle of lever lies in diametral plane being common for two levers pointed to different sides. If number of axles exceeds one, levers of different axles are bent to different sides.

EFFECT: increased service life of joint.

6 cl, 3 dwg

Double joint // 2303719

FIELD: transport engineering.

SUBSTANCE: invention relates to constant-velocity universal joints. According to one design version, said double joint consists of two yokes and cross and additional intermediate part. Said part two eyes connected with joint cross and two pins connected with yoke of one shaft, and it has two axes of rotation, one of which is common with axis of cross. Additional intermediate part is provided with angular symmetry adjustment mechanism made to provide positioning of said axis of cross at similar angles relative to driving and driven shafts. Said angular symmetry adjustment mechanism can be in form of guide coaxial to axis of additional intermediate part, articulated slider or sliders on said part, hinge-connected by levers with driving and driven shafts, points of attachment of hinge joints on shafts are equally spaced from center on joint. Angular symmetry adjustment mechanism can be made in from of four or more spur gear wheels, first and second of which are of equal size and are secured, one, fixed on one yoke and coaxially to its axis and second, sliding, at the same axis, being coupled by ring guide with second yoke in plane of said toke. Third and fourth gear wheels are of relatively equal size, being arranged at axis of additional intermediate part and in series-connected with first and second gear wheels. Angular symmetry adjustment mechanism can be made in form of three or more bevel gear wheels, two of which are of equal size and are secured, one, fixed, on one yoke and coaxially to its axis, and second, sliding, at the same axis and is coupled by ring guide with second yoke in plane of this yoke, and third bevel gear wheel is secured on axle of additional intermediate part for engagement with two first gear wheels. According to other design version, double joint consists of two Hooke's joints and has hollow telescopic propeller shaft, and driving and driven shafts are connected by inner ball joint arranged at equal distance from both crosses. Cross or crosses of joint can be made in form of ring.

EFFECT: increased service life of constant-velocity universal joints.

6 cl, 10 dwg

Clutch // 2292494

FIELD: mechanical engineering.

SUBSTANCE: clutch comprises input axle, output axle, control mechanism, and U-shaped yoke of the output axle. The output axle is provided with the pin secured to one arm of the yoke. The axis of the control pin is placed in the plane formed by the output axle and axis defined by the pins of the jaw of the output axle and intersects the geometrical center of the clutch. The output axle has projection provided with control pin. The axis of the control pin of the input shaft is placed in the plane defined by input axle and axis of rotation of the projection and intersects the geometrical center of the clutch. The control mechanism is made for permitting locking the clutch members.

EFFECT: prolonged service life.

71 cl, 103 dwg

The invention relates to mechanical engineering and can be used for the connection of shafts of machines and mechanisms, transmitting torque in a changing angles between the shafts at equal angular velocities

FIELD: aircraft engineering.

SUBSTANCE: invention relates to aircraft engineering, particularly, to designs of propellers hubs on universal link. Constant-velocity universal joint consists of two concentric rings (5A and 5B), wherein first inner ring (5A) has rotary connection with driver (3) two opposite pins (31) connected with transmission shaft (1). Second outer ring (5B) has rotary connection with hub (2) two opposite pins (22). Two concentric rings are also mutually connected by pair of articulated opposite pins (542) at angle of 90° relative to pins (31) connected with transmission shaft, and relative to hub pins (22), which common axis (CA) is stably maintained in plane, called homokinetic, dividing angle between hub (2) axis of rotation and transmission shaft (1) axis of rotation in halves, by means of at least one or two devices (6). At that, bisectors are connected with transmission shaft and with hub.

EFFECT: enabling continuous transmission of rotational movement between transmission shaft (1) and said hub (2), to which blades (7) are attached regardless of hub angle of inclination relative to driving shaft.

10 cl, 12 dwg

Clutch // 2292494

FIELD: mechanical engineering.

SUBSTANCE: clutch comprises input axle, output axle, control mechanism, and U-shaped yoke of the output axle. The output axle is provided with the pin secured to one arm of the yoke. The axis of the control pin is placed in the plane formed by the output axle and axis defined by the pins of the jaw of the output axle and intersects the geometrical center of the clutch. The output axle has projection provided with control pin. The axis of the control pin of the input shaft is placed in the plane defined by input axle and axis of rotation of the projection and intersects the geometrical center of the clutch. The control mechanism is made for permitting locking the clutch members.

EFFECT: prolonged service life.

71 cl, 103 dwg

Double joint // 2303719

FIELD: transport engineering.

SUBSTANCE: invention relates to constant-velocity universal joints. According to one design version, said double joint consists of two yokes and cross and additional intermediate part. Said part two eyes connected with joint cross and two pins connected with yoke of one shaft, and it has two axes of rotation, one of which is common with axis of cross. Additional intermediate part is provided with angular symmetry adjustment mechanism made to provide positioning of said axis of cross at similar angles relative to driving and driven shafts. Said angular symmetry adjustment mechanism can be in form of guide coaxial to axis of additional intermediate part, articulated slider or sliders on said part, hinge-connected by levers with driving and driven shafts, points of attachment of hinge joints on shafts are equally spaced from center on joint. Angular symmetry adjustment mechanism can be made in from of four or more spur gear wheels, first and second of which are of equal size and are secured, one, fixed on one yoke and coaxially to its axis and second, sliding, at the same axis, being coupled by ring guide with second yoke in plane of said toke. Third and fourth gear wheels are of relatively equal size, being arranged at axis of additional intermediate part and in series-connected with first and second gear wheels. Angular symmetry adjustment mechanism can be made in form of three or more bevel gear wheels, two of which are of equal size and are secured, one, fixed, on one yoke and coaxially to its axis, and second, sliding, at the same axis and is coupled by ring guide with second yoke in plane of this yoke, and third bevel gear wheel is secured on axle of additional intermediate part for engagement with two first gear wheels. According to other design version, double joint consists of two Hooke's joints and has hollow telescopic propeller shaft, and driving and driven shafts are connected by inner ball joint arranged at equal distance from both crosses. Cross or crosses of joint can be made in form of ring.

EFFECT: increased service life of constant-velocity universal joints.

6 cl, 10 dwg

FIELD: mechanical engineering.

SUBSTANCE: invention relates to clutches providing rotation of shafts at angles relative to each other, particularly, to constant-velocity universal joints. Proposed joint consists of two flanges with levers with ball joint on end which connects levers of two flanges into pairs. Planes of rocking of at least two ball joints of each flanges pass through axis of its shaft and do not coincide. Lever joint is provided with stop of angular displacement of levers in direction to center up to angle greater than self braking angle of ball joint. Levers are spring-loaded in direction from center on angular section greater than angle of self-braking of ball joint. Axle of lever lies in diametral plane being common for two levers pointed to different sides. If number of axles exceeds one, levers of different axles are bent to different sides.

EFFECT: increased service life of joint.

6 cl, 3 dwg

FIELD: machine building.

SUBSTANCE: invention refers to facilities of torque transfer under conditions of angular arrangement of axles of connected shafts, while angular velocities of rotation of driving and driven shafts should coincide. The invention can be implemented in drives of machines. The hinge of equal angular velocities consists of two half-couplings (1) and (2) and axle (3). Half-couplings (1) and (2) are joined with connected shafts (4) and (5) and interact. Half-coupling (1) has external and internal spherical coaxial surfaces, while half-coupling (2) has external spherical surface. Axle (3) passes through cross bar (6), ends of which are tied with both half-couplings (1) and (2) by means of hinged bearings (7) installed in openings (8) of half-couplings (1) and (2). At the ends of the axle (3) there are installed internal and external insertions correspondingly (9) and (10) interacting by their end surfaces with end working surfaces of slots of half-couplings (1) and (2) wherein they are installed. Movable guide (11) is set in the middle part of axle (3) in the place of cross bar (6) location. Guide (11) has an opening of circular cross section, where through there passes axle (3), and external profile of rectangular section with a slot for installation of cross bar (6). Guide (11) is mounted on axle (3), while cross bar (6) is installed in guide (11) to travel lengthwise.

EFFECT: hinge of equal angular velocities of simple design with high torque transmission.

8 dwg

FIELD: machine building.

SUBSTANCE: cardan joint of equal angular velocities of torque consists of driving link (1) connected to first cross piece (3) by means of joint axis (7) perpendicular to rotation axis (5) of link (1), of driven link (2) connected to second cross piece (4) with joint axis (8) perpendicular to rotation axis (6) of link (2) so, that joint axes (7, 8) of links (1, 2) are positioned in same plane. Link (1) is tied with link (2); also, links (1, 2) rotate at different angular velocities. The joint imposes additional bind on cross pieces (3, 4) and also adjusts and maintains rotation of cross pieces (3, 4) around axis - bisector of angle (€) of mutual deviation from coaxiality of links (1, 2) by means of additional dynamic bind from centrifugal forces effecting cross pieces (3, 4) and binds of joint connections along axes (7, 8, 10) of all four movable links (1, 2, 3 and 4) united in a five-link spherical mechanism including cross-pieces (3, 4) each having a pair of orifices and a pair of journals. Cross pieces (3, 4) are interconnected along common axis (10) perpendicular to axis (7) of orifices of driving link (1) and to axis (8) of journals (13) of link (2). Link (2) is made T-like in form of a rod with journals (13) of joint connection with cross piece (4).

EFFECT: increased angle of mutual deviation of driving and driven links, simplification of device and reduced length of cardan joint of equal angular velocities.

2 cl, 11 dwg

FIELD: machine building.

SUBSTANCE: pivot joint consists of an outer (2) and an inner (4) races, balls (3) and a separator, a shaft (5) of the inner (4) race is fixed in it longitudinally and movably by splines, keys, balls or rollers. The second version implies that the outer (2) race is fixed longitudinally and movably in a sleeve (1) connected to the working shaft. Fixation is carried out with the help of splines, keys, balls or rollers. The keys can be round, and the balls can be fitted with separators, in particular, made as insertions from antifriction material, for example, fluoroplastic or bronze. The rollers can also be fitted with separators made as insertions from antifriction material or separators made as a plate with rectangular openings.

EFFECT: increase of service life for a pivot joint of equal angular velocities with longitudinally movable races by several times.

7 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: invention relates to machine building, namely to spherical devices of Hooke's joint type or double Cardan joint type and can be used as an analogue of a pivot joint of equal angular velocities as well as a substitute for a pivot joint of unequal angular velocities in the drives of tractors and mini-tractors, cars and other vehicles, other machines and mechanisms for rotation transmission between shafts. A pivot joint comprises a driving (1) shaft and a driven shaft with yokes (3) at the ends having identical dimensions, two parts symmetrical in respect to the shaft axis, flat parallel supporting surfaces specifying the yoke (3) thickness h, a slot with inner surfaces perpendicular to the supporting surfaces, with a rectilinear section with width q 2h≤q≤2.3h, and a section in the form of a circular arc of 0.5q radius, and grooves (4) on the supporting surfaces with the width of 0.1-0.15q and depth of 0.02-0.15q, the centrelines of the grooves (4) are equidistanced by 0.2-0.3q from the lines of intersection of the supporting surfaces with the inner surfaces of the yoke (3) slot, a collar (5) at the yoke (3) base of continuous annular form with its surface on the opposite side being perpendicular to the shaft axis, a supporting centring ball (6) with radius R, 0.9q≤R≤1.2q, with two annular mutually perpendicular slots of rectangular profile with the width h. Surfaces of the ball (6) slots' bases are the intersection of surfaces of two cylinders with radius 0.5q, whose axes are mutually perpendicular, pass through the ball (6) centre and are perpendicular to the respective symmetry plane each, and are with two through holes (7) of radius 0.08-0.15h whose axes coincide with the axes of the cylinders. The yokes (3) enter the slots of the ball (3) from opposite sides and form a detachable pivot joint providing for rotation transmission angle of more than 30°.

EFFECT: increased performance reliability of pivot joint mechanism.

3 dwg

FIELD: machine building.

SUBSTANCE: invention relates to mechanisms of cardan joint type and can be used in the drives of cars and other vehicles for the uniform transmission of rotation between shafts. A pivot joint of equal angular velocities comprises a driving (1) shaft and a driven (2) shaft with yokes at the ends having identical dimensions, two parts symmetrical in respect to the shaft (1, 2) axis, flat parallel surfaces specifying the yoke thickness h, an external base, grooves with inner surfaces perpendicular to the outer surfaces, with a rectilinear section and a section in the form of a circular arc of q radius being equal to half the yoke groove width, a backup centring element (3) with two annular mutually perpendicular grooves of equal size and rectangular profile, the width of element (3) grooves is equal to the yoke thickness h. Side surfaces of the element (3) grooves are symmetrical in relation to two mutually perpendicular symmetry planes whose intersection line passes through the element (3) centre. Surfaces limiting the geometrical shape of the element (3) grooves' bases are the intersection of surfaces of two cylinders with radius q, whose axes are mutually perpendicular, pass through the element (3) centre and are perpendicular to the respective symmetry plane each. Surface limiting the geometrical shape of the element (3) is the intersection of the surface of a sphere with radius R whose centre coincides with the centre of the element (3), surfaces of two cylinders with radius r, (R2-0.9h2)1/2≤r≤(R2-0.3h2)1/2, axes of cylinders with radius r coincide with the axes of cylinders with radius q, and two secant planes which are parallel to the plane formed by the axes of cylinder with radiuses r and q and are symmetrically distanced from it by 0.80 - 0.98 r. The yokes of the shafts (1, 2) enter the grooves of the element (3) from opposite sides and form a detachable pivot joint providing for rotation transmission angle of more than 30°.

EFFECT: improved performance reliability of a cardan pivot joint of equal angular velocities.

2 dwg

FIELD: machine building.

SUBSTANCE: invention relates to devices transferring rotation between shafts, that can make flat angular displacement relatively to each other, including during rotation, and can be used in the machine building. The hinge joint of equal angular speeds contains drive shaft (1) installed in the casing (2) and connected with pinion carrier (H) of the planetary gear. The satellite gears (3)of the pinion carrier (H) enter in the engagement with central tooth-wheels (4, 5) free installed on the shaft (1) and having additional toothed rim (6, 7). The wheel (4) by its rim (6) engages at right angle with intermediate tooth-wheel (8) that by its additional toothed rim (9) or directly engages at right or other angle with the tooth wheel (10) of the driven shaft (11). Shaft (11) is on trunnion (12). The rotating shaft (13) of the trunnion (12) is installed in the casing (2) at right angle to the shaft (1) and at right or another angle to the shaft (11). On the shaft (11) the wheel (8) and tooth wheel (14) engaged with the rim (7) of the wheel (5) of the planetary gear are located, at that the wheel (8) is free installed on the shaft (13), and trunnion (12) and wheel (14) are installed rigidly. Gear ratio of the tooth wheels of the specified hinge joint are equal to. Between rim (6) and wheel (8) - u=1, between wheel (14) and rim (7) - u=1, between wheel (5) and wheel (4) at fixed pinion carrier (H) - u=1, between rim (9) and wheel (10) of the shaft (11) - u=2.

EFFECT: designing of the device for connection of shafts transferring rotation with high speed, ensuring for shaft axes unlimited flat angular displacement relatively to each other, without change of position of angular displacement axis, without dependence of load of hinge joint assemblies and angular displacement of shafts, with possibility of use for drive controlled vehicle axle.

4 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: invention relates to articulated couplings. Synchronous coupling in form of five-link spherical mechanism comprises smaller and larger forks connected in series through smaller and larger cross-piece with hinges. Centrifugal force rotation spiders is retained in bisector plane the angle between axes of rotation of forks at coincidence of axes of pair of hinges of higher and lower yokes. Smaller cross-piece by pair of its pins is articulated with lower fork and other pair of pins is articulated with larger cross-piece. Larger cross-piece covers larger fork and has two pairs of holes for hinge bearings and with larger fork, and with lower crosspiece. Larger cross-piece can be made by oval frame, besides, holes for hinged connection with lower crosspiece are located in arc-like wall frame, and pins articulated with larger fork adjoin rectilinear wall frame.

EFFECT: simplified assembly.

4 cl, 11 dwg

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