RU99119198A - ROTATING TRANSFORMER - Google Patents
ROTATING TRANSFORMERInfo
- Publication number
- RU99119198A RU99119198A RU99119198/09A RU99119198A RU99119198A RU 99119198 A RU99119198 A RU 99119198A RU 99119198/09 A RU99119198/09 A RU 99119198/09A RU 99119198 A RU99119198 A RU 99119198A RU 99119198 A RU99119198 A RU 99119198A
- Authority
- RU
- Russia
- Prior art keywords
- rim
- cones
- consoles
- angle
- contact
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 claims 7
- 239000000463 material Substances 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 3
- 239000000969 carrier Substances 0.000 claims 3
- 239000010959 steel Substances 0.000 claims 3
- 238000005452 bending Methods 0.000 claims 2
- 239000004519 grease Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
Claims (7)
где ω - частота вращения выходного вала;
ω1 - частота вращения входного вала;
d1 и d'1 - диаметры ведущих катков;
d3 и d'3 - диаметры у полюсов качения на конусах в контакте с охватывающими ободьями;
d2 и d'2 - диаметры у полюсов качения на конусах в контакте с ведущими катками;
d4 и d'4 - внутренние диаметры охватывающих ободьев;
i - передаточное отношение трансформатора;
охватывающий обод планетарного вариатора имеет не менее трех стержней, закрепленных в ободе с ходовыми резьбами на концах, которые выступают за корпус трансформатора и на них установлены гайки за звездочками передачи, гайки удерживаются от осевого перемещения, что приводит при вращении гаек к осевому перемещению стержней с ободом по образующим конусов, т. е. к ручному изменению передаточного отношения.1. A torque transformer comprising a housing, input and output shafts, characterized in that it consists of two multi-threaded cone with elasto-friction gear variators, one of which is planetary on the input shaft side with a covering rim attached to the housing, and on the output side the shaft of the variator has a differential shape with a female rim connected to the output shaft; both variators have a common carrier with cones mounted on both sides; on the input shaft mounted on the bearing in the housing, two driving rollers with rims of elastic-friction transmission are fixed, and a carrier disk with fixed cones axes is mounted on the bearing between them, leading rollers are in contact with extreme groups of cones, and rims with elasto-friction are in contact with opposite groups of cones gears; the covering rim of the planetary variator has the possibility of axial movement along the grooves in the housing to the working length of the forming cones; the covering rim of the differential variator is in contact with the opposite group of cones and connected to the output shaft; with such a device of the transformer, the frequency of rotation of the output shaft is expressed by the formula
where ω is the frequency of rotation of the output shaft;
ω 1 - frequency of rotation of the input shaft;
d 1 and d ' 1 are the diameters of the drive rollers;
d 3 and d ' 3 - diameters at the poles of the rolling cones in contact with the surrounding rims;
d 2 and d ' 2 - diameters at the poles of the rolling cones in contact with the drive rollers;
d 4 and d ' 4 are the inner diameters of the enclosing rims;
i is the gear ratio of the transformer;
the covering rim of the planetary variator has at least three rods fixed in the rim with running threads at the ends that protrude beyond the transformer housing and the nuts are installed behind the transmission sprockets, the nuts are kept from axial movement, which leads to axial movement of the rods with the rim when the nuts rotate on the generators of the cones, i.e., to the manual change of the gear ratio.
где γ - угол наклона поверхностей канавок для шариков к основанию конуса;
μ - коэффициент трения между ободом и конусом;
α - угол при вершине конуса;
подшипники, установленные внутри конусов, должны обеспечивать малое осевое перемещение конусов и иметь хорошее уплотнение для предупреждения попадания смазки на рабочие поверхности.2. The torque transformer according to claim 1, characterized in that the carrier with cones has a disk mounted on a bearing on the input shaft between the drive rollers, cantilever axes fixed to the rim of the disk on both sides, inclined to the axis of the input shaft at an angle equal to half angle at the tops of the cones; on the axes on the bearings, cones are mounted with bases to each other so that the extreme inner generators of the extreme groups of cones and the outermost generators of the middle groups of cones become parallel to the axis of the input shaft and to each other; each group consists of six or more cones; the extreme groups of cones are in contact with the rims of the driving rollers, and the middle groups of cones are in contact with the surrounding rims; the enveloping rim of the planetary variator with the help of a manual drive can move along the generatrices of the cones, and the other enclosing rim is connected to the output shaft; between the bases of the cones, at least three spacer balls are installed in the grooves with inclined planes, through which the torque is transmitted and the forces of pressing the cones against the drive rollers and the rims, proportional to the transmitted moment, are created; the pressing force in the first and second stages of the transmission depends on the angle of inclination of the surface of the grooves for the balls to the base of the cone, this angle is determined by the formula
where γ is the angle of inclination of the surfaces of the grooves for the balls to the base of the cone;
μ is the coefficient of friction between the rim and the cone;
α is the angle at the apex of the cone;
bearings mounted inside the cones should provide a small axial movement of the cones and have a good seal to prevent grease from entering the work surfaces.
где ε - относительное упругое скольжение материала обода;
εг- относительное геометрическое скольжение в той же точке;
х - расстояние от полюса качения до расчетной точки;
α - угол при вершинах конусов;
d2 - диаметр на конусе у полюса качения;
сторона обода с наибольшим упругим скольжением расположена к основаниям контактирующих конусов; рабочая поверхность обода ведущего катка имеет коническую форму с максимальным диаметром у оснований конусов.3. The torque transformer according to claim 1, characterized in that the planetary speed variator drive roller has a metal hub and a rubber or other elastic material rim with variable elastic slip along the width of the rim, which is equal to the geometric slip at each point of the contact spot at the calculated torque and is determined by the formula
where ε is the relative elastic slip of the rim material;
ε g is the relative geometric slip at the same point;
x is the distance from the rolling pole to the design point;
α is the angle at the vertices of the cones;
d 2 - diameter on the cone at the rolling pole;
the rim side with the greatest elastic slip is located to the bases of the contacting cones; the working surface of the rim of the drive roller has a conical shape with a maximum diameter at the bases of the cones.
где ε1 - относительное упругое скольжение материала обода;
ε1г- относительное геометрическое скольжение в том же сечении;
х - расстояние от полюса качения до расчетного сечения;
α - угол при вершинах конусов;
d3 - диаметр на конусе у полюса качения с охватывающим ободом;
сторона обода с наибольшим упругим скольжением установлена в сторону вершин контактирующих конусов; внутренняя рабочая поверхность обода имеет коническую форму с минимальным диаметром, обращенным к вершинам конусов; на наружной поверхности охватывающего обода имеются равномерно расположенные выступы, которые входят в направляющие пазы корпуса, по которым перемещается обод в осевом направлении; в ободе имеется не менее трех отверстий для установки стержней механизма перемещения обода вручную.4. The torque transformer according to claim 1, characterized in that the covering rim of the planetary variator made of rubber or other elastic material has a variable elastic slip across the width of the rim equal to the geometric slip in each section of the contact spot during design operation, which is determined by according to the formula
where ε 1 is the relative elastic slip of the rim material;
ε 1g - relative geometric slip in the same section;
x is the distance from the rolling pole to the design section;
α is the angle at the vertices of the cones;
d 3 - diameter on the cone at the rolling pole with a covering rim;
the side of the rim with the greatest elastic slip is installed towards the vertices of the contacting cones; the inner working surface of the rim has a conical shape with a minimum diameter facing the tops of the cones; on the outer surface of the enclosing rim there are evenly spaced protrusions that enter into the guide grooves of the housing along which the rim moves axially; the rim has at least three holes for manually installing the rods of the rim movement mechanism.
где nк - число консолей в пятне контакта;
t - толщина консоли по окружности обода;
t1 - ширина промежутка между консолями по окружности обода;
b - ширина обода;
геометрическое скольжение изменяется в пятне контакта, для его компенсации изменяется стрела прогиба консолей, что достигается увеличение длины консолей по ширине обода; длина консоли определяется из равенства
ε1t+εx•tgβ•l = f
где ε1- относительное геометрическое скольжение у кромки обода;
t - толщина консоли по окружности обода;
εx- относительное геометрическое скольжение в сечении на расстоянии x от полюса качения;
β- угол наклона консоли к оси пятна контакта;
l - расстояние от кромки до расчетного сечения;
f - стрела прогиба консоли в расчетном сечении;
каток устанавливается короткой стороной консолей к основаниям контактирующих конусов.5. The torque transformer according to claim 1, characterized in that the drive roller of the differential variator has a rim made in the form of steel plate consoles of equal resistance to bending by tangential forces inclined to the axis of the contact spot at an angle that ensures uniform tangential elasticity of the rim around the entire circumference, determined by the angle of inclination of the working surfaces of the consoles to the axis of the contact spot and equal to the angle β
where n k is the number of consoles in the contact patch;
t is the thickness of the console around the circumference of the rim;
t 1 - the width of the gap between the consoles around the circumference of the rim;
b is the width of the rim;
the geometric slip changes in the contact spot, to compensate for it changes the arrow of the deflection of the consoles, which is achieved by increasing the length of the consoles along the width of the rim; console length is determined from the equality
ε 1 t + ε x • tgβ • l = f
where ε 1 is the relative geometric slip at the edge of the rim;
t is the thickness of the console around the circumference of the rim;
ε x is the relative geometric slip in the cross section at a distance x from the rolling pole;
β is the angle of inclination of the console to the axis of the contact spot;
l is the distance from the edge to the design section;
f - arrow deflection console in the design section;
the roller is mounted with the short side of the consoles to the bases of the contacting cones.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU99119198/09A RU2188973C2 (en) | 1999-09-01 | 1999-09-01 | Torque transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU99119198/09A RU2188973C2 (en) | 1999-09-01 | 1999-09-01 | Torque transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
RU99119198A true RU99119198A (en) | 2002-01-10 |
RU2188973C2 RU2188973C2 (en) | 2002-09-10 |
Family
ID=20224690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU99119198/09A RU2188973C2 (en) | 1999-09-01 | 1999-09-01 | Torque transformer |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2188973C2 (en) |
-
1999
- 1999-09-01 RU RU99119198/09A patent/RU2188973C2/en not_active IP Right Cessation
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