Embodiment 1:(is referring to accompanying drawing 1)
Multifunctional planetary speed reducer shown in Figure 1 mainly partly is made up of planetary gears, star-wheel transmission modification assembly, bevel gear pair three.Star-wheel transmission modification assembly is mainly by 1 internal gear, two planetary pinions, n rolling star-wheel, 1 hollow double-crank eccentric bushing, compositions such as 1 planet carrier and rolling bearing, internal gear [6] and front-end bearing pedestal [2], rear bearing block [10] also uses bolton on casing by internal gear cylindrical place screw for whole admittedly, two planetary structures are identical with technical parameter, and staggered 180 ° of whiles mesh with internal gear [6], planetary pinion [5] distribution circle DZ goes up a uniform n bearing hole, rolling bearing [7] on spider gear shaft [4] double-crank is inserted in this bearing hole, the center hole of planetary pinion [5] is sleeved on the cylindrical of bearing [21], the inner hole sleeve of two bearings [21] is contained on the double-crank of hollow eccentric bushing [18], uniform n perforation dx on the planetary pinion distribution circle Dx circumference, and hand over file to arrange with n bearing hole, pass perforation dx with n supporting axle [20], and with preceding supporting disk [3], back supporting disk [8] connects and is tightened to a whole planet carrier, whole planet carrier is supported in the endoporus of antero posterior axis bearing [2] and [10] by bearing [9], n root spider gear shaft [4] two ends shaft extension is inserted in (spider gear shaft [4] and top part are referred to as the rolling star-wheel) in the planet carrier n bearing hole by rolling bearing [7], the double-crank of the double-crank of hollow eccentric bushing [18] and spider gear shaft [4] should guarantee that throw of eccentric a value is consistent, eccentric bushing bearings at both ends [15] pack into before and after supporting disks [3] and [8] endoporus in; Star-wheel transmission modification assembly can make planetary gears (NGW transmission) into: with the double-crank on the hollow eccentric bushing [18] is a hollow sun gear (central gear) instead, it is fastening to change n root spider gear shaft [4] into n root cylinder d-axis, two ends and planet carrier, n planetary pinion is installed in the middle of d-axis, the center planetary gear hole is installed bearing [7] and is made it to be contained in rotationally on the d-axis intermediate cylindrical, and n planetary pinion just makes star-wheel transmission modification assembly into the planetary gear mechanism (not shown) with sun gear and internal gear [6] engagement simultaneously; Planetary gears is made up of sun gear, a n planetary pinion, rotating shaft, pivoted arm and bearing, internal gear [1] is by fastening connection of supporting disk [3] before spline and bolt and the planet carrier, sun gear [24] and n planetary pinion [32] engagement, n planetary pinion meshes with internal gear [1] simultaneously, planetary pinion is contained on force transmission shaft [30] cylinder rotationally by bearing [31], n root force transmission shaft [30] is distributed on pivoted arm [29] distribution map Da and upward and with pivoted arm is fastening connects, pivoted arm and fastening connection of shaft [27], bearing [28] is for going out shaft support bearing; Bevel gear pair is made up of bevel gear [19], [13], and bevel gear [19] connects with hollow eccentric bushing is fastening, and bevel pinion is installed on the Control Shaft [11], and Control Shaft is supported in the hole of rear bearing block [10] by bearing [12]; Main power input shaft [17] (hereinafter to be referred as main power shaft) is supported in the bearing hole of end seat [14] by bearing [16], and main power shaft passes star-wheel transmission modification assembly center hole, by spline housing [23] and sun gear [24] rotating shaft [25] direct connection; Retarder drives with two motors (or other power plant), a called after M
KThe control motor, its rated power is P
K(secondary power), rated speed are n
K, M
KDirect by coupling and Control Shaft [11], the break (not shown) is installed at coupling cylindrical place; Another motor called after master power motor M, its rated power are that P (main power), rated speed are n, and M is by coupling and the direct (not shown) of main power shaft [17], control motor rated power P
KBe generally 0.05~0.35 times of main motor current P, require to decide on condition.The transmission principle of retarder is: when the main power shaft of braking [17], and the control motor M
KDrive Control Shaft [11] rotation, bevel pinion on the Control Shaft drives bevel gear wheel [19] and rotates, because bevel gear [19] and fastening connection of hollow eccentric bushing [18], so part [19] drivening piece [18] rotation, two planetary pinions [5] are made nominal and spinning motion under the acting in conjunction of two cranks of eccentric bushing and fixed annulus [6], because the bearing housing on the n root rolling star-wheel crank is contained in the planetary pinion n bearing hole, thereby planetary pinion promotes rolling star-wheel work revolution and spinning motion synchronously, rolling star-wheel bearings at both ends is sleeved in the bearing hole of planet carrier, so promote end of line frame spinning motion by the rolling star-wheel.And then drive internal gear [1] by planet carrier and rotate at a slow speed, because sun gear [24] maintains static, internal gear [1] drives planetary pinion [32] and centers on sun crop rotation revolution and spinning motion, also does the automatic motion after the deceleration by bearing [31], force transmission shaft [30] drive pivoted arm [29], pivoted arm and fastening connection of shaft [27], thereby will move output, by after three grades of decelerations, retarder obtains a control rotation speed n like this
dWhen braking Control Shaft [11], main power motor drive main power shaft [17] rotation, part [17] drives sun gear [24] rotation, because internal gear this moment [1] maintains static, so sun gear drives planetary pinion [32] and makes revolution and spinning motion around internal gear [1], in like manner by bearing [31], force transmission shaft [30], pivoted arm [29], shaft [27] with the output that rotatablely moves behind the retarder, at this moment, obtain a working speed n by one-level deceleration back shaft
HDrive main power shaft [17] rotation when starting main power motor, restart the control motor M
KDrive Control Shaft [11] rotation, make internal gear [1] and sun gear [24] when rotating in the same way behind double reduction, output shaft [27] obtains high workload rotation speed n
g, obtain an optimum start-up rotation speed n during counterrotating
f, more than the relation of each technical parameter be: n
g=n
H+ n
d, n
f=n
H-n
d, n
H=(n
g+ n
f)/2, n
d=n
g-n
H, n
d=n
k/ i
k, n
H=n/i, i
kThe resultant gear ratio of retarder when braking main power shaft [17], i is the retarder resultant gear ratio during for braking Control Shaft [11]; If output speed is n
dThe time the output torque be T
d, output speed is n
HThe time the output torque be T
H, then should satisfy T
d=T
HThe requirement of torque balance, and with this as definite p
kAnd the foundation of numerical relation between the P.
Retarder is work like this: start M simultaneously
KWith the M motor and make it opposite direction rotation, use the optimum start-up rotation speed n
fTo start main frame; And then motor is controlled in braking, main power motor continues rotation, makes the retarder output speed from n
fRise to n
HRestart the control motor and make it and main power motor equidirectional rotation, make retarder shaft rotating speed from n
HRise to high workload rotation speed n
gStepless speed regulation if desired then adopts variable frequency regulating speed control motor (or other stepless speed regulation) to make rotating speed from n by said procedure operation control motor
fStepless raising speed is to n
H, again from n
HStepless raising speed is to n
g, or inverse process, because the control motor M
KPower P
KMuch smaller than main motor current P, therefore reach the purpose of high-power transmission stepless speed regulation, or adopt other control program by the main frame operating mode by the stepless speed regulation of smaller power motor.This multifunctional planetary speed reducer structural feature mainly contains:
1, structurally, is the synthetic complete parts of core group from piece number [1] to [23] with star-wheel transmission modification assembly, is synthetic another the complete parts of core group from piece number [24] to [32] with planetary pinion and sun gear, two parts be loaded in the casing simultaneously make [1] and part [32] correct engagement, spline housing [23] link just with [25] assembly is the multifunctional planetary speed reducer of the main power single-stage driving of various installation patterns, it is very convenient to install and remove.
2, in a specific diameter is effective circle of D, the area shared to the major part of two parts carries out the most rational distribution, bearing capacity of the present invention is big, transmission efficiency is high to reach, the life-span is long, and two parts reach or near the technical requirements of equal strength and equivalent-load ability, to realize the purpose of the mutual balance of torque that double power flow produces.
3, the vertical input of secondary power (power is little), through three grades of decelerations output of will moving, main power passes the coaxial direct input planet gear structure of hollow eccentric bushing, not only met bevel gear transmitted power features of limited, but also made large diameter internal gear [1] be in low speed smooth operation state, both satisfied the compact structure requirement, made the efficient transmission of high-power realization again.
4, with respect to the star-wheel transmission modification assembly of a specific effective circular diameter D, six aspect opposite any one velocity ratios such as the rolling bearing of its bearing capacity, input speed allowable, design of part size, employing, working life, production technology all are identical, the change because of velocity ratio does not change, the change of velocity ratio only need change tooth portion parameter and eccentric huge a, thereby component have very high generalization and standardization level.
5, Control Shaft (comprising bevel pinion [13], bearing [12]) can be 2,3,4 and is beneficial to secondary power dividing transmission or a plurality of control motor (not shown)s are used in exchange.
6, the present invention has designed effective circular diameter D from φ 250~1600mm, divide 31 effectively product lines of circle by the R40 preferred numbers, transmit peak torque 382.2KN.m, transmit maximum main power 4000kw, the highest input speed 1500r/min, from Control Shaft [11] to velocity ratio ik=31.5~125 that go out end, from main power shaft to velocity ratio i=4~10 that go out end.
Embodiment 2:(is referring to accompanying drawing 2)
Difference shown in Figure 2 and shown in Figure 1 is to adopt star-wheel transmission general purpose module to replace planetary gears, main power shaft is by spline housing [23] direct connection double-crank eccentric shaft [43], when braking Control Shaft [11], internal gear [1] maintains static, when main power shaft drives [43] rotation, because internal gear [1] is fixing, so planetary pinion [35] is made revolution and spinning motion under the acting in conjunction of part [43] double-crank and internal gear, and promotion rolling star-wheel [34] is made revolution and spinning motion synchronously, rolling star-wheel bearings at both ends [33] is sleeved on by part [41], [37], [38] in the planet carrier bearing hole of Zu Chenging, planet carrier and fastening connection of shaft [44], shaft is supported in the casing endoporus by bearing [45], so the spinning motion by after the deceleration of rolling star-wheel promotion shaft [44] do obtains a rotation speed n
HIn like manner, brake main power shaft [17], drive controlling axle [11] rotation, behind double reduction, promote internal gear [1] and rotate at a slow speed, because double crank shaft [43] is fixing, planetary pinion [35] and internal gear [1] engagement, when [1] rotates, drive planetary pinion [35] and make nominal and spinning motion around part [43], and promote revolution of rolling star-wheel [34] do and spinning motion, and the rolling star-wheel promotes planet carrier by bearings at both ends and shaft is made spinning motion, and shaft obtains a control rotation speed n
dStart-up control axle and main power shaft [17] rotate internal gear [1] and [43] in the same way and obtain an optimum start-up commentaries on classics n simultaneously
f, counterrotating obtains high workload rotation speed n
g, the present invention is to have enlarged velocity ratio in function aspects and the described difference of Fig. 1: the velocity ratio i from Control Shaft [11] to shaft [44]
k=63~250, realize by increasing the bevel gear pair velocity ratio; Velocity ratio i=18~71 of [44] from main power shaft to shaft, all the other as described in Figure 1.
Embodiment 3:(is referring to accompanying drawing 3)
Modification multifunctional planetary speed reducer shown in Figure 3 is by a planetary gears and star-wheel transmission modification assembly, forms by carrier gear [61] connection.Star-wheel transmission deformed component by an endoporus and cylindrical all have involute tooth unsteady gear ring, planetary pinion [73], double-crank Control Shaft [66], connect the planet carrier that forms and bearing cap [65] and rolling bearing by front and back supporting disk [75], [69], supporting axle [77] and combine, planet carrier is fixed, and gear ring is contained in the planet carrier end rotationally by bearing [70]; Planetary gears is by main power shaft 49], sun gear [48], planetary pinion [55], force transmission shaft [53], inside and outside all have the gear ring main parts such as [58] of gradually opening uncinus to combine, gear ring is by in bearing cap [56] and bearing [57] the rotatably support ground casing endoporus, main power shaft is bearing in cover endoporus and the planet carrier endoporus by bearing [50] and [63], planet carrier is formed by part [64] and [47] and the fastening connection of supporting axle [62], and be bearing in the chassis hole by bearing [52], the fastening connection of planet carrier and shaft [46], shaft is bearing in the casing endoporus with bearing [51] and [52]; Carrier gear [61] is installed in rotation on the stationary axle [59] by bearing [60], and meshes with gear ring [58] and [74] simultaneously.Its transmission principle is: when the main power shaft of braking [49], control motor M K drives Control Shaft [66] rotation, double-crank on the Control Shaft promotes planetary pinion [73] motion by bearing [68], because planet carrier is fixed, so planetary pinion is done the revolution translation under planet carrier and double-crank acting in conjunction, and promotion rolling star-wheel [71] is made spinning motion, planetary pinion and the engagement of gear ring internal gear, thereby promotion gear ring [74] is made spinning motion, driving gear ring [58] by carrier gear [61] simultaneously rotates at a slow speed, because main power shaft [49] is fixing, so the internal tooth of gear ring [58] drives planetary pinion [55] around sun crop rotation revolution and spinning motion, and by the spinning motion after force transmission shaft [53] and the deceleration of planet carrier drive shaft [46] do, shaft obtains a control commentaries on classics n
dWhen braking Control Shaft [66], main power motor M drives main power shaft rotation, because gear ring [58] is fixed, so main power shaft drives sun gear [48] rotation, after planetary mechanism slows down, makes shaft obtain a working speed n
HIn like manner, drive controlling axle and main power shaft rotation simultaneously, when gear ring [58] and sun gear counterrotating, shaft obtains an optimum start-up rotation speed n
f, rotation obtains high workload rotation speed n in the same way
gVelocity ratio i=4 of the present invention~10, i
k=18~71, when needs enlarge velocity ratio and torque, shaft [46] but all kinds of reducing gears of direct connection, when needs are exported at a high speed, then shaft [46] but all kinds of speed increasers of direct connection, all the other are as described in Figure 1.
Embodiment 4:(is referring to accompanying drawing 4)
Modification multifunctional planetary speed reducer shown in Figure 4 is to be combined by star-wheel transmitting assemblies and planetary gears, with difference shown in Figure 3 be main power shaft [107] and 180 ° of layouts of secondary power Control Shaft [94] symmetry.Planet carrier that the star-wheel transmitting assemblies constitutes by multicrank Control Shaft [94], planetary pinion [88], rolling star-wheel [90] with by part [91], [96], [97] fastening connection and rolling bearing [93], [92], [95], [89] combine, and planet carrier is fixed on casing [86] end; Planetary gears is formed by combining by sun gear [100], rotating shaft [103], planetary pinion [78], force transmission shaft [80], pivoted arm [79], supporting disk [82] and bearing [81], [83], [101], [102], [98]; Internal gear [84] and internal gear [87] be fastening to be connected and is supported in the endoporus of casing [86] with bearing [85]; Main power shaft [107] is by spline housing [104] and rotating shaft [103] direct connection, and main power shaft [107] is bearing on the support [109] by bearing [108] and output cover [105] end bearing; Output cover one end bearing is on support [109], and the other end is bearing in pivoted arm [79] and goes up and fastening connection, and output puts can install rotating cylinder [106], also driving components such as gear, sprocket wheel can be installed; In like manner exchange main power shaft of braking and Control Shaft output cover can obtain n
dAnd n
HTwo kinds of rotating speeds start main power shaft, control Control Shaft sense of rotation can obtain n
HAnd n
fTwo kinds of rotating speeds, all the other as described in Figure 1.
Embodiment 5 (referring to accompanying drawing 5)
Shown in Figure 5, main power shaft [141] is vertical to be installed, axle head bevel pinion [143] and bevel gear [151] engagement, and part [151] is fastening to be installed on the cylinder shaft extension of internal gear [138] end, and internal gear is supported in the casing by bearing [144]; Secondary power Control Shaft [147] is also vertically installed, axle head bevel pinion and bevel gear [149] engagement, bevel gear [149] be bearing in the cover bearing hole by bearing [150] and with fastening connection of rotating shaft [152], rotating shaft links by sun gear [156] rotating shaft [154] of spline housing [153] with planetary mechanism, rotating shaft [152], [154] and spline housing [153] all are loaded in the endoporus of internal gear [138] end, rotating shaft [154] is supported in the endoporus of [138] end with two bearings [155], and rotating shaft [152] is supported in the cover endoporus with bearing [145]; Sun gear [156] and planetary pinion [140] engagement, planetary pinion is contained on the force transmission shaft [137] rotationally by bearing [139], part [137] and fastening connection of pivoted arm [157]; In like manner, by the sense of rotation of the exchange main power shaft of braking and Control Shaft and change Control Shaft, pivoted arm [157] can obtain n
g, n
f, n
H, n
dFour specific output speeds, if Control Shaft [147] and frequency control motor link, n then
dFor stepless, because n
dBe stepless, thereby can realize complete machine stepless speed regulation, all the other as described in Figure 1.This is a concrete instance that is used for the ladle rotation, require the retarder velocity ratio big, so go out to hold pivoted arm [157] back series connection twin-stage star-wheel transmitting assemblies, double crank shaft [125] end and fastening connection of pivoted arm [157] of the star-wheel transmitting assemblies of middling speed level, when pivoted arm drives the double-crank rotation, promote planetary pinion [127] motion by bearing [136], planetary pinion and internal gear [128] engagement, because [128] are fixed on the support, so planetary pinion is under the acting in conjunction of internal gear and double-crank, make revolution and spinning motion, promote rolling star-wheel [126] simultaneously and make revolution and spinning motion, and promote planet carrier by rolling star-wheel bearings at both ends and make spinning motion, planet carrier is by preceding supporting disk [110] and fastening connection of slow speed turbine stage star-wheel transmitting assemblies double crank shaft [116].Therefore drive the rotation of slow speed turbine stage double crank shaft, in like manner planetary pinion [123] is made revolution and spinning motion, is promoted rolling star-wheel [122] simultaneously and make revolution and spinning motion under the acting in conjunction of double-crank and internal gear [124], promote planet carrier by rolling star-wheel bearings at both ends [121] equally and make spinning motion, supporting disk [114] and fastening connection of shaft [118] before the planet carrier, thus planet carrier drives the motion output after shaft will slow down.Part among the figure [119], [117], [111], [120], [134] etc. are rolling bearing.
Instance graph 6:(is referring to Fig. 6)
Shown in Figure 6 the velocity ratio expansion that can make multifunctional planetary speed reducer is more than 16~400 times in the one-level combined type star-wheel gearing speed-reducer mechanism that goes out to hold to connect shown in Figure 1, and its output torque also increases along with the expansion of velocity ratio.Combined type star-wheel transmission speed reducer structure mainly is made of two pairs of internal gear pairs.The technical parameter of two planetary pinions [169] is identical, and the number of teeth is Z
2, and hand over 180 ° of whiles of file to mesh with internal gear [170], the internal gear number of teeth is Z
1, the module of gear pair is m
12, eccentric bushing [160] is housed in rotating shaft [159], the center planetary gear hole is contained on the double-crank of eccentric bushing rotationally by bearing [165], and its throw of eccentric is a
12(being the Gear center distance) is at distribution circle DZ
2Uniform n rolling star-wheel [167] on the circumference, the rolling bearing on the rolling star-wheel double-crank is sleeved in the planetary bearing hole, and bearings at both ends is packed in the planet carrier bearing hole; Another is made up of staggered 180 ° of whiles of two identical planetary pinions of technical parameter [176] and internal gear [173] engagement internal gear pair, and the planetary pinion number of teeth is Z
3, the internal gear number of teeth is Z
4, the module of gear pair is m
34, internal gear is fixed in the casing end, and eccentric bushing [178] is housed in same rotating shaft [159], and planetary pinion [176] center hole is contained in rotationally by bearing on the double-crank of eccentric bushing, and its throw of eccentric is a
34, at same distribution circle DZ
2Uniform n rolling star-wheel [172] on the circumference, its double-crank upper bearing sleeve is contained in the planetary bearing hole, and bearings at both ends is packed in the bearing hole of planet carrier; Whole planet carrier is made up of preceding supporting disk [166], back supporting disk [175], n root supporting axle [158], middle supporting disk [179], n root supporting axle [158] and the fastening connection of three dishes, and the supporting disk end has bearing [174] to be supported in the casing endoporus behind planet carrier.Its working principle is: when pivoted arm [29] drives rotating shaft [159] rotation, two planetary pinions [176] entry into service under the effect of eccentric bushing double-crank [178], because of planetary pinion and fixed annulus [173] engagement, so planetary pinion is made revolution and spinning motion under the acting in conjunction of double-crank and internal gear, and promotion rolling star-wheel [172] is made revolution and spinning motion synchronously, the rolling star-wheel promotes planet carrier by bearings at both ends and makes spinning motion, and the rotating speed of planetary pinion [176] is passed to planetary pinion [169] with the relation of 1:1; Rotating shaft [169] rotation drives eccentric bushing [160] rotation simultaneously, because planet carrier rotates with planet gear [176], rolling star-wheel [167] bearings at both ends is contained in again in the endoporus of planet carrier, so planetary pinion [169] is made revolution and spinning motion under the acting in conjunction of eccentric bushing [160] double-crank and planet carrier, planetary pinion [169] is meshed with internal gear [170], internal gear again with fastening connection of shaft [163], thereby the motion that planetary pinion will promote after internal gear will slow down with shaft is exported.All the other is characterized in that as described in Figure 1:
1, the bearing capacity of two pairs of internal gear pairs, rotating speed allowable, standard piece, structural dimensions, working life are identical, and the change because of velocity ratio does not change; And with a planet carrier, thereby standardization of the present invention, generalization degree height.
2, have identical bearing capacity and life-span for satisfying two pairs of gear pairs, tooth of the present invention portion parameter satisfies Z
2* m
12≈ Z
3* m
34Requirement.
3, for satisfying efficient transmission requirement, internal gear of the present invention [l70] is realized rotation in the same way with rotating shaft [159], and with respect to any one velocity ratio in the reducing gear velocity ratio series, tooth portion parameter satisfies Z
1-Z
2〉=Z
4-Z
3, a
12〉=a
34, velocity ratio i=+Z
1Z
3/ (Z
1Z
3-Z
2Z
4) requirement.
4, the present invention is by Z
1, Z
2, Z
3, Z
4But 4 parameter permutation and combination become a large amount of velocity ratios, and velocity ratio preferably commonly used is more than 16~400, and maximum transmission ratio can reach more than 10000.
5, the present invention has realized that by 4 planetary reasonable Arrangement driving component self is bidirectional balanced, phoresys very steady.
The multifunctional planetary speed reducer of the main power twin-stage transmission of connecting with combinations thereof formula reducing gear is applicable to wants that cube is little, the king-sized low speed transmission field of velocity ratio, and all the other as described in Figure 1.
Embodiment 7:(is referring to accompanying drawing 7)
The multifunctional planetary speed reducer slow speed turbine stage shown in Figure 7 double star-wheel transmission speed reducer structure of connecting, be to mesh with internal gear [191] by staggered 180 ° of whiles of four identical planetary pinions of technical parameter [190], by bearing [182], planetary pinion is contained on the double-crank rotationally, and rotating shaft [180] is by bearing [28] and [186] supporting.By front and back supporting disk [187], [193], middle supporting disk [196], the whole planet carrier end of the fastening connection of n root supporting axle [195] is supported in the casing endoporus by bearing [192] and [183], when pivoted arm drives rotating shaft [180] rotation, two identical double-crank eccentric bushings [181] of physical dimension promote four planetary pinion motions simultaneously, planetary pinion and fixed annulus engagement, so four planetary pinions are made revolution and spinning motion under the acting in conjunction of internal gear and double-crank, and n rolling star-wheel of promotion [188] made revolution and spinning motion synchronously, promoting planet carrier by rolling star-wheel bearings at both ends rotates, because planet carrier and fastening connection of shaft [185], thereby the motion behind the retarder is exported.Output shaft is supported in the casing endoporus by bearing [184] and [186].The characteristics of this reducing gear are that bearing capacity is higher 0.75~1 times than single star-wheel transmitting assemblies, and driving component is realized two-way self balance, connect multifunctional planetary speed reducer velocity ratio i=50~800, the i of main power twin-stage transmission of this kind reducing gear of slow speed turbine stage
k=125~10000, all the other as described in Figure 1.
Embodiment 8:(is referring to accompanying drawing 8)
Multifunctional planetary speed reducer shown in Figure 8 is 1 planetary pinion speed increasing mechanism in parallel in differential planet gear mechanism, by sun gear [199], planetary pinion [212], internal gear [213] is formed differential planet gear mechanism, by sun gear [203], planetary pinion [209], the internal gear [211] that is fixed on the casing is formed the planetary pinion speed increasing mechanism, by front and back supporting disk [202], [198], n root supporting axle [201] and force transmission shaft [204] be fastening to be coupled to shared whole planet carrier, and be supported in casing endoporus and internal gear [213] bearing hole by bearing [197], planetary pinion all is installed in rotation on the force transmission shaft [204] by bearing [210], the shaft [208] that connects sun gear [203] is by bearing [206], [207] supporting, the rotating shaft [205] that connects sun gear [199] is supported by bearing [200], and by Hua Jiantao [23] and main power shaft [17] direct connection.Working principle of the present invention is: as described in Figure 1 after planet gear differential mechanism makes planet carrier (part among Fig. 1 [29]) obtain four specific rotation speeds, because planetary pinion [209] and [212] all are contained on the force transmission shaft [204] rotationally, so planet carrier forces planetary pinion [209] to make revolution and spinning motion around internal gear [211] by force transmission shaft [204], planetary pinion drives sun gear [203] and shaft [208] is done the speedup motion, and establishing internal gear [211] number of teeth is ZB
1, sun gear [203] number of teeth is ZA
1, planet carrier rotating speed speedup (ZA then
1+ ZB
1)/ZA
1Doubly, through sun gear [203] and output shaft [208] output, so that the present invention reaches the purpose of speedup output.All the other as described in Figure 1.