CN101718331A - Stepless speed change driver - Google Patents
Stepless speed change driver Download PDFInfo
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- CN101718331A CN101718331A CN 200910227974 CN200910227974A CN101718331A CN 101718331 A CN101718331 A CN 101718331A CN 200910227974 CN200910227974 CN 200910227974 CN 200910227974 A CN200910227974 A CN 200910227974A CN 101718331 A CN101718331 A CN 101718331A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Transmission Devices (AREA)
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Abstract
The invention specifically discloses a stepless speed change driver, solving the problems that the existing stepless speed change driver can not bear larger torque and can not ensure reliability. The stepless speed change driver comprises a main planetary gear set and a revolving speed comparison mechanism, wherein the main planetary gear set comprises a primary planet cone gear, a feedback sun gear meshed with the primary planet cone gear and a power output sun gear; the revolving speed comparison mechanism comprises a secondary planet cone gear, an input revolving speed sun gear meshed with the secondary planet cone gear and an output revolving speed sun gear; the revolving speed comparison mechanism compares the revolving speed of the input revolving speed sun gear and the output revolving speed sun gear which have different revolving directions and feeds back the obtained feedback revolving speed to the main planetary gear set by a worm and worm wheel mechanism with an anti-inversion function; the main planetary gear set transmits the power to a power output shaft in real time according to the feedback revolving speed provided by the revolving speed comparison mechanism, so that the stepless speed change driver achieves the purpose of stepless speed change. The invention realizes the stepless speed change of the hard link of gears and has high transmission efficiency, low manufacturing cost and simple maintenance.
Description
Technical field
The present invention relates to transmission device, be specially a kind of infinitely variable speed transmission.
Background technique
The development of infinitely variable speed transmission has had the history in more than 100 year, mainly be to utilize two variable-diameter drive wheels, transmission brings and realizes its stepless change transmission on the middle cover, but all can't large size popularize all the time so far, mainly be because existing stepless speed variator still has the following disadvantages: the one, the manufacture cost height, if and misoperation, the probability that goes wrong is higher, and maintenance cost is high; The 2nd, the aufbauprinciple of existence and the defective of mechanical wear because it is flexible coupling, the steel belt of transmission can not bear bigger moment of torsion, easy-rupturing, reliability can not get sufficient assurance.Though people constantly improve driving belt,, the promotion and application of infinitely variable speed transmission have been limited because the problems referred to above can not be solved.
Summary of the invention
The present invention exists the defective of aufbauprinciple and mechanical wear to cause it can not bear than high pulling torque, reliability to can not get guaranteeing and manufacture cost height, problem that maintenance cost is high, provide the higher gear of a kind of reliability to connect infinitely variable speed transmission firmly in order to solve existing infinitely variable speed transmission.
The present invention adopts following technological scheme to realize: infinitely variable speed transmission, comprise main planetary gear group and rotating speed contrast mechanism, the main planetary gear group comprises the main planetary gear frame, main planetary gear frame left side is fixed with main planetary gear frame gear, main planetary gear frame gear engagement has the active force gear, the active force gear is fixed on the power input shaft, the main planetary gear frame is fixed with the main planetary gear axle between the two ends up and down, be with the primary planet angular wheel on the main planetary gear axle, two ends, the primary planet angular wheel left and right sides are engaged with feedback sun gear and power output sun gear respectively, feedback sun gear left side is fixed with the speed feedback axle that passes main planetary gear frame and main planetary gear frame gear, speed feedback axle left end is fixed with the speed feedback worm gear, the speed feedback worm gear is engaged with the speed feedback worm screw, and power output sun gear right side is fixed with pto; Rotating speed contrast mechanism comprises secondary planetary carrier, secondary planetary carrier left end is fixed with secondary planetary carrier gear, secondary planetary carrier gear engagement has transition gear, the transition gear end face is fixed with the speed feedback flywheel that its inner ring is fixed on speed feedback worm screw one end, secondary planetary carrier is fixed with secondary planet pin in two ends up and down, be with secondary planet angular wheel on the secondary planet pin, two ends, the secondary planet angular wheel left and right sides are engaged with input speed sun gear and output speed sun gear respectively, input speed sun gear left side is fixed with the input speed axle that passes secondary planetary carrier and secondary planetary carrier gear, be fixed with the input speed flywheel on the input speed axle in secondary planetary carrier gear left side, input speed flywheel outer ring is engaged with the input speed gear that has gear shaft, the gear shaft the other end is fixed with the input speed gear, the input speed gear engagement has the power input speed gear that is fixed on the power input shaft, output speed sun gear right side is fixed with the output speed gear shaft, be fixed with the output speed gear on the output speed gear shaft, the output speed gear engagement has the power rotating speed output gear that is fixed on the pto.Working principle of the present invention is that external impetus applies power by power input shaft sense of rotation A to power input shaft, (so-called power rotating speed is meant and both obtains power power the power rotating speed respectively by active force gear fixing on the power input shaft and power input speed gear, when obtaining power, obtained rotational speed again) be sent to main planetary gear group and rotating speed contrast mechanism, rotating speed contrast mechanism feeds back to the feedback rotating speed to the main planetary gear group, the primary planet angular wheel is under power rotating speed that the active force gear is imported and the acting in conjunction of feeding back rotating speed, revolve round the sun and carry out rotation around feedback sun gear and power output sun gear, finally the power rotating speed is outputed to pto around the main planetary gear axle; During concrete work, external impetus imposes on power input shaft power rotating speed, the power rotating speed that obtains on the power input shaft is sent to main planetary gear group and rotating speed contrast mechanism respectively by active force gear and power input speed gear, power input speed gear is by the input speed gear, the input speed flywheel is sent to input speed sun gear fixing on the input speed axle, the output speed sun gear opposite with sense of rotation carries out rotating ratio by secondary planetary pinion, two different rotating speeds of sense of rotation force secondary planet angular wheel to carry out rotation, in the time of the rotation of pair planet angular wheel secondary planet angular wheel is obtained specific speed, force secondary planet angular wheel to revolve round the sun to specific speed around input speed sun gear and output speed sun gear, thereby make secondary planetary carrier obtain the feedback rotating speed, the secondary planetary carrier gear of feedback rotating speed on secondary planetary carrier, transition gear and speed feedback flywheel are sent to the speed feedback worm screw; Simultaneously the power rotating speed by the active force gear through main planetary gear frame gear, the main planetary gear frame is sent to the primary planet angular wheel, the primary planet angular wheel imposes on feedback sun gear and power output sun gear to the power rotating speed that obtains respectively, the power rotating speed that imposes on the feedback sun gear is sent to the speed feedback worm screw through the speed feedback worm gear, and the worm and gear gear structure has anti-reverse functions, the power rotating speed can not continue downward transmission, the power rotating speed all is sent to power output sun gear basically, speed feedback worm screw with feedback rotating speed only needs to rotate along speed feedback worm screw sense of rotation B, just can be with minimum power Passive Control speed feedback worm gear, the primary planet angular wheel revolves round the sun and carries out rotation according to the rotating speed of feedback sun gear at the power rotating speed that obtains, finally real-time power rotating speed is imposed on power output sun gear, the power rotating speed is sent to output speed gear fixing on the output speed gear shaft through power rotating speed output gear fixing on the pto simultaneously, the output speed sun gear that is fixed on the output speed gear shaft obtains and the opposite rotating speed of input speed sun gear sense of rotation, the secondary planet angular wheel of rotating speed contrast mechanism compares two different rotating speeds of sense of rotation, what obtain after the contrast forces the rotation of secondary planet angular wheel to specific speed, the rotation of secondary planet angular wheel makes secondary planet angular wheel obtain to revolve round the sun to specific speed and around power input sun gear and power output sun gear to make rotating speed contrast mechanism obtain feeding back rotating speed, to feed back rotating speed then and act on the feedback sun gear through gear engagement, form a circuit stepless speed variator system, by hard connection of gear having overcome existing stepless speed variator and can not bear the problem that can not get guaranteeing than high pulling torque and reliability because the structure defective causes.
Rotating speed contrast mechanism comprises the rotating speed induced signal comparison system that is connected with input power cord, the input end of rotating speed induced signal comparison system is connected with power input speed sensor on being enclosed within power input shaft with power output speed sensor on being enclosed within pto by signaling line respectively, rotating speed induced signal comparison system output terminal is connected with the speed feedback motor by signaling line, and the output shaft of speed feedback motor is connected with the speed feedback worm screw.Rotating speed induced signal comparison system is a prior art, realizes that for those skilled in the art are easy induced signal can be induction current, voltage or frequency.During concrete work, power input speed sensor obtains the rotating speed induced signal from power input shaft, power output speed sensor obtains the rotating speed induced signal from pto, two induced signals pass to rotating speed induced signal comparison system by signaling line, obtain feedback signal through contrast, by signaling line feedback signal is offered the speed feedback motor, the feedback motor provides the feedback rotating speed to the speed feedback worm screw in real time, Passive Control speed feedback worm gear, the primary planet angular wheel revolves round the sun around feedback sun gear and power output sun gear under the power rotating speed effect that obtains from power input shaft, and according to the feedback sun gear rotating speed carry out rotation, finally real-time power rotating speed is offered pto.
Be fixed with the initial velocity flywheel on the input speed axle in input speed flywheel left side, initial velocity flywheel outer ring is engaged with the transmission gear that is fixed on the gear shaft, the gear shaft the other end is fixed with the transmission gear, transmits gear and is engaged with the initial velocity gear that is fixed on the output speed gear shaft by tumbler gear.During the initialization state, the initial velocity flywheel obtains the power rotating speed from the input speed axle, gear diameter changes and the tumbler gear commutation through transmitting, (the initial start rotating speed is that stepless speed changes devices obtains the powered attendant-controlled wheelchairs while at power input shaft to provide an initial start rotating speed to the initial velocity gear, a rotating speed that provides to the output speed sun gear by gear engagement), thus play the effect of accelerating priming speed.
The pto right-hand member is fixed with guide gear, guide gear is engaged with the transmission gear that is fixed on the gear shaft, the transmission gear of the gear shaft the other end is engaged with another guide gear that is positioned at the guide gear right side by tumbler gear, the place, axle center of right side guide gear is installed with the shift fork wheel shaft, shift fork wheel shaft right-hand member is fixed with the forked plectrum wheel that has the shift fork that commutates, and is fixed with power outlet terminal wheel on the shift fork wheel shaft of guide gear left end.When the power rotating speed is sent to guide gear on the pto, the power rotating speed through transmit gear and tumbler gear make the guide gear that is enclosed within on the shift fork wheel shaft obtain one with the different power rotating speed of guide gear sense of rotation on the pto, external force is stirred the commutation shift fork, thereby, thereby make the power outlet terminal take turns the power rotating speed of acquisition different rotary direction by power outlet terminal wheel on the forked plectrum wheel promotion shift fork wheel shaft and the guide gear engagement on shift fork wheel shaft or the pto.
Be fixed with the flying wheel that is enclosed within on the input speed axle on the inner ring end face of input speed flywheel.Flying wheel is when externally the power rotating speed reduces, and can make that the input speed sun gear that is fixed on the input speed axle is temporary transient to keep original rotating speed, can make infinitely variable speed transmission carry out the power output speed gently and change.
All adopt gear transmission to realize hard connection stepless change in the infinitely variable speed transmission of the present invention, guaranteed the reliability of infinitely variable speed transmission when having strengthened the moment of torsion ability to bear, and manufacture cost is lower, easy to maintenance.
Description of drawings
Fig. 1 is the structural representation of infinitely variable speed transmission of the present invention;
Fig. 2 is the structural representation that another kind of rotating speed contrasts mechanism in the infinitely variable speed transmission of the present invention;
Fig. 3 is the structure principle chart of infinitely variable speed transmission medium speed feedback worm screw Passive Control speed feedback worm gear of the present invention.
Among the figure: 1-main planetary gear frame, 2-main planetary gear frame gear, 3-active force gear, the 4-power input shaft, 5-main planetary gear axle, 6-primary planet angular wheel, 7-feeds back sun gear, 8-power output sun gear, 9-speed feedback axle, 10-speed feedback worm gear, 11-speed feedback worm screw, the 12-pto, the secondary planetary carrier of 13-, the secondary planetary carrier gear of 14-, 15-transition gear, 16-speed feedback flywheel, the secondary planet pin of 17-, the secondary planet angular wheel of 18-, 19-input speed sun gear, 20-output speed sun gear, 21-input speed axle, 22-input speed flywheel, 23,24-input speed gear, 25-power input speed gear, 26-output speed gear shaft, 27-output speed gear, 28-power rotating speed output gear, 29-rotating speed induced signal comparison system, 30-power output speed sensor, 31-power input speed sensor, 32-speed feedback motor, 33-initial velocity flywheel, 34,35,46,47-transmits gear, 36, the 39-tumbler gear, 37-initial velocity gear, 38, the 45-guide gear, 40-shift fork wheel shaft, the 41-shift fork that commutates, the 42-forked plectrum wheel, 43-power outlet terminal wheel, the 44-flying wheel.
Embodiment
Infinitely variable speed transmission, comprise main planetary gear group and rotating speed contrast mechanism, the main planetary gear group comprises main planetary gear frame 1, main planetary gear frame 1 left side is fixed with main planetary gear frame gear 2, main planetary gear frame gear 2 is engaged with active force gear 3, active force gear 3 is fixed on the power input shaft 4, the main planetary gear frame is fixed with main planetary gear axle 5 between the two ends about in the of 1, be with primary planet angular wheel 6 on the main planetary gear axle 5, two ends, primary planet angular wheel 6 left and right sides are engaged with feedback sun gear 7 and power output sun gear 8 respectively, feedback sun gear 7 left sides are fixed with the speed feedback axle 9 that passes main planetary gear frame 1 and main planetary gear frame gear 2, speed feedback axle 9 left ends are fixed with speed feedback worm gear 10, speed feedback worm gear 10 is engaged with speed feedback worm screw 11, and power output sun gear 8 right sides are fixed with pto 12; Rotating speed contrast mechanism comprises secondary planetary carrier 13, secondary planetary carrier 13 left ends are fixed with secondary planetary carrier gear 14, secondary planetary carrier gear 14 is engaged with transition gear 15, transition gear 15 end faces are fixed with the speed feedback flywheel 16 that its inner ring is fixed on speed feedback worm screw 11 1 ends, secondary planetary carrier is fixed with secondary planet pin 17 in two ends about in the of 13, be with secondary planet angular wheel 18 on the secondary planet pin 17, two ends, secondary planet angular wheel 18 left and right sides are engaged with input speed sun gear 19 and output speed sun gear 20 respectively, input speed sun gear 19 left sides are fixed with the input speed axle 21 that passes secondary planetary carrier 13 and secondary planetary carrier gear 14, be fixed with input speed flywheel 22 on the input speed axle 21 in secondary planetary carrier gear 14 left sides, input speed flywheel 22 outer rings are engaged with the input speed gear 23 that has gear shaft, the gear shaft the other end is fixed with input speed gear 24, input speed gear 24 is engaged with the power input speed gear 25 that is fixed on the power input shaft 4, output speed sun gear 20 right sides are fixed with output speed gear shaft 26, be fixed with output speed gear 27 on the output speed gear shaft 26, output speed gear 27 is engaged with the power rotating speed output gear 28 that is fixed on the pto 12.Be fixed with initial velocity flywheel 33 on the input speed axle 21 in input speed flywheel 22 left sides, initial velocity flywheel 33 outer rings are engaged with the transmission gear 34 that is fixed on the gear shaft, the gear shaft the other end is fixed with another and transmits gear 35, transmits gear 35 and is engaged with the initial velocity gear 37 that is fixed on the output speed gear shaft 26 by tumbler gear 36; Pto 12 right-hand members are fixed with guide gear 38, guide gear 38 is engaged with the transmission gear 46 that is fixed on the gear shaft, another of the gear shaft the other end transmits gear 47 and is engaged with another guide gear 39 that is positioned at guide gear 38 right sides by tumbler gear 39, the place, axle center of guide gear 39 is installed with shift fork wheel shaft 40, shift fork wheel shaft 40 right-hand members are fixed with the forked plectrum wheel 42 that has the shift fork 41 that commutates, and are fixed with power outlet terminal wheel 43 on the shift fork wheel shaft 40 of guide gear 39 left ends; Be fixed with the flying wheel 44 that is enclosed within on the input speed axle 21 on the inner ring end face of input speed flywheel 22.In the specific implementation process, external impetus imposes on the power input shaft 4 of infinitely variable speed transmission, the power rotating speed transmits respectively through power input speed gear 25 and active force gear 3 fixing on the power input shaft 4: power input speed gear 25 is sent to input speed flywheel 22 on the input speed axle 21 to the power rotating speed of power input shaft 4 through input speed gear 24, input speed gear 23, makes input speed sun gear 19 acquisition power input speeds; Simultaneously the initial velocity flywheel 33 on the input speed axle 21 the power rotating speed through transmission gear 34, transmit gear 35 and tumbler gear 36 and be sent to initial velocity gear 37, make output speed sun gear 20 on the output speed gear shaft 26 obtain the sense of rotation different and the initial velocity of speed with input speed sun gear 19, two different rotating speeds of sense of rotation force the secondary planet angular wheel 18 on the secondary planetary carrier 13 to revolve round the sun and center on secondary planet pin 17 around power input sun gear and power output sun gear to carry out rotation, secondary planetary carrier 13 is under the acting in conjunction of secondary planet angular wheel 18 revolution and rotation, obtain an initial feedback rotating speed, initial feedback rotating speed fixing secondary planetary carrier gear 14 on secondary planetary carrier 13 is sent to speed feedback worm screw 11, come speed feedback worm gear 10 fixing on the Passive Control speed feedback axle 9, specifically as shown in Figure 3, the sense of rotation of fixing speed feedback worm gear 10 is C on the speed feedback axle 9, power rotating speed on the speed feedback worm gear 10 is sent to speed feedback worm screw 11, and worm-and-wheel gear has anti-reverse functions, the power rotating speed can not continue downward transmission, 11 need of speed feedback worm screw with feedback rotating speed rotate along speed feedback worm screw sense of rotation B, just can be with minimum power Passive Control speed feedback worm gear 10, reach the purpose of speed feedback worm screw 11 Passive Control speed feedback worm gears 10, thereby make feedback sun gear fixing on the speed feedback axle 97 obtain an initial feedback rotating speed; Simultaneously active force gear 3 the power rotating speed through main planetary gear frame gear 2, main planetary gear frame 1 is sent to primary planet angular wheel 6, primary planet angular wheel 6 obtains the power rotating speed and revolves round the sun, primary planet angular wheel 6 is exported the power rotating speed that sun gear 8 applies equidirectional to feedback sun gear 7 and power simultaneously, and according to the feedback sun gear 7 the feedback rotating speed carry out rotation, its speed of autorotation is by 7 decisions of feedback sun gear, power output sun gear 8 fixing on the pto 12 is under the acting in conjunction of 6 revolution of primary planet angular wheel and rotation, obtain the power output speed, power rotating speed output gear 28 and guide gear 38 fixing on pto 12 transmit respectively, and power rotating speed output gear 28 is sent to output speed gear 27 to output speed; Fixing forked plectrum wheel 42 move left and right on the commutation shift fork 41 control shift fork wheel shafts 40, fixing power outlet terminal is taken turns 43 moving according to the shift fork wheel shaft on the shift fork wheel shaft 40, respectively with 45 engagements of guide gear 38 or guide gear, obtain the power rotating speed identical or opposite respectively with guide gear 38; When the rotating speed that the output speed gear 27 on being fixed on same axle obtains surpasses the rotating speed of initial velocity gear 37, rotating speed contrast mechanism enters relatively state of rated speed, initial velocity flywheel 33 dallies, at this moment the initial start state finishes, the input speed sun gear 19 of rotating speed contrast mechanism obtains sense of rotation different rotating speed from power input shaft 4 with pto 12 by gear engagement respectively with output speed sun gear 20, the secondary planet angular wheel 18 of rotating speed contrast mechanism compares by rotation the rotating speed of these two different rotary directions, secondary then planet angular wheel 18 obtains after contrast specific speed is revolved round the sun around input speed sun gear 19 and output speed sun gear 20 by secondary planet angular wheel 18 obtains feeding back rotating speed, the revolution of secondary planet angular wheel 18 is passed through secondary planet pin 17 to the feedback rotating speed that obtains, secondary planetary carrier 13, secondary planetary carrier gear 14, transition gear 15, speed feedback flywheel 16 is sent to speed feedback worm screw 11, Passive Control speed feedback worm gear 10, provide the feedback rotating speed to the main planetary gear group, make feedback sun gear 7 obtain the feedback rotating speed, primary planet angular wheel 6 revolves round the sun and rotation under the acting in conjunction of power rotating speed and two rotating speeds of feedback rotating speed, make power output sun gear 8 obtain a real-time power output speed, at this moment infinitely variable speed transmission enters the stepless change state; When the power rotating speed that obtains by gear engagement when input speed sun gear 19 and output speed sun gear 20 is identical, because of its sense of rotation difference, 18 of secondary planet angular wheels center on secondary planet pin and carry out rotation, the feedback rotating speed is zero, secondary planetary carrier 13 is static, and feedback sun gear 7 is also static, and the power rotating speed that main planetary gear frame 1 obtains is through the revolution and the rotation of primary planet angular wheel 6, all be sent to power output sun gear 8, at this moment pto 12 obtains the highest power rotating speed; When the power rotating speed of output speed sun gear 20 acquisitions surpasses the power rotating speed of input speed sun gear 19 acquisitions, secondary planetary carrier 13 obtains a reciprocal feedback rotating speed, the secondary planetary carrier gear 14 of reciprocal feedback rotating speed on secondary planetary carrier 13, be sent to speed feedback flywheel 16, reciprocal feedback rotating speed dallies speed feedback flywheel 16, feedback sun gear 7 is static, power on the pto 12 is through the revolution and the rotation of primary planet angular wheel 6, all be sent to main planetary gear frame 1, finally be sent to power input shaft 4, at this moment, infinitely variable speed transmission enters the dynamic braking state.In the whole process, the sense of rotation of main planetary gear frame 1, feedback sun gear 7, power output sun gear 8, input speed sun gear 19 is opposite with the sense of rotation A of power input shaft 4, output speed sun gear 20 is identical with power input shaft 4 sense of rotation A, and the sense of rotation of secondary planetary carrier 13 is carried out the back acquisition of input output rotating ratio by sense of rotation different input speed sun gear 19 and output speed sun gear 20.
Infinitely variable speed transmission, comprise main planetary gear group and rotating speed contrast mechanism, the main planetary gear group comprises main planetary gear frame 1, main planetary gear frame 1 left side is fixed with main planetary gear frame gear 2, main planetary gear frame gear 2 is engaged with active force gear 3, active force gear 3 is fixed on the power input shaft 4, the main planetary gear frame is fixed with main planetary gear axle 5 between the two ends about in the of 1, be with primary planet angular wheel 6 on the main planetary gear axle 5, two ends, primary planet angular wheel 6 left and right sides are engaged with feedback sun gear 7 and power output sun gear 8 respectively, feedback sun gear 7 left sides are fixed with the speed feedback axle 9 that passes main planetary gear frame 1 and main planetary gear frame gear 2, speed feedback axle 9 left ends are fixed with speed feedback worm gear 10, speed feedback worm gear 10 is engaged with speed feedback worm screw 11, and power output sun gear 8 right sides are fixed with pto 12; Rotating speed contrast mechanism comprises the rotating speed induced signal comparison system 29 that is connected with outside input power cord, the input end of rotating speed induced signal comparison system 29 is connected with power input speed sensor 31 on being enclosed within power input shaft 4 with power output speed sensor 30 on being enclosed within pto 12 by signaling line respectively, rotating speed induced signal comparison system 29 output terminals are connected with speed feedback motor 32 by signaling line, and the output shaft of speed feedback motor 32 is connected with speed feedback worm screw 11.Pto 12 right-hand members are fixed with guide gear 38, guide gear 38 is engaged with the transmission gear 46 that is fixed on the gear shaft, another of the gear shaft the other end transmits gear 47 and is engaged with the guide gear 45 that is positioned at guide gear 38 right sides by tumbler gear 39, the place, axle center of guide gear 45 is installed with shift fork wheel shaft 40, shift fork wheel shaft 40 right-hand members are fixed with the forked plectrum wheel 42 that has the shift fork 41 that commutates, and are fixed with power outlet terminal wheel 43 on the shift fork wheel shaft 40 of guide gear 39 left ends.In the specific implementation process, after the power input shaft 4 of infinitely variable speed transmission obtains the outside power that applies, power is through active force gear 3, main planetary gear frame gear 2 is sent to main planetary gear frame 1, the primary planet angular wheel 6 that drives on the main planetary gear axle 5 revolves round the sun around two sun gears, rotating speed induced signal comparison system 29 is given 32 1 initial feedback tach signals of speed feedback motor by signaling line simultaneously, make speed feedback motor 32 obtain an initial feedback rotating speed, speed feedback motor 32 is sent to speed feedback worm screw 11 to the initial feedback rotating speed by flange plate, come Passive Control speed feedback worm gear 10, specifically as shown in Figure 3, the sense of rotation of fixing speed feedback worm gear 10 is C on the speed feedback axle 9, power rotating speed on the speed feedback worm gear 10 is sent to speed feedback worm screw 11, and worm-and-wheel gear has anti-reverse functions, the power rotating speed can not continue downward transmission, 11 need of speed feedback worm screw with feedback rotating speed rotate along speed feedback worm screw sense of rotation B, just can be with minimum power Passive Control speed feedback worm gear 10, reach the purpose of speed feedback worm screw 11 Passive Control speed feedback worm gears 10, thereby make the speed feedback sun gear 7 on the speed feedback axle 9 obtain an initial feedback rotating speed, primary planet angular wheel 6 is under the acting in conjunction of two rotating speeds, revolve round the sun and center on main planetary gear axle 5 around feedback sun gear 7 and power output sun gear 8 and carry out rotation, feedback rotating speed according to speed feedback sun gear 7, make power output sun gear 8 obtain the outputting power rotating speed, power is exported to pto 12; Fixing forked plectrum wheel 42 move left and right on the commutation shift fork 41 control shift fork wheel shafts 40, fixing power outlet terminal is taken turns 43 moving according to the shift fork wheel shaft on the shift fork wheel shaft 40, respectively with 45 engagements of guide gear 38 or another guide gear, obtain the power rotating speed identical or opposite respectively with guide gear 38.After rotating speed induced signal that power output speed sensor 30 obtains transmitting surpasses initialize signal, rotating speed induced signal comparison system 29 carries out the contrast of rated speed induced signal, rotating speed induced signal comparison system 29 is according to the rotating speed induced signal of power input speed sensor 31 and 30 inputs of power output speed sensor, the speed feedback signal that draws after contrast is offered speed feedback motor 32, speed feedback motor 32 obtains feeding back rotating speed, and then be transferred to speed feedback worm screw 11 and come Passive Control speed feedback worm gear 10, primary planet angular wheel 6 carries out rotation and revolution according to two rotating speeds, make pto 12 obtain the outputting power rotating speed, at this moment infinitely variable speed transmission enters the stepless change state; When the rotating speed induced signal of power output speed sensor 30 and power input speed sensor 31 is identical, rotating speed induced signal comparison system 29 does not provide the feedback tach signal to speed feedback motor 32, speed feedback sun gear 7 is static, at this moment the power rotating speed on the power input shaft 4 all is sent to power output sun gear 8 through primary planet angular wheel 6, and pto 12 obtains whole power; When the rotating speed induced signal that inputs to rotating speed induced signal comparison system 29 when power output speed sensor 30 is higher than power input speed sensor 31 and inputs to the rotating speed induced signal of rotating speed induced signal comparison system 29, rotating speed induced signal comparison system 29 does not provide the feedback tach signal to speed feedback motor 32, speed feedback sun gear 7 is static, at this moment the primary planet angular wheel 6 of the power on the pto 12 on main planetary gear axle 5, main planetary gear frame 1, main planetary gear frame gear 2 all is sent on the power input shaft 4, and infinitely variable speed transmission enters the dynamic braking state; The sense of rotation of whole process medium speed feedback sun gear 7, power output sun gear 8, main planetary gear frame 1 is opposite with power input shaft sense of rotation A.
Claims (5)
1. infinitely variable speed transmission, it is characterized in that comprising main planetary gear group and rotating speed contrast mechanism, the main planetary gear group comprises main planetary gear frame (1), main planetary gear frame (1) left side is fixed with main planetary gear frame gear (2), main planetary gear frame gear (2) is engaged with active force gear (3), active force gear (3) is fixed on the power input shaft (4), main planetary gear frame (1) is fixed with main planetary gear axle (5) up and down between the two ends, be with primary planet angular wheel (6) on the main planetary gear axle (5), primary planet angular wheel (6) two ends, the left and right sides are engaged with feedback sun gear (7) and power output sun gear (8) respectively, feedback sun gear (7) left side is fixed with the speed feedback axle (9) that passes main planetary gear frame (1) and main planetary gear frame gear (2), speed feedback axle (9) left end is fixed with speed feedback worm gear (10), speed feedback worm gear (10) is engaged with speed feedback worm screw (11), and power output sun gear (8) right side is fixed with pto (12); Rotating speed contrast mechanism comprises secondary planetary carrier (13), secondary planetary carrier (13) left end is fixed with secondary planetary carrier gear (14), secondary planetary carrier gear (14) is engaged with transition gear (15), transition gear (15) end face is fixed with the speed feedback flywheel (16) that its inner ring is fixed on speed feedback worm screw (11) one ends, secondary planetary carrier (13) is fixed with secondary planet pin (17) in two ends up and down, be with secondary planet angular wheel (18) on the secondary planet pin (17), secondary planet angular wheel (18) two ends, the left and right sides are engaged with input speed sun gear (19) and output speed sun gear (20) respectively, input speed sun gear (19) left side is fixed with the input speed axle (21) that passes secondary planetary carrier (13) and secondary planetary carrier gear (14), be fixed with input speed flywheel (22) on the input speed axle (21) in secondary planetary carrier gear (14) left side, input speed flywheel (22) outer ring is engaged with the input speed gear (23) that has gear shaft, the gear shaft the other end is fixed with input speed gear (24), input speed gear (24) is engaged with the power input speed gear (25) that is fixed on the power input shaft (4), output speed sun gear (20) right side is fixed with output speed gear shaft (26), be fixed with output speed gear (27) on the output speed gear shaft (26), output speed gear (27) is engaged with the power rotating speed output gear (28) that is fixed on the pto (12).
2. infinitely variable speed transmission according to claim 1, it is characterized in that described rotating speed contrasts mechanism and replaces with following structure, rotating speed contrast mechanism after the replacement comprises the rotating speed induced signal comparison system (29) that is connected with input power cord, the input end of rotating speed induced signal comparison system (29) is connected with power input speed sensor (31) on being enclosed within power input shaft (4) with power output speed sensor (30) on being enclosed within pto (12) by signaling line respectively, rotating speed induced signal comparison system (29) output terminal is connected with speed feedback motor (32) by signaling line, and the output shaft of speed feedback motor (32) is connected with speed feedback worm screw (11).
3. infinitely variable speed transmission according to claim 1, it is characterized in that being fixed with initial velocity flywheel (33) on the input speed axle (21) in input speed flywheel (22) left side, initial velocity flywheel (33) outer ring is engaged with the transmission gear (34) that is fixed on the gear shaft, the gear shaft the other end is fixed with and transmits gear (35), transmits gear (35) and is engaged with the initial velocity gear (37) that is fixed on the output speed gear shaft (26) by tumbler gear (36).
4. according to claim 1 or 2 or 3 described infinitely variable speed transmissions, it is characterized in that pto (12) right-hand member is fixed with guide gear (38), guide gear (38) is engaged with the transmission gear (46) that is fixed on the gear shaft, the transmission gear (47) of the gear shaft the other end is engaged with the guide gear (45) that is positioned at guide gear (38) right side by tumbler gear (39), the place, axle center of guide gear (45) is installed with shift fork wheel shaft (40), shift fork wheel shaft (40) right-hand member is fixed with the forked plectrum wheel (42) that has commutation shift fork (41), is fixed with power outlet terminal wheel (43) on the shift fork wheel shaft (40) of guide gear (39) left end.
5. according to claim 1 or 3 described infinitely variable speed transmissions, it is characterized in that being fixed with the flying wheel (44) that is enclosed within on the input speed axle (21) on the inner ring end face of input speed flywheel (22).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910227974 CN101718331A (en) | 2009-12-03 | 2009-12-03 | Stepless speed change driver |
| CN 201010531629 CN101982676B (en) | 2009-12-03 | 2010-10-26 | Variable-speed drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910227974 CN101718331A (en) | 2009-12-03 | 2009-12-03 | Stepless speed change driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101718331A true CN101718331A (en) | 2010-06-02 |
Family
ID=42432944
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910227974 Pending CN101718331A (en) | 2009-12-03 | 2009-12-03 | Stepless speed change driver |
| CN 201010531629 Expired - Fee Related CN101982676B (en) | 2009-12-03 | 2010-10-26 | Variable-speed drive device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010531629 Expired - Fee Related CN101982676B (en) | 2009-12-03 | 2010-10-26 | Variable-speed drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101718331A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958625A (en) * | 2017-05-09 | 2017-07-18 | 天津工业大学 | A kind of coaxial-type face gear planet system |
| CN107882935A (en) * | 2017-12-08 | 2018-04-06 | 李万民 | A kind of stepless automatic gear shifting in gear drive |
| CN107975571A (en) * | 2017-12-08 | 2018-05-01 | 江苏南自通华电力自动化股份有限公司 | A kind of three endpoint column planetary gear high-power energy saving governing systems |
| CN114744824A (en) * | 2022-05-11 | 2022-07-12 | 星河智源(深圳)科技有限公司 | Energy-saving and environment-friendly intelligent output motor capable of independently controlling rotating speed |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012122680A1 (en) * | 2011-03-17 | 2012-09-20 | Li Mingsheng | Feedback-type differential automatic stepless transmission |
| CN103115119A (en) * | 2013-02-05 | 2013-05-22 | 刘振国 | Wide-range high-power infinitely variable transmission |
| CN106895125A (en) * | 2015-12-18 | 2017-06-27 | 熵零技术逻辑工程院集团股份有限公司 | Universal driving device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177130Y (en) * | 1993-04-01 | 1994-09-14 | 石玉山 | Planet gear stepless speed transmission |
| CN2303978Y (en) * | 1997-09-30 | 1999-01-13 | 石玉山 | Vector-resultant type epicyclic-gear stepless speed-changer |
| CN2340981Y (en) * | 1998-05-12 | 1999-09-29 | 万侠 | Planetary gearing stepless variator |
| KR20020062066A (en) * | 2001-01-19 | 2002-07-25 | 신혁철 | Continuously variable transmission having high transmission efficiency and durability |
| RU2185553C2 (en) * | 2001-03-15 | 2002-07-20 | Кочетков Борис Федорович | Automatic stepless mechanical transmission |
| CN2680928Y (en) * | 2004-02-24 | 2005-02-23 | 陈德华 | Stepless speed change device for vehicle |
-
2009
- 2009-12-03 CN CN 200910227974 patent/CN101718331A/en active Pending
-
2010
- 2010-10-26 CN CN 201010531629 patent/CN101982676B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958625A (en) * | 2017-05-09 | 2017-07-18 | 天津工业大学 | A kind of coaxial-type face gear planet system |
| CN106958625B (en) * | 2017-05-09 | 2023-09-01 | 天津工业大学 | Coaxial face gear planetary transmission system |
| CN107882935A (en) * | 2017-12-08 | 2018-04-06 | 李万民 | A kind of stepless automatic gear shifting in gear drive |
| CN107975571A (en) * | 2017-12-08 | 2018-05-01 | 江苏南自通华电力自动化股份有限公司 | A kind of three endpoint column planetary gear high-power energy saving governing systems |
| CN114744824A (en) * | 2022-05-11 | 2022-07-12 | 星河智源(深圳)科技有限公司 | Energy-saving and environment-friendly intelligent output motor capable of independently controlling rotating speed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101982676A (en) | 2011-03-02 |
| CN101982676B (en) | 2012-07-25 |
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Open date: 20100602 |