CN2740841Y - Energy-storing speed variator - Google Patents
Energy-storing speed variator Download PDFInfo
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- CN2740841Y CN2740841Y CN 200420093791 CN200420093791U CN2740841Y CN 2740841 Y CN2740841 Y CN 2740841Y CN 200420093791 CN200420093791 CN 200420093791 CN 200420093791 U CN200420093791 U CN 200420093791U CN 2740841 Y CN2740841 Y CN 2740841Y
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Abstract
The utility model discloses an energy storage convergent speed change device, which is provided with a gear for regulating speed, and the gear is controlled by a speed limiter. The rotation of the gear for regulating speed is separated from the rotation of an input shaft, the gear for regulating speed is engaged with an external tooth ring through a gear train, and the external tooth ring is supported on a one-way bearing which can limit the rotation direction of the external tooth ring. The gear for regulating the speed is a sun gear for regulating speed, the input shaft of the sun gear for regulating speed or an input sun gear is provided or fixedly connected with a planetary gear carrier integrally, and a planetary gear set on the planetary gear carrier is engaged between the external tooth ring and the sun gear for regulating speed. The utility model adopts planetary gear drive, having the advantages of simple structure, low manufacture cost, few control elements, convenient speed changing operation, high power drive realization, wide range speed change, high precision regulation, feedback type automatic speed regulation, high drive efficiency, wide application range and reliable work.
Description
Technical field
The utility model relates to a kind of accumulation of energy convergence type speed change gear that utilizes planetary gears to realize, is applicable to the speed change transmission in automotive transmission and the engineering machinery.
Background technique
Stepless speed variator system is crucial to automotive industry, and it not only can make motor car engine remain peak efficiency under various conditions, and can make motor reduce oil consumption rate, reduces the toxic gas in the discharging waste gas, avoids producing atmospheric pollution.
At present, the kind of stepless speed variator is more, and application mainly is automobile and motorcycle industry.The stepless speed variator of using on the automobile mainly contains automatic transmission and steel-belt type stepless speed variator.Use at most with the rubber belt type stepless speed variator on the motorcycle, it is identical with the steel-belt type stepless speed variator principle used on the automobile.The system that automatic transmission is made up of many groups planetary pinion and fluid torque converter, its method for changing speed is to carry out speed change by planetary pinion, flexible buffer connection with fluid torque converter overcomes the impact that gear ratio is brought, to reach infinite variable speed purpose, this speed changer structure complexity, quality is big, and volume is big, and maintenance and maintenance difficulty are big.The steel-belt type stepless speed variator is that the steel wheel by two variable-diameters connects with steel band, and cooperates fluid torque converter to finish infinite variable speed overall process jointly.Though the steel-belt type stepless speed variator is simple in structure, in light weight, the diameter of steel wheel needs very accurate pressure control, this has strengthened difficulty for manufacturing technology, if it is excessive to drive quality, steel band can skid, so the steel-belt type stepless speed variator is only for using on the small-sized and minicar of compactness.They all need to carry out back work with fluid torque converter.
The model utility content
Technical problem to be solved in the utility model is to overcome the above deficiency of prior art, and a kind of accumulation of energy convergence type speed change gear that need not fluid torque converter is provided, and its variable speed operation is convenient, and transmission power is big, efficient is high, and adjustable wide ranges.
For solving the problems of the technologies described above, the utility model provides a kind of accumulation of energy convergence type speed change gear, comprise input shaft, input sun gear, planetary gear set, external toothing, the planetary carrier and the output shaft of described planetary gear set are affixed, this planetary gear set is engaged between external toothing and the input sun gear, also be provided with speed governing gear simultaneously by speed limiting device control, this speed governing is separated with the rotation of gear and the rotation of input shaft, and via train and external toothing engagement, this external toothing is bearing on the unilateral bearing that can limit its sense of rotation with gear in this speed governing.
As its further improvement, described speed governing gear is a speed governing sun gear, be wholely set or be connected with a planetary carrier on described input shaft or the input sun gear, the planetary gear set on this planetary carrier is engaged in described external toothing and speed governing is used between the sun gear.
Improve as another kind, described speed governing gear is a speed governing sun gear, and described planetary gear set is two groups of planetary gear set that are installed in the same planetary carrier, and they have the axis common with input shaft, and is provided with before and after axial direction; One group of planetary gear set near output terminal is engaged between input sun gear and the external toothing, and one group of planetary gear set of close input end then is engaged between aforementioned external teeth circle and the speed governing sun gear.
As its another improvement, described speed governing gear is a speed governing sun gear, and described planetary gear set is two groups of planetary gear set that are installed in the same planetary carrier, and they have the axis common with input shaft, and is provided with before and after axial direction; The planetary pinion of two groups of planetary gear set intermeshes, and is engaged between input sun gear and the external toothing near one group of planetary gear set of output shaft, and is separated away from the one group of planetary gear set and the external toothing of output shaft, and be meshed with described speed governing sun gear.
Described speed limiting device can flow viscous motion or magnetic braking device for liquid, for adopting liquid stream viscous motion device, it can comprise a hydraulic pump body, has oil input channel and oil expulsion channel on this pump housing, this oil input channel is communicated to hydraulic oil, is provided with oily flow control valve at oil input channel or oil expulsion channel side; And for adopting the magnetic braking device, it comprises is located at speed governing with the coil around the gear, is provided with movably magnetic core in the coil, and the magnetic force that coil produces is opposite with the direction that gear rotates with speed governing.
For solving the problems of the technologies described above, under identical inventive concept, the utility model also provides another accumulation of energy convergence type speed change gear, comprise input shaft, input sun gear, output planetary gear train, external toothing, the planetary carrier and the output shaft of described output planetary gear train are affixed, described input sun gear has two, and they are provided with before and after the axial direction of input shaft; Also be provided with two groups respectively by the speed governing planetary gear set of speed limiting device control, it rotates and the rotation of input shaft is separated, and they have the axis common with input shaft, and are provided with before and after axial direction; Sun gear in the middle of being provided with one between two input sun gears, the rotation of this centre sun gear and the rotation of input shaft are separated, and are connected with a little gear ring on this centre sun gear; Described speed governing planetary gear set away from output shaft is engaged between the input sun gear and little gear ring away from output shaft, in the middle of another speed governing planetary gear set then is engaged between sun gear and the external toothing; Described external toothing is bearing on the unilateral bearing that can limit its sense of rotation.
Described speed limiting device can flow viscous motion or magnetic braking device for liquid, for adopting liquid stream viscous motion device, it can comprise a hydraulic pump body, has oil input channel and oil expulsion channel on this pump housing, this oil input channel is communicated to hydraulic oil, is provided with oily flow control valve at oil input channel or oil expulsion channel side; And for adopting the magnetic braking device, it comprises is located at speed governing with the coil around the gear, is provided with movably magnetic core in the coil, and the magnetic force that coil produces is opposite with the direction that gear rotates with speed governing.
The utility model adopts the planetary gears transmission, and it is simple in structure, low cost of manufacture, and control unit is few, and variable speed operation is convenient; It goes to speed governing with gear or wheels by rotating speed that input shaft is imported and power through gear drive, power is stored, when needing it to participate in output, method by liquid stream viscous motion or magnetic braking is released into speed governing on the output shaft via train, gear ring, planetary carrier feedback with rotating speed and the power that gear or wheels store, realize high-power transmission, the wide range speed change, highi degree of accuracy is regulated, reaction type automatic speed regulation, the transmission efficiency height, applied widely, reliable operation, long service life.
Description of drawings
Fig. 1 is the structural representation of first kind of mode of execution of the present utility model;
Fig. 2 is the structural representation of second kind of mode of execution of the present utility model;
Fig. 3 is the structural representation of the third mode of execution of the present utility model;
Fig. 4 is the structural representation of the 4th kind of mode of execution of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Figure 1 shows that first kind of mode of execution of the utility model accumulation of energy convergence type speed change gear, it comprises input shaft 1, two groups of planetary gear set 2,3, external toothing 4, output shaft 5 and speed governing sun gear 6, input shaft 1 rotates synchronously with input sun gear 7, and they can be integrative-structures, also can be to be fixedly connected, can also be in addition the branch body structure and by interior external tooth intermesh with realize to rotate synchronously.Described two groups of planetary gear set 2,3 have common axis, the dead in line of this axis and input shaft, and planetary gear set 2,3 is provided with before and after axial direction.Wherein the planetary gear set 2 near output terminal is engaged between input sun gear 7 and the external toothing 4, and the planetary carrier 8 of this planetary gear set 2 is affixed with output shaft 5; The planetary carrier of the planetary gear set 3 of close input end is fixed on input shaft 1 or the input sun gear 7, certainly can also be integrative-structure between planetary carrier and input shaft 1 or the input sun gear 7 here, planetary gear set 3 is engaged between aforementioned external teeth circle 4 and the speed governing sun gear 6, and this speed governing sun gear 6 can be separated around input shaft 1 rotation and with the rotation of input shaft 1.The external toothing 4 outer unilateral bearings 9 that also are arranged with, its effect are to prevent that external toothing 4 works from counterclockwise rotating.(said here counter clockwise direction with regard to the power input direction, the counter clockwise direction during promptly from input shaft towards output shaft, below mentioned clockwise or also in like manner counterclockwise.)
Its working principle and process are as follows: input shaft 1 turns round in the direction of the clock and imports power, and as not locking external toothing 4, then each planetary pinion of planetary gear set 2 is done rotation counterclockwise, drives external toothing 4 simultaneously also by rotation counterclockwise.Because each planetary pinion of planetary gear set 2 revolve round the sun, thereby planetary carrier 8 do not rotate, and output shaft 5 also is static, so there is not power to export.External toothing 4 is outer to be arranged with unilateral bearing 9 it is counterclockwise locked, each planetary pinion of planetary gear set 2 is to borrow the force with external toothing 4 just so, do clockwise revolution along the inwall of external toothing 4, rotate thereby drive planetary carrier 8 clockwise directions, and each planetary pinion of planetary gear set 2 is still done anticlockwise rotation.
Because the planetary carrier of planetary gear set 3 rotates synchronously with input shaft 1 and input sun gear 7, when input shaft 1 and the rotation of input sun gear 7 clockwise directions, each planetary pinion that also drives planetary gear set 3 is simultaneously done clockwise synchronous revolution along the inwall of external toothing 4, each planetary pinion is then done anticlockwise rotation, and drives speed governing sun gear 6 and run up as clockwise direction.The external toothing 4 of this moment is static, and output shaft 5 is lowest speed output.At this moment regulate the rotational speed of control speed governing sun gear 6 with the mechanism of liquid stream viscous motion or magnetic braking, make it rotating speed speed on demand and controlled.Along with the speed of speed governing sun gear 6 is limited, the variation of this rotating speed and power acts on the external toothing 4 by planetary gear set 3, this moment, external toothing 4 was to borrow the force with unilateral bearing 9, with planetary carrier 8 differential (pulsation) running in the direction of the clock, the rotating speed of speed governing sun gear 6 is controlled must be slow more, the rotating speed of external toothing 4 is just fast more, and the rotating speed of output shaft 5 outputs is also just fast more, thereby plays the speed-raising effect.Also mentioned above, if liquid stream viscous motion or braking speed governing sun gear 6 are not exactly that output shaft 5 is exported with minimum speed.This structure just can play infinite variable speed effect.
Also can understand the work of speed governing sun gear 6 like this: act on planetary gear set 3, power from planetary carrier 8 is changed over to speed governing sun gear 6 to be done and runs up, power is stored, when needing it to participate in output, the method that flows viscous motion or braking with liquid is discharged into output shaft to the power that speed governing sun gear 6 stores by the common output of the differential of planetary carrier 8, external toothing 4, planetary gear set 2.
Below the working principle of above-mentioned liquid stream viscous motion arrangements for speed regulation is carried out simple declaration, these arrangements for speed regulation can adopt the mode of gear pump, being about to the gear sealing is installed in the pump housing, have oil input channel and oil expulsion channel on the pump housing, this oil input channel is communicated to hydraulic oil, is provided with oily flow control valve in the oil expulsion channel side.When motor is delivered to constant rotating speed on the input sun gear by input shaft, open oily flow control valve fully this moment, then importing sun gear rotates with corresponding speed ratio by planetary gear set drive speed governing sun gear, after the speed governing sun gear rotates, will drive hydraulic oil and suck the pump housing, and discharge from oil expulsion channel by oil input channel; If flow control valve do not add effect, hydraulic oil will be under the effect of gear pump Rapid Cycle.Because external toothing is bearing on the unilateral bearing that can limit its sense of rotation, therefore can't rotate, remain static.At this moment the rotating speed of output shaft is minimum comparatively speaking, the moment of torsion maximum.
If close oily flow control valve gradually this moment, the discharge resistance of hydraulic oil can strengthen gradually, when the discharge resistance of hydraulic oil greatly when gear rotational speed is reduced, because of the input shaft rotating speed does not become, so the input sun gear that external toothing is transfused on the axle passes through the planetary gear set driven rotary.
If the valve in the control valve bore is closed fully, hydraulic oil is arranged fully and is not gone out, and discharges resistance the speed governing sun gear can't be rotated fully, and at this moment external toothing is issued to the highest rotating speed in the planetary gear set drive of input shaft, and the rotating speed of output shaft also reaches maximum simultaneously, the moment of torsion minimum.
This stepless speed variator is to utilize the variation in pressure of hydraulic oil to alleviate the impact variation of input shaft rotating speed, thereby realizes infinite variable speed.It utilizes fluid power liquid stream viscous motion differential, and regulate the internal power proportioning with circulating fluid, input shaft power is pooled on the output shaft after allotment, utilizes valve to carry out continuous control to the flow velocity of circulating fluid, therefore the means of the available continuous adjusting flow control valve valve amount of opening realize stepless change.
And for above-mentioned magnetic braking device, then can adopt hot-wire coil to realize, should note making the sense of rotation of the magnetic force of its generation and speed governing sun gear just the opposite in the time of concrete enforcement, promptly, when speed governing sun crop rotation clockwise direction rotated, hot-wire coil produced anticlockwise magnetic force.In order to realize control to speed governing sun gear rotating speed, one iron core is set in coil, this iron core is driven by hydraulic mechanism and does translational motion, to change the magnetic flux of coil, thereby change the size of its magnetic force, and then the rotating speed of realizing the speed governing sun gear is the most at a high speed and stop to do between the different two states stepless variation fully.
Figure 2 shows that second kind of mode of execution of the utility model accumulation of energy convergence type speed change gear, it comprises input shaft 11, two groups of planetary gear set 12,13, external toothing 14, output shaft 15 and speed governing sun gear 16, be wholely set or be connected with input sun gear 17 on the input shaft 11, described two groups of planetary gear set 12,13 have common axis, the dead in line of this axis and input shaft, and planetary gear set 12,13 is provided with before and after axial direction, they are contained in the same planetary carrier 18, and this planetary carrier 18 is affixed with output shaft 15; Wherein one group of planetary gear set 12 near output terminal is engaged between input sun gear 17 and the external toothing 14, then be engaged between aforementioned external teeth circle 14 and the speed governing sun gear 16 near one group of planetary gear set 13 of input end, this speed governing sun gear 16 can rotate and is separated with the rotation of input shaft 11 around input shaft 11.The external toothing 14 outer unilateral bearings 19 that also are arranged with, its effect are to prevent that external toothing 14 works from counterclockwise rotating.
Its working principle and process are as follows: input shaft 11 turns round in the direction of the clock and imports power, and as not locking external toothing 14, then each planetary pinion of planetary gear set 12 is done rotation counterclockwise, drives external toothing 14 simultaneously also by rotation counterclockwise.Because each planetary pinion of planetary gear set 12 revolve round the sun, thereby planetary carrier 18 do not rotate, and output shaft 15 also is static, so there is not power to export.
Because external toothing 14 is outer to be arranged with unilateral bearing 19 it is counterclockwise locked, each planetary pinion of planetary gear set 12 is to borrow the force with external toothing 14 just so, do clockwise revolution along the inwall of external toothing 14, rotate thereby drive planetary carrier 8 clockwise directions, and each planetary pinion of planetary gear set 12 is still done anticlockwise rotation.Because planetary gear set 13 is contained on the same planetary carrier 18 with planetary gear set 12, when planetary carrier 18 clockwise directions rotate, each planetary pinion that also drives planetary gear set 13 is simultaneously done clockwise revolution along the inwall of external toothing 14, then do anticlockwise rotation separately, and drive speed governing sun gear 16 and run up as clockwise direction.The external toothing 14 of this moment is static, and output shaft is lowest speed output.At this moment regulate the rotational speed of control speed governing sun gear 16 with the mechanism of liquid stream viscous motion or braking, make it rotating speed speed on demand and controlled.Along with the speed of speed governing sun gear 16 is limited, the variation of this rotating speed and power acts on the external toothing 14 by planetary gear set 13, this moment, external toothing 14 was to borrow the force with unilateral bearing 19, with planetary carrier 18 differential (pulsation) running in the direction of the clock, the rotating speed of speed governing sun gear 16 is controlled must be slow more, the rotating speed of external toothing 14 is just fast more, and the rotating speed of output shaft 15 outputs is also just fast more, thereby plays the speed-raising effect.Also mentioned above, if liquid stream viscous motion or braking speed governing sun gear 16 are not exactly that output shaft 15 is exported with minimum speed.This structure just can play infinite variable speed effect.
Also can understand the work of speed governing sun gear 16 like this: act on planetary gear set 13, power from planetary carrier 18 is changed over to speed governing sun gear 16 to be done and runs up, power is stored, when needing it to participate in output, the method that flows viscous motion or braking with liquid is discharged into output shaft to the power that speed governing sun gear 16 stores by the common output of the differential of planetary carrier 18, external toothing 14, planetary gear set 12.
Figure 3 shows that the third mode of execution of the present utility model, in this embodiment, comprise input shaft 21 equally, be wholely set or affixed input sun gear 22 with input shaft 21, external toothing 23, output shaft 24, be contained on the same planetary carrier 25, have the axis common with input shaft, and two groups of planetary gear set 26 that are provided with along the axial direction front and back, 27, wherein between the planetary gear set 26 engagement input sun gears 22 and external toothing 23 near output shaft 24, planetary carrier 25 is affixed with output shaft 24, the external toothing 23 outer unilateral bearings 28 that are arranged with, have the speed governing sun gear 29 that can rotate and be separated with the rotation of input shaft 21 around input shaft 21 in addition, be meshed with speed governing sun gear 29 away from the planetary gear set 27 of output shaft 24; Different is with first kind of mode of execution, is separated away from the planetary gear set 27 and the external toothing 23 of output shaft 24, and the planetary pinion of this planetary gear set 27 also is meshed with the planetary pinion of planetary gear set 26 simultaneously.
Its working principle and process are as follows: when input shaft 21 is imported power in the direction of the clock, as not locking external toothing 23, then do just rotation counterclockwise with the planetary pinion of input sun gear 22 planet gear meshed groups 26, planetary pinion drives external toothing 23 again and does counterclockwise to rotate, at this moment planetary carrier 25 is motionless, does not have power to output to output shaft 24.Because the external toothing 23 outer unilateral bearings 28 that are arranged with, locked rotating counterclockwise of external toothing 23, make planetary gear set 26 do clockwise revolution for borrowing the force, and drive planetary carrier 25 and the rotation of output shaft 24 clockwise directions, thereby finish power output with external toothing 23.
The planetary pinion of planetary gear set 26 also drive when doing rotation counterclockwise with its planet gear meshed group 27 on planetary pinion do the clockwise direction rotation, meanwhile, because planetary gear set 26 and planetary gear set 27 also are contained on the same planetary carrier 25, so planetary gear set 27 is also done clockwise revolution.Make each planet gear drives speed governing sun gear 29 of the planetary gear set 27 of clockwise direction rotation and do rotation counterclockwise, and rotating ratio planetary carrier 25 output speeds are also high a lot.Make its rotating speed reduce to and be controlled at certain numerical value on demand speed governing sun gear 29 usefulness liquid stream viscous motion above-mentioned or mode of braking this moment, and the variation of this rotating speed and power just feeds back in the planetary carrier 25 through planetary gear set 27 and 26.Because planetary gear set 26 is a low speed with the rotating ratio of external toothing 23, the rotating speed of that feedback will via planetary gear set 26 to external toothing 23 and and planetary carrier 25 do certain differential together in the direction of the clock and turn round simultaneously and export high speed power.Otherwise just slow down.
Figure 4 shows that the 4th kind of mode of execution of the present utility model, its part identical with preceding two kinds of mode of executions comprises input shaft 31, be wholely set or affixed input sun gear 32 with input shaft 31, external toothing 33, one group of planetary gear set 34 is engaged between input sun gear 32 and the external toothing 33, the planetary carrier 35 of this planetary gear set 34 is affixed with output shaft 36, the external toothing 33 outer unilateral bearings 37 that are arranged with.Be with the difference of preceding two kinds of mode of executions, also be respectively arranged with the planetary gear set 38,39 that two groups of speed governing are used, they are all around input shaft revolution, the wherein first speed governing planetary gear set, 38 to the second speed governing planetary gear set, 39 more close output shafts; Also be wholely set or be connected with the second input sun gear 40 on the input shaft, it imports sun gear 32 further from output shaft 36 than first, sun gear 41 in the middle of having one between input sun gear 40 and the input sun gear 32, middle sun gear 41 is separated with the rotation of input shaft 31; Be connected with a little gear ring 42 on the middle sun gear 41, above-mentioned speed governing planetary gear set 39 away from output shaft 36 is engaged between input sun gear 40 and the little gear ring 42, and another speed governing planetary gear set 38 then is engaged between middle sun gear 41 and the external toothing 33.Above-mentioned two groups of speed governing planetary gear set 38,39 are respectively by liquid stream viscous motion or the control of braking type arrangements for speed regulation.
Its working principle and process are as follows: input shaft 31 rotates input power in the direction of the clock, acts on planetary gear set 34 and planetary gear set 39 by input sun gear 32,40.Planetary gear set 34 just has load as power output, and external toothing 33 will counterrotating, but unilateral bearing 37 locking external toothings 33 can only turn round it in the direction of the clock, otherwise locking.Planetary gear set 34 just can produce moment and drive output shaft 36 rotations like this.Fix for any one group of speed governing planetary gear set 38,39, another group just can be used to adjust speed change and uses.
If, adjust with speed governing planetary gear set 39 the planetary carrier of speed governing planetary gear set 38 is fixed.When input shaft 31 turns round in the direction of the clock, drive planetary gear set 34 and 39 simultaneously.Speed governing planetary gear set 39 liquid stream viscous motion or braking, so little gear ring 42 is just pressed counterclockwise and is rotated, and this little gear ring 42 drives the middle sun gear affixed with it 41 rotation counterclockwise simultaneously.Because the planetary carrier of speed governing planetary gear set 38 is locked, therefore the planetary pinion of speed governing planetary gear set 38 is just driven rotation in a clockwise direction by middle sun gear 41, and the external toothing 33 that each planetary pinion drives with its engagement moves in the direction of the clock, the rotating speed of external toothing 33 and power converge on the output shaft 36 by planetary gear set 34 and planetary carrier 35, reach the purpose of output variable speed.
If, adjust with speed governing planetary gear set 38 the planetary carrier of speed governing planetary gear set 39 is fixed.When input shaft 31 turns round in the direction of the clock, input sun gear 40 drives the planetary pinion of speed governing planetary gear set 39 and does rotation counterclockwise, each planetary pinion drives little gear ring 42 again and middle sun gear 41 is done rotation counterclockwise, and because the counter clockwise direction of external toothing is locked, this is that speed governing planetary gear set 38 is done at a high speed revolution counterclockwise; If speed governing planetary gear set 38 liquid stream viscous motion or braking, then external toothing 33 begins to do the clockwise direction rotation, the revolution speed of speed governing planetary gear set 38 is more little, the rotational velocity of external toothing 33 is just fast more, the rotating speed of external toothing 33 and power converge on the output shaft 36 by planetary gear set 34 and planetary carrier 35, reach the purpose of output variable speed.
Protection domain of the present utility model is not limited to above-mentioned four kinds of concrete mode of executions; everyly do not exceed the present invention design; promptly go to speed governing with gear or wheels through gear drive by rotating speed that input shaft is imported and power; power is stored; when needing it to participate in output; method by liquid stream viscous motion or braking is released into speed governing on the output shaft via train, gear ring, planetary carrier feedback with rotating speed and the power that gear or wheels store; realize large-scale stepless change, such technological scheme all falls within the protection domain of the present utility model.
Claims (10)
1. accumulation of energy convergence type speed change gear, comprise input shaft, input sun gear, planetary gear set, external toothing, the planetary carrier and the output shaft of described planetary gear set are affixed, this planetary gear set is engaged between external toothing and the input sun gear, it is characterized in that: also be provided with speed governing gear by speed limiting device control, this speed governing is separated with the rotation of gear and the rotation of input shaft, and via train and external toothing engagement, this external toothing is bearing on the unilateral bearing that can limit its sense of rotation with gear in this speed governing.
2. accumulation of energy convergence type speed change gear according to claim 1, it is characterized in that: described speed governing gear is a speed governing sun gear (6), be wholely set or be connected with a planetary carrier on described input shaft (1) or the input sun gear (7), the planetary gear set on this planetary carrier (3) is engaged in described external toothing (4) and speed governing is used between the sun gear (6).
3. accumulation of energy convergence type speed change gear according to claim 1, it is characterized in that: described speed governing gear is a speed governing sun gear (16), described planetary gear set is for being installed in the two groups of planetary gear set (12,13) in the same planetary carrier (18), they have and the common axis of input shaft (11), and are provided with before and after axial direction.
4. accumulation of energy convergence type speed change gear according to claim 3, it is characterized in that: the one group of planetary gear set (12) near output terminal is engaged between input sun gear (17) and the external toothing (14), and one group of planetary gear set (13) of close input end then is engaged between aforementioned external teeth circle (14) and the speed governing sun gear (16).
5. accumulation of energy convergence type speed change gear according to claim 3, it is characterized in that: the planetary pinion of two groups of planetary gear set (26,27) intermeshes, one group of planetary gear set (26) near output terminal is engaged between input sun gear (22) and the external toothing (23), and be separated with external toothing (23), and be meshed with described speed governing sun gear (29) near one group of planetary gear set (27) of input end.
6. according to the arbitrary described accumulation of energy convergence type speed change gear of claim 1 to 5, it is characterized in that: described speed limiting device is liquid stream viscous motion or magnetic braking device.
7. accumulation of energy convergence type speed change gear according to claim 6, it is characterized in that: described liquid stream viscous motion device comprises a hydraulic pump body, have oil input channel and oil expulsion channel on this pump housing, this oil input channel is communicated to hydraulic oil, is provided with oily flow control valve at oil input channel or oil expulsion channel side.
8. accumulation of energy convergence type speed change gear according to claim 6, it is characterized in that: described magnetic braking device comprises is located at speed governing with the coil around the gear, be provided with movably magnetic core in the coil, the magnetic force that coil produces is opposite with the direction that gear rotates with speed governing.
9. accumulation of energy convergence type speed change gear, comprise input shaft (31), input sun gear (32,40), output planetary gear train (34), external toothing (33), the planetary carrier of described output planetary gear train (35) is affixed with output shaft (36), it is characterized in that: described input sun gear has two, and they are provided with before and after the axial direction of input shaft; Also be provided with two groups respectively by the speed governing planetary gear set (38,39) of speed limiting device control, it rotates and the rotation of input shaft (31) is separated, and they have the axis common with input shaft, and are provided with before and after axial direction; Sun gear (41) in the middle of being provided with one between two input sun gears, the rotation of the rotation of this centre sun gear and input shaft (31) is separated, and is connected with a little gear ring (42) on this centre sun gear (41); Described speed governing planetary gear set (39) away from output shaft (36) is engaged between the input sun gear (40) and little gear ring (42) away from output shaft (36), in the middle of another speed governing planetary gear set (38) then is engaged between sun gear (41) and the external toothing (33); Described external toothing (33) is bearing on the unilateral bearing (37) that can limit its sense of rotation.
10. accumulation of energy convergence type speed change gear according to claim 9 is characterized in that: described speed limiting device is liquid stream viscous motion or magnetic braking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093791 CN2740841Y (en) | 2004-09-30 | 2004-09-30 | Energy-storing speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093791 CN2740841Y (en) | 2004-09-30 | 2004-09-30 | Energy-storing speed variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2740841Y true CN2740841Y (en) | 2005-11-16 |
Family
ID=35351131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420093791 Expired - Fee Related CN2740841Y (en) | 2004-09-30 | 2004-09-30 | Energy-storing speed variator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2740841Y (en) |
-
2004
- 2004-09-30 CN CN 200420093791 patent/CN2740841Y/en not_active Expired - Fee Related
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