CN108662096A - Infinitely variable speed device - Google Patents
Infinitely variable speed device Download PDFInfo
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- CN108662096A CN108662096A CN201810744585.6A CN201810744585A CN108662096A CN 108662096 A CN108662096 A CN 108662096A CN 201810744585 A CN201810744585 A CN 201810744585A CN 108662096 A CN108662096 A CN 108662096A
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- speed
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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
- F16H3/76—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with an orbital gear having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Infinitely variable speed device, including planetary gear set, speed change can be changed link chain mechanism, power input shaft, power output shaft, one in gear ring or sun gear or planet carrier in planetary gear set is planetary gear input terminal, another is planetary gear output end, remaining one is planetary gear speed governing end, planetary gear input terminal couples with power input shaft power, planetary gear output end couples with power output shaft power, it includes active wheels and driven wheels that speed change, which can be changed link chain mechanism, driven wheels couple with planetary gear speed governing end power, active wheels couple with power input shaft or power output shaft or planetary gear input terminal or planetary gear output end power；The transmission power of energy continuous variable, the arbitrary transformation of drive shift, reverse drive gear and neutral gear can steadily be realized by not depending on clutch, when bearing larger load can reliable stable passing power, increase the output torque of vehicle lowest gear, improve vehicle heavy duty starting and climbing capacity.
Description
Technical field
The present invention provides a kind of infinitely variable speed device.
Background technology
Automotive transmission is divided into manual gear gearbox and automatic transmission, and manual gear gearbox is by driver by needing to change shelves
Different gear ratios is realized in position, inconvenient, with reaching its maturity for automatic transmission technology, has been increasingly becoming household vapour
The standard configuration of vehicle, but at present, the most still gear-engaged type speed changer of automatic transmission, in order to reduce fluid drive
The pause and transition in rhythm or melody sense that device generates, generally use increases numbers of gear steps in automatic transmission and speed change is smoothed out, but the quantity of gear increases,
Gear, planetary quantity are also increased, leads to that the volume of automatic transmission is larger, weight increases, to increase oil consumption；
Also a kind of CVT (Conti nuouslyVariableTransmission) automatic transmission is using the company that can be changed link chain mechanism
Continuous drive technology, structure include mainly the bases such as active wheels, driven wheels, transmission belt, variable-speed controller (TCU) and hydraulic pump
This component, the driven wheel in driving wheel and driven wheels in active wheels are all the movable plate and fixed disk group by cone structure
It links at the opposite transmission belt cooperation for forming V-groove and V-type of the conical surface of, movable plate and fixed disk, since movable plate can be
Slided on corresponding wheel shaft under the drive of hydraulic pump module, can change in driving wheel and/or driven wheel movable plate and
The spacing of fixed disk realizes variable speed so as to continuously change the engagement diameter at transmission belt both ends, the automatic transmission it is excellent
Point be light-weight, small, part is few, have higher operational efficiency, oil consumption is relatively low, the disadvantage is that transmission belt bear it is larger
Slipping phenomenon can occur when load, be typically only capable to apply on the automobile of small displacement low-power and low torque, the type it is automatic
Speed changer occupation rate is relatively low.
Either manual transmission or automatic transmission, before the handover into being required for during shelves, reverse drive gear, neutral gear
The clutch configuration relied in clutch, especially automatic transmission is increasingly complex, not only increases vehicle cost and also increases
The weight and volume of vehicle；And the maximum deceleration ratio of the lowest gear (I grades) of most of speed changer is 5:1, limit vehicle
Max. output torque, influence vehicle heavy duty starting and climbing capacity.
Invention content
The purpose of the present invention is to solve above-mentioned technical problems, and speed change can be changed link chain mechanism to be carried out with planetary gear set
In conjunction with, devise a kind of infinitely variable speed device, simple in structure, reliable operation, can not only continuous variable transmission it is dynamic
Power, moreover it is possible to the arbitrary transformation between drive shift, reverse drive gear and neutral gear can be steadily realized under conditions of not depending on clutch, and
And transmission belt when bearing larger load also can reliable stable passing power, while increasing the output of vehicle lowest gear
Torque improves vehicle heavy duty starting and climbing capacity.
Technical scheme of the present invention one is：Infinitely variable speed device, it is characterised in that：Including planetary gear set, speed change
It can be changed link chain mechanism, power input shaft (20), power output shaft (190), gear ring (1) or sun gear in planetary gear set
(3) or one in planet carrier (2) be planetary gear input terminal, another be planetary gear output end, remaining one be planet
Gear speed governing end, planetary gear input terminal couple with power input shaft power, planetary gear output end and power output shaft power
Connection, it includes active wheels (80) and driven wheels (110) that speed change, which can be changed link chain mechanism, driven wheels and planetary gear speed governing end
Power connection, active wheels and power input shaft or power output shaft or planetary gear input terminal or planetary gear output end power
Connection, active wheels are coupled by transmission belt (100) with driven wheels power.
Based on the structure of technical solution one, technical scheme of the present invention second is that：The driven wheels are transmitted by power
Mechanism couples with planetary gear speed governing end power, and active wheels pass through power transfer mechanism and power input shaft or power output shaft
Or planetary gear input terminal or planetary gear output end power couple；Planetary gear input terminal passes through power transfer mechanism and power
Input shaft power couples, and planetary gear output end is coupled by power transfer mechanism with power output shaft power.
Based on the structure of technical solution one, technical scheme of the present invention three is：Planetary gear input terminal be gear ring (1),
In the structure that planetary gear output end is sun gear (3), planetary gear speed governing end is planet carrier (2)：Power input shaft (20)
On be fixed with input gear (30), input gear is engaged with gear ring, and sun gear passes through central gear shaft (120) and power output
Axis (190) power couples；The driven wheels (110) are sleeved on planet carrier；Active wheels (80) include drive sprocket axle
(140), driving gear (240) is fixed on drive sprocket axle, driving gear is engaged with input gear (30) or driving gear (240)
It is engaged with the output gear (250) for being packed on power output shaft (190) or on central gear shaft (120).
Based on the structure of technical solution three, technical scheme of the present invention four is：In the structure, power output rotating speed is public
Formula is：K=N1 × (N2 ÷ T)-C × ((N2 ÷ T)+1), in formula, K is the rotating speed of sun gear, and N1 is the rotating speed of gear ring, N2
The number of teeth of gear ring internal tooth, T is the number of teeth of sun gear, and C is the rotating speed of planet carrier, by variable-speed controller adjust transmission belt with
Engagement diameter between driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, is advance as K ＞ 0
Shelves are to reverse gear as K ＜ 0.
Based on the structure of technical solution one, technical scheme of the present invention five is：It is sun gear in planetary gear input terminal
(3), in the structure that planetary gear output end is gear ring (1), planetary gear speed governing end is planet carrier (2)：Power output shaft (190)
On be fixed with output gear (250), output gear is engaged with gear ring, and sun gear is defeated by central gear shaft (120) and power
Enter the connection of axis (20) power；The driven wheels (110) are sleeved on planet carrier；Active wheels (80) include drive sprocket axle
(140), the driving gear (240) that drive sprocket axle is connected or is packed on drive sprocket axle (140) with power output shaft (190) passes through
Intermediate gear (180) engages connection with the input gear (30) being packed on power input shaft (20) or central gear shaft (120).
Based on the structure of technical solution five, technical scheme of the present invention six is：In the structure, power output rotating speed is public
Formula is：K=N1 ÷ (N2 ÷ T)-C × (((N2 ÷ T)+1)/(N2 ÷ T)), in formula, K is the rotating speed of gear ring, and N1 is sun tooth
The rotating speed of wheel, N2 are the gear ring internal tooth numbers of teeth, and T is the sun gear number of teeth, and C is planet carrier rotating speed, are adjusted and are passed by variable-speed controller
Dynamic engagement diameter between band and driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, is as K ＞ 0
Drive shift is to reverse gear as K ＜ 0.
Based on the structure of technical solution one, technical scheme of the present invention seven is：Planetary gear input terminal be gear ring (1),
In the structure that planetary gear output end is planet carrier (2), planetary gear speed governing end is sun gear (3)：Power input shaft (20)
On be fixed with input gear (30), input gear is engaged with gear ring, and output gear (250) is fixed on power output shaft (190),
Planet carrier gear (130) is fixed on planet carrier, planet carrier gear is engaged with output gear (250)；The driven wheels
(110) it is sleeved on central gear shaft (120)；The active wheels (80) include drive sprocket axle (140), drive sprocket axle with it is dynamic
The driving gear (240) that power input shaft (20) is connected or is packed on drive sprocket axle (140) passes through intermediate gear (180) and planet
Frame gear (130) engagement connection.
Based on the structure of technical solution seven, technical scheme of the present invention eight is：In the structure, power output rotating speed is public
Formula is K=(N1 × ((N2/T))/(1+ (N2/T)))-(C/ (1+ (N2/T))), and in formula, K is the rotating speed of planet carrier, and N1 is tooth
The rotating speed of circle, N2 are the gear ring internal tooth numbers of teeth, and T is the sun gear number of teeth, and C is sun gear rotating speed, is adjusted by variable-speed controller
Engagement diameter between transmission belt and driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, as K ＞ 0
It is to reverse gear as K ＜ 0 for drive shift.
Based on the structure of technical solution one, technical scheme of the present invention nine is：It is planet carrier in planetary gear input terminal
(2), in the structure that planetary gear output end is gear ring (1), planetary gear speed governing end is sun gear (3)：Power input shaft
(20) it is fixed with input gear (30) on, planet carrier gear (130), planet carrier gear and input gear are fixed on planet carrier
(30) it engages, is fixed with output gear (250) on power output shaft (190), output gear is engaged with gear ring；The driven wheel
Group (110) is sleeved on central gear shaft (120)；The active wheels (80) include drive sprocket axle (140), on drive sprocket axle
It is fixedly mounted with driving gear (240), driving gear is engaged with output gear (250) or driving gear passes through intermediate gear (180) and row
Carrier gear (130) engagement connection.
Based on the structure of technical solution nine, technical scheme of the present invention ten is：In the structure, power output rotating speed is public
Formula is：K=(N1 × (1+ (N2/T))/(N2/T))-(C/ (N2/T)), in formula, K is the rotating speed of gear ring, and N1 is planet carrier
Rotating speed, N2 are the gear ring internal tooth numbers of teeth, and T is the sun gear number of teeth, and C is sun gear rotating speed, are adjusted and are driven by variable-speed controller
Engagement diameter between band and driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, before being as K ＞ 0
It is to reverse gear as K ＜ 0 into shelves.
Based on the structure of technical solution one, technical scheme of the present invention 11 is：Planetary gear input terminal be planet carrier,
In the structure that planetary gear output end is sun gear (3), planetary gear speed governing end is gear ring (1)：Power output shaft (190) is logical
Cross that central gear shaft (120) is coaxial with sun gear to be connected, power input shaft (20) and input gear (30) power, on planet carrier
It is fixed with planet carrier gear (130), planet carrier gear is engaged with input gear (30) or planet carrier gear passes through intermediate gear
(180) connection is engaged with input gear (30)；The driven wheels (110) include follower shaft (200), are consolidated on follower shaft
Equipped with governor gear (150), governor gear is engaged with gear ring；In the structure that planet carrier gear is engaged with input gear (30),
The active wheels (80) are sleeved on power input shaft (20)；Pass through intermediate gear (180) and input in planet carrier gear
In the structure of gear (30) engagement connection, the active wheels (80) include drive sprocket axle (140), are fixed on drive sprocket axle
Driving gear (240), driving gear and the output gear being packed on power output shaft (190) or central gear shaft (120)
(250) it engages.
Based on the structure of technical solution 11, technical scheme of the present invention ten second is that：In the structure, power output rotating speed
Formula is：K=(N1 × (1+ (N2/T)))-(C × (N2/T)), in formula, K is the rotating speed of sun gear, and N1 is planet carrier
Rotating speed, N2 are the gear ring internal tooth numbers of teeth, and T is the sun gear number of teeth, and C is gear ring rotating speed, by variable-speed controller adjust transmission belt with
Engagement diameter between driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, is advance as K ＞ 0
Shelves are to reverse gear as K ＜ 0.
Based on the structure of technical solution one, technical scheme of the present invention 13 is：It is sun tooth in planetary gear input terminal
It takes turns in (3), the structure that planetary gear output end is planet carrier (2), planetary gear speed governing end is gear ring (1)：Power input shaft
(20) it is connected by the way that central gear shaft (120) is coaxial with sun gear, power output shaft is fixed with output gear on (190)
(250), planet carrier gear (130) is fixed on planet carrier, planet carrier gear is engaged with output gear or planet carrier gear passes through
Intermediate gear (180) engages connection with output gear；The driven wheels (110) include follower shaft (200), follower shaft
On be fixed with governor gear (150), governor gear is engaged with gear ring；Active wheels (80) include drive sprocket axle (140), driving wheel
Driving gear (240) is fixed on axis, in the structure that planet carrier gear is engaged with output gear (250), the driving tooth
Wheel (240) is engaged with the Transmission gear (260) being packed on power output shaft (190), passes through intermediate gear in planet carrier gear
(180) in the structure for engaging connection with output gear (250), the driving gear (240) and it is packed in power input shaft
(20) input gear (30) engagement or on central gear shaft (120).
Based on the structure of technical solution 13, technical scheme of the present invention 14 is：In the structure, power output turns
Fast formula is：K=(N1/ (1+ (N2/T)))-(C × ((N2/T))/(1+ (N2/T))), in formula, K is the rotating speed of planet carrier,
N1 is the rotating speed of sun gear, and N2 is the gear ring internal tooth number of teeth, and T is the sun gear number of teeth, and C is gear ring rotating speed, passes through speed Control
Device adjusts the engagement diameter between transmission belt and driven wheel group, and to change the rotating speed of C, as K=0, speed changer is neutral gear, when
It is drive shift when K ＞ 0, is to reverse gear as K ＜ 0.
Based on the structure of technical solution one, technical scheme of the present invention 15 is：It is gear ring in planetary gear input terminal
(1), in the structure that planetary gear output end is sun gear (3), planetary gear speed governing end is planet carrier (2)：Power input shaft
(20) input gear (30) is fixed on, input gear is engaged with gear ring, and power output shaft (190) passes through central gear shaft
(120) coaxial with sun gear to be connected；The active wheels (80) are sleeved on power input shaft (20)；The driven wheel
Group (110) includes follower shaft (200), worm gear (170), worm screw (160), and active umbrella tooth (230) is fixed on follower shaft, main
Dynamic umbrella tooth is engaged with the driven umbrella tooth (220) being packed on worm screw, and worm screw engages connection with the worm gear being sleeved on planet carrier.
Based on the structure of technical solution one, technical scheme of the present invention 16 is：It is planet carrier in planetary gear input terminal
(2), in the structure that planetary gear output end is sun gear (3), planetary gear speed governing end is gear ring (1)：Power input shaft
(20) it is fixed with input gear (30) on, planet carrier gear (130), planet carrier gear and input gear are fixed on planet carrier
(30) it engages, power output shaft (190) is connected by the way that central gear shaft (120) is coaxial with sun gear；The active wheels
(80) it is sleeved on power input shaft (20)；The driven wheels (110) include follower shaft (200), worm screw (160), from
Active umbrella tooth (230) is fixed on driving wheel axis, active umbrella tooth is engaged with the driven umbrella tooth (220) being packed on worm screw, worm screw with
Gear ring engagement connection.
Based on the structure of technical solution one, technical scheme of the present invention 17 is：It is gear ring in planetary gear input terminal
(1), in the structure that planetary gear output end is planet carrier (2), planetary gear speed governing end is sun gear (3)：Power input shaft
(20) input gear (30) is fixed on, input gear is engaged with gear ring, and power output shaft is fixed with output gear on (190)
(250), planet carrier gear (130) is fixed on planet carrier, planet carrier gear is engaged with output gear；The active wheels
(80) it is sleeved on power input shaft (20)；The driven wheels (110) include follower shaft (200), worm gear (170), snail
Bar (160) is fixedly mounted with active umbrella tooth (230) on follower shaft, and active umbrella tooth is nibbled with the driven umbrella tooth (220) being packed on worm screw
It closes, worm and wheel engagement connection, worm gear is connected by the way that central gear shaft (120) is coaxial with sun gear.
The power input shaft couples with power driving source, and the power output shaft passes through power transmission and vehicle
Take turns power connection.The planetary gear set includes sun gear, gear ring, pocket-wheel, several is housed on planet carrier planet carrier
The planetary gear of flexible connection, each planetary gear engage connection with sun gear, and the outside of each planetary gear is equipped with the tooth for engaging connection
Circle.
The present invention operation principle and advantage be：
When the transmission belt engagement diameter at active wheels end is big, the transmission belt engagement diameter at driven wheels end is small, planetary gear
Speed governing end rotating speed improves, and power output shaft has the characteristic of slow-speed of revolution high torque at this time；
When the transmission belt engagement diameter at active wheels end is small, the transmission belt engagement diameter at driven wheels end is big, planetary gear
Speed governing end rotating speed reduces, and power output shaft has the characteristic of high rpm low torque at this time；
Special construction based on planetary gear set, speed change can be changed the power resources ultromotivity input of link chain mechanism in the application
Axis or power output shaft, it is advanced, further include planetary gear input terminal or planetary gear output end, purpose is all from wherein obtaining
Kinetic energy is for driving planetary gear speed governing end.Acquisition modes based on power source derive the specific of six kinds of different dynamic sources
Structure (AB as shown in Table 1, CD, EF, GH, IJ, KL)；To difference it is specifically again to obtain power or to pass through by power input shaft
Power output shaft obtain power structure then derive 12 kinds of concrete structures (A, B, C, D, E, F, G, H, I as shown in Table 1,
J, K, L).
Table 1
In table：1. indicating gear ring, 2. indicating planet carrier, 3. indicate sun gear
Power transmission structure based on number A, B in table 1：
Number A：The power drive gear ring and speed change of input can be changed link chain mechanism, and speed change can be changed link chain mechanism and drive planet carrier
It rotates, gear ring and planet carrier rotating Vortex, the power after final speed change is by sun gear output (output power).Number B：Input
Power drive gear ring, speed change can be changed link chain mechanism driving planet carrier rotation, gear ring and planet carrier rotating Vortex, after final speed change
Power by sun gear output (output power), it is dynamic from output to can be changed the driving force of link chain mechanism for speed change in the structure
Power.
Power output rotating speed formula is：K=N1 × (N2 ÷ T)-C × ((N2 ÷ T)+1)
In formula, K is the rotating speed of sun gear, and N1 is the rotating speed (RPM) of gear ring, and N2 is the number of teeth of gear ring internal tooth, and T is too
The number of teeth of positive gear, C are the rotating speeds (RPM) of planet carrier.The engagement that transmission belt both ends are adjusted by variable-speed controller (TCU) is straight
Diameter, to change the rotating speed (RPM) of planet carrier, as K=0, speed changer is neutral gear, is drive shift as K ＞ 0, is as K ＜ 0
It reverses gear.
Power transmission structure based on number C, D in table 1：
Number C：The power drive sun gear of input, speed change can be changed link chain mechanism driving planet carrier rotation, sun gear
With planet carrier rotating Vortex, power after final speed change is by gear ring output (output power), and speed change can be changed chain making machine in the structure
Power of the driving force of structure from output,
Number D：The power drive sun gear and speed change of input can be changed link chain mechanism, and speed change can be changed link chain mechanism driving row
Carrier rotates, sun gear and planet carrier rotating Vortex, and the power after final speed change is by gear ring output (output power).
Power output rotating speed formula is：K=N1 ÷ (N2 ÷ T)-C × (((N2 ÷ T)+1)/(N2 ÷ T))
In formula, K is the rotating speed (RPM) of gear ring, and N1 is the rotating speed (RPM) of sun gear, and N2 is the gear ring internal tooth number of teeth, T
It is the sun gear number of teeth, C is planet carrier rotating speed (RPM).The engagement that transmission belt both ends are adjusted by variable-speed controller (TCU) is straight
Diameter, to change the rotating speed of planet carrier, as K=0, speed changer is neutral gear, is drive shift as K ＞ 0, is to reverse gear as K ＜ 0.
Power transmission structure based on number E, F in table 1：
Number E：The power drive gear ring of input, speed change can be changed link chain mechanism driving sun gear rotation, gear ring and the sun
Gear reversely rotates, and the power after final speed change exports (output power) by planet carrier, and speed change can be changed link chain mechanism in the structure
Power of the driving force from output.
Number F：The power drive gear ring and speed change of input can be changed link chain mechanism, and speed change can be changed link chain mechanism and drive sun tooth
Wheel rotation, gear ring and sun gear reversely rotate, and the power after final speed change is by planet carrier output (output power)
Power output rotating speed formula is
K=(N1 × ((N2/T))/(1+ (N2/T)))-(C/ (1+ (N2/T)))
In formula, K is the rotating speed (RPM) of planet carrier, and N1 is the rotating speed (RPM) of gear ring, and N2 is the gear ring internal tooth number of teeth, and T is
The sun gear number of teeth, C are sun gear rotating speed (RPM).The engagement that transmission belt both ends are adjusted by variable-speed controller (TCU) is straight
Diameter, to change the rotating speed of " C " value sun gear, as K=0, speed changer is neutral gear, is drive shift as K ＞ 0, as K ＜ 0
To reverse gear.
Power transmission structure based on number G, H in table 1：
Number G：The power drive planet carrier of input, speed change can be changed link chain mechanism driving sun gear rotation, planet carrier and
Sun gear rotating Vortex, power after final speed change is by gear ring output (output power), and speed change can be changed chain making machine in the structure
Power of the driving force of structure from output.
Number H：The power drive planet carrier and speed change of input can be changed link chain mechanism, and speed change can be changed link chain mechanism and drive the sun
Gear rotates, planet carrier and sun gear rotating Vortex, and the power after final speed change is by gear ring output (output power).
Power output rotating speed formula is：K=(N1 × (1+ (N2/T))/(N2/T))-(C/ (N2/T))
In formula, K is the rotating speed (RPM) of gear ring, and N1 is the rotating speed (RPM) of planet carrier, and N2 is the gear ring internal tooth number of teeth, and T is
The sun gear number of teeth, C are sun gear rotating speed (RPM).The engagement that transmission belt both ends are adjusted by variable-speed controller (TCU) is straight
Diameter, to change the rotating speed of " C " value sun gear, as K=0, speed changer is neutral gear, is drive shift as K ＞ 0, as K ＜ 0
To reverse gear.
Power transmission structure based on number I, J in table 1：
Number I：The power drive planet carrier of input, speed change can be changed link chain mechanism driven gear ring rotation, planet carrier and gear ring
Rotating Vortex, power after final speed change is by sun gear output (output power), and speed change can be changed link chain mechanism in the structure
Power of the driving force from output.
Number J：The power drive planet carrier and speed change of input can be changed link chain mechanism, and speed change can be changed link chain mechanism driven gear ring
It rotates, planet carrier and gear ring rotating Vortex, the power after final speed change is by sun gear output (output power).
Power output rotating speed formula is：K=(N1 × (1+ (N2/T)))-(C × (N2/T))
In formula, K is the rotating speed (RPM) of sun gear, and N1 is the rotating speed (RPM) of planet carrier, and N2 is the gear ring internal tooth number of teeth,
T is the sun gear number of teeth, and C is gear ring rotating speed (RPM).The engagement diameter at transmission belt both ends is adjusted by variable-speed controller (TCU),
To change, " " rotating speed of value gear ring, as K=0, speed changer is neutral gear to C, is drive shift as K ＞ 0, is to reverse gear as K ＜ 0.
Power transmission structure based on number K, L in table 1：
Number K：The power drive sun gear of input, speed change can be changed the rotation of link chain mechanism driven gear ring, sun gear and
Gear ring reversely rotates, and the power after final speed change exports (output power) by planet carrier, and speed change can be changed link chain mechanism in the structure
Power of the driving force from output.
Number L：The power drive sun gear and speed change of input can be changed link chain mechanism, and speed change can be changed link chain mechanism sliding tooth
Circle rotation, sun gear and gear ring reversely rotate, and the power after final speed change is by planet carrier output (output power).
Power output rotating speed formula is：K=(N1/ (1+ (N2/T)))-(C × ((N2/T))/(1+ (N2/T)))
In formula, K is the rotating speed (RPM) of planet carrier, and N1 is the rotating speed (RPM) of sun gear, and N2 is the gear ring internal tooth number of teeth,
T is the sun gear number of teeth, and C is gear ring rotating speed (RPM).The engagement diameter at transmission belt both ends is adjusted by variable-speed controller (TCU),
To change the rotating speed of " C " value gear ring, as K=0, speed changer is neutral gear, is drive shift as K ＞ 0, is to reverse gear as K ＜ 0.
The infinitely variable speed device of the present invention is that planetary gear can be changed link chain mechanism with speed change to be combined, and speed change can
Become link chain mechanism to receive power by the input of planetary gear power, output end or power input, output shaft end, and pass through acquisition
Power drive planetary gear speed governing end can be changed the diameter ratio of driven wheel continuous variable in link chain mechanism to adjust using speed change
The rotating speed at planetary gear speed governing end can be changed link chain mechanism to change row to control the rotating speed of power output, turn to by speed change
The method of star gear speed governing end rotating speed, thus it is possible to vary the rotating speed of power output shaft, steering or static, before being when K values are higher than zero
Into shelves, it is neutral gear when K values are equal to zero, is reverse drive gear when K values are less than zero, to realize under conditions of not depending on clutch
It can steadily realize the arbitrary transformation between drive shift, reverse drive gear and neutral gear.
Traditional complicated cost of planetary gear hydraulic automatic transmission is higher, and transmission range highest realizes nine grades
Position, but often add while a gear and also increase weight, volume and manufacturing cost；The infinitely variable speed device of the present invention is then
Variable speed may be implemented, possess unlimited transmission range, then compared to planetary gear hydraulic automatic transmission its volume and weight
1/2 or so is reduced, manufacturing cost is reduced.
Traditional speed change can be changed link chain mechanism and convey power by transmission belt, when overload or moment carry big load
When will produce the harmful phenomenon of drive belt slip, lead to power loss, therefore, speed change can be changed link chain mechanism and be applied mostly miniature
On vehicle or compact car or low speed underload minitruck.It is transmitted by gear ring and planetary gear in infinitely variable speed device of the present invention
Power engages phenomena such as power transmits reliably, is not in skidding by gear, therefore can use the large car in top load
Upper use, such as truck, bus, tank etc..
The deceleration ratio of 1 shelves gear of traditional automatic transmission is typically 5:1, which has limited the low-grade location of vehicle maximums
The parameter of output torque；Due to but infinitely variable speed device of the present invention special construction, may be implemented that low or first gear is unlimited to be subtracted
Speed ratio example is, it can be achieved that a maximum of about of 15:1 deceleration ratio, which greatly enhances low-grade location max. output torque, to enhance vehicle
Heavy duty starting and climbing capacity.
Description of the drawings
Fig. 1 is the power transfer path block diagram of infinitely variable speed device of the present invention.
Fig. 2 is the cross-sectional structural schematic diagram of planetary gear set.
Fig. 3 is that structural schematic diagram is cutd open in planetary gear set side.
Fig. 4 is the structural schematic diagram that speed change can be changed driven wheel group transmission belt cooperation linkage in link chain mechanism.
Fig. 5 is the first structural schematic diagram of infinitely variable speed device of the present invention.
Fig. 6 is second of structural schematic diagram of infinitely variable speed device of the present invention.
Fig. 7 is the third structural schematic diagram of infinitely variable speed device of the present invention.
Fig. 8 is the 4th kind of structural schematic diagram of infinitely variable speed device of the present invention.
Fig. 9 is the 5th kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 10 is the 6th kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 11 is the 7th kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 12 is the 8th kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 13 is the 9th kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 14 is the tenth kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 15 is a kind of the tenth structural schematic diagram of infinitely variable speed device of the present invention.
Figure 16 is the 12nd kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 17 is the 13rd kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 18 is the 14th kind of structural schematic diagram of infinitely variable speed device of the present invention.
Figure 19 is the 15th kind of structural schematic diagram of infinitely variable speed device of the present invention.
1 gear ring in figure, 2 planet carriers, 3 sun gears, 10 power sources, 20 power input shafts, 30 input gears, outside 40 gear rings
Tooth, 50 gear ring internal tooths, 60 planetary gears, 80 active wheels, 100 transmission belts, 110 driven wheels, 120 central gear shafts, 130 rows
Carrier gear, 140 drive sprocket axles, 150 governor gears, 160 worm screws, 170 turbines, 180 intermediate gears, 190 power output shafts,
200 follower shafts, 220 driven umbrella tooths, 230 active umbrella tooths, 240 driving gears, 250 output gears, 260 Transmission gears, 270 become
Quick-action power output shaft.
Specific implementation mode
Infinitely variable speed device, including the variable link chain mechanism of planetary gear set, speed change, power input shaft 20, power are defeated
Shaft 190, one in gear ring 1 or sun gear 3 or planet carrier 2 in planetary gear set is planetary gear input terminal, another
A is planetary gear output end, residue one is planetary gear speed governing end, and planetary gear input terminal joins with power input shaft power
It connects, planetary gear output end couples with power output shaft power, and it includes active wheels 80 and driven wheel that speed change, which can be changed link chain mechanism,
Group 110, driven wheels couple with planetary gear speed governing end power, active wheels and power input shaft or power output shaft or planet
Gear input terminal or the connection of planetary gear output end power, active wheels are coupled by transmission belt 100 with driven wheels power.
The driven wheels are coupled by power transfer mechanism with planetary gear speed governing end power, and active wheels pass through dynamic
Force transfer mechanism couples with power input shaft or power output shaft or planetary gear input terminal or planetary gear output end power；Row
Star gear input terminal is coupled by power transfer mechanism with power input shaft power, and planetary gear output end transmits machine by power
Structure couples with power output shaft power.The power transfer mechanism includes：Gear drive, chain drive, belt
Transmission mechanism, slip gear, bearing shell transmission mechanism, coupling mechanism etc..
Based on above-mentioned basic structure, below in conjunction with the accompanying drawings, infinitely variable speed device described herein is specifically illustrated.
Infinitely variable speed device as seen in figs. 5-6 is gear ring 1, planetary gear output end in planetary gear input terminal
For in sun gear 3, the structure that planetary gear speed governing end is planet carrier 2：Input gear 30 is fixed on power input shaft 20, it is defeated
Enter gear to engage with gear ring, sun gear is coupled by central gear shaft 120 with 190 power of power output shaft；Described is driven
Wheel group 110 is sleeved on planet carrier；Active wheels 80 include drive sprocket axle 140, and driving gear 240 is fixed on drive sprocket axle,
Driving gear is engaged with input gear 30 or driving gear 240 and is packed on power output shaft 190 or on central gear shaft 120
Output gear 250 engage.In the structure, power output rotating speed formula is：K=N1 × (N2 ÷ T)-C × ((N2 ÷ T)+
1), in formula, K is the rotating speed of sun gear, and N1 is the rotating speed of gear ring, and N2 is the number of teeth of gear ring internal tooth, and T is the tooth of sun gear
Number, C is the rotating speed of planet carrier, the engagement diameter between transmission belt and driven wheel group is adjusted by variable-speed controller, to change
The rotating speed of C, as K=0, speed changer is neutral gear, is drive shift as K ＞ 0, is to reverse gear as K ＜ 0.
Infinitely variable speed device as Figure 7-8 is that sun gear 3, planetary gear are defeated in planetary gear input terminal
In the structure that outlet is gear ring 1, planetary gear speed governing end is planet carrier 2：Output gear 250 is fixed on power output shaft 190,
Output gear is engaged with gear ring, and sun gear is coupled by central gear shaft 120 with 20 power of power input shaft；Described is driven
Wheel group 110 is sleeved on planet carrier；Active wheels 80 include drive sprocket axle 140, drive sprocket axle and power output shaft 190 be connected or
The driving gear 240 being packed on drive sprocket axle 140 is by intermediate gear 180 and is packed in power input shaft 20 or sun gear
The engagement connection of input gear 30 on axis 120.In the structure, power output rotating speed formula is：K=N1 ÷ (N2 ÷ T)-C
× (((N2 ÷ T)+1)/(N2 ÷ T)), in formula, K is the rotating speed of gear ring, and N1 is the rotating speed of sun gear, and N2 is gear ring internal tooth
The number of teeth, T are the sun gear numbers of teeth, and C is planet carrier rotating speed, are adjusted between transmission belt and driven wheel group by variable-speed controller
Engagement diameter, to change the rotating speed of C, as K=0, speed changer is neutral gear, is drive shift as K ＞ 0, as K ＜ 0 for
Gear.
Infinitely variable speed device as shown in figs. 9-10 is gear ring 1, planetary gear output end in planetary gear input terminal
For in planet carrier 2, the structure that planetary gear speed governing end is sun gear 3：Input gear 30 is fixed on power input shaft 20, it is defeated
Enter gear to engage with gear ring, output gear 250 is fixed on power output shaft 190, planet carrier gear is fixed on planet carrier
130, planet carrier gear is engaged with output gear 250；The driven wheels 110 are sleeved on central gear shaft 120；Described
Active wheels 80 include drive sprocket axle 140, the master that drive sprocket axle is connected or is packed on drive sprocket axle 140 with power input shaft 20
Moving gear 240 engages connection by intermediate gear 180 with planet carrier gear 130.In the structure, power output rotating speed formula
For K=(N1 × ((N2/T))/(1+ (N2/T)))-(C/ (1+ (N2/T))), in formula, K is the rotating speed of planet carrier, and N1 is gear ring
Rotating speed, N2 is the gear ring internal tooth number of teeth, and T is the sun gear number of teeth, and C is sun gear rotating speed, pass through variable-speed controller adjust pass
Dynamic engagement diameter between band and driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, is as K ＞ 0
Drive shift is to reverse gear as K ＜ 0.
Infinitely variable speed device as depicted in figs. 11-12 is that planet carrier 2, planetary gear are defeated in planetary gear input terminal
In the structure that outlet is gear ring 1, planetary gear speed governing end is sun gear 3：Input gear 30 is fixed on power input shaft 20,
Planet carrier gear 130 is fixed on planet carrier, planet carrier gear is engaged with input gear 30, is fixed on power output shaft 190
Output gear 250, output gear is engaged with gear ring；The driven wheels 110 are sleeved on central gear shaft 120；Described
Active wheels 80 include drive sprocket axle 140, are fixedly mounted with driving gear 240 on drive sprocket axle, driving gear is engaged with output gear 250
Or driving gear engages connection by intermediate gear 180 with planet carrier gear 130.In the structure, power output rotating speed is public
Formula is：K=(N1 × (1+ (N2/T))/(N2/T))-(C/ (N2/T)), in formula, K is the rotating speed of gear ring, and N1 is planet carrier
Rotating speed, N2 are the gear ring internal tooth numbers of teeth, and T is the sun gear number of teeth, and C is sun gear rotating speed, are adjusted and are driven by variable-speed controller
Engagement diameter between band and driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, before being as K ＞ 0
It is to reverse gear as K ＜ 0 into shelves.
Infinitely variable speed device as illustrated in figs. 13-14 is planet carrier, planetary gear output in planetary gear input terminal
End is sun gear 3, in the structure that planetary gear speed governing end is gear ring 1：Power output shaft 190 by central gear shaft 120 with
Sun gear is coaxial to be connected, power input shaft 20 and 30 power of input gear, is fixed with planet carrier gear 130 on planet carrier, row
Carrier gear is engaged with input gear 30 or planet carrier gear engages connection by intermediate gear 180 with input gear 30；It is described
Driven wheels 110 include follower shaft 200, be fixed with governor gear 150 on follower shaft, governor gear is engaged with gear ring；
In the structure that planet carrier gear is engaged with input gear 30, the active wheels 80 are sleeved on power input shaft 20；
Planet carrier gear is engaged by intermediate gear 180 with input gear 30 in the structure of connection, and the active wheels 80 include master
Driving wheel axis 140, is fixed with driving gear 240 on drive sprocket axle, driving gear and is packed in power output shaft 190 or sun gear
Output gear 250 on axis 120 engages.In the structure, power output rotating speed formula is：K=(N1 × (1+ (N2/T)))-(C
× (N2/T)), in formula, K is the rotating speed of sun gear, and N1 is the rotating speed of planet carrier, and N2 is the gear ring internal tooth number of teeth, and T is the sun
Number of gear teeth, C are gear ring rotating speeds, the engagement diameter between transmission belt and driven wheel group are adjusted by variable-speed controller, to change
The rotating speed for becoming C, as K=0, speed changer is neutral gear, is drive shift as K ＞ 0, is to reverse gear as K ＜ 0.
Infinitely variable speed device as shown in figures 15-16 is sun gear 3, planetary gear in planetary gear input terminal
In the structure that output end is planet carrier 2, planetary gear speed governing end is gear ring 1：Power input shaft 20 by central gear shaft 120 with
Sun gear is coaxial to be connected, and output gear 250 is fixed on power output shaft 190, planet carrier gear is fixed on planet carrier
130, planet carrier gear is engaged with output gear or planet carrier gear engages connection with output gear by intermediate gear 180；Institute
The driven wheels 110 stated include follower shaft 200, are fixed with governor gear 150 on follower shaft, governor gear is nibbled with gear ring
It closes；Active wheels 80 include drive sprocket axle 140, driving gear 240 are fixed on drive sprocket axle, in planet carrier gear and output gear
In the structure of 250 engagement of wheel, the driving gear 240 is engaged with the Transmission gear 260 being packed on power output shaft 190,
In the structure that planet carrier gear engages by intermediate gear 180 connection with output gear 250, the driving gear 240 with
The input gear 30 being packed on power input shaft 20 or central gear shaft 120 engages.In the structure, power output rotating speed
Formula is：K=(N1/ (1+ (N2/T)))-(C × ((N2/T))/(1+ (N2/T))), in formula, K is the rotating speed of planet carrier, N1
It is the rotating speed of sun gear, N2 is the gear ring internal tooth number of teeth, and T is the sun gear number of teeth, and C is gear ring rotating speed, passes through variable-speed controller
The engagement diameter between transmission belt and driven wheel group is adjusted, to change the rotating speed of C, speed changer is neutral gear as K=0, works as K
It is drive shift when ＞ 0, is to reverse gear as K ＜ 0.
Infinitely variable speed device as shown in figure 17, planetary gear input terminal is gear ring 1, planetary gear output end is
In sun gear 3, the structure that planetary gear speed governing end is planet carrier 2：It is fixed with input gear 30 on power input shaft 20, inputs
Gear is engaged with gear ring, and power output shaft 190 is connected by the way that central gear shaft 120 is coaxial with sun gear；The driving wheel
Group 80 is sleeved on power input shaft 20；The driven wheels 110 include follower shaft 200, worm gear 170, worm screw 160, from
Active umbrella tooth 230 is fixed on driving wheel axis, active umbrella tooth is engaged with the driven umbrella tooth 220 being packed on worm screw, worm screw and suit
Worm gear engagement connection on planet carrier.
Infinitely variable speed device as shown in figure 18 is planet carrier 2, planetary gear output end in planetary gear input terminal
For in sun gear 3, the structure that planetary gear speed governing end is gear ring 1：Input gear 30, planet are fixed on power input shaft 20
Planet carrier gear 130 is fixed on frame, planet carrier gear is engaged with input gear 30, and power output shaft 190 passes through sun gear
Axis 120 is coaxial with sun gear to be connected；The active wheels 80 are sleeved on power input shaft 20；The driven wheels
110 include follower shaft 200, worm screw 160, is fixed with active umbrella tooth 230 on follower shaft, active umbrella tooth and is packed on worm screw
Driven umbrella tooth 220 engage, worm screw engages connection with gear ring.
Infinitely variable speed device as shown in figure 19, planetary gear input terminal is gear ring 1, planetary gear output end is
In planet carrier 2, the structure that planetary gear speed governing end is sun gear 3：It is fixed with input gear 30 on power input shaft 20, inputs
Gear is engaged with gear ring, and output gear 250 is fixed on power output shaft 190, planet carrier gear 130 is fixed on planet carrier,
Planet carrier gear is engaged with output gear；The active wheels 80 are sleeved on power input shaft 20；The driven wheels
110 include follower shaft 200, worm gear 170, worm screw 160, is fixedly mounted with active umbrella tooth 230 on follower shaft, active umbrella tooth be packed in
Driven umbrella tooth 220 on worm screw engages, worm and wheel engagement connection, and worm gear is total by central gear shaft 120 and sun gear
Axis is connected.
Claims (17)
1. infinitely variable speed device, it is characterised in that：Link chain mechanism, power input shaft are can be changed including planetary gear set, speed change
(20), power output shaft (190), one in gear ring (1) or sun gear (3) or planet carrier (2) in planetary gear set are
Planetary gear input terminal, another be planetary gear output end, remaining one be planetary gear speed governing end, planetary gear input terminal
Couple with power input shaft power, planetary gear output end couples with power output shaft power, and speed change can be changed link chain mechanism and include
Active wheels (80) and driven wheels (110), driven wheels couple with planetary gear speed governing end power, active wheels and power are defeated
Enter axis or power output shaft or planetary gear input terminal or the connection of planetary gear output end power, active wheels pass through transmission belt
(100) couple with driven wheels power.
2. infinitely variable speed device according to claim 1, it is characterised in that：The driven wheels are passed by power
It passs mechanism with planetary gear speed governing end power to couple, active wheels pass through power transfer mechanism and power input shaft or power output
Axis or planetary gear input terminal or the connection of planetary gear output end power；Planetary gear input terminal is by power transfer mechanism and moves
Power input shaft power couples, and planetary gear output end is coupled by power transfer mechanism with power output shaft power.
3. infinitely variable speed device according to claim 1, it is characterised in that：It is gear ring in planetary gear input terminal
(1), in the structure that planetary gear output end is sun gear (3), planetary gear speed governing end is planet carrier (2)：Power input shaft
(20) input gear (30) is fixed on, input gear is engaged with gear ring, and sun gear passes through central gear shaft (120) and power
Output shaft (190) power couples；The driven wheels (110) are sleeved on planet carrier；Active wheels (80) include driving wheel
Axis (140) is fixed with driving gear (240) on drive sprocket axle, and driving gear is engaged with input gear (30) or driving gear
(240) it is engaged with the output gear (250) for being packed on power output shaft (190) or on central gear shaft (120).
4. infinitely variable speed device according to claim 3, it is characterised in that：In the structure, power output turns
Fast formula is：K=N1 × (N2 ÷ T)-C × ((N2 ÷ T)+1), in formula, K is the rotating speed of sun gear, and N1 is turning for gear ring
Speed, N2 are the numbers of teeth of gear ring internal tooth, and T is the number of teeth of sun gear, and C is the rotating speed of planet carrier, are adjusted and are passed by variable-speed controller
Dynamic engagement diameter between band and driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, is as K ＞ 0
Drive shift is to reverse gear as K ＜ 0.
5. infinitely variable speed device according to claim 1, it is characterised in that：It is sun tooth in planetary gear input terminal
It takes turns in (3), the structure that planetary gear output end is gear ring (1), planetary gear speed governing end is planet carrier (2)：Power output shaft
(190) output gear (250) is fixed on, output gear is engaged with gear ring, and sun gear is by central gear shaft (120) and moves
Power input shaft (20) power couples；The driven wheels (110) are sleeved on planet carrier；Active wheels (80) include driving wheel
Axis (140), the driving gear (240) that drive sprocket axle is connected or is packed on drive sprocket axle (140) with power output shaft (190) are logical
It crosses intermediate gear (180) and engages connection with the input gear (30) being packed on power input shaft (20) or central gear shaft (120)
It connects.
6. infinitely variable speed device according to claim 5, it is characterised in that：In the structure, power output turns
Fast formula is：K=N1 ÷ (N2 ÷ T)-C × (((N2 ÷ T)+1)/(N2 ÷ T)), in formula, K is the rotating speed of gear ring, and N1 is too
The rotating speed of positive gear, N2 are the gear ring internal tooth numbers of teeth, and T is the sun gear number of teeth, and C is planet carrier rotating speed, passes through variable-speed controller tune
The engagement diameter between transmission belt and driven wheel group is saved, to change the rotating speed of C, speed changer is neutral gear as K=0, as K ＞ 0
When be drive shift, as K ＜ 0 to reverse gear.
7. infinitely variable speed device according to claim 1, it is characterised in that：It is gear ring in planetary gear input terminal
(1), in the structure that planetary gear output end is planet carrier (2), planetary gear speed governing end is sun gear (3)：Power input shaft
(20) input gear (30) is fixed on, input gear is engaged with gear ring, and power output shaft is fixed with output gear on (190)
(250), planet carrier gear (130) is fixed on planet carrier, planet carrier gear is engaged with output gear (250)；Described is driven
Wheel group (110) is sleeved on central gear shaft (120)；The active wheels (80) include drive sprocket axle (140), drive sprocket axle
Be connected with power input shaft (20) or the driving gear (240) that is packed on drive sprocket axle (140) by intermediate gear (180) with
Planet carrier gear (130) engagement connection.
8. infinitely variable speed device according to claim 7, it is characterised in that：In the structure, power output turns
Fast formula is K=(N1 × ((N2/T))/(1+ (N2/T)))-(C/ (1+ (N2/T))), and in formula, K is the rotating speed of planet carrier, N1
It is the rotating speed of gear ring, N2 is the gear ring internal tooth number of teeth, and T is the sun gear number of teeth, and C is sun gear rotating speed, passes through variable-speed controller
The engagement diameter between transmission belt and driven wheel group is adjusted, to change the rotating speed of C, speed changer is neutral gear as K=0, works as K
It is drive shift when ＞ 0, is to reverse gear as K ＜ 0.
9. infinitely variable speed device according to claim 1, it is characterised in that：It is planet carrier in planetary gear input terminal
(2), in the structure that planetary gear output end is gear ring (1), planetary gear speed governing end is sun gear (3)：Power input shaft
(20) it is fixed with input gear (30) on, planet carrier gear (130), planet carrier gear and input gear are fixed on planet carrier
(30) it engages, is fixed with output gear (250) on power output shaft (190), output gear is engaged with gear ring；The driven wheel
Group (110) is sleeved on central gear shaft (120)；The active wheels (80) include drive sprocket axle (140), on drive sprocket axle
It is fixedly mounted with driving gear (240), driving gear is engaged with output gear (250) or driving gear passes through intermediate gear (180) and row
Carrier gear (130) engagement connection.
10. infinitely variable speed device according to claim 9, it is characterised in that：In the structure, power output turns
Fast formula is：K=(N1 × (1+ (N2/T))/(N2/T))-(C/ (N2/T)), in formula, K is the rotating speed of gear ring, and N1 is planet
The rotating speed of frame, N2 are the gear ring internal tooth numbers of teeth, and T is the sun gear number of teeth, and C is sun gear rotating speed, is adjusted by variable-speed controller
Engagement diameter between transmission belt and driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, as K ＞ 0
It is to reverse gear as K ＜ 0 for drive shift.
11. according to infinitely variable speed device described in claim 1, it is characterised in that：Planetary gear input terminal be planet carrier,
In the structure that planetary gear output end is sun gear (3), planetary gear speed governing end is gear ring (1)：Power output shaft (190) is logical
Cross that central gear shaft (120) is coaxial with sun gear to be connected, power input shaft (20) and input gear (30) power, on planet carrier
It is fixed with planet carrier gear (130), planet carrier gear is engaged with input gear (30) or planet carrier gear passes through intermediate gear
(180) connection is engaged with input gear (30)；The driven wheels (110) include follower shaft (200), are consolidated on follower shaft
Equipped with governor gear (150), governor gear is engaged with gear ring；In the structure that planet carrier gear is engaged with input gear (30),
The active wheels (80) are sleeved on power input shaft (20)；Pass through intermediate gear (180) and input in planet carrier gear
In the structure of gear (30) engagement connection, the active wheels (80) include drive sprocket axle (140), are fixed on drive sprocket axle
Driving gear (240), driving gear and the output gear being packed on power output shaft (190) or central gear shaft (120)
(250) it engages.
12. infinitely variable speed device according to claim 11, it is characterised in that：In the structure, power output turns
Fast formula is：K=(N1 × (1+ (N2/T)))-(C × (N2/T)), in formula, K is the rotating speed of sun gear, and N1 is planet carrier
Rotating speed, N2 is the gear ring internal tooth number of teeth, and T is the sun gear number of teeth, and C is gear ring rotating speed, and transmission belt is adjusted by variable-speed controller
With the engagement diameter between driven wheel group, to change the rotating speed of C, as K=0, speed changer is neutral gear, is advance as K ＞ 0
Shelves are to reverse gear as K ＜ 0.
13. according to infinitely variable speed device described in claim 1, it is characterised in that：It is sun tooth in planetary gear input terminal
It takes turns in (3), the structure that planetary gear output end is planet carrier (2), planetary gear speed governing end is gear ring (1)：Power input shaft
(20) it is connected by the way that central gear shaft (120) is coaxial with sun gear, power output shaft is fixed with output gear on (190)
(250), planet carrier gear (130) is fixed on planet carrier, planet carrier gear is engaged with output gear or planet carrier gear passes through
Intermediate gear (180) engages connection with output gear；The driven wheels (110) include follower shaft (200), follower shaft
On be fixed with governor gear (150), governor gear is engaged with gear ring；Active wheels (80) include drive sprocket axle (140), driving wheel
Driving gear (240) is fixed on axis, in the structure that planet carrier gear is engaged with output gear (250), the driving tooth
Wheel (240) is engaged with the Transmission gear (260) being packed on power output shaft (190), passes through intermediate gear in planet carrier gear
(180) in the structure for engaging connection with output gear (250), the driving gear (240) and it is packed in power input shaft
(20) input gear (30) engagement or on central gear shaft (120).
14. infinitely variable speed device according to claim 13, it is characterised in that：In the structure, power output
Rotating speed formula is：K=(N1/ (1+ (N2/T)))-(C × ((N2/T))/(1+ (N2/T))), in formula, K is turning for planet carrier
Speed, N1 are the rotating speeds of sun gear, and N2 is the gear ring internal tooth number of teeth, and T is the sun gear number of teeth, and C is gear ring rotating speed, passes through speed change control
Device processed adjusts the engagement diameter between transmission belt and driven wheel group, and to change the rotating speed of C, as K=0, speed changer is neutral gear,
It is drive shift as K ＞ 0, is to reverse gear as K ＜ 0.
15. according to infinitely variable speed device described in claim 1, it is characterised in that：It is gear ring in planetary gear input terminal
(1), in the structure that planetary gear output end is sun gear (3), planetary gear speed governing end is planet carrier (2)：Power input shaft
(20) input gear (30) is fixed on, input gear is engaged with gear ring, and power output shaft (190) passes through central gear shaft
(120) coaxial with sun gear to be connected；The active wheels (80) are sleeved on power input shaft (20)；The driven wheel
Group (110) includes follower shaft (200), worm gear (170), worm screw (160), and active umbrella tooth (230) is fixed on follower shaft, main
Dynamic umbrella tooth is engaged with the driven umbrella tooth (220) being packed on worm screw, and worm screw engages connection with the worm gear being sleeved on planet carrier.
16. according to infinitely variable speed device described in claim 1, it is characterised in that：It is planet carrier in planetary gear input terminal
(2), in the structure that planetary gear output end is sun gear (3), planetary gear speed governing end is gear ring (1)：Power input shaft
(20) it is fixed with input gear (30) on, planet carrier gear (130), planet carrier gear and input gear are fixed on planet carrier
(30) it engages, power output shaft (190) is connected by the way that central gear shaft (120) is coaxial with sun gear；The active wheels
(80) it is sleeved on power input shaft (20)；The driven wheels (110) include follower shaft (200), worm screw (160), from
Active umbrella tooth (230) is fixed on driving wheel axis, active umbrella tooth is engaged with the driven umbrella tooth (220) being packed on worm screw, worm screw with
Gear ring engagement connection.
17. according to infinitely variable speed device described in claim 1, it is characterised in that：It is gear ring in planetary gear input terminal
(1), in the structure that planetary gear output end is planet carrier (2), planetary gear speed governing end is sun gear (3)：Power input shaft
(20) input gear (30) is fixed on, input gear is engaged with gear ring, and power output shaft is fixed with output gear on (190)
(250), planet carrier gear (130) is fixed on planet carrier, planet carrier gear is engaged with output gear；The active wheels
(80) it is sleeved on power input shaft (20)；The driven wheels (110) include follower shaft (200), worm gear (170), snail
Bar (160) is fixedly mounted with active umbrella tooth (230) on follower shaft, and active umbrella tooth is nibbled with the driven umbrella tooth (220) being packed on worm screw
It closes, worm and wheel engagement connection, worm gear is connected by the way that central gear shaft (120) is coaxial with sun gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744585.6A CN108662096A (en) | 2018-07-09 | 2018-07-09 | Infinitely variable speed device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744585.6A CN108662096A (en) | 2018-07-09 | 2018-07-09 | Infinitely variable speed device |
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| CN108662096A true CN108662096A (en) | 2018-10-16 |
Family
ID=63772641
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999944A (en) * | 2018-10-26 | 2018-12-14 | 彭德春 | A kind of stepless transmission |
| CN110030334A (en) * | 2019-01-21 | 2019-07-19 | 王世峰 | The small-sized speed changer of variable diameter clutch |
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| CN204344850U (en) * | 2014-11-21 | 2015-05-20 | 顺德职业技术学院 | A kind of stepless speed variator |
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| CN208605572U (en) * | 2018-07-09 | 2019-03-15 | 李振鲁 | Infinitely variable speed device |
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| CN110030334A (en) * | 2019-01-21 | 2019-07-19 | 王世峰 | The small-sized speed changer of variable diameter clutch |
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