CN105570420A - Intersecting shaft type planet friction mechanical infinitely variable transmission and infinitely variable transmission method thereof - Google Patents
Intersecting shaft type planet friction mechanical infinitely variable transmission and infinitely variable transmission method thereof Download PDFInfo
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- CN105570420A CN105570420A CN201510191634.4A CN201510191634A CN105570420A CN 105570420 A CN105570420 A CN 105570420A CN 201510191634 A CN201510191634 A CN 201510191634A CN 105570420 A CN105570420 A CN 105570420A
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/08—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface
- F16H15/10—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface in which the axes of the two members cross or intersect
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/16—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a conical friction surface
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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
- F16H2200/00—Transmissions for multiple ratios
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses an intersecting shaft type plant friction mechanical infinitely variable transmission and an infinitely variable transmission method thereof. The infinitely variable transmission does not use a clutch; the positive and negative transmission ratios can be infinitely great; and the forward gear, the neutral position (P position) and the reverse gear can be connected seamlessly. The transmission is capable of using a motor to drive a second friction disk (26) or a gear ring (12) or a sun wheel (15) for hybrid. The transmission is simple in structure, low in cost, large in variable speed range and high in transmission efficiency.
Description
Technical field
The invention belongs to transmission field, specifically a kind of mechanical stepless transmission.
Background technique
Current mechanical stepless transmission mainly contains metal band type stepless speed variator, planetary friction formula stepless speed variator, friction-disc stepless speed variator etc., but these speed changers or complex structure, cost are high, or slewing range is little, bearing capacity is poor.
Summary of the invention
In order to the problem such as solve existing machinery stepless speed variator complex structure, cost is high, slewing range is little, the invention provides a kind of mechanical stepless transmission.Its structure is simple, cost is low, slewing range is large, bearing capacity is strong, transmission efficiency is high.
This speed changer realizes in the following manner:
A kind of speed changer, it comprises friction disk (6), epicyclic friction gear (8), planet axis (9), planet carrier (10), planet wheel (11), it also comprises gear ring (12) or sun gear (15), friction disk (6) contacts with epicyclic friction gear (8), epicyclic friction gear (8) can move axially, epicyclic friction gear (8) is connected with planet axis (9) key, planet axis (9) is connected with planet wheel (11), and planet wheel (11) engages with gear ring (12) or sun gear (15); Planet axis (9) is arranged on planet carrier (10); The shaft axis of planet axis (9) and the shaft axis of friction disk (6) intersect at a point.
The shaft axis of planet axis (9) is vertical with the shaft axis of friction disk (6).
Friction disk (6) can move axially.Planet carrier (10) can move axially.
The surface of contact of friction disk is concave surface.
The surface of contact of friction disk comprises intrados or inner conical surface or both comprises.As shown in Figure 1.
It comprises the second friction disk (26), and friction disk (6) and the second friction disk (26) are arranged symmetrically with.As shown in Figure 1.
Second friction disk (26) can move axially.The surface of contact of the second friction disk (26) is identical with the surface of contact of friction disk (6).
Input shaft (2) is connected with the second friction disk (26).As shown in Figure 5.
Input shaft (2) is connected with planet carrier (10), and makes the rotating speed of the second friction disk (26) be always 2 times of the rotating speed of planet carrier (10).
It also comprises differential mechanism, and differential pinion gear (21) is arranged on planet carrier (10), and two differential sun gears (20) are connected with friction disk (6) and the second friction disk (26) respectively.As shown in Figure 1.
It also comprises motor, motoring second friction disk (26) or gear ring (12) or sun gear (15).
Planet carrier (10) is connected with input shaft (2).
Planet carrier (10) is connected with output shaft (3).
It comprises sun gear (15), and planet wheel (11) engages with sun gear (15).Sun gear (15), planet carrier (10) and friction disk (6) three end, one end is connected with input shaft (2), and one end is connected with transmission case (1), and one end is connected with output shaft (3).
Input shaft (2) is connected with planet carrier (10); Sun gear (15) and friction disk (6) two degrees of freedom, one degree of freedom is connected with transmission case (1), and one degree of freedom is connected with output shaft (3).
Input shaft (2) is connected with planet carrier (10), and sun gear (15) is connected with output shaft (3), and friction disk (6) is connected with transmission case (1).As shown in Figure 5.
Epicyclic friction gear (8) and the fastest ratio≤planet wheel (11) of friction disk (6) and the velocity ratio of sun gear (15).
It comprises gear ring (12), and planet wheel (11) engages with gear ring (12).Gear ring (12), planet carrier (10) and friction disk (6) three end, one end is connected with input shaft (2), and one end is connected with transmission case (1), and one end is connected with output shaft (3).
Input shaft (2) is connected with planet carrier (10); Gear ring (12) and friction disk (6) two degrees of freedom, one degree of freedom is connected with transmission case (1), and one degree of freedom is connected with output shaft (3).
Input shaft (2) is connected with planet carrier (10), and friction disk (6) is connected with output shaft (3), and gear ring (12) is connected with transmission case (1).As shown in Figure 1.
Planet wheel (11) and the velocity ratio≤epicyclic friction gear (8) of gear ring (12) and the maximum transmission ratio of friction disk (6).
It comprises screw key (14), and epicyclic friction gear (8) is connected by screw key (14) with planet axis (9).As shown in Figure 4.
It also comprises planet axis sleeve pipe (31), planet carrier hydraulic pressure sleeve pipe (32), planet carrier hydraulic pressure sleeve pipe (32) is arranged on planet carrier (10), planet carrier hydraulic pressure sleeve pipe (32) and planet axis sleeve pipe (31) are socketed, planet axis sleeve pipe (31) and epicyclic friction gear (8) are connected, epicyclic friction gear (8) is connected with planet axis (9) key, planet axis (9) has hollow tube, and the chamber that planet axis sleeve pipe (31) is formed is communicated with gear-box by the hollow tube of planet axis (9).As shown in figure 12.
A kind of stepless change method, it comprises friction disk (6), epicyclic friction gear (8), planet axis (9), planet carrier (10), planet wheel (11), it also comprises gear ring (12) or sun gear (15), friction disk (6) contacts with epicyclic friction gear (8), epicyclic friction gear (8) can move axially, epicyclic friction gear (8) is connected with planet axis (9), planet axis (9) is connected with planet wheel (11), and planet wheel (11) engages with gear ring (12) or sun gear (15); Planet axis (9) is arranged on planet carrier (10); The shaft axis of planet axis (9) and the shaft axis of friction disk (6) intersect at a point; Move axially by epicyclic friction gear (8) action radius changing friction disk (6) and carry out speed change.
Accompanying drawing explanation
Fig. 1: speed changer example one structural drawing
1, transmission case
2, input shaft
3, output shaft
4, hydraulic-pressure sleeve (being connected with transmission case (1))
5, hydraulic-pressure sleeve (being connected with friction disk (6))
6, friction disk
7, bearing
8, epicyclic friction gear (with planet axis (
) key connection)
9, planet axis
10, planet carrier
11, planet wheel
12, gear ring (being connected with transmission case (1))
20, differential sun gear
21, differential pinion gear
26, the second friction disk
Fig. 2: speed changer example one structural drawing
Fig. 3: the axial view of a kind of concrete form of speed changer example one planet carrier
Fig. 4: speed changer example one planet axis and screw key External view
14, screw key
Fig. 5: speed changer example two structural drawing
15, sun gear
16, input gear (to the second friction disk (26) and planet carrier (10) transferring power, and making the rotating speed of the second friction disk (26) be always 2 times of the rotating speed of planet carrier (10))
Fig. 6: speed changer example two planet axis, planet wheel, epicyclic friction gear External view
Fig. 7: the axial view of a kind of concrete form of speed changer example two planet carrier
Fig. 8: speed changer example three structural drawing
30, spring (being supported between epicyclic friction gear (8) and planet carrier (10))
Fig. 9: speed changer example four structural drawing
Figure 10: speed changer example five structural drawing
Figure 11: speed changer example six structural drawing
Figure 12: speed changer example seven structural drawing
31, planet axis sleeve pipe
32, planet carrier hydraulic pressure sleeve pipe
33, oil circuit
Figure 13: speed changer example eight structural drawing
Figure 14: speed changer example octadentate coil structures sketch
34, proximal part
35, distal end
36, middle circle
Embodiment
Below will explain content of the present invention by example, this example is only illustrates embodiment of the present invention, and is not used to limit the present invention.Need to illustrate, in following instance and figure, the element relevant to non-immediate of the present invention omits, and in figure, each component size is only and asks easy understand, and is not used to restriction actual ratio.
Wherein, example one to example seven is speed changer example; Example one to example eight is the example of this stepless change method of application.
In order to better illustrate that the present invention sets following parameter:
A: the velocity ratio of planet wheel (11) and gear ring (12).
B: the velocity ratio of planet wheel (11) and sun gear (15).
C: the fastest ratio (when epicyclic friction gear (8) is near friction disk (6) axle center) of epicyclic friction gear (8) and friction disk (6).As shown in Figure 1, shown in Figure 5.
D: the maximum transmission ratio (when epicyclic friction gear (8) is in friction disk (6) outer rim) of epicyclic friction gear (8) and friction disk (6).As shown in Figure 2.
W: reversing drive ratio, the i.e. velocity ratio of output shaft (3) and input shaft (2).
This speed changer comprises friction disk (6), epicyclic friction gear (8), planet axis (9), planet carrier (10), planet wheel (11), it also comprises gear ring (12) or sun gear (15), friction disk (6) contacts with epicyclic friction gear (8), epicyclic friction gear (8) can move axially, epicyclic friction gear (8) is connected with planet axis (9) key, planet axis (9) is connected with planet wheel (11), and planet wheel (11) engages with gear ring (12) or sun gear (15); Planet axis (9) is arranged on planet carrier (10); The shaft axis of planet axis (9) and the shaft axis of friction disk (6) intersect at a point.
This speed changer example one realizes in the following manner:
It comprises gear ring (12), and planet wheel (11) engages with gear ring (12).
Input shaft (2) is connected with planet carrier (10), and friction disk (6) is connected with output shaft (3), and gear ring (12) is connected with transmission case (1).As shown in Figure 1.
The shaft axis of planet axis (9) is vertical with the shaft axis of friction disk (6).
Friction disk (6) can move axially.As shown in Figure 1 and Figure 2.
The surface of contact of friction disk is concave surface.The surface of contact of friction disk comprises intrados or inner conical surface or both comprises.As shown in Figure 1.
It comprises the second friction disk (26), and friction disk (6) and the second friction disk (26) are arranged symmetrically with.As shown in Figure 1.
Second friction disk (26) can move axially.The surface of contact of the second friction disk (26) is identical with the surface of contact of friction disk (6).
It also comprises differential mechanism, and differential pinion gear (21) is arranged on planet carrier (10), and two differential sun gears (20) are connected with friction disk (6) and the second friction disk (26) respectively.As shown in Figure 1.Be conducive to the bearing capacity improving speed changer like this.
When adopting hydraulic control friction disk outwards to move, the centrifugal force that epicyclic friction gear (8) relies on revolution to produce outwards movement carries out speed change; When friction disk moves inward, friction disk extruding epicyclic friction gear (8), makes epicyclic friction gear (8) move inward and carries out speed change.
It comprises screw key (14), and epicyclic friction gear (8) is connected by screw key (14) with planet axis (9).As shown in Figure 4.Due to the tangent line of screw key (14) and the shaft axis of planet axis (9) in a certain angle, during speed changer running, screw key (14) can to the power making the outside movement of epicyclic friction gear (8) of epicyclic friction gear (8) axis.Like this, when the lower centrifugal force of epicyclic friction gear (8) revolution speed is not enough, the extra power making the outside movement of epicyclic friction gear (8) is provided, avoids skidding.
Planet wheel (11) and the velocity ratio≤epicyclic friction gear (8) of gear ring (12) and the maximum transmission ratio of friction disk (6).
When planet wheel (11) is equal with the velocity ratio of friction disk (6) with epicyclic friction gear (8) with the velocity ratio of gear ring (12), transmission ratio is infinitely great, is namely equivalent to " neutral gear ".When epicyclic friction gear (8) moves inward, transmission ratio reduces gradually.
When planet wheel (11) is less than the maximum transmission ratio of epicyclic friction gear (8) and friction disk (6) with the velocity ratio of gear ring (12), transmission ratio can be negative value, is namely equivalent to " reversing gear ".
With A=3, D=4, C=1 for example, the gear range of speed changer is :+∞-0.5 and-∞--4.
The scope of W is: 2--0.25.
This speed changer example two realizes in the following manner:
It comprises sun gear (15), and planet wheel (11) engages with sun gear (15).
Input shaft (2) is connected with planet carrier (10), and sun gear (15) is connected with output shaft (3), and friction disk (6) is connected with transmission case (1).
The shaft axis of planet axis (9) is vertical with the shaft axis of friction disk (6).
Friction disk (6) can move axially.
The surface of contact of friction disk is that the surface of contact of concave surface friction disk comprises intrados or inner conical surface or both comprises.As shown in Figure 1.
It comprises the second friction disk (26), and friction disk (6) and the second friction disk (26) are arranged symmetrically with.As shown in Figure 1.
Second friction disk (26) can move axially.The surface of contact of the second friction disk (26) is identical with the surface of contact of friction disk (6).
Input shaft (2) is connected with the second friction disk (26).As shown in Figure 5.
Input shaft (2) is connected with planet carrier (10), and makes the rotating speed of the second friction disk (26) be always 2 times of the rotating speed of planet carrier (10).
When friction disk outwards moves, the centrifugal force that epicyclic friction gear (8) relies on revolution to produce outwards movement carries out speed change; When friction disk moves inward, friction disk extruding epicyclic friction gear (8), makes epicyclic friction gear (8) move inward and carries out speed change.
Epicyclic friction gear (8) and the fastest ratio≤planet wheel (11) of friction disk (6) and the velocity ratio of sun gear (15).
When planet wheel (11) is equal with the velocity ratio of friction disk (6) with epicyclic friction gear (8) with the velocity ratio of sun gear (15), transmission ratio is infinitely great, is namely equivalent to " neutral gear ".When epicyclic friction gear (8) outwards moves, transmission ratio reduces gradually.
When epicyclic friction gear (8) is less than the velocity ratio of planet wheel (11) and sun gear (15) with the fastest ratio of friction disk (6), namely during C < B, transmission ratio can be negative value, is namely equivalent to " reversing gear ".
With B=1, C=0.7, D=4 for example, the gear range of speed changer is :+∞-0.333 and-∞--3.333.
The scope of W is: 3--0.3.
This speed changer example three
This speed changer comprises spring (30), and spring (30) is supported between epicyclic friction gear (8) and planet carrier (10).The surface of contact of friction disk is plane, and epicyclic friction gear (8) compresses by friction disk, and friction disk (6) and the second friction disk (26) can not move axially.The rotating speed of planet carrier (10) increases, and the centrifugal force of epicyclic friction gear (8) increases, epicyclic friction gear (8) outwards movement, and extrusion spring (30), carries out speed change; The rotating speed of planet carrier (10) reduces, and the centrifugal force of epicyclic friction gear (8) reduces, and epicyclic friction gear (8) moves inward by the effect of spring (30), carries out speed change.As shown in Figure 8.
This speed changer example four
The shaft axis of this speed changer planet axis (9) and the shaft axis of friction disk (6) intersect at a point.But the shaft axis of planet axis (9) and the shaft axis out of plumb of friction disk.The surface of contact of friction disk is plane, friction disk can not move axially, planet carrier (10), output shaft (3) or gear ring (12) or sun gear (15) can move axially, and epicyclic friction gear (8) compresses by friction disk.As shown in Figure 9.The surface of contact of the friction disk of example four also can be the conical surface in addition, and is supported between epicyclic friction gear (8) and planet carrier (10) with spring (30).The surface of contact of the friction disk of example four also can be inner conical surface, and the true dip direction of planet axis (9) is contrary with Fig. 9 Suo Shi.
This speed changer example five
The shaft axis of this speed changer planet axis (9) and the shaft axis of friction disk (6) intersect at a point.The shaft axis of planet axis (9) and the shaft axis out of plumb of friction disk (6).The surface of contact of friction disk (6) is concave surface, and friction disk (6) or planet carrier (10) can move axially.As shown in Figure 10.Example five can also comprise the second friction disk (26), and the surface of contact of the second friction disk (26) is the conical surface.Example five can also be connected with the second friction disk (26) by input shaft.Part centrifugal power is converted into the pressure to friction disk (6) by example five, can improve bearing torque.
This speed changer example six
This speed changer comprises spring (30), and spring (30) is supported between epicyclic friction gear (8) and planet carrier (10).The surface of contact of friction disk is the conical surface.Friction disk can move axially.When adopting hydraulic control friction disk outwards to move, epicyclic friction gear (8) moves inward by the effect of spring (30), carries out speed change; When friction disk moves inward, friction disk extruding epicyclic friction gear (8), makes epicyclic friction gear (8) outwards move and carries out speed change.As shown in figure 11.
This speed changer example seven
This speed changer it also comprise planet axis sleeve pipe (31), planet carrier hydraulic pressure sleeve pipe (32), planet carrier hydraulic pressure sleeve pipe (32) is arranged on planet carrier (10), planet carrier hydraulic pressure sleeve pipe (32) and planet axis sleeve pipe (31) are socketed, planet axis sleeve pipe (31) and epicyclic friction gear (8) are connected, epicyclic friction gear (8) is connected with planet axis (9) key, planet axis (9) has hollow tube, and the chamber that planet axis sleeve pipe (31) is formed is communicated with gear-box by the hollow tube of planet axis (9).As shown in figure 12.The shaft axis of planet axis (9) is vertical with the shaft axis of friction disk (6).Friction disk (6) can move axially.The surface of contact of friction disk (6) is the conical surface.The surface of contact of friction disk (6) can also be plane or concave surface.
In addition, example one also can fixed friction dish (6), and gear ring (11) is connected with output shaft (3); Can also be connected with the second friction disk (26) by input shaft (2) as example two, and make the rotating speed of the second friction disk (26) be 2 times of the rotating speed of planet carrier (10).
Example two also can fix sun gear (15), and friction disk (6) is connected with output shaft (3).But such output shaft (3) can not be positioned on friction disk shaft axis, must increase one-level gear transmission, increase frictional loss.In my opinion example one and example two most representative, wherein the simplest with example two structure again.
Example three to example seven can use gear ring (11) to replace sun gear (15) too.Spring (30) is supported between epicyclic friction gear (8) and planet wheel (11).
Example seven structure relative complex, but its applicable low rotation speed large torque operating mode.
In addition, two speed changers positive and negative with the use of, the gear range of speed changer is :-∞-+∞.
This stepless change method example eight
It comprises friction wheel (6), epicyclic friction gear (8), planet axis (9), planet carrier (10), planet wheel (11), gear ring (12), friction wheel (6) contacts with epicyclic friction gear (8), epicyclic friction gear (8) can move axially, epicyclic friction gear (8) is connected with planet axis (9), planet axis (9) is connected with planet wheel (11), and planet wheel (11) engages with gear ring (12); Planet axis (9) is arranged on planet carrier (10); The shaft axis of planet axis (9) and the shaft axis of friction disk (6) intersect at a point.Planet wheel (11) is master gear; Gear ring (12) has side tooth, the proximal part (34) of side tooth is negative addendum modification gear, distal end (35) is gear with positive correction, middle circle (36) position is master gear, profile of tooth by proximal part (34) to distal end (35) gradually change and tooth depth is equal, tooth top at grade.When not affecting running, the planet wheel (11) engaged with this gear ring (12) side tooth can be moved axially like this.
Time this speed changer " neutral gear ", its velocity ratio can be infinitely great, and can change velocity ratio gradually.Namely " neutral gear " of this speed changer be " neutral gear " is also " P shelves ".Because time " neutral gear ", the reversing drive ratio of this speed changer is 0, and namely output shaft (3) is 0 with the velocity ratio of input shaft (2).Therefore when speed changer is in " neutral gear ", can not from output shaft (3) input power.Had this speed changer again not worry stops working in ramp later, because the velocity ratio of this speed changer can be infinitely great, speed changer can change velocity ratio according to the speed of a motor vehicle, engine speed etc., makes the increase that velocity ratio is unlimited, even if engine idle, the larger gradient all can not be stopped working.When ramp brake is stopped, speed changer can insert neutral gear when the speed of a motor vehicle is 0, and what then you can be bold lifts brake, although speed changer is in " neutral gear " also can not slip car, even if engine misses also can not slip car.During uphill starting, igniting, advance of stepping on the gas, like this simply.Touching on the brake except needing when will stop, all no longer needing in whole process to touch on the brake.
This speed changer is without clutch, and its positive and negative velocity ratio can be infinitely great, " forward gears ", " neutral gear (P shelves) " and " reversing gear " seamless connection.Its structure is simple, cost is low, slewing range is large, bearing capacity is strong, transmission efficiency is high, and easily regulates and controls, and can be widely used in transmission field.
Claims (20)
1. a speed changer, it comprises friction disk (6), epicyclic friction gear (8), planet axis (9), planet carrier (10), planet wheel (11), it also comprises gear ring (12) or sun gear (15), it is characterized in that, friction disk (6) contacts with epicyclic friction gear (8), epicyclic friction gear (8) can move axially, epicyclic friction gear (8) is connected with planet axis (9) key, planet axis (9) is connected with planet wheel (11), and planet wheel (11) engages with gear ring (12) or sun gear (15); Planet axis (9) is arranged on planet carrier (10); The shaft axis of planet axis (9) and the shaft axis of friction disk (6) intersect at a point.
2. speed changer according to claim 1, is characterized in that, the shaft axis of planet axis (9) is vertical with the shaft axis of friction disk (6).
3. speed changer according to claim 1, is characterized in that, friction disk (6) can move axially.
4. speed changer according to claim 1, is characterized in that, planet carrier (10) can move axially.
5. speed changer according to claim 1, is characterized in that, the surface of contact of friction disk (6) is concave surface.
6. the speed changer according to claim 3,4 or 5, is characterized in that, the surface of contact of friction disk (6) comprises intrados or inner conical surface or both comprises.
7. speed changer according to claim 1, is characterized in that, it comprises the second friction disk (26), and friction disk (6) and the second friction disk (26) are arranged symmetrically with.
8. speed changer according to claim 7, is characterized in that, the second friction disk (26) can move axially.
9. speed changer according to claim 7, is characterized in that, the surface of contact of the second friction disk (26) is identical with the surface of contact of friction disk (6).
10. speed changer according to claim 7, is characterized in that, input shaft (2) is connected with the second friction disk (26).
11. speed changers according to claim 10, is characterized in that, input shaft (2) is connected with planet carrier (10), and make the rotating speed of the second friction disk (26) be always 2 times of the rotating speed of planet carrier (10).
12. speed changers according to claim 7, it is characterized in that, it also comprises differential mechanism, differential pinion gear (21) is arranged on planet carrier (10), and two differential sun gears (20) are connected with friction disk (6) and the second friction disk (26) respectively.
13. speed changers according to claim 7, it is characterized in that, it also comprises motor, motoring second friction disk (26) or gear ring (12) or sun gear (15).
14. speed changers according to claim 1, is characterized in that, planet carrier (10) is connected with input shaft (2).
15. speed changers according to claim 1, is characterized in that, planet carrier (10) is connected with output shaft (3).
16. speed changers according to claims 14 or 15, is characterized in that, planet wheel (11) and the velocity ratio≤epicyclic friction gear (8) of gear ring (12) and the maximum transmission ratio of friction disk (6).
17. speed changers according to claims 14 or 15, is characterized in that, epicyclic friction gear (8) and the fastest ratio≤planet wheel (11) of friction disk (6) and the velocity ratio of sun gear (15).
18. speed changers according to claim 1, is characterized in that, it comprises screw key (14), and epicyclic friction gear (8) is connected by screw key (14) with planet axis (9).
19. speed changers according to claim 1, it is characterized in that, it also comprises planet axis sleeve pipe (31), planet carrier hydraulic pressure sleeve pipe (32), planet carrier hydraulic pressure sleeve pipe (32) is arranged on planet carrier (10), planet carrier hydraulic pressure sleeve pipe (32) and planet axis sleeve pipe (31) are socketed, planet axis sleeve pipe (31) and epicyclic friction gear (8) are connected, epicyclic friction gear (8) is connected with planet axis (9) key, planet axis (9) has hollow tube, the chamber that planet axis sleeve pipe (31) is formed is communicated with gear-box by the hollow tube of planet axis (9).
20. 1 kinds of stepless change methods, it comprises friction disk (6), epicyclic friction gear (8), planet axis (9), planet carrier (10), planet wheel (11), it also comprises gear ring (12) or sun gear (15), it is characterized in that, friction disk (6) contacts with epicyclic friction gear (8), epicyclic friction gear (8) can move axially, epicyclic friction gear (8) is connected with planet axis (9), planet axis (9) is connected with planet wheel (11), and planet wheel (11) engages with gear ring (12) or sun gear (15); Planet axis (9) is arranged on planet carrier (10); The shaft axis of planet axis (9) and the shaft axis of friction disk (6) intersect at a point; Move axially by epicyclic friction gear (8) action radius changing friction disk (6) and carry out speed change.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191634.4A CN105570420A (en) | 2014-11-03 | 2015-04-15 | Intersecting shaft type planet friction mechanical infinitely variable transmission and infinitely variable transmission method thereof |
| PCT/CN2015/000308 WO2016070487A1 (en) | 2014-11-03 | 2015-05-05 | Shaft intersection and planet friction type mechanical continuously variable transmission and continuously variable transmission method therefor |
Applications Claiming Priority (17)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014106479946 | 2014-11-03 | ||
| CN201410647994 | 2014-11-03 | ||
| CN201510044498 | 2015-01-21 | ||
| CN2015100444986 | 2015-01-21 | ||
| CN2015100444990 | 2015-01-22 | ||
| CN201510044499 | 2015-01-22 | ||
| CN2015100708857 | 2015-02-08 | ||
| CN201510070885 | 2015-02-08 | ||
| CN201510087933 | 2015-02-10 | ||
| CN2015100879333 | 2015-02-10 | ||
| CN2015101347023 | 2015-03-17 | ||
| CN201510134702 | 2015-03-17 | ||
| CN201510144292 | 2015-03-24 | ||
| CN2015101442920 | 2015-03-24 | ||
| CN201510154043 | 2015-03-25 | ||
| CN201510154043X | 2015-03-25 | ||
| CN201510191634.4A CN105570420A (en) | 2014-11-03 | 2015-04-15 | Intersecting shaft type planet friction mechanical infinitely variable transmission and infinitely variable transmission method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105570420A true CN105570420A (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510191634.4A Pending CN105570420A (en) | 2014-11-03 | 2015-04-15 | Intersecting shaft type planet friction mechanical infinitely variable transmission and infinitely variable transmission method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105570420A (en) |
| WO (1) | WO2016070487A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT337529B (en) * | 1975-06-26 | 1977-07-11 | Eumig | DEVICE FOR ADJUSTING THE SPEED OF A DRIVE DEVICE |
| KR100397280B1 (en) * | 2001-02-15 | 2003-09-06 | (주)티브이티 | trans mission of power |
| AT510574B1 (en) * | 2011-01-27 | 2012-05-15 | Avl List Gmbh | VARIATORS |
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- 2015-05-05 WO PCT/CN2015/000308 patent/WO2016070487A1/en active Application Filing
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| GB190578A (en) * | 1921-10-17 | 1922-12-28 | William Brownie Garden | An improved transmission gear |
| GB452422A (en) * | 1935-02-15 | 1936-08-17 | Charles Humphrey Woods | Improvements in variable speed and reversing gearing |
| CN2071274U (en) * | 1989-10-09 | 1991-02-13 | 浙江省平阳变速机械厂 | Circular cone differential planet stepless speed changer |
| JPH09250615A (en) * | 1996-03-13 | 1997-09-22 | M & C Kk | Transmission for transportation |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2016070487A1 (en) | 2016-05-12 |
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