CN105042009B - Axial lever actuated little tooth difference speed reducer - Google Patents
Axial lever actuated little tooth difference speed reducer Download PDFInfo
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- CN105042009B CN105042009B CN201510474205.8A CN201510474205A CN105042009B CN 105042009 B CN105042009 B CN 105042009B CN 201510474205 A CN201510474205 A CN 201510474205A CN 105042009 B CN105042009 B CN 105042009B
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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
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of axial lever actuated little tooth difference speed reducer, including：Support；External gear group, it includes equal the first external gear and the second external gear of the number of teeth being oppositely arranged up and down for being set in the bracket outer；Internal gear, it is set in the external gear group outside and can be engaged with the external gear group；Bent axle, its input shaft and the first crank arm and the second crank arm for including power input；Lever, its two ends and the middle one end that is close to are provided with 3 ball pairs, and the input shaft is moved in a circle by the first external gear described in the lever drives or second external gear, so as to drive the internal gear to rotate.The present invention proposes a kind of axial lever by the secondary carrying of ball to drive the programme of work of inside engaged gear, using this weak link of the ball current crankshaft bearing of secondary replacement, because the ball pair of face contact belongs to low pair, the stress that its material is born is low, thus bearing capacity is higher, both efficiency is improve, the target of Large-torsion transmisson is realized again.
Description
Technical field
The invention belongs to little tooth difference speed reducer field, and in particular to a kind of axial lever actuated little tooth difference speed reducer.
Background technology
Internal messing less teeth difference transmission has the advantages that contact strength is high, moment of torsion is big, and by high performance decelerator, institute is extensive
Using for example, RV decelerators, internal parallel moving gears reducer, three-ring speed reducer etc..However, with the increase of output torque, first
What is gone wrong is bearing, because bearing working is in rotating speed high, simultaneously because heavily loaded, radial load is very big, long-term heavy load work,
It is easy to go wrong, it is the bottle for improving this several gear reduction unit performance that paper both domestic and external has this on common recognition, i.e. bearing
Neck.
The content of the invention
It is an object of the invention to provide a kind of axial lever actuated little tooth difference speed reducer, the present invention proposes one
The programme of work of inside engaged gear kind is driven by the secondary axial lever for carrying of ball, using ball it is secondary replace current crankshaft bearing this
Weak link, because the ball pair of face contact belongs to low pair, the stress that its material is born is low, thus bearing capacity is higher, both carries
Efficiency high, realizes the target of Large-torsion transmisson again.
The present invention provide technical scheme be：
A kind of axial lever actuated little tooth difference speed reducer, including：
Support, extends multiple first connecting plates outside it；
External gear group, it includes the first equal external gear of the number of teeth being oppositely arranged up and down for being set in the bracket outer
With the second external gear, the inner periphery of first external gear and second external gear is each extended over out and first connecting plate
One-to-one multiple second connecting plates, multiple 3rd connecting plates；
Internal gear, it is set in the external gear group outside and can be engaged with the external gear group, the internal gear teeth
Number is more than first external gear and second external gear；
Bent axle, it is arranged on the support top, and the bent axle includes the input shaft of power input, and is set in described
On input shaft with the input shaft fix and together with the first crank arm and the second crank arm that rotate；
For first crank arm or second crank arm, the shell that can be relatively rotated with it is arranged with outside it
Body, the hull outside be symmetrically extended out in the horizontal direction it is multiple with one-to-one 4th connecting plate of first connecting plate,
Wherein,
Lever is lived with first connecting plate, second connecting plate or the 3rd connecting plate, the 4th connecting plate respectively
Connection is moved, and second connecting plate and the 3rd connecting plate are staggeredly connected with lever successively；
Or, lever connects with first connecting plate, second connecting plate, the 3rd connecting plate, the described 4th respectively
Fishplate bar is flexibly connected；
The input shaft is moved in a circle by the first external gear described in the lever drives or second external gear, fortune
During dynamic, first external gear is mutually nibbled with the internal gear along the symmetrical both sides in axle center respectively with second external gear
Close, so as to drive the internal gear to rotate.
Preferably, described axial lever actuated little tooth difference speed reducer, is equipped with three ball pairs on each described lever,
The lever is connected with first connecting plate, second connecting plate or the described 3rd respectively by three balls pair respectively
Plate, the 4th connecting plate sphere connection；
Or the lever that partial symmetry is set is provided with four ball pairs, the lever is respectively by four balls pair point
It is not connected with first connecting plate, second connecting plate, the 3rd connecting plate, the 4th connecting plate sphere.
Preferably, described axial lever actuated little tooth difference speed reducer, the lever is by near the 4th connecting plate
A ball pair, be divided into the first sub- lever, away from the 4th connecting plate second near the 4th connecting plate
Sub- lever, the length of the length more than the described second sub- lever of the first sub- lever.
Preferably, described axial lever actuated little tooth difference speed reducer, the support is hollow form.
Preferably, described axial lever actuated little tooth difference speed reducer, the quantity of the lever is even number, and described
Lever is symmetrical along the circumference of the first external gear.
Preferably, described axial lever actuated little tooth difference speed reducer, first external gear and second external tooth
The size of wheel is consistent.
A kind of axial lever actuated little tooth difference speed reducer, including：
Internal gear group, it includes equal the first internal gear and secondary annulus of the number of teeth that is oppositely arranged up and down, described
The excircle of one internal gear and the secondary annulus each extends over out multiple 5th connecting plates, multiple 6th connecting plates；
External gear, it is located at the internal gear group inside and can be engaged with the internal gear group, the tooth of the external gear
Number is less than first internal gear and the number of teeth of the secondary annulus；
Support, positioned at the outside of internal gear group, and extends multiple with the 5th connecting plate and the described 6th to the inside
Connecting plate the 7th connecting plate of one-to-one multiple；
Bent axle, it is arranged on the internal gear top, and the bent axle includes the input shaft of power input, and is set in institute
State on input shaft with the input shaft fix and together with the first crank arm and the second crank arm that rotate；
For first crank arm or second crank arm, the shell that can be relatively rotated with it is arranged with outside it
Body, the hull outside is symmetrically extended out multiple with the 5th connecting plate and a pair of the 6th connecting plate 1 in the horizontal direction
The 4th connecting plate answered,
Wherein,
Lever is connected with the 5th connecting plate or the 6th connecting plate, the 4th connecting plate, the described 7th respectively
Plate is flexibly connected；
The input shaft is moved in a circle by the first internal gear described in the lever drives or the secondary annulus, fortune
During dynamic, first internal gear is mutually nibbled with the external gear along the symmetrical both sides in axle center respectively with the secondary annulus
Close, so as to drive the external gear to rotate.
The present invention at least includes following beneficial effect：The present invention is utilized outside first described in the lever drives by input shaft
Gear or second external gear move in a circle, and in motion process, first external gear is distinguished with second external gear
It is meshed along the symmetrical both sides in axle center with the internal gear, so as to drive the internal gear to rotate；And lever is by 3 ball pairs
It is divided into the first sub- lever and the second sub- lever away from the 4th connecting plate near the 4th connecting plate, the first sub- thick stick
The length of bar, according to lever balance theory, drives more than the length of the described second sub- lever in input shaft, that is, in the first son
One end of lever drives, and can obtain bigger driving force, that is to say, that can substantially reduce the radial load of input, improves whole
The bearing capacity of decelerator.
Brief description of the drawings
Fig. 1 is the structural representation of the axial lever actuated little tooth difference speed reducer described in embodiment 1 in the present invention；
Fig. 2 is the structural representation of the axial lever actuated little tooth difference speed reducer described in embodiment 2 in the present invention；
Fig. 3 is the structural representation of the axial lever actuated little tooth difference speed reducer described in embodiment 3 in the present invention；
Fig. 4 is the structural representation of the axial lever actuated little tooth difference speed reducer described in embodiment 4 in the present invention；
Fig. 5 is that the force analysis principle of the lever in heretofore described axial lever actuated little tooth difference speed reducer is illustrated
Figure.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
Embodiment 1
As shown in figure 1,
A kind of axial lever actuated little tooth difference speed reducer, including：
Support 1, extends multiple first connecting plates 110 outside it；
External gear group 2, it includes being set in the first equal external tooth of the number of teeth being oppositely arranged up and down outside the support 1
The inner periphery of wheel 210 and second external gear 220, first external gear 210 and second external gear 220 each extend over out with
One-to-one multiple second connecting plates 230 of first connecting plate 110, multiple 3rd connecting plates 240；
Internal gear 3, it is set in the outside of the external gear group 2 and can be engaged with the external gear group 2, the internal gear
3 numbers of teeth are more than first external gear 210 and second external gear 220, in order to illustrate to become apparent from, the internal gear in Fig. 13
Part is drawn；
Bent axle, it is arranged on the top of the support 1, and the bent axle includes the input shaft 410 of power input, and is set in
On the input shaft 410 with the input shaft 410 fix and together with the first crank arm 420 and the second crank arm 430 that rotate；
For first crank arm 420 or second crank arm 430, being arranged with outside it can occur relative turning with it
Dynamic housing 5, is symmetrically extended out multiple one-to-one with first connecting plate 110 in the horizontal direction outside the housing 5
4th connecting plate 510,
Wherein, lever 6 be connected 240 with first connecting plate 110, second connecting plate 230 or the described 3rd respectively,
4th connecting plate 510 is flexibly connected, and second connecting plate and the 3rd connecting plate are staggeredly connected with lever successively；
The input shaft 410 drives first external gear 210 or second external gear 220 to do by the lever 6
Circular motion, in motion process, first external gear 210 and second external gear 220 respectively with the internal gear 3 along
The symmetrical both sides in axle center are meshed, so as to drive the internal gear 3 to rotate.
Wherein, implementing the mode for driving the internal gear 3 to rotate is：In the two neighboring lever 6 wherein one
Individual ball is secondary alternately to connect first connecting plate 110, second connecting plate 230 respectively, and the first connecting plate is divided near support 1
Two kinds of top and bottom, the secondary connection respectively of one of ball in two levers 6 being mutually symmetrical is close to the first of upper end
Connecting plate 110, the first connecting plate 110 near lower end, and along the axis direction of the support 1, first external gear 210
The first connecting plate 110 near the upper end of support 1, the first connecting plate 110 near the lower end of support 1 are located at the second external gear 220
Between.
Described axial lever actuated little tooth difference speed reducer, is equipped with three ball pairs, the lever on each described lever 6
6 are connected with first connecting plate 110, second connecting plate 230 or the described 3rd respectively by three balls pair respectively
Plate 240, the sphere of the 4th connecting plate 510 connection；
Described axial lever actuated little tooth difference speed reducer, the lever 6 is close to of the 4th connecting plate 510
The ball pair is divided into the first sub- lever and the second sub- thick stick away from the 4th connecting plate near the 4th connecting plate 510
Bar, the length of the length more than the described second sub- lever of the first sub- lever.
Described axial lever actuated little tooth difference speed reducer, the support 1 is hollow form, so that its hollow part can be used
To set other devices.
Described axial lever actuated little tooth difference speed reducer, the quantity of the lever 6 is even number, and the edge of the lever 6
The circumference for the first external gear 210 is symmetrical so that stress is more uniformly distributed, and preferably drives the rotation of internal gear 3.
Described axial lever actuated little tooth difference speed reducer, first external gear 210 and second external gear 220
Size is consistent, and so the mesh degree with internal gear 3 is more preferable, is conducive to preferably driving the rotation of internal gear 3.
The quantity of lever 6 is 6,3 pairs in Fig. 1.
The present invention drives first external gear 210 or second external gear by input shaft 410 using the lever 6
220 move in a circle, in motion process, first external gear 210 and second external gear 220 respectively with the internal gear
3 are meshed along the symmetrical both sides in axle center, so as to drive the internal gear 3 to rotate；And lever 6 is divided into by 3 ball pairs and leans on
The first sub- lever and the second sub- lever away from the 4th connecting plate 510 of nearly 4th connecting plate 510, the first sub- lever
Length of the length more than the described second sub- lever, according to lever balance theory, driven in input shaft, that is, in the first sub- thick stick
One end of bar drives, and can obtain bigger driving force, that is to say, that can substantially reduce the radial load of input, and raising entirely subtracts
The bearing capacity of fast device.
Embodiment 2
As shown in Fig. 2 its is similar to Example 1, and it is the alternative solution of Fig. 1, difference is：In embodiment 2, partial symmetry
The lever 6 of setting is provided with four ball pairs, the lever respectively by four balls it is secondary respectively with first connecting plate
110th, second connecting plate 230, the 3rd connecting plate 240, the sphere of the 4th connecting plate 510 connection, remaining is in symmetrical
The lever 6 of setting is provided with 3 three ball pairs, its connected mode as the connected mode of embodiment 1, three balls it is secondary respectively with institute
The first connecting plate 110, second connecting plate 230 or the 3rd connecting plate 240, the sphere of the 4th connecting plate 510 is stated to connect
Connect, wherein, two neighboring lever a, lever sets three ball pairs, and another lever sets four ball pairs；
And three ball pairs are equipped with embodiment 1 on all levers 6, the lever is respectively by four ball pairs
Respectively with first connecting plate 110, second connecting plate 230 or the 3rd connecting plate 240, the 4th connecting plate
510 spheres are connected；
First connecting plate 110 is located at corresponding second connecting plate 230 of first external gear 210 and described
Between corresponding second connecting plate 240 of second external gear 220.
Wherein, implementing the mode for driving the internal gear 3 to rotate is：The lever being mutually symmetrical connects three balls simultaneously
Pair, or four ball pairs are connected simultaneously, if three ball pairs of connection, in two levers 6 being mutually symmetrical wherein one
Individual ball is secondary to connect the first connecting plate near upper end, the first connecting plate near lower end respectively, and along the axis of the support 1
Direction, the external gear 220 of first external gear 210 and second is located at and is close to the first connecting plate 110 of the upper end of support 1, is close to branch
Between first connecting plate 110 of the lower end of frame 1；If four balls pairs of connection, each secondary lever 6 of four balls of connection can
Opposite direction drives two external gears, i.e. the first external gear and the second external gear, such lever 6 to function as reality simultaneously
Apply two symmetrical roles of lever 6 in example 1.
Embodiment 3
Embodiment 3 is similar to the embodiment 1, and difference is：The quantity of lever 6 is 12 in embodiment 3,6 pairs, is implemented
The quantity of lever 6 is 6,3 pairs in example 1.
As shown in figure 3,
A kind of axial lever actuated little tooth difference speed reducer, including：
Support 1, extends multiple first connecting plates 110 outside it；
External gear group 2, it includes being set in the first equal external tooth of the number of teeth being oppositely arranged up and down outside the support 1
The inner periphery of wheel 210 and second external gear 220, first external gear 210 and second external gear 220 each extend over out with
One-to-one multiple second connecting plates 230 of first connecting plate 110, multiple 3rd connecting plates 240；
Internal gear 3, it is set in the outside of the external gear group 2 and can be engaged with the external gear group 2, the internal gear
3 numbers of teeth are more than first external gear 210 and second external gear 220, in order to illustrate to become apparent from, the internal gear in Fig. 13
Part is drawn；
Bent axle, it is arranged on the top of the support 1, and the bent axle includes the input shaft 410 of power input, and is set in
On the input shaft 410 with the input shaft 410 fix and together with the first crank arm 420 and the second crank arm 430 that rotate；
For first crank arm 420 or second crank arm 430, being arranged with outside it can occur relative turning with it
Dynamic housing 5, is symmetrically extended out multiple one-to-one with first connecting plate 110 in the horizontal direction outside the housing 5
4th connecting plate 510,
Wherein, lever 6 be connected 240 with first connecting plate 110, second connecting plate 230 or the described 3rd respectively,
4th connecting plate 510 is flexibly connected, and second connecting plate and the 3rd connecting plate are staggeredly connected with lever successively；
The input shaft 410 drives first external gear 210 or second external gear 220 to do by the lever 6
Circular motion, in motion process, first external gear 210 and second external gear 220 respectively with the internal gear 3 along
The symmetrical both sides in axle center are meshed, so as to drive the internal gear 3 to rotate.
Embodiment 4
As shown in figure 4,
A kind of axial lever actuated little tooth difference speed reducer, including：
Internal gear group 7, it includes equal the first internal gear 710 and secondary annulus 720 of the number of teeth that is oppositely arranged up and down,
The excircle of first internal gear 710 and the secondary annulus 720 each extends over out multiple 5th connecting plates 730, multiple
6th connecting plate 740；
External gear 8, it is located at the inside of the internal gear group 7 and can be engaged with the internal gear group 7, the external gear 8
The number of teeth of the number of teeth less than first internal gear 710 and the secondary annulus 720；
Support 9, positioned at the outside of internal gear group 7, and extends multiple with the 5th connecting plate 730 and described to the inside
The 7th connecting plate 910 of one-to-one multiple of 6th connecting plate 740, in order to intuitively show, support has only drawn half herein；
Bent axle, it is arranged on the top of the internal gear 8, and the bent axle includes the input shaft 410 of power input, and is arranged
On the input shaft 410 with the input shaft fix and together with the first crank arm 420 and the second crank arm 430 that rotate；
For first crank arm 420 or second crank arm 430, being arranged with outside it can occur relative turning with it
Dynamic housing 5, is symmetrically extended out multiple with the 5th connecting plate 730 and the described 6th in the horizontal direction outside the housing 5
One-to-one 4th connecting plate 510 of connecting plate 740,
Wherein,
Lever 6 respectively with the 5th connecting plate 730 or the 6th connecting plate 740, the 4th connecting plate 510, institute
The 7th connecting plate 910 is stated to be flexibly connected；
The input shaft 410 drives first internal gear 710 or the secondary annulus 720 to do by the lever 6
Circular motion, in motion process, first internal gear 710 and the secondary annulus 720 respectively with the external gear 8 along
The symmetrical both sides in axle center are meshed, so as to drive the external gear 8 to rotate.
Its is similar to Example 1 for embodiment 4, and difference is：In embodiment 4, support 9 is externally-located, successively inward, respectively
It is internal gear group, external gear；External gear is intercoursed with internal gear, and two external gears in embodiment 1, an internal gear are replaced
An external gear, two internal gears are changed to, few teeth difference rotation is similarly formed.
As shown in figure 5, a lever, ball secondary O is middle fulcrum, and ball secondary A is load output point, and ball secondary B drives for input
Moving point.As can be seen that in the case where same power and distance is exported, if AO, BO are more long, then the pivot angle of lever is smaller, O points
Frictional dissipation is also smaller, if same O point sphere diameters are smaller, the distance for rubbing is also smaller, is lost smaller.But, while ball pair
Stress is also bigger, it is desirable to which the intensity of rod member is also higher.Same situation is also occurred at ball secondary A and B.
Relative to OB length, distance is small between AO, so stress is big at A, O, and ball secondary B to locate then stress smaller.Therefore at B
Drive, then can substantially reduce the radial load of input, improve the bearing capacity of whole decelerator.As long as intensity meets and wants at AO
Ask, whole decelerator just can be with normal work.The quantity of other lever can suitably increase, and to share load, further improve
Workload, therefore different lever lengths, lever thickness and sphere diameter can be selected under different service conditions, that is, select not
With component strength, can be in volume, efficiency seeks a rational balance between torque.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Modification in addition is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited to
Specific details and shown here as the legend with description.
Claims (4)
1. a kind of axial lever actuated little tooth difference speed reducer, it is characterised in that including：
Support, extends multiple first connecting plates outside it, the support is hollow form；
External gear group, it includes the first equal external gear of the number of teeth being oppositely arranged up and down for being set in the bracket outer and
Two external gears, first external gear is consistent with the size of second external gear, outside first external gear and described second
The inner periphery of gear is each extended over out and is connected with one-to-one multiple second connecting plates of first connecting plate, the multiple 3rd
Plate；
Internal gear, it is set in the external gear group outside and can be engaged with the external gear group, and the internal gear number of teeth is big
In first external gear and second external gear；
Bent axle, it is arranged on the support top, and the bent axle includes the input shaft of power input, and is set in the input
On axle with the input shaft fix and together with the first crank arm and the second crank arm that rotate；
For first crank arm or second crank arm, the housing that can be relatively rotated with it is arranged with outside it,
The hull outside be symmetrically extended out in the horizontal direction it is multiple with one-to-one 4th connecting plate of first connecting plate,
Wherein, lever is lived with first connecting plate, second connecting plate or the 3rd connecting plate, the 4th connecting plate respectively
Connection is moved, and second connecting plate and the 3rd connecting plate are staggeredly connected with lever successively；
Or, lever respectively with first connecting plate, second connecting plate, the 3rd connecting plate, the 4th connecting plate
It is flexibly connected；
The input shaft is moved in a circle by the first external gear described in the lever drives or second external gear, is moved through
Cheng Zhong, first external gear is meshed with the internal gear along the symmetrical both sides in axle center respectively with second external gear,
So as to drive the internal gear to rotate.
2. axial direction lever actuated little tooth difference speed reducer as claimed in claim 1, it is characterised in that be all provided with each described lever
Have three ball pairs, the lever respectively by three balls it is secondary respectively with first connecting plate, second connecting plate or
3rd connecting plate, the 4th connecting plate sphere connection；
Or the lever that partial symmetry is set is provided with four ball pairs, the lever respectively by four balls it is secondary respectively with
First connecting plate, second connecting plate, the 3rd connecting plate, the 4th connecting plate sphere connection.
3. axial direction lever actuated little tooth difference speed reducer as claimed in claim 2, it is characterised in that the lever is by near described
One ball pair of the 4th connecting plate, be divided near the 4th connecting plate the first sub- lever, away from the 4th company
Second sub- lever of fishplate bar, the length of the length more than the described second sub- lever of the first sub- lever.
4. axial direction lever actuated little tooth difference speed reducer as claimed in claim 1, it is characterised in that the quantity of the lever is even
It is several, and the lever is symmetrical along the circumference of the first external gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510474205.8A CN105042009B (en) | 2015-08-05 | 2015-08-05 | Axial lever actuated little tooth difference speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510474205.8A CN105042009B (en) | 2015-08-05 | 2015-08-05 | Axial lever actuated little tooth difference speed reducer |
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| Publication Number | Publication Date |
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| CN105042009A CN105042009A (en) | 2015-11-11 |
| CN105042009B true CN105042009B (en) | 2017-06-30 |
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ID=54448828
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510474205.8A Active CN105042009B (en) | 2015-08-05 | 2015-08-05 | Axial lever actuated little tooth difference speed reducer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443447B (en) * | 2018-01-23 | 2021-05-04 | 北京邮电大学 | High-strength high-efficiency spherical kinematic pair lever-driven reducer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3204458A1 (en) * | 1982-02-09 | 1983-08-18 | Wolfgang 7403 Ammerbuch Ettig | Crank gearing for cranks actuated by muscle power |
| GB2398618A (en) * | 2003-02-18 | 2004-08-25 | Griffith Textile Mach Ltd | Oscillatory drive assembly |
| CN1546886A (en) * | 2003-12-05 | 2004-11-17 | 徐松林 | Rotation axis lever planetary transmission |
| CN101233343A (en) * | 2005-07-29 | 2008-07-30 | Ums机械制造有限责任公司 | Continuously variable transmission and operating method therefor |
| CN104763792A (en) * | 2015-04-29 | 2015-07-08 | 陈宏才 | Labor-saving wheel |
| CN204921898U (en) * | 2015-08-05 | 2015-12-30 | 廖啟征 | Poor reduction gear of few tooth of axial lever drive |
-
2015
- 2015-08-05 CN CN201510474205.8A patent/CN105042009B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3204458A1 (en) * | 1982-02-09 | 1983-08-18 | Wolfgang 7403 Ammerbuch Ettig | Crank gearing for cranks actuated by muscle power |
| GB2398618A (en) * | 2003-02-18 | 2004-08-25 | Griffith Textile Mach Ltd | Oscillatory drive assembly |
| CN1546886A (en) * | 2003-12-05 | 2004-11-17 | 徐松林 | Rotation axis lever planetary transmission |
| CN101233343A (en) * | 2005-07-29 | 2008-07-30 | Ums机械制造有限责任公司 | Continuously variable transmission and operating method therefor |
| CN104763792A (en) * | 2015-04-29 | 2015-07-08 | 陈宏才 | Labor-saving wheel |
| CN204921898U (en) * | 2015-08-05 | 2015-12-30 | 廖啟征 | Poor reduction gear of few tooth of axial lever drive |
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| Publication number | Publication date |
|---|---|
| CN105042009A (en) | 2015-11-11 |
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