CN100406776C - Transmission with balance device - Google Patents
Transmission with balance device Download PDFInfo
- Publication number
- CN100406776C CN100406776C CN2005100354539A CN200510035453A CN100406776C CN 100406776 C CN100406776 C CN 100406776C CN 2005100354539 A CN2005100354539 A CN 2005100354539A CN 200510035453 A CN200510035453 A CN 200510035453A CN 100406776 C CN100406776 C CN 100406776C
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- drive plate
- eccentric
- speed changer
- shaft
- drive shaft
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Abstract
The present invention discloses a speed changer with an equilibristat, which comprises a slide block subassemblies, a castle wheel assembly, a main transmission shaft and an eccentric driving disc subassembly which is driven by the main transmission shaft to rotate, wherein the castle wheel assembly and the main transmission shaft are driven by the slide block subassemblies; the eccentric driving disc subassembly comprises a first driving disc and a second driving disc which are arranged on the main transmission shaft in an eccentric way, and the shaft lines of the first driving disc and the second driving disc are parallel to the shaft line of the main transmission shaft; corresponding to the eccentric direction of the main transmission shaft, the first driving disc and the second driving disc are opposite to each other, and the eccentric quantity of the first driving disc equals that of the second driving disc; the first driving disc and the second driving disc are respectively provided with at least three toggle slots which are provided with intervals and are used for loading the slide block subassemblies. When the main transmission shaft drives the first driving disc and the second driving disc to rotate, equal eccentric forces which are mutually offset and are provided with opposite directions are generated; thus, the effect of vibration elimination and noise reduction is performed, and transfer efficiency is raised.
Description
Technical field
The present invention relates to the gear of mechanical field, in particular, relate to centering type transmission with equilibrium structure.
Background technique
Chinese patent ZL92105836.5 number " infinitely variable speed device of slide block eccentric type " discloses a kind of stepless speed variator, as shown in figure 10, between first clutch pinion 22 in this speed changer and second clutch pinion (figure does not show), one group of chase dish 21 that is provided with chase 211 is set, and at the sliding ditch 221 of first clutch pinion 22 and second clutch pinion, the roller slide block 24 that comprises spring 243 and roller 242 is set respectively in 223, and the pillar 244 on the side all is provided with roller 245 in the central, 245 on each roller of roller slide block 24 on first clutch pinion 22 and second clutch pinion utilizes interlace mode to be assembled in the chase dish 211 respectively, thereby, under elevating bracket control, produce lifting, process in lifting can make each roller 245 produce moving of different conditions in chase 211, and chase dish 21 and main drive shaft axle center are changed, and then realize that the stepless variation of driving radius reaches infinite variable speed purpose.
As improved, drive plate 41 as shown in figure 11 occurred and replaced above-mentioned chase dish 21.The periphery of this drive plate is provided with a plurality ofly stirs groove (among the figure being five), and two roller slide blocks 24 are separately positioned on the both sides of this drive plate by a pillar, and this pillar is contained in stirring in the groove 411 of this drive plate by roller group.
The clutch pinion of above-mentioned two kinds of speed changers and slide block structure also can adopt the one-way clutch wheel construction as the rollaway type of No. the 200510034124.2nd, Chinese patent application, as Figure 12 and shown in Figure 13, raceway one-way clutch wheel comprise by pressing plate 61 in conjunction with inner ring 62 and outer ring 63 forms the band groove clutch pinion, be arranged on the interior slide block 65 of annular groove 64 of clutch pinion.The inner edge and the outer rim of slide block 65 are provided with inclined notches formed; In the outside of described inner ring 62, outer ring 63 is inboard and the bottom of the groove of described slide block 65 is equipped with raceway; Between the raceway of the raceway of described inner ring 62 and described slide block 65 inner edge grooves, and be equipped with roll piece 66 between the raceway of described outer ring 63 raceways and described slide block 65 outer rim grooves; In the groove of described slide block 65, be provided with the elastic component that withstands described roll piece 66 and described raceway driving fit.Be by roll piece 66 is set in its raceway between slide block 65 and the clutch pinion, and realize being connected of slide block and clutch pinion, thereby avoided contacting between clutch pinion and the slide block.
Yet, in the speed changer of said structure, because chase dish and drive plate are eccentric rotary, inevitably produce bigger vibrations, and produce bigger noise thereupon, thereby limited the application of this speed changer greatly.
Summary of the invention
At above-mentioned prior art, technical problem to be solved by this invention is: provide a kind of can balance its work vibrations, that reduce noise, the speed changer that increases the band balance of transmitted power that produce.
In order to address the above problem, technological scheme of the present invention provides a kind of speed changer with balance, the clutch pinion assembly and the main drive shaft that comprise slide block assembly, driven by described slide block assembly.This speed changer also comprises the eccentric driving assembly that is driven rotation by described main drive shaft; Described eccentric driving assembly comprises first drive plate and second drive plate that is eccentrically set on the described main drive shaft, and described first drive plate, the axis of second drive plate and the parallel axes of main drive shaft; Described first drive plate and described second drive plate are opposite with respect to the eccentric direction of described main drive shaft, offset equates; Described first drive plate and second drive plate have respectively at least three described slide block assemblies of installing pillar, be provided with at interval stir groove.
The speed changer of above-mentioned band balance, described eccentric driving assembly also comprise by described main drive shaft drive eccentric structure that rotate, that supply described first drive plate and second drive plate to install; Described eccentric structure is eccentric bushing or capacity eccentric bearing; It comprises and coaxial first joint of described first drive plate and second joint coaxial with described second drive plate, and described first joint and second joint with respect to the eccentric direction of described main drive shaft make the eccentric direction of described first drive plate and second drive plate opposite with offset, offset is identical; Described first drive plate and second drive plate respectively by Bearing Installation on first joint and second joint of described eccentric bushing, and by described eccentric bushing driven rotary.The quality of described first drive plate and second drive plate equates.
The described main drive shaft of the speed changer of above-mentioned band balance is a hollow shaft, and its position with respect to described first, second drive plate is provided with through hole; Described drive plate assembly also comprise be arranged in the described hollow shaft, and extended described through hole oppositely promote the eccentric driving device of described first, second drive plate respectively.Described main drive shaft is respectively equipped with two the parallel straight troughs parallel with described through hole with respect to the both sides outer wall of described through hole, puts the opposite snap ring of direction on described parallel straight trough respectively; Described first, second drive plate respectively by Bearing Installation on described snap ring.Described eccentric driving device is the parallelogram push rod that is arranged on the activity in the described hollow shaft; Wherein, a summit of described quadrilateral push rod is fixed on an end of described main drive shaft, and another corresponding summit is connected with external catch bar, and its two other summit roof pressure respectively promotes described two snap ring reversing motions.
The described drive plate assembly of the speed changer of above-mentioned band balance also comprises and is arranged on three drive plate of described second drive plate away from a side of described first drive plate; Described the 3rd drive plate is identical with the structure of described first drive plate, and described the 3rd drive plate is identical with described first drive plate with offset with respect to the eccentric direction of described main drive shaft; Described first, second, third drive plate to stir groove evenly spaced apart on circumference.
Described first drive plate of the speed changer of above-mentioned band balance equates with the quality of described the 3rd drive plate, and the quality sum of described first drive plate and the 3rd drive plate equals the quality of described second drive plate.Described first, second, third drive plate by Bearing Installation on eccentric structure; Described eccentric structure is three eccentric bushings or capacity eccentric bearing, and it comprises respectively and described first, second, third drive plate first joint, second joint and three joint consistent with respect to the eccentric direction of described main drive shaft; And described first, second, third joint and the coaxial setting of described first, second, third drive plate.
The described main drive shaft of the speed changer of above-mentioned band balance is a hollow shaft, and its position with respect to described first, second drive plate, the 3rd drive plate is provided with through hole; Described drive plate assembly also comprise be arranged in the described hollow shaft, and extended described through hole oppositely promote the eccentric driving device of described first, second, third drive plate respectively.Described eccentric driving device is the push rod that is arranged on " M " type of the activity in the described hollow shaft; Wherein, described push rod end points is fixed on an end of main drive shaft; Another corresponding end points is connected with extraneous catch bar; Three summits correspondences that it is other and the lead to the hole site setting of described main drive shaft, and promote described snap ring forward and reverse outside moving at interval.
Compared with prior art, first drive plate of the speed changer of band balance of the present invention and second drive plate all produce eccentric with respect to described main drive shaft, and its eccentric direction is opposite, offset equates; Thereby, when main drive shaft drives described first drive plate and the rotation of second drive plate, produce the opposite eccentric force of equal and opposite in direction, direction of cancelling out each other, thereby play the effect of eliminating vibration, reducing noise, improved transmission efficiency.
Description of drawings
Fig. 1 is the front schematic view of drive plate of the speed changer of band balance of the present invention;
Fig. 2 is first embodiment's the eccentric bushing of speed changer of band balance of the present invention and the cross-sectional schematic of drive plate;
Fig. 3 is first embodiment's the assembling cross-sectional schematic of the speed changer of band balance of the present invention;
Fig. 4 is second embodiment's the schematic representation of hollow shaft of the speed changer of band balance of the present invention;
Fig. 5 is second embodiment's the front schematic view of annulus of the speed changer of band balance of the present invention;
Partial schematic sectional view when Fig. 6 is second embodiment's the not speed change of speed changer of band balance of the present invention;
Partial schematic sectional view when Fig. 7 is second embodiment's the speed change of speed changer of band balance of the present invention;
Fig. 8 is the 3rd embodiment's the cross-sectional schematic of drive plate assembly of the speed changer of band balance of the present invention;
Fig. 9 is the 4th embodiment's the schematic representation of eccentric driving device of the speed changer of band balance of the present invention;
Figure 10 is the three-dimensional exploded view of chase dish and clutch pinion in the existing infinitely variable speed device of slide block eccentric type;
Figure 11 is the schematic representation of a kind of form of the drive plate in the existing centering type transmission;
Figure 12 is the cross-sectional schematic of the one-way clutch wheel construction of the rollaway type in the existing centering type transmission;
Figure 13 is the front schematic view of the one-way clutch wheel construction of the rollaway type in the existing centering type transmission.
Embodiment
Describe the speed changer of band balance of the present invention in detail below in conjunction with accompanying drawing and specific embodiment.
The speed changer of band balance of the present invention, the slide block assembly that comprises main drive shaft, is installed in drive plate assembly on the described main drive shaft, drives by described drive plate assembly and by the clutch pinion of described slide block assembly driven rotary.Described clutch pinion and slide block assembly can adopt the slide block clutch pinion structure of roller type, also can adopt the one-way clutch wheel construction of rollaway type.
As shown in Figure 1 to Figure 3, be first embodiment of the speed changer of band balance of the present invention, its drive plate assembly 10 is a setting value with the offset of main drive shaft 31, is the constant speed speed changer; Wherein said setting value can design according to actual needs.Described drive plate assembly 10 comprises that off-centre is installed in first drive plate 11 and second drive plate 12 on the described main drive shaft 31.The axis of described first drive plate 11 and second drive plate 12 and the parallel axes setting of described main drive shaft 31, and equidistantly be arranged on the axis both sides of described main drive shaft 31 respectively, thereby it is eccentric to make that described first drive plate 11 and second drive plate 12 all produce with respect to described main drive shaft 31, and its eccentric direction is opposite, offset equates.Thereby, when described main drive shaft 31 drives described first drive plate 11 and 12 rotations of second drive plate, produce the opposite eccentric force of equal and opposite in direction, direction of cancelling out each other, the realizable force balance, thereby the effect that play and eliminate vibration, reduces noise has improved transmission efficiency.
As shown in Figure 1, described first drive plate 11 is identical with the structure of second drive plate 12, evenly is provided with the groove of stirring that the pillar of the described slide block assembly of a plurality of confessions installs on its circumference, in the present embodiment is three, can certainly be four.And the groove of stirring of described first drive plate 11 and second drive plate 12 evenly is provided with on circumference at interval.The described groove of stirring can be various forms such as shift fork, groove, circular groove.
As shown in Figure 2, in the present embodiment, described first, second drive plate 11,12, and is installed on the described main drive shaft 31 by described eccentric structure on eccentric structure by Bearing Installation.Described eccentric structure can be eccentric bushing 13 or capacity eccentric bearing, and it comprises first joint 131 and second joint 132.Described first joint 131 and the 11 coaxial settings of described first drive plate; Described second joint 132 and the 12 coaxial settings of described second drive plate.Thereby can at first described first, second drive plate 11,12 be installed on the eccentric bushing 13, and guaranteed that first drive plate 11 and second drive plate 12 are opposite with respect to the eccentric direction of main drive shaft 31, offset equates, as shown in Figure 3, whole drive plate assembly 10 is installed on the main drive shaft 31, makes installation more convenient, simple.When using eccentric bushing 13, eccentric bushing 13 is installed on the described main drive shaft 31 with bearing; And when using capacity eccentric bearing, can directly it be installed on the described main drive shaft 31.
To shown in Figure 7, is second embodiment of the speed changer of band balance of the present invention as Fig. 4, and the offset of its drive plate assembly and main drive shaft 32 can carry out step-less adjustment, is stepless speed variator.Wherein, the structure of described first drive plate 11 and second drive plate 12 is identical with a last embodiment.
In the present embodiment, as shown in Figure 4, described main drive shaft 32 is a hollow shaft, and its position with respect to described first, second drive plate 11,12 is provided with through hole 321.And described main drive shaft 32 is respectively equipped with four the parallel straight troughs 322 parallel with described through hole 321 with respect to the both sides outer wall of described through hole 321, puts the opposite snap ring of direction 323 respectively on described parallel straight trough 322.Described snap ring 323 makes described snap ring 323 to slide up and down on described parallel straight trough 322 Vertical direction for having the opening annulus of n type opening.Described first drive plate 11 and second drive plate 12 respectively by Bearing Installation on described snap ring 323, and can only on described parallel straight trough 322 Vertical direction, slide up and down under the restriction of described snap ring 323.
Described drive plate assembly have be arranged in the described hollow shaft, and extended described through hole oppositely promote the eccentric driving device of described first drive plate 11, second drive plate 12 respectively.In the present embodiment, described eccentric driving device comprises the parallelogram push rod 51 that is arranged on the activity in the described hollow shaft; Wherein, a summit of described quadrilateral push rod 51 is fixed on an end of described main drive shaft 32, and another corresponding summit is connected with external catch bar, and its two other summit roof pressure respectively promotes described two snap ring 323 reversing motions.In the outer end of described catch bar a thrust bearing 511 is installed also, thereby can be prevented the reversing motion of described quadrilateral push rod, and make the catch bar of rotation can accept, make the catch bar can be toward medial movement from non-rotary external force.When external force inwardly promotes described catch bar, oppositely promote described snap ring 323 respectively with contacted two summits of described snap ring, make described snap ring 323 on the Vertical direction of described parallel straight trough, move, thereby promote the reversing motion that described first drive plate 11, second drive plate 12 make to depart from described main drive shaft 32, and the distance that departs from described main drive shaft 32 equates, thereby plays the gear ratio that changes speed changer.
As shown in Figure 8, be the 3rd embodiment of the speed changer of band balance of the present invention, its drive plate assembly 10 comprises first drive plate 11, second drive plate 12 and the 3rd drive plate 14 that is eccentrically set on the main drive shaft, and the structure of these dials is identical with first embodiment.And, described first drive plate 11, second drive plate 12, the 3rd drive plate 14 to stir groove evenly spaced apart on circumference.The axis of described first drive plate 11 and second drive plate 12 and the parallel axes setting of described main drive shaft, and equidistantly be arranged on the axis both sides of described main drive shaft respectively, thereby it is eccentric to make that described first drive plate 11 and second drive plate 12 all produce with respect to described main drive shaft, and its eccentric direction is opposite, offset equates.Described the 3rd drive plate 14 is identical with first drive plate 11 with respect to the setting of the eccentric direction of described main drive shaft and offset.In the present embodiment, described first drive plate 11 equates with the quality of described the 3rd drive plate 14, and the quality sum of described first drive plate 11 and described the 3rd drive plate 14 equals the quality of described second drive plate 12, make moment equal and opposite in direction, the direction of resultant moment of force that win drive plate 11 and the 3rd drive plate 14 produce and 12 generations of described second drive plate opposite and act on the same point, thereby play the moment that makes the three produce and better to obtain balance, obtain better shock-proof effect.
In the present embodiment, state first drive plate 11, second drive plate 12, the 3rd drive plate 14 by Bearing Installation on eccentric structure, and be installed on the described main drive shaft by described eccentric structure cover.Described eccentric structure is three eccentric bushing 15 or capacity eccentric bearings, it comprises respectively and described first drive plate 11, second drive plate 12, the 3rd drive plate 14 first joint 151, second joint 152 and three joint 153 consistent with respect to the eccentric direction of described main drive shaft 31, thereby has guaranteed the offset and the eccentric direction of described drive plate and described main drive shaft.
As shown in Figure 9, be the 4th embodiment of the speed changer of band balance of the present invention, its drive plate assembly 10 can carry out step-less adjustment with the offset of main drive shaft, is stepless speed variator.Wherein, the structure of described first drive plate 11, second drive plate 12, the 3rd drive plate 14 is identical with a last embodiment.
In the present embodiment, described main drive shaft is a hollow shaft, and its position with respect to described first drive plate 11, second drive plate 12 and the 3rd drive plate 14 is provided with through hole; And described main drive shaft is respectively equipped with three the parallel straight troughs parallel with described through hole with respect to the both sides outer wall of described through hole, and positive and negative respectively compartment of terrain puts snap ring on described parallel straight trough.The structure of described snap ring is identical with second embodiment, and described first drive plate 11, second drive plate 12 and the 3rd drive plate 14 equally can be by Bearing Installation on described snap rings, and can only slide up and down on described parallel straight trough Vertical direction under the restriction of described snap ring.
Described drive plate assembly 10 also comprise be arranged in the described hollow shaft, and the extended described through hole eccentric driving device of described first drive plate 11 of forward and reverse promotion, second drive plate 12 and the 3rd drive plate 14 at interval respectively.In the present embodiment, described eccentric driving device comprises the push rod 52 of " M " type that is arranged on the activity in the described hollow shaft.Wherein, described push rod end points is fixed on an end of main drive shaft; Another corresponding end points is connected with extraneous catch bar; The corresponding lead to the hole site setting with described main drive shaft in its other three summits, and contact with described snap ring.In the outer end of described catch bar a thrust bearing can also be installed, thereby can prevent the reversing motion of described push rod, and make the catch bar of rotation can accept, make the catch bar can be toward medial movement from non-rotary external force.When external force inwardly promotes described catch bar, with the described snap ring contacted summit difference described snap ring of forward and reverse promotion at interval, make described snap ring on the Vertical direction of described parallel straight trough, move, thereby promote described first drive plate 11, second drive plate 12 and the 3rd drive plate 14 works depart from forward and reverse motion at the interval of described main drive shaft, be that described first drive plate 11 and the 3rd drive plate 14 move to the same direction that departs from described main drive shaft, described second drive plate 12 oppositely moves with respect to the described first and the 3rd drive plate 14, and equate in its distance that departs from described main drive shaft, thereby play the gear ratio that changes speed changer.
Claims (10)
1. speed changer with balance comprises slide block assembly, by clutch pinion assembly and main drive shaft that described slide block assembly drives, it is characterized in that, this speed changer also comprises by described main drive shaft and drives the eccentric driving assembly that rotates; Described eccentric driving assembly comprises first drive plate and second drive plate that is eccentrically set on the described main drive shaft, and described first drive plate, the axis of second drive plate and the parallel axes of main drive shaft; Described first drive plate and described second drive plate are opposite with respect to the eccentric direction of described main drive shaft, offset equates; Described first drive plate and second drive plate have respectively at least three described slide block assemblies of installing pillar, be provided with at interval stir groove.
2. the speed changer of band balance according to claim 1 is characterized in that, the quality of described first drive plate and second drive plate equates.
3. the speed changer of band balance according to claim 2 is characterized in that, described eccentric driving assembly also comprises by described main drive shaft drive eccentric structure that rotate, that supply described first drive plate and second drive plate to install; Described eccentric structure is eccentric bushing or capacity eccentric bearing; It comprises and coaxial first joint of described first drive plate and second joint coaxial with described second drive plate, and described first joint is identical with second drive plate with described first drive plate respectively with offset with respect to the eccentric direction of described main drive shaft with second joint; Described first drive plate and second drive plate respectively by Bearing Installation on first joint and second joint of described eccentric bushing, and by described eccentric bushing driven rotary.
4. the speed changer of band balance according to claim 2 is characterized in that, described main drive shaft is a hollow shaft, and its position with respect to described first, second drive plate is provided with through hole; Described drive plate assembly also comprise be arranged in the described hollow shaft, and extended described through hole oppositely promote the eccentric driving device of described first, second drive plate respectively.
5. the speed changer of band balance according to claim 4, it is characterized in that, described main drive shaft is respectively equipped with two the parallel straight troughs parallel with described through hole with respect to the both sides outer wall of described through hole, puts the opposite snap ring of direction on described parallel straight trough respectively; Described first, second drive plate respectively by Bearing Installation on described snap ring.
6. the speed changer of band balance according to claim 5 is characterized in that, described eccentric driving device comprises the parallelogram push rod that is arranged on the activity in the described hollow shaft; Wherein, a summit of described quadrilateral push rod is fixed on an end of described main drive shaft, and another corresponding summit is connected with external catch bar, and its two other summit roof pressure respectively promotes described two snap ring reversing motions.
7. the speed changer of band balance according to claim 1 is characterized in that, described drive plate assembly also comprises and is arranged on three drive plate of described second drive plate away from a side of described first drive plate; Described the 3rd drive plate is identical with the structure of described first drive plate, and described the 3rd drive plate is identical with described first drive plate with offset with respect to the eccentric direction of described main drive shaft; Described first, second, third drive plate to stir groove evenly spaced apart on circumference; Described first drive plate equates with the quality of described the 3rd drive plate, and the quality sum of described first drive plate and the 3rd drive plate equals the quality of described second drive plate.
8. the speed changer of band balance according to claim 7 is characterized in that, described first, second, third drive plate by Bearing Installation on eccentric structure; Described eccentric structure is three eccentric bushings or capacity eccentric bearing, and it comprises respectively and described first, second, third drive plate first joint, second joint and three joint consistent with respect to the eccentric direction of described main drive shaft; And described first, second, third joint and the coaxial setting of described first, second, third drive plate.
9. the speed changer of band balance according to claim 7 is characterized in that, described main drive shaft is a hollow shaft, and its position with respect to described first, second drive plate, the 3rd drive plate is provided with through hole; Described drive plate assembly also comprise be arranged in the described hollow shaft, and extended described through hole oppositely promote the eccentric driving device of described first, second, third drive plate respectively.
10. the speed changer of band balance according to claim 9 is characterized in that, described eccentric driving device comprises the push rod of " M " type that is arranged on the activity in the described hollow shaft; Wherein, described push rod end points is fixed on an end of main drive shaft; Another corresponding end points is connected with extraneous catch bar; Three summits correspondences that it is other and the lead to the hole site setting of described main drive shaft, and promote described snap ring forward and reverse outside moving at interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100354539A CN100406776C (en) | 2005-06-18 | 2005-06-18 | Transmission with balance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100354539A CN100406776C (en) | 2005-06-18 | 2005-06-18 | Transmission with balance device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1880802A CN1880802A (en) | 2006-12-20 |
| CN100406776C true CN100406776C (en) | 2008-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100354539A Expired - Fee Related CN100406776C (en) | 2005-06-18 | 2005-06-18 | Transmission with balance device |
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| Country | Link |
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| CN (1) | CN100406776C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068633A (en) * | 1992-07-24 | 1993-02-03 | 温松田 | Infinitely variable speed device of slide block eccentric type |
| CN2229578Y (en) * | 1995-11-07 | 1996-06-19 | 刘涛 | Gear booster stageless speed variator |
| JP2000179630A (en) * | 1998-12-14 | 2000-06-27 | Sumitomo Heavy Ind Ltd | Internally meshing planetary gear structure |
| US6220107B1 (en) * | 1998-10-21 | 2001-04-24 | Teijin Seiki Company, Limited | Eccentric orbiting type speed changing device |
| CN2429372Y (en) * | 2000-06-28 | 2001-05-09 | 石喆 | Eccentric stepless gearbox |
| US20020115518A1 (en) * | 1999-03-20 | 2002-08-22 | Willibald Strowik | Primary transmission for high rpm motors for auxiliary drive units |
-
2005
- 2005-06-18 CN CN2005100354539A patent/CN100406776C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068633A (en) * | 1992-07-24 | 1993-02-03 | 温松田 | Infinitely variable speed device of slide block eccentric type |
| CN2229578Y (en) * | 1995-11-07 | 1996-06-19 | 刘涛 | Gear booster stageless speed variator |
| US6220107B1 (en) * | 1998-10-21 | 2001-04-24 | Teijin Seiki Company, Limited | Eccentric orbiting type speed changing device |
| JP2000179630A (en) * | 1998-12-14 | 2000-06-27 | Sumitomo Heavy Ind Ltd | Internally meshing planetary gear structure |
| US20020115518A1 (en) * | 1999-03-20 | 2002-08-22 | Willibald Strowik | Primary transmission for high rpm motors for auxiliary drive units |
| CN2429372Y (en) * | 2000-06-28 | 2001-05-09 | 石喆 | Eccentric stepless gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1880802A (en) | 2006-12-20 |
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Granted publication date: 20080730 Termination date: 20120618 |