CN2370222Y - Stepless speed changer with reversible output shaft turn - Google Patents
Stepless speed changer with reversible output shaft turn Download PDFInfo
- Publication number
- CN2370222Y CN2370222Y CN 99223321 CN99223321U CN2370222Y CN 2370222 Y CN2370222 Y CN 2370222Y CN 99223321 CN99223321 CN 99223321 CN 99223321 U CN99223321 U CN 99223321U CN 2370222 Y CN2370222 Y CN 2370222Y
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- gear
- output shaft
- driving mechanism
- output
- shaft
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Abstract
The utility model discloses a stepless speed changer with a reversible steering output shaft, which comprises a machine frame 15, an input shaft 2, an output shaft 13 and a friction transmission mechanism. The utility model is characterized in that the power input end of the friction transmission mechanism is connected with the input shaft 2 in a transmission way; the power input end of the input shaft 2 is connected with the power input end of a differential planet speed changing mechanism in a transmission way; the power input end of the differential planet speed changing mechanism is connected with the output shaft 13 in a transmission way. After the utility model is realized, compared with the prior art, the utility model has the advantages of large output torque and reversible steering of the output shaft.
Description
The utility model relates to a kind of stepless speed variator, exactly is that a kind of output shaft turns to reversible stepless speed variator.
At present, the stepless speed variator of people's use mainly is made up of frame, input shaft, output shaft, slip gear.Wherein, input shaft, output shaft are articulated on the frame, the power intake of slip gear and output terminal respectively with input shaft, output shaft transmission joint.The friction driving mechanism of existing more advanced stepless speed variator mainly contains two kinds, and a kind of is wheeled slip gear; Another kind is the disc type slip gear.The former is made of plural flywheel usually; The latter mainly is made up of driving and driven speed disk and the friction wheel and the wheel carrier thereof that are arranged between the two.The subject matter that this stepless speed variator in use exists is: 1, output torque is little; 2, output shaft turn to irreversible, so Applicable scope is narrower.
The purpose of this utility model is that output shaft turns to reversible stepless speed variator for people provide a kind of output torque big.
The purpose of this utility model is to realize like this, it comprises frame 15, input shaft 2, output shaft 13, friction driving mechanism, the power intake and input shaft 2 transmission joint of driving mechanism are characterized in rubbing, the power intake transmission joint of its clutch end and differential planetary gear, the clutch end of differential planetary gear and output shaft 13 transmission joint.
Above-mentioned friction mechanism is wheeled friction driving mechanism.
Above-mentioned friction driving mechanism is a disc type friction driving mechanism.
Above-mentioned differential planetary gear mainly is made up of output gear 11, sun gear 12, basic speed gear 14, wheel shaft 9, duplicate gear 10, input gear 23.Output gear 11 is fixed on the medial extremity of described output shaft 13; Sun gear 12 is articulated on the output shaft 13, and is positioned at output gear 11 outsides; Radix gear 14 is fixed on the described input shaft 2, and is meshed with sun gear; Two duplicate gears 10 are hinged on the sun gear medial extremity symmetrically by two axles 9; Input gear 23 connects firmly on the transition axis 7 that constitutes described friction driving mechanism output terminal; Input gear 23, output gear 11 are meshed with inside and outside end two gears of described duplicate gear respectively, and constitute described power input, the output terminal of this differential planetary gear respectively.
After the utility model is realized, because it is provided with the differential planetary gear between the clutch end of friction driving mechanism and its output shaft, so it compared with prior art has the following advantages: 1, can export bigger moment of torsion; 2, it is reversible output shaft to be turned to, thereby enlarges its Applicable scope.
Below in conjunction with accompanying drawing embodiment of the present utility model is done explanation in further detail.
Fig. 1 is first kind of structural representation of the utility model.
Fig. 2 is the friction driving mechanism speed-change process schematic representation among Fig. 1.
Fig. 3 is second kind of structural representation of the utility model.
Fig. 4 is friction wheel and the wheel carrier structure schematic representation thereof among Fig. 3.
Fig. 5 is the side direction view of Fig. 4.
Fig. 6 is a differential planetary gear side direction sketch of the present utility model.
As seen from the figure, the utility model mainly is made up of frame 15, input shaft 2, output shaft 13, the friction driving mechanism, the differential planetary gear that are arranged between input shaft, the output shaft.Wherein, input shaft 2, output shaft 13 all are articulated on the frame 15; Transmission joint between the power intake of friction driving mechanism and the input shaft 2, the power intake transmission joint of its clutch end and differential planetary gear; The clutch end of differential planetary gear and output shaft 13 transmission joint.
As shown in Figure 1, friction driving mechanism of the present utility model adopts wheeled friction driving mechanism.This mechanism is made up of two flywheels 1, drive pulley 3, v belt 4, rigger axle 25, pressure spring 26, driven pulley 6, v belt 5, the transition axis 7 that is articulated on the frame.Wherein each flywheel all is made up of two " dish " shapes, half wheel, and they are nested with on the spline cylindrical of speed governing wheel shaft 25 slidably by its spline endoporus; On the speed governing wheel shaft shaft part of two flywheel lateral parts, fixedly install pressure spring 26; The two end part of speed governing wheel shaft 25 are plugged on respectively in two guiding grooves of making on the frame, form between its junction plane to be slidingly matched, and stir the speed governing wheel shaft and can make it along illustrating upper and lower to moving back and forth; The drive pulley 3 that constitutes friction driving mechanism input end is fixedly connected on input shaft 2 of the present utility model, and it is by right side flywheel transmission joint among v belt 4 and the figure; One end of the transition axis 7 of formation friction driving mechanism clutch end is by connecting firmly left side flywheel 1 transmission joint among belt pulley 6, v belt 5 and the figure thereon; The power intake of its other end and differential planetary gear is promptly imported gear 23 and is connected; The speed regulation process of friction driving mechanism as shown in Figure 2, when speed governing wheel shaft 25 moved to limit position on by figure, transition axis 7 was obtained minimum speed; When the speed governing wheel shaft was displaced downwardly to limit position, transition axis 7 was obtained maximum speed; When speed governing wheel shaft 25 other between above-mentioned two limit positions determined the position, transition axis 7 was obtained between minimum and maximum speed other and is determined rotating speed.Above-mentioned this wheeled friction driving mechanism same as the prior art can also have other known structural type, is not repeated.
By Fig. 3, Fig. 4, Fig. 5 as can be known, friction driving mechanism of the present utility model can also be a disc type friction driving mechanism.It mainly by driving gear 17, driven gear 16, be articulated in joining shaft 18 on the frame, initiatively speed disk 19, friction wheel 20 and wheel carrier 21 thereof, driven speed disk 22, transition axis 7 are formed.Wherein, the gear 17 that constitutes this mechanism's power intake is fixed on the input shaft 2, and it passes through gear 16, joining shaft 18 and active speed disk 19 transmission joint; The transition axis 7 that constitutes the utility model clutch end is articulated on the frame, and the one end fixedly mounts driven speed disk 22, and the power intake of its other end and differential planetary gear is promptly imported gear 23 and linked; Friction wheel and wheel carrier thereof are set between the opposing side of driving and driven speed disk, friction wheel 20 is hinged in the wheel carrier 21 by bearing pin, wheel carrier is articulated on the frame 15 by its two ends semiaxis, and the cylindrical curved working face of friction wheel is amplexiformed mutually with driving and driven speed disk inside ball merohedry form working surface, at wheel carrier 21 1 end semiaxis ends fixed installation speed control rod 24.The rotation speed control rod can change the friction circular diameter between driving and driven speed disk working surface and the friction wheel working surface simultaneously, thereby reaches the purpose of speed governing.In the present embodiment, the quantity that is provided with of friction wheel and wheel carrier thereof is two, and it can be a plurality of certainly.When friction wheel and wheel carrier thereof quantity is set more than two the time, the speed control rod that is arranged on each wheel carrier should have synchronism in rotating speed regulation process, this can realize by common structure modes such as continuous motion stem are set.Above-mentioned this disc type friction driving mechanism also is a prior art, so be not repeated.
By Fig. 1, Fig. 2, Fig. 6 as can be known, differential planetary gear of the present utility model is made up of output gear 11, sun gear 12, radix gear 14, two wheel shafts 9, supporting wheel 8, two duplicate gears 10, input gears 23.Wherein, the output gear 11 that constitutes this mechanism's clutch end medial extremity that is fixed on output shaft 13 of the present utility model promptly illustrates on the left-hand end; Sun gear 12 is positioned at output gear 11 outsides and promptly illustrates the right side, and is articulated on the output shaft 13; Radix gear 14 is fixed on the input shaft 2, and is meshed with sun gear; Two wheel shafts 9 are fixed on the sun gear medial extremity symmetrically, promptly illustrate between left-hand end and the supporting wheel 8, and supporting wheel 8 is articulated on the above-mentioned transition axis 7; Two duplicate gears are hinged on respectively on the wheel shaft 9, and its outboard end promptly illustrates right-hand end two gears and is meshed with output gear 11; The input gear 23 that constitutes this mechanism's power intake is fixed on the above-mentioned transition axis 7, and with the medial extremity of duplicate gear 10, promptly illustrate left-hand end two gears and be meshed.
The structural type of above-mentioned differential planetary gear is not unique, for example, can also get involved tumbler gear etc.
By structure as can be known, certain at the input shaft rotating speed, under the certain condition of differential planetary gear speed ratio, when the rotating speed of transition axis 7 transfers to a certain determined value, the rotating speed that can make output shaft 13 of the present utility model is zero, if this rotating speed of transition axis 7 is called critical speed of rotation, so, when transition axis 7 was begun to quicken to rotate by critical speed of rotation, the rotating speed of output shaft 13 just can be turned to one by zero beginning and quicken to rotate; When transition axis 7 was reduced speed now rotation by critical speed of rotation, the rotating speed of output shaft 13 just can be turned to another by zero beginning and quicken to rotate.
Claims (4)
1, a kind of output shaft turns to reversible stepless speed variator, comprise frame (15), input shaft (2), output shaft (13), friction driving mechanism, the power intake and input shaft (2) transmission joint of driving mechanism is characterized in that rubbing, the power intake transmission joint of its clutch end and differential planetary gear, the clutch end of differential planetary gear and output shaft (13) transmission joint.
2, a kind of output shaft according to claim 1 turns to reversible stepless speed variator, it is characterized in that described friction driving mechanism is wheeled friction driving mechanism.
3, a kind of output shaft according to claim 1 turns to reversible stepless speed variator, it is characterized in that described friction driving mechanism is a disc type friction driving mechanism.
4, a kind of output shaft according to claim 1 turns to reversible stepless speed variator, it is characterized in that described differential planetary gear mainly is made up of output gear (11), sun gear (12), radix gear (14), wheel shaft (9), duplicate gear (10), input gear (23), output gear (11) is fixed on the medial extremity of described output shaft (13); Sun gear (12) is articulated on the output shaft (13), and is positioned at output gear (11) outside; Radix gear (14) is fixed on the described input shaft (2), and is meshed with sun gear; Two duplicate gears (10) are hinged on the sun gear medial extremity symmetrically by two axles (9); Input gear (23) connects firmly on the transition axis (7) that constitutes described friction driving mechanism output terminal; Input gear (23), output gear (11) are meshed with inside and outside end two gears of described duplicate gear respectively, and constitute described power input, the output terminal of this differential planetary gear respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99223321 CN2370222Y (en) | 1999-04-02 | 1999-04-02 | Stepless speed changer with reversible output shaft turn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99223321 CN2370222Y (en) | 1999-04-02 | 1999-04-02 | Stepless speed changer with reversible output shaft turn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2370222Y true CN2370222Y (en) | 2000-03-22 |
Family
ID=34013556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99223321 Expired - Fee Related CN2370222Y (en) | 1999-04-02 | 1999-04-02 | Stepless speed changer with reversible output shaft turn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2370222Y (en) |
-
1999
- 1999-04-02 CN CN 99223321 patent/CN2370222Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |