CN2268814Y - Differential stepless auto speed gear - Google Patents
Differential stepless auto speed gear Download PDFInfo
- Publication number
- CN2268814Y CN2268814Y CN 95241553 CN95241553U CN2268814Y CN 2268814 Y CN2268814 Y CN 2268814Y CN 95241553 CN95241553 CN 95241553 CN 95241553 U CN95241553 U CN 95241553U CN 2268814 Y CN2268814 Y CN 2268814Y
- Authority
- CN
- China
- Prior art keywords
- gear
- differential
- train
- wheel
- power train
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a differential stepless automatic speed changing device which relates to a stepless automatic mechanical speed changing device. A driven member of a disengaging mechanism of a differential gear transmission system is connected with a driving member of a combining mechanism of the differential gear transmission system through a straight shaft; another driven member of the disengaging mechanism of the differential gear transmission system is connected with an input member of a speed reducing mechanism; an output member of the speed reducing mechanism is connected with another driving member of the combining mechanism of the differential gear transmission system. The utility model can realize stepless automatic speed changing according to the size of load; the utility model can be used in the mechanical devices which needs speed changing, such as automobiles, motorcycles, machine tools, etc.
Description
The utility model relates to a kind of stepless automated mechanical transmission.
Mechanical speed change is one of device common in the machinery.The existing mechanical speed change gear is to adopt to change gear meshing position or employing torque converter and planetary pinion or adopt centrifugal automatic transimission to realize speed change.The disadvantage of these speed change gears be to use the life-span short, transmission efficiency is low, complex structure, user cost high and can not be with the variation of load stepless automatic transmission.
The purpose of this utility model provides a kind of simple in structure, long service life, transmission efficiency is high and can be with load variations the mechanical device of stepless automatic transmission.
The purpose of this utility model is achieved in that a driven member of differential gear power train decomposition mechanism connects with d-axis with a driving link of differential gear power train combination mechanism, another driven member that the differential gear power train is decomposed mechanism connects with the input component of a reducing gear, and the output member of reducing gear connects with another driving link of differential gear power train combination mechanism.The driving link that the differential gear power train is decomposed mechanism is the driving link of whole differential type infinitely variable speed device, and the driven member of differential gear power train combination mechanism is the output member of differential type infinitely variable speed device.The differential gear power train decomposes mechanism and differential gear power train combination mechanism adopts differential gear train or differential Oscillating Tooth Gear Reducer---differential mobile tooth and small tooth difference planet gear transmission.Speed input differential gear power train is decomposed mechanism, the differential gear power train is decomposed mechanism and is resolved into two-part speed according to the big young pathbreaker's input speed of load, two-part speed after this decomposes is slowed down by d-axis and reducing gear respectively, import differential gear power train combination mechanism again, differential gear power train combination mechanism synthesizes a speed with two-part speed, export by the output member of differential type infinitely variable speed device again, thereby finished whole stepless automatic transmission process.
Adopt such scheme, the utility model is simple in structure, speed change can realize stepless and automatic according to the load size, working life and transmission efficiency improve greatly than existing stepless speed changes devices, install and use the internal structure and the position that do not need to change existing mechanism, can be widely used in automobile, motorcycle, lathe etc. needs in the machinery of speed change, has very big popularizing value.
Accompanying drawing is an example structure schematic representation of the present utility model.
Among the figure, 10, driving shaft; 11, active center wheel; 12, planet wheel; 13, driven central gear; 14, planet wheel; 15, the axle of planet wheel (12), (14); 16, tie-rod d-axis; 20, output shaft; 21, active center wheel; 22, planet wheel; 23, active center wheel; 24, planet wheel; 25, the axle of planet wheel (22), (24); 31, the first run; 32, ratio wheel; 33, ratio wheel; 34, idle wheel; 35, end wheel; 41, single direction ratchet; 42, ratchet.
Below in conjunction with description of drawings embodiment of the present utility model:
Differential gear power train is in the present embodiment decomposed mechanism and differential gear power train combination mechanism all adopts differential gear train, and the gear in this train all adopts straight bevel gear.Reducing gear adopts the fixed shaft gear train reducing gear.Active center wheel (11) can rotate with driving shaft (10), planet wheel (12), (14) can be rotated around axle (15), axle (15) can rotate with tie-rod d-axis (16), the power of planet wheel (12), (14) is by tie-rod d-axis (16) output, and driven central gear (13) can rotate around tie-rod d-axis (16).Single direction ratchet (41) can be rotated with tie-rod d-axis (16), and tie-rod d-axis (16) also is the axle of active center wheel (21), and active center wheel (21) can rotate with tie-rod d-axis (16).Planet wheel (22), (24) can be rotated around axle (25), and axle (25) can rotate with output shaft (20), and output shaft (20) is the pto of planet wheel (22), (24).Active center wheel (23) can rotate around output shaft (20), and driving shaft (10), tie-rod d-axis (16), output shaft (20) are point-blank.The first run of fixed shaft gear train reducing gear (31) connects firmly with driven central gear (13), and the first run (31) can be rotated around tie-rod d-axis (16), and ratio wheel (32), (33) can be rotated with axle (36), and idle wheel (34) can rotate with axle (37).Active center wheel (23) connects firmly with end wheel (35).End wheel (35) can rotate around output shaft (20).The first run (31), ratio wheel (32), ratio wheel (33), idle wheel (34), end wheel (35) are the identical standard cylindrical gear of straight tooth of modulus.The number of teeth of ratio wheel (32) and end wheel (35) all is far longer than the number of teeth of the first run (31), ratio wheel (33), idle wheel (34).Active center wheel (11), planet wheel (12), driven central gear (13), planet wheel (14), active center wheel (21), planet wheel (22), active center wheel (23), planet wheel (24) are that modulus is identical, the number of teeth is identical and reference cone angle is 45 ° a standard straight bevel gear.
When output shaft (20) was non-loaded, driven central gear (13) was static, and the first run (31), ratio wheel (32), ratio wheel (33), idle wheel (34), end wheel (35) are also simultaneously static.Power is by driving shaft (10) input, and active center wheel (11) rotates with driving shaft (10).Active center wheel (11) forces tie-rod d-axis (16) to rotate, and with driving shaft (10) in the same way, active center wheel (21) rotates with tie-rod d-axis (16), active center wheel (21) forces output shaft (20) to rotate, the angular velocity of output shaft (20) is 1/4 of driving shaft (10), is maximum value.
When output shaft (20) when load is arranged, active center wheel (11) rotates with driving shaft (10), according to the load size, active center wheel (11) forces driven central gear (13) and tie-rod d-axis (16) to rotate, tie-rod d-axis (16) and driving shaft (10) are in the same way, driven central gear (13) is reverse with driving shaft (10), tie-rod d-axis (16) drives active center wheel (21) and rotates, sense of rotation and driving shaft (10) are in the same way, the speed of driven central gear (13) is by the first run (31), ratio wheel (32), ratio wheel (33), idle wheel (34), the gearing down of end wheel (35), active center wheel (23) is rotated, the angular velocity of active center wheel (23) is far smaller than the angular velocity of driven central gear (13), and the sense of rotation of active center wheel (23) and driving shaft (10) are in the same way.Force output shaft (20) to rotate with driving shaft (10) active center wheel (21), (23) in the same way, the angular velocity of output shaft (20) is less than 1/4 of the angular velocity of driving shaft (10).
When the load of output shaft (20) is very big, tie-rod d-axis (16), active center wheel (21) is static, active center wheel (11) forces driven central gear (13) to rotate, the speed of driven central gear (13) is by the first run (31), ratio wheel (32), ratio wheel (33), idle wheel (34), the gearing down of end wheel (35), active center wheel (23) is rotated, sense of rotation and driving shaft (10) are in the same way, because of single direction ratchet (41) is arranged on the tie-rod d-axis (16), ratchet (42) can not be made and the reverse rotation of driving shaft (10) tie-rod d-axis (16), active center wheel (23) forces output shaft (20) to rotate, and the angular velocity of output shaft this moment (20) is minimum value.
Claims (3)
1, a kind of differential type infinitely variable speed device is characterized in that: the driven member that the differential gear power train is decomposed mechanism connects with d-axis with a driving link of differential gear power train combination mechanism; Another driven member that the differential gear power train is decomposed mechanism connects with the input component of a reducing gear, and the output member of reducing gear connects with another driving link of differential gear power train combination mechanism.
2, differential type infinitely variable speed device according to claim 1 is characterized in that: the differential gear power train is decomposed mechanism and differential gear power train combination mechanism all adopts differential gear train, and reducing gear adopts the fixed shaft gear train reducing gear; The tie-rod d-axis that differential gear train decomposes mechanism connects with the active center wheel of differential gear train combination mechanism, one is fixed on the tie-rod d-axis with the coaxial single direction ratchet of tie-rod d-axis, differential gear train decomposes the driven central gear of mechanism and the first run of fixed shaft gear train reducing gear connects firmly, and the end wheel of fixed shaft gear train reducing gear connects firmly with another active center wheel of differential gear train combination mechanism.
3, differential type infinitely variable speed device according to claim 1, it is characterized in that: the differential gear power train is decomposed mechanism and differential gear power train combination mechanism all adopts differential Oscillating Tooth Gear Reducer---the transmission of differential mobile tooth and small tooth difference planet gear, and reducing gear adopts the planetary gear train reducing gear; The oscillating tooth gear that differential Oscillating Tooth Gear Reducer is decomposed mechanism connects with d-axis with the oscillating tooth gear of differential Oscillating Tooth Gear Reducer combination mechanism, differential Oscillating Tooth Gear Reducer is decomposed the central gear of mechanism and the on-fixed central gear of planetary gear train reducing gear connects firmly, and the central gear of the tie-rod of planetary gear train reducing gear and differential Oscillating Tooth Gear Reducer combination mechanism connects firmly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95241553 CN2268814Y (en) | 1995-05-04 | 1995-05-04 | Differential stepless auto speed gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95241553 CN2268814Y (en) | 1995-05-04 | 1995-05-04 | Differential stepless auto speed gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2268814Y true CN2268814Y (en) | 1997-11-26 |
Family
ID=33882697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95241553 Expired - Fee Related CN2268814Y (en) | 1995-05-04 | 1995-05-04 | Differential stepless auto speed gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2268814Y (en) |
-
1995
- 1995-05-04 CN CN 95241553 patent/CN2268814Y/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 |