CN110925394A - Coaxial dual-input gearbox structure - Google Patents
Coaxial dual-input gearbox structure Download PDFInfo
- Publication number
- CN110925394A CN110925394A CN201911409878.XA CN201911409878A CN110925394A CN 110925394 A CN110925394 A CN 110925394A CN 201911409878 A CN201911409878 A CN 201911409878A CN 110925394 A CN110925394 A CN 110925394A
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- Prior art keywords
- output
- gear
- shaft
- input
- reverse gear
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention provides a coaxial double-input gearbox structure, which ensures that two power sources and a speed changer are conveniently and reliably connected and ensures that power output is not interrupted. It includes hollow input shaft of second and first input shaft, first input shaft runs through hollow inner chamber, the coaxial arrangement of the hollow input shaft of second, outside second power supply is connected to the input of the hollow input shaft of second, outside first power supply is connected to the input of first input shaft, the output of the hollow input shaft of second cover has second drive gear admittedly, and the output of first input shaft is rearmounted for second drive gear and is equipped with coupling synchronizer, five fender teeth of output in order, and the interval sets up between the output of first input shaft and the input of power output shaft, and power output shaft's input is provided with 4/5 fender synchronizer.
Description
Technical Field
The invention relates to the technical field of gearbox power structures, in particular to a coaxial dual-input gearbox structure.
Background
The existing gearbox structure is generally a structure with one input end and one output end, and with the development of new energy power and hybrid power technologies, in order to apply power to automobiles, an arrangement form of double gearboxes is gradually generated at present, and then the power is coupled and output, or the power is coupled at the input end of a single gearbox and then connected into a single gearbox through a complex coupling mechanism, so that the structure is complex. And the power source and the gearbox are connected in a complex way, so that the power output cannot be interrupted.
Disclosure of Invention
In order to solve the problems, the invention provides a coaxial dual-input gearbox structure, so that the connection between two power sources and a transmission is convenient and reliable, and the power output is not interrupted.
A coaxial dual-input gearbox structure is characterized in that: the double-input shaft comprises a second hollow input shaft and a first input shaft, the first input shaft penetrates through a hollow inner cavity of the second hollow input shaft and is coaxially arranged, an external second power source is connected with the input end of the second hollow input shaft, an external first power source is connected with the input end of the first input shaft, a second transmission gear is fixedly sleeved at the output end of the second hollow input shaft, the output end of the first input shaft is arranged at the rear position relative to the second transmission gear and is sequentially sleeved with a coupling synchronizer and five output blocking teeth, the output end of the first input shaft and the input end of the power output shaft are arranged at intervals, the input end of the power output shaft is provided with an 4/5 blocking synchronizer, one side of the 4/5 blocking synchronizer, far away from the five output blocking teeth, is provided with four output blocking teeth, the output four-gear sleeve is arranged at the corresponding position of the power output shaft, the power output shaft is further sequentially sleeved with an output two-gear tooth, an output six-gear tooth, an output three-gear tooth and an output reverse gear tooth, the output reverse gear tooth is integrated with a first-gear output gear and a reverse gear output gear, 2/6-gear synchronizers are arranged between the output two-gear tooth and the output six-gear tooth, 1/3/reverse gear synchronizers are arranged between the output three-gear tooth and the output reverse gear tooth, the output four-gear output, The positions of the output two gear teeth are respectively fixedly sleeved with corresponding gear transmission gears, and the positions, which protrude out of the axial area of the first hollow middle shaft and correspond to the output six gear teeth, the output three gear teeth and the output one reverse gear teeth, of the second middle shaft are respectively sleeved with corresponding gear transmission gears.
It is further characterized in that:
a reverse gear shaft is further arranged on the outer side of the second intermediate shaft corresponding to the output reverse gear, reverse gear teeth and idler gear teeth are arranged on the reverse gear shaft, a reverse gear synchronizer is arranged between the reverse gear teeth and the idler gear teeth, the reverse gear teeth are fixedly sleeved on the reverse gear shaft and meshed with gear transmission gears at corresponding positions, the idler gear teeth are sleeved on the reverse gear shaft through a connecting sleeve and meshed with one of the middle gears, and one of the middle gears is meshed with the other reverse gear to output one of the reverse gear;
the reverse gear teeth are fixedly sleeved on the reverse gear shaft and meshed with the middle two teeth, so that the transmission force is ensured to be as large as possible during reverse gear
When the reverse gear is carried out, the power input is stopped by the second power source, the coupling synchronizer is separated from the second transmission gear, the reverse gear synchronizer is connected with the idler gear, and the power is output by the first power source and then is transmitted to the output reverse gear through the middle two teeth, the reverse gear teeth, the idler gear teeth and the reverse transmission gear;
all gear output gears sleeved on the output shaft are sleeved on the output shaft through connecting shaft sleeves, so that the coupling output of power during output is ensured;
all gear transmission gears are fixedly sleeved at corresponding positions of the second intermediate shaft or the first hollow intermediate shaft.
After the technical scheme is adopted, the second power source and the first power source carry out power input coaxially, a coupling synchronizer is arranged between a first transmission gear (outputting five-gear teeth) of the first input shaft and a second transmission gear of the second hollow input shaft, the power of the second power source and the power of the first power source are synchronously coupled and then output to a corresponding middle transmission gear and then transmitted to an output shaft under the synchronous meshing state of the first transmission gear and the second transmission gear by the coupling synchronizer, and gear output is carried out by selecting a corresponding gear; when the coupling synchronizer is in a disengaged state, the second power source is transmitted to the corresponding intermediate transmission gear through the second transmission gear, then transmitted to the output shaft, and gear output is performed by selecting the corresponding gear; the two power sources are connected with the transmission conveniently and reliably, and power coupling output can be selected or respectively output and then coupled and output on the output shaft, so that power output is not interrupted, and unpowered interrupted gear shifting is realized.
Drawings
FIG. 1 is a block diagram schematically illustrating the structure of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the transmission device comprises an output shaft 1, a second hollow input shaft 2, a first input shaft 3, a second transmission gear 4, a coupling synchronizer 5, an output five-gear tooth 6, an 4/5-gear synchronizer 7, an output four-gear tooth 8, an output two-gear tooth 9, an output six-gear tooth 10, an output three-gear tooth 11, an output one-reverse gear tooth 12, a 2/6-gear synchronizer 13, 1/3/reverse gear synchronizer 14, a second intermediate shaft 15, a second intermediate shaft transmission tooth 16, a first hollow intermediate shaft 17, a first intermediate shaft transmission tooth 18, a reverse gear tooth 19, an idler tooth 20, a reverse gear synchronizer 21, a first intermediate tooth 22, a second intermediate tooth 23, a connecting shaft sleeve 24 and a reverse gear shaft 25.
Detailed Description
A coaxial dual input transmission architecture, see fig. 1: the double-input-shaft power output device comprises a double-input shaft and a power output shaft 1 which are coaxially arranged, wherein the double-input shaft comprises a second hollow input shaft 2 and a first input shaft 3, the first input shaft 3 penetrates through a hollow inner cavity of the second hollow input shaft 2 and is coaxially arranged, the input end of the second hollow input shaft 2 is connected with an external second power source, the input end of the first input shaft 3 is connected with an external first power source, the output end of the second hollow input shaft 2 is fixedly sleeved with a second transmission gear 4, the output end of the first input shaft 3 is arranged behind the second transmission gear 4 and is sequentially sleeved with a coupling synchronizer 5 and an output five-gear 6, the output five-gear 6 is a first transmission gear, the output end of the first input shaft 3 and the input end of the power output shaft 1 are arranged at intervals, the input end of the power output shaft 1 is provided with an 4/5-gear synchronizer 7, one side, far away from the output five-gear 6, of the 4/5-, the four-output-gear tooth 8 is sleeved at a corresponding position of the power output shaft 1, the power output shaft 1 is further sequentially sleeved with two-output-gear tooth 9, six-output-gear tooth 10, three-output-gear tooth 11 and one-output-gear-reversing tooth 12, the one-output-gear-reversing tooth 12 is integrated with a first-gear output gear and a reverse-gear output gear, 2/6-gear synchronizers 13 are arranged between the two-output-gear tooth 9 and the six-output-gear tooth 10, 1/3/reverse-gear synchronizers 14 are arranged between the three-output-gear tooth 11 and the one-output-gear-reversing tooth 12, the power output shaft further comprises a second intermediate shaft 15, a second intermediate shaft transmission tooth 16 is arranged at a position of the second intermediate shaft 15 corresponding to the second transmission gear 7, a first hollow intermediate shaft 17 is further sleeved on the second intermediate shaft 15, a first intermediate shaft transmission tooth 18 is sleeved at a position of the first hollow intermediate shaft 17 corresponding to the five-output-gear tooth 6, and the axial direction of the first, The positions of the second output gear 9 are respectively fixedly sleeved with corresponding gear transmission gears, and the positions of the second intermediate shaft 15, which protrude out of the axial area of the first hollow intermediate shaft 17 and correspond to the six output gear 10, the three output gear 11 and the one reverse gear 12, are respectively sleeved with corresponding gear output gears.
A reverse gear shaft 25 is further arranged on the outer side of the second intermediate shaft 15 corresponding to the output reverse gear 12, a reverse gear tooth 19 and an idler gear tooth 20 are arranged on the reverse gear shaft 25, a reverse gear synchronizer 21 is arranged between the reverse gear tooth 19 and the idler gear tooth 20, the reverse gear tooth 19 is fixedly sleeved on the reverse gear shaft 25 and meshed with a gear transmission gear at a corresponding position, the idler gear tooth 20 is sleeved on the reverse gear shaft 25 through a connecting sleeve and meshed with a middle gear 22, and the middle gear 22 is meshed with the output reverse gear 12;
the reverse gear teeth 19 are fixedly sleeved on the reverse gear shaft 25 and are meshed with the middle two teeth 23, so that the transmission force is ensured to be as large as possible during reverse gear;
when the reverse gear is carried out, the power input is stopped by the second power source, the coupling synchronizer is separated from the second transmission gear, the reverse gear synchronizer is connected with the idler gear, and the power is output by the first power source and then is transmitted to the output reverse gear through the middle two teeth, the reverse gear teeth, the idler gear teeth and the reverse transmission gear;
all gear output gears sleeved on the output shaft 1 are sleeved on the output shaft 1 through a connecting shaft sleeve 24, so that the coupling output of power during output is ensured;
all gear transmission gears are fixedly sleeved at corresponding positions of the second intermediate shaft 15 or the first hollow intermediate shaft 17.
In specific implementation, the synchronizer can be completely replaced by the meshing sleeve correspondingly.
In specific work, when the coupling synchronizer is closed leftwards, the second power source is coupled with the first power source, so that the first power source can realize transmission of all gears; when the coupling synchronizer is opened, the power output of the second power source and the power output of the first power source are coupled at the output shaft, so that the transmission has no power interruption in the gear shifting process, for example, the first power source outputs six-gear teeth, the second-fifth gear switching synchronizer is leftwards engaged into the second gear, and the first power source transmits torque at the second gear; the second power source is engaged into a third gear leftwards through a normally meshed gear, 1/3/reverse gear synchronizer, the second power source runs in the third gear, and the two powers are coupled on an output shaft; during gear shifting, the first power source firstly deviates from the second-fifth gear switching synchronizer, the fourth gear is hung, the second power source outputs power all the time in the process, then the second power source deviates from the gear again, the sixth gear is hung, and the first power source outputs power all the time in the process, so that unpowered interruption gear shifting is realized.
The arrangement of the gears in the specific embodiment is not limited to the specific implemented combination of the arrangement orders, and the arrangement orders of the gears are arranged according to the actual situation in the actual process.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A coaxial dual-input gearbox structure is characterized in that: the double-input shaft comprises a second hollow input shaft and a first input shaft, the first input shaft penetrates through a hollow inner cavity of the second hollow input shaft and is coaxially arranged, an external second power source is connected with the input end of the second hollow input shaft, an external first power source is connected with the input end of the first input shaft, a second transmission gear is fixedly sleeved at the output end of the second hollow input shaft, the output end of the first input shaft is arranged at the rear position relative to the second transmission gear and is sequentially sleeved with a coupling synchronizer and five output blocking teeth, the output end of the first input shaft and the input end of the power output shaft are arranged at intervals, the input end of the power output shaft is provided with an 4/5 blocking synchronizer, one side of the 4/5 blocking synchronizer, far away from the five output blocking teeth, is provided with four output blocking teeth, the output four-gear sleeve is arranged at the corresponding position of the power output shaft, the power output shaft is further sequentially sleeved with an output two-gear tooth, an output six-gear tooth, an output three-gear tooth and an output reverse gear tooth, the output reverse gear tooth is integrated with a first-gear output gear and a reverse gear output gear, 2/6-gear synchronizers are arranged between the output two-gear tooth and the output six-gear tooth, 1/3/reverse gear synchronizers are arranged between the output three-gear tooth and the output reverse gear tooth, the output four-gear output, The positions of the output two gear teeth are respectively fixedly sleeved with corresponding gear transmission gears, and the positions, which protrude out of the axial area of the first hollow middle shaft and correspond to the output six gear teeth, the output three gear teeth and the output one reverse gear teeth, of the second middle shaft are respectively sleeved with corresponding gear transmission gears.
2. The coaxial dual-input transmission structure according to claim 1, wherein: the reverse gear transmission mechanism is characterized in that a reverse gear shaft is further arranged on the outer side of the second intermediate shaft corresponding to the output reverse gear, reverse gear teeth and idler gear teeth are arranged on the reverse gear shaft, a reverse gear synchronizer is arranged between the reverse gear teeth and the idler gear teeth, the reverse gear teeth are fixedly sleeved on the reverse gear shaft and meshed with gear transmission gears at corresponding positions, the idler gear teeth are sleeved on the reverse gear shaft through a connecting sleeve and meshed with one of the middle gears, and one of the middle gears is meshed with the output reverse gear.
3. The coaxial dual-input transmission structure according to claim 2, wherein: the reverse gear teeth are fixedly sleeved on the reverse gear shaft and are meshed with the middle two teeth.
4. The coaxial dual-input transmission structure according to claim 1, wherein: all gear output gears sleeved on the output shaft are sleeved on the output shaft through connecting shaft sleeves.
5. The coaxial dual-input transmission structure according to claim 1, wherein: all gear transmission gears are fixedly sleeved at corresponding positions of the second intermediate shaft or the first hollow intermediate shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409878.XA CN110925394A (en) | 2019-12-31 | 2019-12-31 | Coaxial dual-input gearbox structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409878.XA CN110925394A (en) | 2019-12-31 | 2019-12-31 | Coaxial dual-input gearbox structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110925394A true CN110925394A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911409878.XA Withdrawn CN110925394A (en) | 2019-12-31 | 2019-12-31 | Coaxial dual-input gearbox structure |
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| CN (1) | CN110925394A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610661A (en) * | 2020-12-16 | 2021-04-06 | 苏州绿控传动科技股份有限公司 | Coaxial double-input double-intermediate-shaft gearbox structure |
-
2019
- 2019-12-31 CN CN201911409878.XA patent/CN110925394A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610661A (en) * | 2020-12-16 | 2021-04-06 | 苏州绿控传动科技股份有限公司 | Coaxial double-input double-intermediate-shaft gearbox structure |
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Application publication date: 20200327 |
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| WW01 | Invention patent application withdrawn after publication |