CN212055696U - Coaxial dual-input gearbox structure - Google Patents
Coaxial dual-input gearbox structure Download PDFInfo
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- CN212055696U CN212055696U CN201922477087.2U CN201922477087U CN212055696U CN 212055696 U CN212055696 U CN 212055696U CN 201922477087 U CN201922477087 U CN 201922477087U CN 212055696 U CN212055696 U CN 212055696U
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Abstract
The utility model provides a gearbox structure of coaxial dual input for the connection of two power supplies and derailleur is convenient reliable, makes the gearbox small, and ensures that power take off can not break off. 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, output six and keep off the tooth 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 6/7 fender synchronizer.
Description
Technical Field
The utility model relates to a technical field of gearbox structure specifically is coaxial dual input's gearbox structure.
Background
The existing gearbox structure needs to be provided with two input shafts in the gearbox when being connected with two power sources, so that the gearbox is large in size, the arrangement of a vehicle body is relatively complex, the design and the manufacturing cost of the vehicle body can be increased in the actual process, and when two powers are shifted, power interruption can be generated.
Disclosure of Invention
To the above problem, the utility model provides a gearbox structure of coaxial dual input for the connection of two power supplies and derailleur is convenient reliable, makes the gearbox small, and ensures that power take off can not break off.
Coaxial dual input's gearbox structure, its characterized in that: the double-input shaft comprises a second hollow input shaft and a first input shaft which are coaxially arranged, the first input shaft penetrates through a hollow inner cavity of the second hollow input shaft and is coaxially arranged, the input end of the second hollow input shaft is connected with an external second power source, the input end of the first input shaft is connected with an external first power source, the output end of the second hollow input shaft is fixedly sleeved with a second transmission gear, the output end of the first input shaft is arranged behind the second transmission gear and is sequentially sleeved with a coupling synchronizer and an output six-gear tooth, the output six-gear tooth is a first transmission gear, 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 6/7-gear synchronizer, and one side of the 6/7-gear synchronizer, far away from the output six-gear tooth, is provided with an output seven-gear tooth, the seven output gear teeth are sleeved at corresponding positions of the power output shaft, the power output shaft is further sequentially sleeved with two output gear teeth, four output gear teeth, one output gear teeth, a reverse output gear teeth, a third output gear teeth and a fifth output gear teeth, 2/4-gear synchronizers are arranged between the two output gear teeth and the four output gear teeth, 1/reverse gear synchronizer is arranged between the first output gear teeth and the reverse output gear teeth, 3/5-gear synchronizers are arranged between the three output gear teeth and the fifth output gear teeth, the seven output gear teeth are arranged on the second intermediate shaft, second intermediate shaft transmission teeth are arranged at positions of the second intermediate shaft corresponding to a second transmission gear, a first hollow intermediate shaft is further sleeved on the second intermediate shaft, a first intermediate shaft transmission tooth is sleeved on the first hollow intermediate shaft corresponding to the position of the sixth output gear teeth, and the axial direction of the first hollow intermediate shaft corresponds to the seven output gear teeth of the output shaft, The positions of the second output gear tooth and the fourth output gear tooth are respectively fixedly sleeved with corresponding gear transmission gears, the positions, protruding out of the axial area of the first hollow middle shaft, of the second middle shaft, corresponding to the first output gear tooth, the first output reverse gear tooth, the third output gear tooth and the fifth output gear tooth are respectively sleeved with corresponding gear transmission gears, and the first output reverse gear tooth is connected with the middle reverse gear tooth through idler teeth.
It is further characterized in that: 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 the first transmission gear of the first input shaft and the 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 the corresponding intermediate transmission gear and then transmitted to the output shaft under the synchronous meshing state of the first transmission gear (output six-gear tooth) and the second transmission gear by the coupling synchronizer, and the gear output is carried out by selecting the 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 and the transmission are conveniently and reliably connected, and power coupling output can be selected or respectively output and then coupled and output on the output shaft, so that the power output is not interrupted, and unpowered interrupted gear shifting is realized; the two power sources are connected with the speed changer conveniently and reliably, so that the size of the speed changing box is small, and the power output is not interrupted.
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 output shaft 1, the second hollow input shaft 2, the first input shaft 3, the second transmission gear 4, the coupling synchronizer 5, the output six-gear tooth 6, the 6/7-gear synchronizer 7, the output seven-gear tooth 8, the output two-gear tooth 9, the output four-gear tooth 10, the output one-gear tooth 11, the output reverse gear tooth 12, the output three-gear tooth 13, the output five-gear tooth 14, the 2/4-gear synchronizer 15, the 1/reverse gear synchronizer 16, the 3/5-gear synchronizer 17, the second intermediate shaft 18, the second intermediate shaft transmission tooth 19, the first hollow intermediate shaft 20, the first intermediate shaft transmission tooth 21, the middle reverse tooth 22, the idler tooth 23 and the connecting shaft sleeve 24.
Detailed Description
The coaxial dual-input gearbox structure is shown in figure 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 six-gear 6, the output six-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 6/7-gear synchronizer 7, one side, far away from the output six-gear 6, of the 6/7-, the seven output gear 8 is sleeved on the corresponding position of the power output shaft 1, the power output shaft 1 is further sequentially sleeved with two output gear 9, four output gear 10, one output gear 11, a reverse output gear 12, a third output gear 13 and a fifth output gear 14, 2/4-gear synchronizers 15 are arranged between the two output gear 9 and the four output gear 10, 1/reverse gear synchronizers 16 are arranged between the first output gear 11 and the reverse output gear 12, 3/5-gear synchronizers 17 are arranged between the third output gear 13 and the fifth output gear 14, the seven output gear further comprises a second intermediate shaft 18, the second intermediate shaft 18 is arranged in parallel with the first input shaft 3, a second intermediate shaft transmission gear 19 is arranged at the position of the second intermediate shaft 18 corresponding to the second transmission gear 4, a first hollow intermediate shaft 20 is further sleeved on the second intermediate shaft 18, a first intermediate shaft 21 is sleeved on the position of the first hollow intermediate shaft 20 corresponding to the sixth output gear 6, the axial direction of the first hollow intermediate shaft 20 is corresponding to the seven output gear teeth 8, the second output gear teeth 9 and the fourth output gear teeth 10 of the output shaft 1, the positions of the second hollow intermediate shaft 18 protruding out of the axial region of the first hollow intermediate shaft 20, which are corresponding to the first output gear teeth 11, the reverse output gear teeth 12, the third output gear teeth 13 and the fifth output gear teeth 14, are respectively sleeved with corresponding gear transmission gears, and the reverse output gear teeth 13 are connected with the middle reverse gear teeth 22 through idler teeth 23.
All gear transmission gears are fixedly sleeved at corresponding positions of the second intermediate shaft 18 or the first hollow intermediate shaft 20. The transmission shaft corresponding to the idler gear 21 is arranged in a triangular relationship with the output shaft 1 and the second intermediate shaft 17 for transmission convenience, and the illustration in the figure is only used for expressing the transmission relationship.
All gear output gears sleeved on the output shaft 1 are sleeved on the output shaft 1 through a connecting shaft sleeve 24, and coupling output of power during output is guaranteed.
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 not closed, the power outputs of the second power source and the first power source can be coupled, so that the transmission has no power interruption in the gear shifting process, for example, the first power source is connected into the second gear leftwards through the output six-gear tooth, 2/4-gear synchronizer, and the first power source transmits torque in the second gear; the second power source is engaged into a third gear leftwards through a normally meshed gear, an 3/5-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 2/4 gear synchronizer and is engaged into the fourth gear, the second power source always outputs power in the process, then the second power source deviates from the third gear and is engaged into the fifth gear, and the first power source always outputs power 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 is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 (3)
1. Coaxial dual input's gearbox structure, its 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 an output six-gear tooth, 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 6/7-gear synchronizer, one side of the 6/7-gear synchronizer, far away from the output six-gear tooth, is provided with an output seven-gear tooth, the seven output gear teeth are sleeved at corresponding positions of the power output shaft, the power output shaft is further sequentially sleeved with two output gear teeth, four output gear teeth, one output gear teeth, a reverse output gear teeth, a third output gear teeth and a fifth output gear teeth, 2/4-gear synchronizers are arranged between the two output gear teeth and the four output gear teeth, 1/reverse gear synchronizer is arranged between the first output gear teeth and the reverse output gear teeth, 3/5-gear synchronizers are arranged between the three output gear teeth and the fifth output gear teeth, the seven output gear teeth are arranged on the second intermediate shaft, second intermediate shaft transmission teeth are arranged at positions of the second intermediate shaft corresponding to a second transmission gear, a first hollow intermediate shaft is further sleeved on the second intermediate shaft, a first intermediate shaft transmission tooth is sleeved on the first hollow intermediate shaft corresponding to the position of the sixth output gear teeth, and the axial direction of the first hollow intermediate shaft corresponds to the seven output gear teeth of the output shaft, The positions of the second output gear tooth and the fourth output gear tooth are respectively fixedly sleeved with corresponding gear transmission gears, the positions, protruding out of the axial area of the first hollow middle shaft, of the second middle shaft, corresponding to the first output gear tooth, the first output reverse gear tooth, the third output gear tooth and the fifth output gear tooth are respectively sleeved with corresponding gear transmission gears, and the first output reverse gear tooth is connected with the middle reverse gear tooth through idler teeth.
2. The dual input coaxial transmission architecture of claim 1, wherein: all gear output gears sleeved on the output shaft are sleeved on the output shaft through connecting shaft sleeves.
3. The dual input coaxial transmission architecture of 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 |
|---|---|---|---|
| CN201922477087.2U CN212055696U (en) | 2019-12-31 | 2019-12-31 | Coaxial dual-input gearbox structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477087.2U CN212055696U (en) | 2019-12-31 | 2019-12-31 | Coaxial dual-input gearbox structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055696U true CN212055696U (en) | 2020-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477087.2U Active CN212055696U (en) | 2019-12-31 | 2019-12-31 | Coaxial dual-input gearbox structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055696U (en) |
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2019
- 2019-12-31 CN CN201922477087.2U patent/CN212055696U/en active Active
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