CN213270898U - Gearbox structure with auxiliary box - Google Patents

Abstract

The utility model provides a gearbox structure with auxiliary tank for the connection of two power supplies and derailleur is convenient reliable, ensures that power take off can not break off, and the power of output keeps off the position and increases, satisfies automobile-used demand. 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 behind the second transmission gear and is sequentially sleeved with a coupling synchronizer and an output A blocking tooth, the output A blocking tooth is the first transmission gear, and the output end of the first input shaft and the input end of the power output shaft are arranged at intervals.

Description

Gearbox structure with auxiliary box

Technical Field

The utility model relates to a technical field of gearbox power structure specifically is a gearbox structure with auxiliary tank.

Background

The output end of the existing gearbox structure is the gear output of 1-N gears, then power control is performed according to power performance, and the existing gearbox structure generally has a structure with a single input end and a single output end, along with the development of the automobile industry, the arrangement form of double gearboxes is gradually generated at present, and then a structure of outputting after double-power coupling is performed, or the input end of a single gearbox is coupled with power through a complex coupling mechanism and then connected into a single gearbox, the structure is complex, the connection of a power source and the gearbox is complex, the power output cannot be interrupted, and along with the increase of power output requirements, the existing gearbox which only has the gear output of 1-N gears cannot meet the automobile requirements.

Disclosure of Invention

To the above problem, the utility model provides a gearbox structure with auxiliary tank for the connection of two power supplies and derailleur is convenient and reliable, ensures that power take off can not break off, and the power of output keeps off the position and increases, satisfies automobile-used demand.

The utility model provides a gearbox structure with auxiliary tank which 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 A blocking tooth, the output A blocking 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 a first synchronizer, and one side of the first synchronizer, which is far away from the output A blocking tooth, is provided with an output B blocking tooth, the output B gear is sleeved at a corresponding position of the power output shaft, a plurality of groups of gear output structures are correspondingly sleeved on the power output shaft, each group of gear output structures comprises two gear output gears and corresponding synchronizer structures, each group of gear output structures selects the corresponding gear output gear to output power of the corresponding gear through the synchronizer structures, and the letters A, B are different natural numbers from 1 to N;

the transmission device is characterized by further comprising a second intermediate shaft, wherein second intermediate shaft transmission teeth are arranged at the position, corresponding to a second transmission gear, of the second intermediate shaft, a first hollow intermediate shaft is further sleeved on the second intermediate shaft, a first intermediate shaft transmission tooth is sleeved at the position, corresponding to the output A blocking tooth, of the first hollow intermediate shaft, corresponding to the position, corresponding to the gear output gear, of the power output shaft in the axial direction, corresponding intermediate transmission teeth are respectively fixedly sleeved at the positions, corresponding to the gear output gear, of the first hollow intermediate shaft, the other axial regions, located on the first hollow intermediate shaft, of the second intermediate shaft are respectively sleeved with corresponding intermediate transmission teeth, output H blocking teeth are fixedly sleeved at the position, close to the tail end, of the power output shaft, an auxiliary box output shaft is coaxially arranged at the tail end of the power output shaft, and H/L blocking synchronizers are sequentially arranged at the position, close to the output H blocking teeth, of, The output L blocking teeth are sleeved on the auxiliary box output shaft through meshing sleeves, parallel auxiliary box intermediate shafts are further arranged on one side of the auxiliary box output shaft, and corresponding middle H teeth and middle L teeth are sleeved on the positions, corresponding to the output H blocking teeth and the output L blocking teeth, of the auxiliary box intermediate shafts respectively.

It is further characterized in that: each gear output gear is independently arranged on the power output shaft, the output inverted gear is meshed with the middle steering gear, and the corresponding middle inverted gear is meshed with the middle steering gear and then is connected with the output inverted gear in a meshed mode;

when the output reverse gear and the output one-gear are integrated on the same output one-reverse gear, a reverse gear shaft is further arranged on the outer side of the corresponding first hollow middle shaft or second middle shaft of the output one-reverse gear, the reverse gear shaft is provided with reverse gear teeth and idler gear teeth, 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, the idler gear teeth are sleeved on the reverse gear shaft through a connecting sleeve and are meshed with one of the middle teeth, and one of the middle teeth is meshed with the other of the reverse gear teeth;

all gear output gears sleeved on the power output shaft are sleeved on the power output shaft through connecting sleeves;

preferably, the output end of the first input shaft is arranged at the rear of the second transmission gear, and is sequentially sleeved with a coupling synchronizer and an output four-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 2/4-gear synchronizer, one side of the 2/4-gear synchronizer far away from the output four-gear tooth is provided with an output two-gear tooth, the output two-gear tooth is sleeved at the corresponding position of the power output shaft, the power output shaft is further sequentially sleeved with an output three-gear tooth, an output one-gear tooth and an output reverse gear tooth, a 1/3-gear synchronizer is arranged between the output three-gear tooth and the output one-gear tooth, one side of the output reverse gear tooth is provided with a reverse gear synchronizer, the reverse gear synchronizer further comprises a second intermediate shaft, and the position of the second intermediate shaft corresponding to the second transmission gear is provided, the second intermediate shaft is further sleeved with a first hollow intermediate shaft, a position of the first hollow intermediate shaft, which corresponds to the output four-gear, is sleeved with a first intermediate shaft transmission gear, a position of the first hollow intermediate shaft, which axially corresponds to the output two-gear of the power output shaft, is fixedly sleeved with a corresponding middle transmission gear, and positions, which protrude out of an axial area of the first hollow intermediate shaft, which correspond to the output three-gear and the output one-gear, of the second intermediate shaft are respectively sleeved with corresponding middle transmission gears; the middle inverted tooth is connected with the output inverted tooth through a middle steering gear, and the middle inverted tooth is sleeved at the corresponding position of the second intermediate shaft;

all the middle transmission teeth 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 first power source is synchronously coupled and then output to the corresponding intermediate transmission gear and then transmitted to the power output shaft under the synchronous meshing state of the first transmission gear and the second transmission gear by the coupling synchronizer, the corresponding gear is selected for gear output, and finally the H gear or the L gear is selected by the H/L gear synchronizer to be combined with the gear output on the corresponding power output shaft, and the power output is completed by the auxiliary box output shaft; when the coupling synchronizer is in a disengaged state, a second power source is transmitted to the corresponding intermediate transmission gear through the second transmission gear, then transmitted to the power 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 power output shaft, so that the power output is not interrupted, and unpowered interrupted gear shifting is realized; meanwhile, as the auxiliary box output shaft is further arranged, the gear shifting from the H gear or the gear shifting from the L gear is selected according to the requirement, the output gear is doubled originally, the connection between the two power sources and the transmission is convenient and reliable, the power output is not interrupted, the output power gears are increased, and the vehicle requirement is met.

Drawings

FIG. 1 is a block diagram of a structural schematic of an embodiment of the present invention;

the names corresponding to the sequence numbers in the figure are as follows:

the transmission device comprises a power output shaft 1, a second hollow input shaft 2, a first input shaft 3, a second transmission gear 4, a coupling synchronizer 5, a second intermediate shaft 6, a second intermediate shaft transmission gear 7, a first hollow intermediate shaft 8, a first intermediate shaft transmission gear 9, an output H gear 10, an output L gear 11, an H/L gear synchronizer 12, an auxiliary box output shaft 13, a middle H gear 14, a middle L gear 15, a middle steering gear 16, a middle inverted gear 17, an output four gear 18, an 2/4 gear synchronizer 19, an output two gear 20, an output three gear 21, an output one gear 22, a inverted gear synchronizer 23, a 1/3 gear synchronizer 24, an output inverted gear 25, a connecting shaft sleeve 26 and an auxiliary box intermediate shaft 27.

Detailed Description

A transmission construction with a secondary box, see fig. 1: the double-input-shaft power output device comprises double input shafts and a power output shaft 1 which are coaxially arranged, wherein the double input shafts comprise 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 and is sequentially sleeved with a coupling synchronizer 5 and an output A blocking tooth, the output A blocking tooth 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 a first synchronizer, one side of the first synchronizer far away from the output A blocking tooth is provided with an output, the output B gear is sleeved at the corresponding position of the power output shaft, a plurality of groups of gear output structures are correspondingly sleeved on the power output shaft 1, each group of gear output structures comprises two gear output gears and corresponding synchronizer structures, and each group of gear output structures selects the corresponding gear output gear to output the power of the corresponding gear through the synchronizer structures;

the letters A, B are different natural numbers from 1 to N;

the transmission device further comprises a second intermediate shaft 6, second intermediate shaft transmission teeth 7 are arranged at positions of the second intermediate shaft 6 corresponding to second transmission gears, a first hollow intermediate shaft 8 is further sleeved on the second intermediate shaft 6, first intermediate shaft transmission teeth 9 are sleeved at positions of the first hollow intermediate shaft 8 corresponding to output A blocking teeth, corresponding intermediate transmission teeth are respectively fixedly sleeved at positions of the first hollow intermediate shaft 8 corresponding to corresponding gear output gears of the power output shaft 1 in the axial direction, corresponding intermediate transmission teeth are respectively sleeved at positions of the second intermediate shaft 6 in the other axial regions of the first hollow intermediate shaft 8 corresponding to the gear output gears, output H blocking teeth 10 are fixedly sleeved at positions of the power output shaft 1 close to the tail end, an auxiliary box output shaft 13 is coaxially arranged at the tail end of the power output shaft 1, and H/L blocking synchronizers 12 are sequentially arranged at positions of the auxiliary box output shaft 13 close to the output H blocking teeth 10, The output L-shaped blocking teeth 11 are sleeved on the auxiliary box output shaft 13 through meshing sleeves 27, parallel auxiliary box intermediate shafts 27 are further arranged on one side of the auxiliary box output shaft 13, and corresponding middle H teeth 14 and middle L teeth 15 are respectively sleeved on the positions, corresponding to the output H-shaped blocking teeth 10 and the output L-shaped blocking teeth 11, of the auxiliary box intermediate shafts 27.

Each gear output gear is independently arranged on the power output shaft 1, the output reverse gear 25 is meshed with the middle steering gear 16, and the corresponding middle reverse gear 17 is meshed with the middle steering gear 16 and then is meshed with the output reverse gear 25;

when the output reverse gear and the output one-gear are integrated on the same output one-reverse gear, an intermediate shaft is further arranged on the outer side of the corresponding first hollow intermediate shaft or second intermediate shaft of the output one-reverse gear, the intermediate shaft is provided with a reverse gear and an idler gear, a reverse gear synchronizer is arranged between the reverse gear and the idler gear, the reverse gear is fixedly sleeved on the intermediate shaft, the idler gear is sleeved on the intermediate shaft through a connecting sleeve and is meshed with one of the intermediate gears, and one of the intermediate gears is meshed with the output one-reverse gear;

all gear output gears sleeved on the power output shaft are sleeved on the power output shaft through connecting sleeves;

in the specific embodiment, the output end of the first input shaft 3 is arranged behind the second transmission gear, and is sequentially sleeved with the coupling synchronizer 5 and the output four-gear 18, the output four-gear 18 is the 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 the 2/4-gear synchronizer 19, one side of the 2/4-gear synchronizer 19, which is far away from the output four-gear 18, is provided with the output two-gear 20, the output two-gear 20 is sleeved at the corresponding position of the power output shaft 1, the power output shaft 1 is further sequentially sleeved with the output three-gear 21, the output one-gear 22 and the output reverse-gear 25, the output three-gear 21 and the output one-gear 22 are arranged with the 1/3-gear synchronizer 24, one side of the output reverse-gear 25 is provided with the reverse-gear synchronizer 23, and further comprises the second intermediate, a second intermediate shaft transmission gear 7 is arranged at the position of the second intermediate shaft 6 corresponding to the second transmission gear 4, a first hollow intermediate shaft 8 is further sleeved on the second intermediate shaft 6, a first intermediate shaft transmission gear 9 is sleeved at the position of the first hollow intermediate shaft 8 corresponding to the output fourth blocking gear 18, a corresponding middle transmission gear is fixedly sleeved at the position of the first hollow intermediate shaft 8 corresponding to the output second blocking gear 20 in the axial direction, and a corresponding middle transmission gear is respectively sleeved at the positions of the second intermediate shaft 6, which protrude out of the axial area of the first hollow intermediate shaft 8 and correspond to the output third blocking gear 21 and the output first blocking gear 22; the middle inverted tooth 17 is connected with an output inverted tooth 25 through a middle steering gear 16, and the middle inverted tooth 15 is sleeved at the corresponding position of the second intermediate shaft 6.

All gear output gears sleeved on the power output shaft 1 are sleeved on the power output shaft 1 through a connecting shaft sleeve 26, so that the coupling output of power during output is ensured;

all the middle transmission teeth are fixedly sleeved at the corresponding positions of the second intermediate shaft 6 or the first hollow intermediate shaft 8.

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 outputs of the second power source and the first power source are coupled at the power output shaft, so that the transmission has no power interruption in the gear shifting process, for example, the first power source is connected to the second gear right through the output four-gear tooth, the 2/4-gear synchronizer, and the first power source transmits torque in the second gear; the second power source is shifted into a first gear to the right through a normally meshed gear, 1/3 gear synchronizer, the second power source runs in the first gear, and the two powers are coupled on a power output shaft; during gear shifting, the first power source firstly disengages 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 disengages from the gear and is engaged into the third gear, and the first power source always outputs power in the process, so that unpowered interrupted gear shifting is realized; and finally, selecting the H gear or the L gear by the H/L gear synchronizer according to the actual requirement on the power, combining the gear output on the corresponding power output shaft and finishing the power output by the auxiliary box output shaft.

The gear arrangement of the specific embodiment is not limited to the sequential combination of the gears in the above specific embodiments.

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 (6)

1. The utility model provides a gearbox structure with auxiliary tank which 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 A blocking tooth, the output A blocking 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 a first synchronizer, and one side of the first synchronizer, which is far away from the output A blocking tooth, is provided with an output B blocking tooth, the output B gear is sleeved at a corresponding position of the power output shaft, a plurality of groups of gear output structures are correspondingly sleeved on the power output shaft, each group of gear output structures comprises two gear output gears and corresponding synchronizer structures, each group of gear output structures selects the corresponding gear output gear to output power of the corresponding gear through the synchronizer structures, and the letters A, B are different natural numbers from 1 to N;

the transmission device is characterized by further comprising a second intermediate shaft, wherein second intermediate shaft transmission teeth are arranged at the position, corresponding to a second transmission gear, of the second intermediate shaft, a first hollow intermediate shaft is further sleeved on the second intermediate shaft, a first intermediate shaft transmission tooth is sleeved at the position, corresponding to the output A blocking tooth, of the first hollow intermediate shaft, corresponding to the position, corresponding to the gear output gear, of the power output shaft in the axial direction, corresponding intermediate transmission teeth are respectively fixedly sleeved at the positions, corresponding to the gear output gear, of the first hollow intermediate shaft, the other axial regions, located on the first hollow intermediate shaft, of the second intermediate shaft are respectively sleeved with corresponding intermediate transmission teeth, output H blocking teeth are fixedly sleeved at the position, close to the tail end, of the power output shaft, an auxiliary box output shaft is coaxially arranged at the tail end of the power output shaft, and H/L blocking synchronizers are sequentially arranged at the position, close to the output H blocking teeth, of, The output L blocking teeth are sleeved on the auxiliary box output shaft through meshing sleeves, parallel auxiliary box intermediate shafts are further arranged on one side of the auxiliary box output shaft, and corresponding middle H teeth and middle L teeth are sleeved on the positions, corresponding to the output H blocking teeth and the output L blocking teeth, of the auxiliary box intermediate shafts respectively.

2. The transmission structure with the sub-tank according to claim 1, wherein: each gear output gear is independently arranged on the power output shaft, the output reverse gear is meshed with the middle steering gear, and the corresponding middle reverse gear is meshed with the middle steering gear and then is connected with the output reverse gear in a meshed mode.

3. The transmission structure with the sub-tank according to claim 1, wherein: when the output reverse gear and the output one-gear are integrated on the same output one-gear, a reverse gear shaft is further arranged on the outer side of the corresponding first hollow intermediate shaft or second intermediate shaft of the output one-gear, the reverse gear shaft is provided with reverse gear teeth and idler gear teeth, 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, the idler gear teeth are sleeved on the reverse gear shaft through a connecting sleeve and are meshed with one of the middle teeth, and the middle teeth are meshed with the output one-gear.

4. The transmission structure with the sub-tank according to claim 1, wherein: all gear output gears sleeved on the power output shaft are sleeved on the power output shaft through connecting sleeves.

5. The transmission structure with the sub-tank according to claim 1, wherein: the output end of the first input shaft is arranged behind the second transmission gear, a coupling synchronizer and an output four-gear are sequentially sleeved on the output end of the first input shaft, the input end of the power output shaft is provided with an 2/4-gear synchronizer, one side of the 2/4-gear synchronizer far away from the output four-gear is provided with an output two-gear, the output two-gear is sleeved on the corresponding position of the power output shaft, the power output shaft is further sequentially sleeved with an output three-gear, an output one-gear and an output reverse-gear, a 1/3-gear synchronizer is arranged between the output three-gear and the output one-gear, one side of the output reverse-gear is provided with a reverse-gear synchronizer, the position of the first hollow intermediate shaft corresponding to the output four-gear is sleeved with a first intermediate shaft transmission gear, and the position of the first hollow intermediate shaft in the axial direction corresponding to the output two-gear of the power output shaft is fixedly sleeved with a, the positions, protruding out of the axial area of the first hollow intermediate shaft, of the second intermediate shaft, corresponding to the three output gear teeth and the one output gear tooth are respectively sleeved with corresponding middle transmission teeth; the middle inverted tooth is connected with the output inverted tooth through a middle steering gear, and the middle inverted tooth is sleeved at the corresponding position of the second intermediate shaft.

6. The transmission structure with the sub-tank according to claim 5, wherein: all the middle transmission teeth are fixedly sleeved at corresponding positions of the second intermediate shaft or the first hollow intermediate shaft.

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