CN110953323A - Coaxial double-input nine-gear gearbox structure - Google Patents

Coaxial double-input nine-gear gearbox structure Download PDF

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Publication number
CN110953323A
CN110953323A CN201911409908.7A CN201911409908A CN110953323A CN 110953323 A CN110953323 A CN 110953323A CN 201911409908 A CN201911409908 A CN 201911409908A CN 110953323 A CN110953323 A CN 110953323A
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CN
China
Prior art keywords
output
gear
shaft
gear teeth
input
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.)
Withdrawn
Application number
CN201911409908.7A
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Chinese (zh)
Inventor
李磊
王康林
杨海华
杨富双
单培顺
刘诗道
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Lvkon Transmission S&T Co Ltd
Original Assignee
Suzhou Lvkon Transmission S&T Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Lvkon Transmission S&T Co Ltd filed Critical Suzhou Lvkon Transmission S&T Co Ltd
Priority to CN201911409908.7A priority Critical patent/CN110953323A/en
Publication of CN110953323A publication Critical patent/CN110953323A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • 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
    • 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
    • F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • F16H2003/007—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths with two flow paths, one being directly connected to the input, the other being connected to the input though a clutch
    • 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
    • F16H2003/0818—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 comprising means for power-shifting
    • 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
    • F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing

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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 nine-gear gearbox structure, which enables two power sources and a transmission to be 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, eight 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 6/8 fender synchronizer.

Description

Coaxial double-input nine-gear gearbox structure
Technical Field
The invention relates to the technical field of gearbox structures, in particular to a coaxial double-input nine-gear gearbox structure.
Background
The existing nine-gear gearbox structure is a structure input by a single power source, when two power sources are required to be connected, a power coupling structure needs to be arranged outside the gearbox, so that the whole double-power-input part is large in size, the arrangement of a vehicle body is relatively complex, the design and 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
In order to solve the problems, the invention provides a coaxial dual-input nine-gear gearbox structure, so that the connection between two power sources and a transmission is convenient and reliable, and the power output is not interrupted.
The utility model provides a coaxial dual input's nine grades of gearbox structures 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, 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 eight-gear, the output eight-gear 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 6/8-gear synchronizer, and one side of the 6/8-gear synchronizer, far away from the output eight-gear, is provided with an output six-gear, the six output gear teeth are sleeved at corresponding positions of the power output shaft, the four output gear teeth, the two output gear teeth, the seven output gear teeth, the five output gear teeth, the three output gear teeth, the one output gear teeth and the reverse output gear teeth are sequentially sleeved on the power output shaft, 2/4-gear synchronizers are arranged between the four output gear teeth and the two output gear teeth, 5/7-gear synchronizers are arranged between the seven output gear teeth and the five output gear teeth, 1/2-gear synchronizers are arranged between the three output gear teeth and the first output gear teeth, the reverse gear synchronizers are arranged on one side of the reverse output gear teeth, which faces to the first output gear teeth, the reverse gear synchronizers are arranged on one side of the reverse output gear teeth, the reverse gear synchronizers further comprise a second intermediate shaft, the second intermediate shaft is arranged in parallel to the output shaft, second intermediate shaft transmission teeth are arranged at positions of the second intermediate shaft, which correspond to the second transmission gear, and a first hollow intermediate shaft is further sleeved, the position of the first hollow intermediate shaft corresponding to the eight output gear teeth is sleeved with a first intermediate shaft transmission gear, the positions of the first hollow intermediate shaft in the axial direction corresponding to the six output gear teeth, the four output gear teeth and the two output gear teeth of the output shaft are respectively fixedly sleeved with corresponding gear transmission gears, the positions of the second intermediate shaft, which protrude out of the axial area of the first hollow intermediate shaft and correspond to the seven output gear teeth, the five output gear teeth, the three output gear teeth, the one output gear teeth and the reverse output gear teeth, are respectively sleeved with corresponding gear transmission gears, and the middle reverse gear teeth are connected with the reverse output gear teeth through idler teeth.
It is further characterized in that: the middle inverted teeth are sleeved at the tail end of the second intermediate shaft far away from the transmission teeth of the second intermediate shaft, and when the reverse gear is performed, power is transmitted to the output inverted teeth after being meshed with the idler teeth through the middle inverted teeth;
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, and under the synchronous meshing state of the first transmission gear and the second transmission gear, 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, and 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 eight-gear tooth 6, the 6/8-gear synchronizer 7, the output six-gear tooth 8, the output four-gear tooth 9, the output two-gear tooth 10, the output seven-gear tooth 11, the output five-gear tooth 12, the output three-gear tooth 13, the output one-gear tooth 14, the output reverse gear tooth 15, the 2/4-gear synchronizer 16, the 5/7-gear synchronizer 17, the 1/2-gear synchronizer 18, the reverse gear synchronizer 19, the second intermediate shaft 20, the second intermediate shaft transmission tooth 21, the first hollow intermediate shaft 22, the first intermediate shaft transmission tooth 23, the middle reverse gear tooth 24, the idler tooth 25, the connecting meshing sleeve 26 and the connecting shaft sleeve 26.
Detailed Description
A coaxial dual-input nine-gear 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 eight-gear 6, the output eight-gear 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 6/8-gear synchronizer 7, one side, far away from the output eight-gear 6, of the 6/8-, the six-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 four-output-gear 9, two-output-gear 10, seven-output-gear 11, five-output-gear 12, three-output-gear 13, one-output-gear 14 and one-output-reverse-gear 15, 2/4-gear synchronizers 16 are arranged between the four-output-gear 9 and the two-output- gear 10, 5/7-gear synchronizers 17 are arranged between the seven-output-gear 11 and the five-output-gear 12, 1/2-gear synchronizers 18 are arranged between the three-output-gear 13 and the one-output-gear 14, one side of the reverse-output-gear 15 facing the one-output-gear is provided with a reverse-gear synchronizer 19, the six-output-gear further comprises a second intermediate shaft 20, the second intermediate shaft 20 is arranged parallel to the output shaft 1, and a second intermediate shaft transmission gear 21 is arranged at a position of the second intermediate shaft 20 corresponding to, the second intermediate shaft 20 is further sleeved with a first hollow intermediate shaft 22, the first hollow intermediate shaft 22 is sleeved with a meshed first intermediate shaft transmission gear 23 at a position corresponding to the output eight-gear tooth 6, corresponding gear transmission gears are fixedly sleeved at positions corresponding to the output six-gear tooth 8, the output four-gear tooth 9 and the output two-gear tooth 10 of the output shaft 1 in the axial direction of the first hollow intermediate shaft 22 respectively, corresponding gear transmission gears are sleeved at positions corresponding to the output seven-gear tooth 11, the output five-gear tooth 12, the output three-gear tooth 13, the output one-gear tooth 14 and the output reverse gear tooth 15 of the second intermediate shaft 20 which protrude out of the axial region of the first hollow intermediate shaft 22 respectively, and the middle reverse gear tooth 24 is connected with the output reverse gear tooth 15 through an idler gear tooth 25. The transmission shaft corresponding to the idler gear 25 is arranged in a triangular relationship with the output shaft 1 and the second intermediate shaft 20, so that transmission is facilitated, and the illustration in the figure is only used for expressing the transmission relationship.
The middle inverted tooth 24 is sleeved at the tail end position of the second intermediate shaft 20 far away from the transmission tooth 21 of the second intermediate shaft, and when the reverse gear is performed, power is transmitted to the output inverted tooth 15 after being meshed with the idler tooth 25 through the middle inverted tooth 24;
all gear output gears sleeved on the output shaft 1 are sleeved on the output shaft 1 through a connecting shaft sleeve 26, 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 20 or the first hollow intermediate shaft 22.
In specific implementation, the synchronizer can be completely replaced by the meshing sleeve correspondingly.
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.
In specific work, when the coupling synchronizer is closed leftwards, the second power source and the first power source can be coupled together, 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 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 is connected to the left in a fourth gear through an output eight-gear, 2/4-gear synchronizer, and the first power source transmits torque in the fourth gear; the second power source is connected with the output shaft in a normally meshed mode, the third-fifth gear switching synchronizer is connected with the output shaft in a left-right mode, and the second power source is connected with the output shaft in a right-left mode; during gear shifting, the first power source firstly deviates from the 2/4 gear synchronizer and is engaged with the second gear, the first power source always outputs power in the process, then the second power source deviates from the fifth gear and is engaged with the third gear, and the second power source always outputs power in the process, so that unpowered interruption gear shifting is realized.
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 (4)

1. The utility model provides a coaxial dual input's nine grades of gearbox structures which 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 eight-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 6/8-gear synchronizer, one side of the 6/8-gear synchronizer, far away from the output eight-gear tooth, is provided with an output six-gear tooth, the six output gear teeth are sleeved at corresponding positions of the power output shaft, the four output gear teeth, the two output gear teeth, the seven output gear teeth, the five output gear teeth, the three output gear teeth, the one output gear teeth and the reverse output gear teeth are sequentially sleeved on the power output shaft, 2/4-gear synchronizers are arranged between the four output gear teeth and the two output gear teeth, 5/7-gear synchronizers are arranged between the seven output gear teeth and the five output gear teeth, 1/2-gear synchronizers are arranged between the three output gear teeth and the first output gear teeth, the reverse gear synchronizers are arranged on one side of the reverse output gear teeth, which faces to the first output gear teeth, the reverse gear synchronizers are arranged on one side of the reverse output gear teeth, the reverse gear synchronizers further comprise a second intermediate shaft, the second intermediate shaft is arranged in parallel to the output shaft, second intermediate shaft transmission teeth are arranged at positions of the second intermediate shaft, which correspond to the second transmission gear, and a first hollow intermediate shaft is further sleeved, the position of the first hollow intermediate shaft corresponding to the eight output gear teeth is sleeved with a first intermediate shaft transmission gear, the positions of the first hollow intermediate shaft in the axial direction corresponding to the six output gear teeth, the four output gear teeth and the two output gear teeth of the output shaft are respectively fixedly sleeved with corresponding gear transmission gears, the positions of the second intermediate shaft, which protrude out of the axial area of the first hollow intermediate shaft and correspond to the seven output gear teeth, the five output gear teeth, the three output gear teeth, the one output gear teeth and the reverse output gear teeth, are respectively sleeved with corresponding gear transmission gears, and the middle reverse gear teeth are connected with the reverse output gear teeth through idler teeth.
2. The coaxial dual-input nine-speed transmission structure according to claim 1, wherein: the middle inverted teeth are sleeved at the tail end of the second intermediate shaft far away from the transmission teeth of the second intermediate shaft.
3. The coaxial dual-input nine-speed 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.
4. The coaxial dual-input nine-speed 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.
CN201911409908.7A 2019-12-31 2019-12-31 Coaxial double-input nine-gear gearbox structure Withdrawn CN110953323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911409908.7A CN110953323A (en) 2019-12-31 2019-12-31 Coaxial double-input nine-gear gearbox structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911409908.7A CN110953323A (en) 2019-12-31 2019-12-31 Coaxial double-input nine-gear gearbox structure

Publications (1)

Publication Number Publication Date
CN110953323A true CN110953323A (en) 2020-04-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911409908.7A Withdrawn CN110953323A (en) 2019-12-31 2019-12-31 Coaxial double-input nine-gear gearbox structure

Country Status (1)

Country Link
CN (1) CN110953323A (en)

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Application publication date: 20200403