CN110094469A - It is a kind of to prevent one grade to collapse the wear-resistant gearbox designs of tooth with back gear - Google Patents
It is a kind of to prevent one grade to collapse the wear-resistant gearbox designs of tooth with back gear Download PDFInfo
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- CN110094469A CN110094469A CN201910475236.3A CN201910475236A CN110094469A CN 110094469 A CN110094469 A CN 110094469A CN 201910475236 A CN201910475236 A CN 201910475236A CN 110094469 A CN110094469 A CN 110094469A
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- driven
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- 230000007246 mechanism Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 10
- 206010037660 Pyrexia Diseases 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 208000004188 Tooth Wear Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012050 conventional carrier Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
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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
- F16H48/00—Differential gearings
- F16H48/12—Differential gearings without gears having orbital motion
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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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention, which provides, a kind of prevents one grade and back gear collapses the wear-resistant gearbox designs of tooth, including cabinet, input shaft is installed in cabinet, output shaft, first jackshaft, second jackshaft and back gear axis, input shaft and output shaft are coaxially disposed, first jackshaft and the second jackshaft are arranged in parallel with input shaft, gear pair is installed between first jackshaft and output shaft, often engagement driving gear is fixedly installed on input shaft, an often engagement driven gear is fixedly installed on first jackshaft and the second jackshaft respectively, one grade of driving gear is fixedly installed on first jackshaft and the second jackshaft respectively, first speed driven gear is rotatably equipped on output shaft, back gear axis is respectively equipped between first jackshaft and input shaft between the second jackshaft and input shaft, existing vehicle be can solve during starting and retroversion The technical issues of gear in gearbox is easy to wear or even spring tooth occurs.
Description
Technical field
The present invention relates to transmission for vehicles technical fields, and in particular to a kind of to prevent one grade to collapse the wear-resistant of tooth with back gear
Damage gearbox designs.
Background technique
Automotive transmission is the component for changing engine speed and torque according to the different driving conditions of automobile, can make vapour
Vehicle has suitable tractive force, acceleration and realizes reversing, while is maintained at engine under best work condition environment and working.
At present the widely used speed changer of vehicle be one grade be make for power to be transferred to output shaft by a shelves gear pair power is defeated
Out, when vehicle loading has heavier cargo, vehicle effect of one grade of driving gear to first speed driven gear during startup
Power is bigger, is easy abrasion to causing between gear, serious to there is also spring tooth to make the internal structure of speed changer go out
It now damages, causes higher maintenance cost.
Summary of the invention
Goal of the invention of the invention be to provide it is a kind of prevent one grade and back gear collapses the wear-resistant gearbox designs of tooth,
It is easy to wear or even the technology of spring tooth occurs ask to solve gear of the existing vehicle in one grade of starting and reversing process in gearbox
Topic.
In order to achieve the above objectives, the technical scheme adopted by the invention is that: it is a kind of to prevent one grade and back gear collapses tooth
Wear-resistant gearbox designs, including cabinet are equipped with input shaft, output shaft, the first jackshaft, synchronizer, axis in the cabinet
It holds and shift control mechanism, the input shaft and the output shaft is coaxially disposed, first jackshaft and the input shaft are flat
Row setting, is equipped with gear pair between the input shaft and first jackshaft, further includes the second jackshaft, the first reverse gear tooth
Wheel shaft and the second back gear axis, second jackshaft are arranged in parallel with the input shaft, first jackshaft and described
An often engagement driving gear is fixedly installed on second jackshaft respectively, be fixedly installed on the output shaft often engage it is driven
Gear, two normal engagement driving gears are meshed with the normal driven gear that engages respectively, first jackshaft and institute
It states and is fixedly installed with a first speed driven gear on the second jackshaft respectively, one grade of driving tooth is rotatably equipped on the input shaft
Wheel, two first speed driven gears are meshed with one grade of driving gear respectively, the first back gear axis and described
Second back gear axis is arranged in parallel with the input shaft respectively, is rotatably equipped with the first reverse gear on the first back gear axis
Gear is rotatably equipped with the second back gear on the second back gear axis, and first jackshaft is fixedly installed with first
Reverse gear driven gear is fixedly installed with the second reverse gear driven gear on second jackshaft, is rotatablely installed on the input shaft
There is reverse driving gear, first back gear is meshed with the reverse driving gear, first back gear and institute
It states first driven gear that reverses gear to be meshed, second back gear is meshed with the reverse driving gear, and described second falls
Shelves gear is meshed with described second driven gear that reverses gear.
As an improvement mode, the gear pair includes that intermediate gear is secondary, third gear is secondary and five shelves gear pairs,
The intermediate gear pair includes two grades of driving gears being rotatablely installed on the input shaft and is fixedly installed in described first
Between two grades of driven gears on axis, the third gear pair include the third speed drive gear being rotatablely installed on the input shaft and
The third gear driven gear being fixedly installed on first jackshaft, the five shelves gears pair include rotational installation in the input
Five grades of driving gears on axis and five grades of driven gears being fixedly installed on first jackshaft, in institute on the input shaft
It states often between engagement driven gear and two grades of driving gears, between the third speed drive gear and five grades of driving gears
And the synchronizer is separately installed between the reverse driving gear and one grade of driving gear.
As an improvement mode, the output end connected with differential of the output shaft, the differential mechanism include the first vertebra
Gear, reinforced shaft, the second vertebra gear, driving gear, driven gear and two-sided basin corner gear, the reinforced shaft and the output
Axis is arranged in parallel, and the first vertebra gear is fixed at the power output end of the output shaft, and the reinforced shaft is equipped with described
Second vertebra gear, the output shaft are equipped with driving gear, and the reinforced shaft is equipped with driven gear, the driving gear and institute
Driven gear is stated to be meshed, the two sides of the two-sided basin corner gear is respectively equipped with a basin angle tooth, two basin angle back of tooth to
Setting, the two-sided basin corner gear be set between the first vertebra gear and the second vertebra gear, the first vertebra gear with
The basin angle tooth of the two-sided basin corner gear one side is meshed, the second vertebra gear and the two-sided basin corner gear another side
Basin angle tooth be meshed.
As an improvement mode, further include revolving planet frame and planetary gear, the revolving planet frame and described double
Face basin corner gear is fixedly connected, and there are two the planetary gears for rotational installation on the revolving planet frame.
As an improvement mode, the output end connected with differential of the output shaft, the differential mechanism include the first spiral shell
Line axis, the second thread spindle, driving gear, driven gear and sun gear, the power output end of the output shaft are equipped with described
Driving gear, first thread spindle are arranged in parallel with second thread spindle, first thread spindle and second screw thread
The rear end of axis is separately installed with the driven gear, and two driven gears are meshed with the driving gear respectively,
The front of first thread spindle and second thread spindle is equipped with identical external screw thread, and the periphery of the sun gear is equipped with annular
Groove, along the internal screw thread to match with the external screw thread that is circumferentially with of the sun gear, the sun gear in the groove
Between first thread spindle and second thread spindle, the axis of first thread spindle and the sun gear is perpendicular
Setting, first thread spindle and the second thread spindle are located in the groove and are threadedly coupled with the sun gear.
As an improvement mode, further include revolving planet frame and planetary gear, the revolving planet frame and it is described too
Sun wheel is fixedly connected, and there are two the planetary gears for rotational installation on the revolving planet frame.
Due to the adoption of the above technical scheme, the invention has the following advantages:
The transmission internal of the application is set there are two jackshaft, the first speed driven gear on two jackshafts simultaneously with input
One grade of driving gear on axis is meshed, and in one grade of start-up course of vehicle, one grade between driving gear and first speed driven gear
The number of teeth being meshed increases one times, drives the active force between gear and driven gear to be averaged and is distributed on multiple teeth, because
This reduces active force suffered by each tooth, wears and generates heat between gear to reduce, effectively prevents spring tooth phenomenon
Occur, extends the service life of gearbox, reduce maintenance cost.
Due to further including the first back gear axis and the second back gear axis, the first back gear axis and described second
Back gear axis is arranged in parallel with the input shaft respectively, and the first reverse gear tooth is rotatably equipped on the first back gear axis
It takes turns, is rotatably equipped with the second back gear on the second back gear axis, first jackshaft is fixedly installed with first and falls
Shelves driven gear, is fixedly installed with the second reverse gear driven gear on second jackshaft, is rotatably equipped on the input shaft
Reverse driving gear, first back gear are meshed with the reverse driving gear, first back gear with it is described
First driven gear that reverses gear is meshed, and second back gear is meshed with the reverse driving gear, second reverse gear
Gear is meshed with described second driven gear that reverses gear, during vehicle gas is fallen back, reverse gear driving gear and back gear it
Between and the number of teeth number of teeth that is meshed between driven gear and reverse gear of reversing gear increase one times, driving gear and back gear it
Between active force be averaged and be distributed on multiple teeth, therefore reduce active force suffered by each tooth, thus reduce gear it
Between wear and fever, effectively prevent the generation of spring tooth phenomenon, extend the service life of gearbox, reduce maintenance cost.
Since the gear pair includes that intermediate gear is secondary, third gear is secondary and five shelves gear pairs, the intermediate gear pair
Including be rotatablely installed on the input shaft two grades of driving gears and be fixedly installed on first jackshaft two grades from
Moving gear, the third gear pair include the third speed drive gear being rotatablely installed on the input shaft and are fixedly installed in described
Third gear driven gear on first jackshaft, the five shelves gears pair include being rotatablely installed in five grades of actives on the input shaft
Gear and five grades of driven gears being fixedly installed on first jackshaft, in the normal engagement driven tooth on the input shaft
Between wheel and two grades of driving gears, between the third speed drive gear and five grades of driving gears and the reverse gear master
The synchronizer is separately installed between moving gear and one grade of driving gear, shift control mechanism driving synchronizer makes to input
Axis is in conjunction with the driving gear of different stalls to realize gear shift.
Due to the output end connected with differential of the output shaft, the differential mechanism includes the first vertebra gear, reinforced shaft, second
Vertebra gear, driving gear, driven gear and two-sided basin corner gear, the reinforced shaft is arranged in parallel with the output shaft, described
First vertebra gear is fixed at the power output end of the output shaft, and the front end of the reinforced shaft is equipped with the second vertebra gear,
The output shaft is equipped with driving gear, and the reinforced shaft is equipped with driven gear, the driving gear and the driven gear
It is meshed, the two sides of the two-sided basin corner gear is respectively equipped with a basin angle tooth, and two basin angle back of tooth are described double to setting
Face basin corner gear is set between the first vertebra gear and the second vertebra gear, the first vertebra gear and the two-sided basin angle
The basin angle tooth of gear one side is meshed, the basin angle tooth of the second vertebra gear and the two-sided basin corner gear another side
It is meshed, output shaft and reinforced shaft are arranged side by side, due to being equipped with meshing gear between output shaft and reinforced shaft, when output shaft rotates
When driving reinforced shaft concurrently rotate, the first vertebra gear being installed on output shaft and the second vertebra tooth being installed in reinforced shaft
Wheel drives two-sided basin corner gear to rotate simultaneously in two sides simultaneously, divides input shaft to the driving force of basin angle tooth equally and is fitted on front and back two
Side, impact force and activation force suffered by the basin angle tooth relative to conventional carrier reduce half, effectively reduce driving
Abrasion and fever between vertebra gear and basin angle tooth avoid vehicle during startup since driving bevel gear is to basin angle tooth
The generation of the excessive situation for causing spring tooth of impact force, extends the service life of basin angle toothing in differential mechanism, reduces user
It needs often to repair brought cost to speed changer.
Due to the output end connected with differential of the output shaft, the differential mechanism include the first thread spindle, the second thread spindle,
Driving gear, driven gear and sun gear, the power output end of the output shaft are equipped with the driving gear, and described first
Thread spindle is arranged in parallel with second thread spindle, and the rear end of first thread spindle and second thread spindle is separately installed with
One driven gear, two driven gears are meshed with the driving gear respectively, first thread spindle and institute
The front for stating the second thread spindle is equipped with external screw thread, and the periphery of the sun gear is equipped with the groove of annular, and the groove is interior along described
Sun gear is circumferentially with the internal screw thread to match with the external screw thread, and the sun gear is set to first thread spindle and described
Between second thread spindle, the perpendicular setting of axis of first thread spindle and the sun gear, first thread spindle and
Two thread spindles are located in the groove and are threadedly coupled with the sun gear, drive two thread spindle rotations by output shaft,
Two thread spindles drive sun gear to rotate simultaneously in sun gear two sides, and the power of output shaft passes to sun gear by thread spindle,
It can produce bigger torque relative to gear drive, to improve the driving power of engine, driving force passes through two spiral shells
Line axis passes to sun gear simultaneously, drives sun gear to can reduce gear sun gear and gear shaft junction by two thread spindles
Suffered active force, failure caused by avoiding because of sun gear excessive wear or fever.It is symmetrically disposed on the first of the two sides of sun gear
Thread spindle and the second thread spindle can cancel out each other the radial forces between two axis, make sun gear uniform force, operating is more
Steadily.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structure principle chart of the invention；
Fig. 2 is the differential design schematic diagram of the embodiment of the present invention one；
Fig. 3 is the structure chart of two differential mechanism of the embodiment of the present invention；
Fig. 4 is the construction profile of two differential mechanism of the embodiment of the present invention；
In figure, 1- input shaft, 2- output shaft, 21- first speed driven gear, 20- often engage driven gear, 24- often engages master
Moving gear, bis- grades of driven gears of 22-, 23- third gear driven gear, the first reverse gear of 251- driven gear, the second reverse gear of 252- are driven
Bis- grades of gear, five grades of driven gears of 26-, the first jackshaft of 3-, the second jackshaft of 30-, mono- grade of driving gear of 31-, 32- actives
Gear, tri- driving gear of 33-, 35- reverse driving gear, five grades of driving gears of 36-, the first reverse shaft of 4-, 41- first fall
Shelves gear, the second reverse shaft of 42-, the second back gear of 43-, 5- synchronizer, 6- bearing, 7- cabinet, 81- reinforced shaft, 82-
First vertebra gear, the second vertebra of 83- gear, 84- driving gear, 85- driven gear, the two-sided basin corner gear of 86-, 87- basin angle tooth,
89- revolving planet frame, 80- planetary gear, the first thread spindle of 92-, the second thread spindle of 93-, 95- driving gear, 96- driven tooth
Wheel, 97- sun gear, 98- revolving planet frame, 99- planetary gear.
Specific embodiment
Embodiment one
As shown in Figure 1, a kind of prevent one grade to collapse the wear-resistant gearbox designs of tooth, including cabinet 7, cabinet with back gear
Input shaft 1, output shaft 2, the first jackshaft 3, the second jackshaft 30, synchronizer 5, bearing 6 and shift control machine are installed in 7
Structure, input shaft 1, output shaft 2, the first jackshaft 3 and the second jackshaft 30 are rotatablely installed respectively in cabinet 7, input shaft 1 with
Output shaft 2 is coaxially disposed, and the first jackshaft 3 is arranged in parallel with input shaft 1, is equipped between input shaft 1 and the first jackshaft 3
Gear pair, gear pair include that intermediate gear is secondary, third gear is secondary and five shelves gear pairs, intermediate gear pair include rotational installation in
Two grades of driving gears 32 on input shaft 1 and two grades of driven gears 22 being fixedly installed on the first jackshaft 3, third gear pair
Including being rotatablely installed in the third speed drive gear 33 on input shaft 1 and the third gear driven tooth being fixedly installed on the first jackshaft 3
Wheel 23, five shelves gear pairs include five grades of driving gears 36 being rotatablely installed on input shaft 1 and are fixedly installed in the first jackshaft 3
On five grades of driven gears 26, on input shaft 1 in often between engagement driven gear 20 and two grades of driving gears 32, third gear driving tooth
It is separately installed between wheel 33 and five grades of driving gears 36 and between reverse driving gear 35 and one grade of driving gear 31 synchronous
Device 5, shift control mechanism driving synchronizer 5 make input shaft 1 in conjunction with the driving gear of different stalls to realize gear shift.
Second jackshaft 30 is arranged in parallel with input shaft 1, is fixedly mounted respectively on the first jackshaft 3 and the second jackshaft 30
There is an often engagement driving gear 24, often engagement driven gear 20, two normal engagement driving gears are fixedly installed on output shaft 2
24 respectively with often engage driven gear 20 and be meshed, be fixedly installed with one respectively on the first jackshaft 3 and the second jackshaft 30
First speed driven gear 21, is rotatably equipped with one grade of driving gear 31 on input shaft 1, two first speed driven gears 21 respectively with one grade
Driving gear 31 is meshed.
Preventing one grade to collapse the wear-resistant gearbox designs of tooth with back gear further includes that the first back gear axis 4 and second fall
Shelves gear axis 42, the first back gear axis 4 and the second back gear axis 42 are arranged in parallel with input shaft respectively, the first back gear
It is rotatably equipped with the first back gear 41 on axis 4, the second back gear 43 is rotatably equipped on the second back gear axis 42, the
One jackshaft is fixedly installed with the first reverse gear driven gear 251, and the second reverse gear driven gear is fixedly installed on the second jackshaft
252, reverse driving gear 35 is rotatably equipped on input shaft, the first back gear 41 is meshed with reverse driving gear 35, and
One back gear 41 is meshed with first driven gear 251 that reverses gear, and the second back gear 43 is meshed with reverse driving gear 35,
Second back gear 43 is meshed with second driven gear 252 that reverses gear.Vehicle gas fall back during, reverse gear driving gear with fall
Between shelves gear and the number of teeth number of teeth that is meshed between driven gear and reverse gear of reversing gear increases one times, driving gear with from
Active force between dynamic back gear, which is averaged, to be distributed on multiple teeth, therefore reduces active force suffered by each tooth, thus
It reduces and wears and generate heat between gear, effectively prevent the generation of spring tooth phenomenon, extend the service life of gearbox, reduce
Maintenance cost.
As shown in Fig. 2, the output end connected with differential of output shaft 2, differential mechanism include the first vertebra gear 82, reinforced shaft 81,
Second vertebra gear 83, driving gear 84, driven gear 85 and two-sided basin corner gear 86, reinforced shaft 81 is parallel with output shaft 2 to be set
It sets, the first vertebra gear 82 is fixed at the power output end of output shaft 2, and the front end of reinforced shaft 81 is equipped with the second vertebra gear 83, defeated
Shaft 2 is equipped with driving gear 84, and reinforced shaft 81 is equipped with driven gear 85, and driving gear 84 is meshed with driven gear 85,
The two sides of two-sided basin corner gear 86 is respectively equipped with a basin angle tooth, and two basin angle back of tooth are set to setting, two-sided basin corner gear 86
Between first vertebra gear 82 and the second vertebra gear 83, the first vertebra gear 82 and the basin angle tooth of two-sided 86 one side of basin corner gear are mutually nibbled
It closes, the second vertebra gear 83 is meshed with the basin angle tooth of two-sided 86 another side of basin corner gear, and output shaft 2 is set side by side with reinforced shaft 81
It sets, due to being equipped with meshing gear between output shaft 2 and reinforced shaft 81, drives reinforced shaft 81 concurrently when output shaft 2 rotates
Rotation, the first vertebra gear 82 being installed on output shaft 2 and the second vertebra gear 83 being installed in reinforced shaft 81 are simultaneously in two sides
It drives two-sided basin corner gear 86 to rotate simultaneously, divides input shaft 1 to the driving force of basin angle tooth equally and be fitted on front and rear sides, relative to biography
Impact force suffered by the basin angle tooth of system differential mechanism and activation force reduce half, effectively reduce driving vertebra gear and basin angle
Abrasion and fever between tooth avoid vehicle and make during startup since impact force of the driving bevel gear to basin angle tooth is excessive
At the generation of the situation of spring tooth, the service life of basin angle toothing in differential mechanism is extended, reducing user needs often to speed change
Device repairs brought cost.
The differential mechanism of the present embodiment further includes revolving planet frame 89 and planetary gear 80, revolving planet frame 89 and two-sided basin angle
Gear 86 is fixedly connected, and there are two planetary gears 80 for rotational installation on revolving planet frame 89.
Embodiment two
As shown in Figure 3 and Figure 4, the present embodiment and the structure of embodiment one are essentially identical, the difference is that, differential mechanism packet
Include the first thread spindle 923, the second thread spindle 93, driving gear 95, driven gear 96 and sun gear 97, the power of output shaft 2
Output end is equipped with driving gear 95, and the first thread spindle 92 is arranged in parallel with the second thread spindle 93, the first thread spindle 92 and second
The rear end of thread spindle 93 is separately installed with a driven gear 96, and two driven gears 96 are meshed with driving gear 95 respectively,
The front of first thread spindle 92 and the second thread spindle 93 is equipped with external screw thread, and the periphery of sun gear 97 is equipped with the groove of annular, groove
The interior internal screw thread to match with external screw thread that is circumferentially with along sun gear 97, sun gear 97 are set to the first thread spindle 92 and the second spiral shell
Between line axis 93, the perpendicular setting of axis of the first thread spindle 92 and sun gear 97, the first thread spindle 92 and the second thread spindle 93
It is located in groove and is threadedly coupled with sun gear 97, two thread spindle rotations are driven by output shaft 2, two thread spindles are in too
97 two sides of sun wheel drive sun gear 97 to rotate simultaneously, and the power of output shaft 2 passes to sun gear 97 by thread spindle, relative to tooth
Wheel transmission can produce bigger torque, to improve the driving power of engine, driving force passes through two thread spindles simultaneously
Sun gear 97 is passed to, drives sun gear 97 to can reduce the place in conjunction with gear shaft of gear sun gear 97 by two thread spindles
The active force received, failure caused by avoiding because of 97 excessive wear of sun gear or fever.It is symmetrically disposed on the of the two sides of sun gear 97
One thread spindle 92 and the second thread spindle 93 can cancel out each other the radial forces between two axis, make 97 uniform force of sun gear,
It operates more steady.
The differential mechanism of the present embodiment further includes revolving planet frame 98 and planetary gear 99, revolving planet frame 98 and sun gear 97
It is fixedly connected, there are two planetary gears 99 for rotational installation on revolving planet frame 98.
Claims (6)
1. a kind of prevent one grade to collapse the wear-resistant gearbox designs of tooth, including cabinet with back gear, it is equipped in the cabinet
Input shaft, output shaft, the first jackshaft, synchronizer, bearing and shift control mechanism, the input shaft and the output shaft are coaxial
Setting, first jackshaft are arranged in parallel with the input shaft, are equipped between the input shaft and first jackshaft
Gear pair, it is characterised in that:
Further include the second jackshaft, the first back gear axis and the second back gear axis, second jackshaft with it is described defeated
Enter axis to be arranged in parallel, is fixedly installed with an often engagement driving tooth on first jackshaft and second jackshaft respectively
It takes turns, often engagement driven gear, two normal engagement driving gears is fixedly installed on the output shaft and are often nibbled with described respectively
It closes driven gear to be meshed, is fixedly installed with one grade of driven tooth respectively on first jackshaft and second jackshaft
Wheel, is rotatably equipped with one grade of driving gear on the input shaft, two first speed driven gears respectively with one grade of active
Gear is meshed, and the first back gear axis and the second back gear axis are arranged in parallel with the input shaft respectively, institute
It states and is rotatably equipped with the first back gear on the first back gear axis, be rotatably equipped with second on the second back gear axis and fall
Shelves gear, first jackshaft are fixedly installed with the first reverse gear driven gear, and is fixedly installed on second jackshaft
Two reverse gear driven gears are rotatably equipped with reverse driving gear, first back gear and the reverse gear on the input shaft
Driving gear is meshed, and first back gear is meshed with described first driven gear that reverses gear, second back gear
It is meshed with the reverse driving gear, second back gear is meshed with described second driven gear that reverses gear.
2. preventing one grade to collapse the wear-resistant gearbox designs of tooth with back gear as described in claim 1, it is characterised in that: institute
Stating gear pair includes that intermediate gear is secondary, third gear is secondary and five shelves gear pairs, the intermediate gear pair include rotational installation in
Two grades of driving gears on the input shaft and two grades of driven gears being fixedly installed on first jackshaft, the third gear
Gear pair includes the third speed drive gear being rotatablely installed on the input shaft and is fixedly installed on first jackshaft
Third gear driven gear, the five shelves gears pair include five grades of driving gears being rotatablely installed on the input shaft and fixed installation
In on five grades of driven gears on first jackshaft, the input shaft in the normal engagement driven gear and two grades of masters
Between moving gear, between the third speed drive gear and five grades of driving gears and the reverse driving gear and described one
The synchronizer is separately installed between shelves driving gear.
3. preventing one grade to collapse the wear-resistant gearbox designs of tooth with back gear as claimed in claim 2, it is characterised in that: institute
The output end connected with differential of output shaft is stated, the differential mechanism includes the first vertebra gear, reinforced shaft, the second vertebra gear, driving tooth
Wheel, driven gear and two-sided basin corner gear, the reinforced shaft are arranged in parallel with the output shaft, and the first vertebra gear is fixed
Set on the power output end of the output shaft, the reinforced shaft is equipped with the second vertebra gear, and the output shaft is equipped with master
Moving gear, the reinforced shaft are equipped with driven gear, and the driving gear is meshed with the driven gear, the two-sided basin angle
The two sides of gear is respectively equipped with a basin angle tooth, and two basin angle back of tooth are set to described to setting, the two-sided basin corner gear
Between first vertebra gear and the second vertebra gear, the basin angle of the first vertebra gear and the two-sided basin corner gear one side
Tooth is meshed, and the second vertebra gear is meshed with the basin angle tooth of the two-sided basin corner gear another side.
4. preventing one grade to collapse the wear-resistant gearbox designs of tooth with back gear as claimed in claim 3, which is characterized in that also
Including revolving planet frame and planetary gear, the revolving planet frame is fixedly connected with the two-sided basin corner gear, the rotation row
There are two the planetary gears for rotational installation in carrier.
5. preventing one grade to collapse the wear-resistant gearbox designs of tooth with back gear as claimed in claim 4, it is characterised in that: institute
State the output end connected with differential of output shaft, the differential mechanism includes the first thread spindle, the second thread spindle, driving gear, driven
Gear and sun gear, the power output end of the output shaft are equipped with the driving gear, first thread spindle with it is described
Second thread spindle is arranged in parallel, the rear end of first thread spindle and second thread spindle be separately installed with one it is described driven
Gear, two driven gears are meshed with the driving gear respectively, first thread spindle and second thread spindle
Front be equipped with identical external screw thread, the periphery of the sun gear is equipped with the groove of annular, along the sun gear in the groove
Be circumferentially with the internal screw thread to match with the external screw thread, the sun gear is set to first thread spindle and second spiral shell
Between line axis, the perpendicular setting of axis of first thread spindle and the sun gear, first thread spindle and the second screw thread
Axis is located in the groove and is threadedly coupled with the sun gear.
6. preventing one grade to collapse the wear-resistant gearbox designs of tooth with back gear as claimed in claim 5, which is characterized in that also
Including revolving planet frame and planetary gear, the revolving planet frame is fixedly connected with the sun gear, on the revolving planet frame
There are two the planetary gears for rotational installation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475236.3A CN110094469A (en) | 2019-06-03 | 2019-06-03 | It is a kind of to prevent one grade to collapse the wear-resistant gearbox designs of tooth with back gear |
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| CN201910475236.3A CN110094469A (en) | 2019-06-03 | 2019-06-03 | It is a kind of to prevent one grade to collapse the wear-resistant gearbox designs of tooth with back gear |
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| CN110094469A true CN110094469A (en) | 2019-08-06 |
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| CN201910475236.3A Pending CN110094469A (en) | 2019-06-03 | 2019-06-03 | It is a kind of to prevent one grade to collapse the wear-resistant gearbox designs of tooth with back gear |
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| WO2004036089A1 (en) * | 2002-10-21 | 2004-04-29 | Kabushiki Kaisha Ondo Kousakusyo | Differential gear for vehicle |
| CN101055018A (en) * | 2007-04-23 | 2007-10-17 | 张春 | Main gear down device |
| CN203926633U (en) * | 2014-06-11 | 2014-11-05 | 杭州前进齿轮箱集团股份有限公司 | A kind of two intermediate shaft structure speed changers for mine vehicle |
| CN212028438U (en) * | 2019-06-03 | 2020-11-27 | 梁芳文 | Anti-wear gearbox structure for preventing tooth collapse of first gear and reverse gear |
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2019
- 2019-06-03 CN CN201910475236.3A patent/CN110094469A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036089A1 (en) * | 2002-10-21 | 2004-04-29 | Kabushiki Kaisha Ondo Kousakusyo | Differential gear for vehicle |
| CN101055018A (en) * | 2007-04-23 | 2007-10-17 | 张春 | Main gear down device |
| CN203926633U (en) * | 2014-06-11 | 2014-11-05 | 杭州前进齿轮箱集团股份有限公司 | A kind of two intermediate shaft structure speed changers for mine vehicle |
| CN212028438U (en) * | 2019-06-03 | 2020-11-27 | 梁芳文 | Anti-wear gearbox structure for preventing tooth collapse of first gear and reverse gear |
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Effective date of registration: 20221108 Address after: No. 1, South Lane 4, Xinjian Road, Sien Town, Huanjiang County, Hechi City, Guangxi Zhuang Autonomous Region, 547199 Applicant after: Guangxi Huanjiang Hangruo Automobile Technology Co.,Ltd. Address before: 547105 Room 202, unit 1, building 2, printing house, 199 Luoyang street, Huanjiang County, Hechi City, Guangxi Zhuang Autonomous Region Applicant before: Liang Fangwen |