CN209638337U - Planet and dead axle compound variable speed mechanism - Google Patents
Planet and dead axle compound variable speed mechanism Download PDFInfo
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- CN209638337U CN209638337U CN201920204543.3U CN201920204543U CN209638337U CN 209638337 U CN209638337 U CN 209638337U CN 201920204543 U CN201920204543 U CN 201920204543U CN 209638337 U CN209638337 U CN 209638337U
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- gear
- planet
- variable
- planet row
- speed shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 150000001875 compounds Chemical class 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
This application discloses a kind of planets and dead axle compound variable speed mechanism, including the first variable-speed shaft and the second variable-speed shaft；First variable-speed shaft is equipped with the second gear that the first gear being fixedly connected is connected with by clutch, is correspondingly provided with the third gear and the 4th gear engaged by idle pulley with first gear and second gear on the second variable-speed shaft；It is equipped between third gear and the 4th gear by three concatenated epicyclic transmission mechanisms of planet row, is coaxially provided with three brakes in epicyclic transmission mechanism periphery；Third gear is connect with the first planet row sun gear, and is connect by clutch with the sun gear that the second planet row and third planet are arranged；The gear ring of third planet row is connect with the 4th gear, planet carrier and the second speed change axis connection；Difference by controlling described two clutches and three brakes combines and shift speed change is realized in separation combination.
Description
Technical field
The utility model belongs to crawler body transmission technical field, is related to a kind of planet and dead axle compound variable speed mechanism.
Background technique
Gear is the fundamental mechanism of gearbox, currently, most gearbox uses mainly has fixed shaft type speed change
Two class of mechanism and planetary gear.
Fixed shaft type gear structure is simple, is convenient for flexible arrangement, and each gear and clutch are both supported upon on axis, structure
Firm, the setting of clutch hydraulic pressure oil duct is convenient；But fixed shaft type gear is the engagement of gear single-point, in load transmission and fortune
In terms of turning ride comfort, especially high-speed overload application is not as good as planetary gear.
Planetary gear has many advantages, such as that transmitting torque is big, operating is smooth, at present by more and more extensive for each
On class vehicle and mechanical speed change gear, such as automobile, engineering machinery.However, planetary gear is specifically answered some
It still has several drawbacks that mainly axial dimension is relatively large with occasion comparison fixed shaft type gear, ought especially have multiple
When clutch requires to configure hydraulic oil duct from central axis, axial dimension is will be further increased in oil inlet set.
By taking crawler dozer as an example, being limited by width of the carbody, planetary transmission can only be longitudinally arranged along car body, and
Two sides are respectively driven again after bevel-gear sett carries out power commutation to be driven eventually.This is to the bevel gear that gear box output end is arranged in
Due to needing to bear the torque and revolving speed of each gear, transmitting torque is big, relative rotation speed is high, and transmission efficiency and ride comfort are low.And
If the planetary transmission can change to input terminal by gear box output end with the coaxial lateral arrangement of transmission, Bevel Gear Transmission eventually, then
Better performance can be obtained in the advantage of planet speed-change, effectively improves transmission efficiency and ride comfort.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of planet and dead axle compound variable speed
The characteristics of mechanism has axial dimension small, flexible arrangement.To achieve the above object, the utility model provides the following technical solutions:
A kind of planet and dead axle compound variable speed mechanism, including the first variable-speed shaft and the second variable-speed shaft are set on the first variable-speed shaft
There are first gear and second gear, first gear is fixed on the first variable-speed shaft, and second gear is become by bearing support first
On fast axis, second gear also realized by coaxial first clutch and the combination of the first variable-speed shaft with separate；Second variable-speed shaft
It is equipped with third gear and the 4th gear, third gear and the 4th gear pass through bearing support on the second variable-speed shaft, third
The first planet row, the second planet row and third planet row and corresponding first system are coaxially arranged between gear and the 4th gear
Dynamic device, second brake and third brake.
Optionally, the first sun gear of the first planet row is fixedly connected with third gear, and the second of the second planet row is too
Positive gear is fixedly connected with the third sun gear that third planet is arranged and by the combination of second clutch realization and third gear
And separation, the first planet carrier of the first planet row are fixedly connected with the second gear ring of the second planet row, the third of third planet row
Gear ring is fixedly connected with the second planet carrier of the second planet row and is fixedly connected with the 4th gear, the third planet of third planet row
Frame is fixedly connected with the second variable-speed shaft.
Optionally, the first brake is arranged in the periphery of the first planet row and implements to make to the first gear ring of the first planet row
Dynamic and separation, second brake are arranged in the periphery of the second planet row and implement braking to the second gear ring of the second planet row and divide
From third brake is arranged in the periphery of third planet row and implements braking and separation to the third gear ring of third planet row.
Optionally, be provided with the first idle pulley between first gear and third gear, the first idle pulley respectively with first gear and
The engagement of third gear；
Be provided with the second idle pulley between second gear and the 4th gear, the second idle pulley respectively with second gear and the 4th gear
Engagement.
Optionally, planet and dead axle compound variable speed mechanism further include first bevel gear, and first bevel gear is fixed on the first change
On fast axis, transmission turning is inputted and inputted for power.
Optionally, planet and dead axle compound variable speed mechanism further include second bevel gear, second bevel gear and first bevel gear
Transmission connection, the power of input is transferred on the first variable-speed shaft through first bevel gear.
Compared with prior art, the utility model has the beneficial effects that
The utility model will be in conventional planetary formula gear by the first variable-speed shaft of setting and the realization of the second variable-speed shaft
Part clutch and power input and transmission commutation are transferred on parallel axes, can reduce the axial ruler of planet speed change mechanism
It is very little, it is convenient for lateral arrangement.
The utility model is real by setting first gear and third gear, second gear and the transmission of the 4th gear two groups of teeth wheel
Existing power divides two-way to pass to planet speed change mechanism, reduces the working time of single pair transmission gear, is conducive to improve entire change
The service life of fast mechanism.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Utility model.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model
Embodiment, and be used to explain the principles of the present invention together with specification.
Fig. 1 is the planet provided in the application one embodiment and the axial cross-sectional views of dead axle compound variable speed mechanism；
Fig. 2 is the planet provided in the application one embodiment and the transmission principle figure of dead axle compound variable speed mechanism.
Wherein, appended drawing reference is as follows:
1, the first variable-speed shaft；2, the second variable-speed shaft；3, first gear；4, second gear；5, first clutch；6, third tooth
Wheel；7, the 4th gear；8, the first planet row；801, the first sun gear；802, first planet carrier；803, the first gear ring；9,
Two planet rows；901, secondary sun wheel；902, the second planet carrier；903, the second gear ring；10, third planet is arranged；1001, third
Sun gear；1002, third planet carrier；1003, third gear ring；11, the first brake；12, second brake；13, third system
Dynamic device；14, second clutch；15, the first idle pulley；16, the second idle pulley；17, first bevel gear；18, second bevel gear.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
The example of the consistent device and method of some aspects be described in detail in the appended claims, the utility model.
Fig. 1 is the planet provided in the application one embodiment and the axial cross-sectional views of dead axle compound variable speed mechanism,
Fig. 2 is the transmission principle figure provided in the application one embodiment, below with reference to Fig. 1 and Fig. 2 to planet provided by the present application with
Dead axle compound variable speed mechanism is explained.
Planet provided by the present application and dead axle compound variable speed mechanism at least may include: the first variable-speed shaft 1, the second variable-speed shaft
2, first gear 3, second gear 4, first clutch 5, third gear 6 and the 4th gear 7.The installation relation of above-mentioned each component is such as
Under:
First variable-speed shaft 1 is equipped with first gear 3 and second gear 4, and first gear 3 is fixed on the first variable-speed shaft 1, the
Two gears 4 through bearing support on the first variable-speed shaft 1, also realized and first by coaxial first clutch 5 by second gear 4
The combination of variable-speed shaft 1 with separate；Second variable-speed shaft 2 is equipped with third gear 6 and the 4th gear 7, third gear 6 and the 4th gear
7 by bearing support on the second variable-speed shaft 2.
In addition, being coaxially arranged with the first planet row 8, the second planet row 9 and third between third gear 6 and the 4th gear 7
Planet row 10 and corresponding first brake 11, second brake 12 and third brake 13.
In one possible implementation, the first sun gear 801 of the first planet row 8 and the fixed company of third gear 6
It connects, the secondary sun wheel 901 of the second planet row 9 is fixedly connected and passes through with the third sun gear 1001 of third planet row 10
Second clutch 14 realize and third gear 6 combination and separate, the first planet carrier 802 and the second planet of the first planet row 8
The second gear ring 903 of row 9 is fixedly connected, the third gear ring 1003 of third planet row 10 and the second planet carrier of the second planet row 9
902 are fixedly connected and are fixedly connected with the 4th gear 7, and the third planet carrier 1002 of third planet row 10 and the second variable-speed shaft 2 are solid
Fixed connection.
In order to realize the braking to the first planet row 8, the second planet row 9 and third planet row 10, the first brake 11 is set
It sets the periphery in the first planet row 8 and the first gear ring 803 to the first planet row 8 implements braking and separation, second brake 12
The periphery of second planet row 9 is set and braking and separation, third brake are implemented to the second gear ring 903 of the second planet row 9
13 are arranged in the periphery of third planet row 10 and implement braking and separation to the third gear ring 1003 of third planet row 10.
Optionally, can be set the first idle pulley 15 between first gear 3 and third gear 6, the first idle pulley 15 respectively with
First gear 3 and third gear 6 engage.
In addition, the second idle pulley 16 can be set between second gear 4 and the 4th gear 7, the second idle pulley 16 is respectively with
Two gears 4 and the engagement of the 4th gear 7.
In order to realize the input of external impetus, planet provided by the present application and dead axle compound variable speed mechanism can also include the
One bevel gear 17, first bevel gear 17 are fixed on the first variable-speed shaft 1, and transmission turning is inputted and inputted for power.
Optionally, planet provided by the present application and dead axle compound variable speed mechanism can also include second bevel gear 18, and second
Bevel gear 18 and first bevel gear 17 are sequentially connected, and the power of input is transferred on the first variable-speed shaft 1 through first bevel gear 17.
First clutch 5, second clutch 14, the first brake 11, second brake 12, third braking in the application
Device 13 is the known technology for the extensive utilization having disclosed, and clutch is to realize two rotary parts combinations and isolated dress
It sets, brake is to realize to brake a rotary part and isolated device, and clutch and brake are generally by clutch
The composition such as cylinder sleeve, piston, internal tooth casing, internal toothed friction plate, external tooth friction plate.
Planet provided by the present application and the working principle and process for using of dead axle compound variable speed mechanism are as follows:
When in use, power is inputted by second bevel gear 18 for planet provided by the present application and dead axle compound variable speed mechanism, warp
First bevel gear 17 is transmitted on the first variable-speed shaft 1, then, passes through first clutch 5, second clutch 14, the first brake
11, the different separation of second brake 12, third brake 13 and combination combination, realize different transmission ranges and pass power
It is delivered on the second variable-speed shaft 2, is exported from the second variable-speed shaft 2 to two sides, each gear clutch separates and combine situation with brake
Such as the following table 1.
Table 1
In conclusion planet provided by the present application and dead axle compound variable speed mechanism, by the way that the first variable-speed shaft and second is arranged
Variable-speed shaft realize by conventional planetary formula gear part clutch and power input with transmission commutation be transferred to it is parallel
On axis, the axial dimension of planet speed change mechanism can reduce, be convenient for lateral arrangement.
In addition, being realized by setting first gear and third gear, second gear and the transmission of the 4th gear two groups of teeth wheel dynamic
Power divides two-way to pass to planet speed change mechanism, reduces the working time of single pair transmission gear, is conducive to improve entire variable-speed motor
The service life of structure.
Those skilled in the art will readily occur to this after considering specification and practicing the utility model of utility model here
Other embodiments of utility model.This application is intended to cover any variations, uses, or adaptations of the utility model,
These variations, uses, or adaptations follow the general principle of the utility model and unpractical new including the utility model
The common knowledge or conventional techniques in the art of type.The description and examples are only to be considered as illustrative, this reality
It is indicated by the following claims with novel true scope and spirit.
It should be understood that the utility model is not limited to the accurate knot for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right
It asks to limit.
Claims (6)
1. a kind of planet and dead axle compound variable speed mechanism, which is characterized in that the planet and dead axle compound variable speed mechanism include the
One variable-speed shaft and the second variable-speed shaft, first variable-speed shaft are equipped with first gear and second gear, and the first gear is fixed
On first variable-speed shaft, the second gear is through bearing support on first variable-speed shaft, and the second gear is also
Realized by coaxial first clutch and the combination of first variable-speed shaft with separate；Second variable-speed shaft is equipped with third
Gear and the 4th gear, the third gear and the 4th gear pass through bearing support on second variable-speed shaft, institute
State be coaxially arranged between third gear and the 4th gear the first planet row, the second planet row and third planet row and it is right
The first brake, second brake and the third brake answered.
2. planet according to claim 1 and dead axle compound variable speed mechanism, which is characterized in that the of first planet row
One sun gear is fixedly connected with the third gear, and the secondary sun wheel of second planet row and the third planet are arranged
Third sun gear be fixedly connected and by second clutch realize and the third gear combination and separate, described first
The first planet carrier of planet row is fixedly connected with the second gear ring of second planet row, the third gear ring of the third planet row
It is fixedly connected with the second planet carrier of the second planet row and is fixedly connected with the 4th gear, the third of the third planet row
Planet carrier is fixedly connected with second variable-speed shaft.
3. planet according to claim 1 and dead axle compound variable speed mechanism, which is characterized in that the first brake setting
First planet row periphery and to the first gear ring of first planet row implement braking and separation, it is described second braking
Device is arranged in the periphery of second planet row and implements braking and separation to the second gear ring of second planet row, and described the
Three brakes are arranged in the periphery of the third planet row and implement braking and separation to the third gear ring of third planet row.
4. planet according to claim 1 and dead axle compound variable speed mechanism, which is characterized in that the first gear and described
The first idle pulley is provided between third gear, first idle pulley is engaged with the first gear and the third gear respectively；
Be provided with the second idle pulley between the second gear and the 4th gear, second idle pulley respectively with second tooth
Wheel and the 4th gear engagement.
5. planet according to any one of claims 1-4 and dead axle compound variable speed mechanism, which is characterized in that the planet with
Dead axle compound variable speed mechanism further includes first bevel gear, and the first bevel gear is fixed on first variable-speed shaft, for moving
Power input and input transmission turning.
6. planet according to claim 5 and dead axle compound variable speed mechanism, which is characterized in that the planet and dead axle are compound
Gear further includes second bevel gear, and the second bevel gear and the first bevel gear are sequentially connected, by the power of input
It is transferred on first variable-speed shaft through the first bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204543.3U CN209638337U (en) | 2019-02-15 | 2019-02-15 | Planet and dead axle compound variable speed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204543.3U CN209638337U (en) | 2019-02-15 | 2019-02-15 | Planet and dead axle compound variable speed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209638337U true CN209638337U (en) | 2019-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920204543.3U Expired - Fee Related CN209638337U (en) | 2019-02-15 | 2019-02-15 | Planet and dead axle compound variable speed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209638337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654180A (en) * | 2019-02-15 | 2019-04-19 | 络优集成科技(无锡)有限公司 | Planet and dead axle compound variable speed mechanism |
-
2019
- 2019-02-15 CN CN201920204543.3U patent/CN209638337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654180A (en) * | 2019-02-15 | 2019-04-19 | 络优集成科技(无锡)有限公司 | Planet and dead axle compound variable speed mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |