CN103697121B - A kind of engineering mechanical device many gears speed reduction gearing - Google Patents
A kind of engineering mechanical device many gears speed reduction gearing Download PDFInfo
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- CN103697121B CN103697121B CN201310703904.6A CN201310703904A CN103697121B CN 103697121 B CN103697121 B CN 103697121B CN 201310703904 A CN201310703904 A CN 201310703904A CN 103697121 B CN103697121 B CN 103697121B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005641 tunneling 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
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
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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
- F16H3/62—Gearings having three or more central gears
- F16H3/64—Gearings having three or more central gears composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2012—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of engineering mechanical device many gears speed reduction gearing, including the decelerator being provided with power input shaft and outfan, also include the third gear planetary transmission being in series with decelerator, this third gear planetary transmission includes being connected with high-gear clutch, middle-grade sun gear and the power input shaft of low-grade sun gear, middle-grade sun gear outer cover is connected to middle-grade gear ring, and middle-grade gear ring is connected with high-gear clutch and outer wall is provided with middle-grade brake；Low-grade sun gear outer cover is connected to low-grade gear ring, low-grade gear ring outer wall is provided with low-grade brake, being connected by middle-grade planet carrier between middle-grade gear ring with low-grade gear ring, be provided with low-grade planet carrier in low-grade gear ring, low-grade planet carrier outfan is connected with the input of described decelerator.This device realizes high, medium and low three gear speed reducing ratio by third gear planetary transmission and regulates, and is effectively increased drivage efficiency and reduces cost.
Description
Technical field
The present invention relates to design and the manufacture field of engineering mechanical device actuating device, be specifically related to
A kind of engineering mechanical device many gears speed reduction gearing.
Background technology
At present, coal mine tunnelling machine, engineering tunnel development machine, also referred to as boom-type roadheader,
It is the one of extractive equipment, mainly by cutting means, conveyer device, traction apparatus, and control
Device forms.The engineering mechanical devices such as coal mine tunnelling machine and engineering tunnel development machine are in work
Time, it is required to use speed reduction gearing, its low torsion of high rotating speed that can be exported by motor
Become the slow-speed of revolution height torsion of driving demand, but traditional speed reduction gearing only has a kind of definite value
Speed reducing ratio, so a kind of driving speed, in tunneling process, can run into various
Driving state and operating mode, if the geological condition of coal mine roadway or engineering tunnel changes, need
Driving speed to be changed, traditional solution is to select the development machine of different speed ratio；Its shortcoming
Being can not to change driving speed during the geological condition change of coal mine roadway or engineering tunnel, efficiency is relatively
Low；The development machine of relatively polytypic need to be configured in order to change driving speed, relatively costly.
Summary of the invention
It is an object of the invention to: a kind of engineering mechanical device many gears deceleration transmission dress is provided
Putting, the driving speed reduced existing for actuating device to solve Traditional project plant equipment can not
Become, efficiency is low and high in cost of production problem.
It is an object of the invention to realize by following technical solution:
A kind of engineering mechanical device many gears speed reduction gearing, including being provided with power output shaft
With the decelerator of input, also include the third gear planetary transmission being in series with decelerator,
This third gear planetary transmission includes being connected with high-gear clutch, middle-grade sun gear and low grade too
The power input shaft of sun wheel, middle-grade sun gear outer cover is connected to middle-grade gear ring, and middle-grade gear ring is with high
Shelves clutch is connected and outer wall is provided with middle-grade brake；Low-grade sun gear outer cover is connected to low-grade tooth
Circle, low-grade gear ring outer wall is provided with low-grade brake, logical between described middle-grade gear ring and low-grade gear ring
Crossing middle-grade planet carrier to be connected, be provided with low-grade planet carrier in described low-grade gear ring, low-grade planet carrier is defeated
Go out end to be connected with the input of described decelerator.
Described decelerator is two-stage epicyclic reduction, sets respectively including coaxially arranged and outside
There are primary speed-down sun gear and the double reduction sun of primary speed-down gear ring and double reduction gear ring
Wheel, primary speed-down sun gear is connected with described low-grade planet carrier end, the primary speed-down gear ring sun
Take turns and be provided with primary speed-down planet carrier between primary speed-down gear ring, primary speed-down planet carrier end with
Double reduction sun gear is connected, and is provided with two grades between double reduction sun gear and double reduction gear ring
Reduction planetary carrier, this double reduction planet carrier end is affixed with power output shaft.
The total reduction ratio of this device is third gear planetary transmission and decelerator two parts speed ratio
It is multiplied.
The invention has the beneficial effects as follows:
Compared with prior art, engineering mechanical device many gears deceleration transmission that the present invention provides
Device, arranges a third gear planetary transmission in the front end of tradition decelerator, effectively solves
Traditional development machine only has the shortcoming of a kind of speed reducing ratio, real by this third gear planetary transmission
Existing high, medium and low three gear speed reducing ratio, can be according to coal mine roadway or the geology of engineering tunnel
The change of situation selects a kind of optimal speed reducing ratio, it is ensured that optimal driving speed, is effectively improved
Drivage efficiency；And the introducing of this device realizes three kinds of driving speeds and selects, it is not necessary to configure multiple
The development machine of model, effectively reduces cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
In figure: 1-high-gear clutch, the middle-grade brake of 2-, 3-low grade brake, the middle-grade tooth of 4-
Circle, the middle-grade planet carrier of 5-, the middle-grade sun gear of 6-, 7-low grade gear ring, 8-low grade planet carrier, 9-
Low-grade sun gear, 10-primary speed-down gear ring, 11-primary speed-down planet carrier, 12-primary speed-down is too
Sun wheel, 13-double reduction gear ring, bis-grades of fast planet carriers of 14-, 15-double reduction sun gear, 16-
Power input shaft, 17-power output shaft, I-third gear planetary transmission, II-two-stage planet tooth
Wheel decelerator.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is described further, but required guarantor
The scope of protecting is not limited to described；
As it is shown in figure 1, engineering mechanical device many gears deceleration device that the present invention provides, bag
Include the decelerator II being provided with power output shaft 17 and input, also include being in series with decelerator II
Third gear planetary transmission I, this third gear planetary transmission I include being connected with high-grade from
Clutch 1, middle-grade sun gear 6 and the power input shaft 16 of low-grade sun gear 9, middle-grade sun gear 6
Outer cover is connected to middle-grade gear ring 4, and middle-grade gear ring is connected with high-gear clutch 1 and outer wall is provided with middle-grade
Brake 2；Low-grade sun gear 9 outer cover is connected to low-grade gear ring 7, and low-grade gear ring 7 outer wall is provided with low
Shelves brake 3, is connected by middle-grade planet carrier 5 between described middle-grade gear ring 4 with low-grade gear ring 7,
Low-grade planet carrier 8, low-grade planet carrier 8 outfan and described deceleration it is provided with in described low-grade gear ring 7
The input of device II is connected.Three-step gear shift can be realized by installing one additional in the front end of decelerator II
Third gear planetary transmission I, and then the conversion of effective multiple output speed, can be according to coal
The change of the geological condition of tunnel, ore deposit or engineering tunnel selects a kind of optimal speed reducing ratio, it is ensured that
Good driving speed, is effectively increased drivage efficiency.
Described decelerator II is two-stage epicyclic reduction, including coaxially arranged and outside difference
It is provided with the primary speed-down sun gear 12 of primary speed-down gear ring 10 and double reduction gear ring 13 and two grades
Deceleration sun gear 15, primary speed-down sun gear 12 is connected with described low-grade planet carrier 8 end, and one
It is provided with primary speed-down planet carrier 11 between level reduction gear ring sun gear 12 and primary speed-down gear ring 10,
Primary speed-down planet carrier 11 end is connected with double reduction sun gear 15, double reduction sun gear 15
And it is provided with double reduction planet carrier 14 between double reduction gear ring 13, this double reduction planet carrier 13
End is affixed with power output shaft 17.The increase again of input torque is realized by double reduction,
And then it is effectively increased driving dynamics.
The total reduction ratio of this device is third gear planetary transmission I and decelerator II two parts speed
Ratio is multiplied.
Embodiment 1: during high tap position output, the high-gear clutch in third gear planetary transmission I
1 closes, and middle-grade brake 2 is opened with low-grade brake 3, and power input shaft 16 rotating speed is constant,
The axle rotating speed of low-grade planet carrier 8 is equal with input, and constant rotational speed is transferred to decelerator II
Interior primary speed-down sun gear 12, now primary speed-down gear ring 10 and primary speed-down planet carrier 11
Realize rotating and slow down, i.e. primary speed-down；The axle rotating speed of primary speed-down planet carrier 11 is double reduction
The rotating speed of sun gear 15, then realize two through double reduction gear ring 13 and double reduction planet carrier 14
Level is slowed down, and is finally completed, as output shaft, the purpose that moment of torsion increases by double reduction planet carrier 14.
Embodiment 2: during middle-grade speed change, the high-gear clutch 1 in third gear planetary transmission I
Closing, middle-grade brake 2 is braked, and low-grade brake 3 is opened, and power input shaft 16 drives middle-grade
Sun gear 6 rotates, and the rotating speed of middle-grade sun gear 6 is through the most low-grade sun gear 9 of middle-grade planet carrier 5 output
On, now low-grade gear ring 7 is consistent with middle-grade sun gear 6 with low-grade planet carrier 8 rotating speed, low-grade row
Constant rotational speed is transferred to the primary speed-down sun gear 12 in decelerator II by carrier 8, and now one-level subtracts
Speed gear ring 10 and primary speed-down planet carrier 11 realize rotating and slow down, i.e. primary speed-down；Primary speed-down
The rotating speed that axle rotating speed is double reduction sun gear 15 of planet carrier 11, then through double reduction gear ring
13 and double reduction planet carrier 14 realize double reduction, finally by double reduction planet carrier 14 conduct
Output shaft completes the purpose that moment of torsion increases.
Embodiment 3: during low-grade speed change, the high-gear clutch 1 in third gear planetary transmission I
Closing, middle-grade brake 2 is opened, and low-grade brake 3 is braked, and power input shaft 16 drives middle-grade
Sun gear 6 and low-grade sun gear 9 rotate, and middle-grade gear ring 7 dallies, and low-grade planet carrier 8 is by constant turn
Speed is transferred to the primary speed-down sun gear 12 in decelerator II, now primary speed-down gear ring 10 and one
Level reduction planetary carrier 11 realizes rotating slows down, i.e. primary speed-down；The axle of primary speed-down planet carrier 11
Rotating speed is the rotating speed of double reduction sun gear 15, then through double reduction gear ring 13 and double reduction
Planet carrier 14 realizes double reduction, finally is completed to turn round as output shaft by double reduction planet carrier 14
The purpose that square increases.
Claims (1)
1. engineering mechanical device many gears speed reduction gearing, defeated including being provided with power
The decelerator (II) of shaft (17) and input, it is characterised in that: also include and decelerator
(II) the third gear planetary transmission (I) being in series, this third gear planetary transmission (I)
Including being connected with high-gear clutch (1), middle-grade sun gear (6) and low-grade sun gear (9)
Power input shaft (16), middle-grade sun gear (6) outer cover is connected to middle-grade gear ring (4),
Middle-grade gear ring is connected with high-gear clutch (1) and outer wall is provided with middle-grade brake (2)；Low-grade
Sun gear (9) outer cover is connected to low-grade gear ring (7), and low-grade gear ring (7) outer wall is provided with low
Shelves brake (3), by middle-grade between described middle-grade gear ring (4) and low-grade gear ring (7)
Planet carrier (5) is connected, and is provided with low-grade planet carrier (8) in described low-grade gear ring (7), low
Shelves planet carrier (8) outfan is connected with the input of described decelerator (II)；
Described decelerator (II) is two-stage epicyclic reduction, including coaxially arranged and outside
It is respectively equipped with primary speed-down gear ring (10) and the primary speed-down sun of double reduction gear ring (13)
Wheel (12) and double reduction sun gear (15), primary speed-down sun gear (12) is low with described
Shelves planet carrier (8) end is connected, primary speed-down sun gear (12) and primary speed-down gear ring (10)
Between be provided with primary speed-down planet carrier (11), primary speed-down planet carrier (11) end and two grades
Deceleration sun gear (15) is connected, double reduction sun gear (15) and double reduction gear ring (13)
Between be provided with double reduction planet carrier (14), this double reduction planet carrier (14) end is with dynamic
Power output shaft (17) is affixed；
The total reduction ratio of this device is third gear planetary transmission (I) and decelerator (II) two
Part speed ratio is multiplied；
Above-mentioned engineering mechanical device by the using method of many gears speed reduction gearing particularly as follows:
During high tap position output, the high-gear clutch (1) in third gear planetary transmission (I)
Closing, middle-grade brake (2) is opened with low-grade brake (3), power input shaft (16)
Rotating speed is constant, and the axle rotating speed of low-grade planet carrier (8) is equal with input, and by constant rotational speed
The primary speed-down sun gear (12) being transferred in decelerator (II), now primary speed-down gear ring
(10) realize rotating deceleration, i.e. primary speed-down with primary speed-down planet carrier (11)；One-level subtracts
The rotating speed that axle rotating speed is double reduction sun gear (15) of speed planet carrier (11), then through two
Level reduction gear ring (13) and double reduction planet carrier (14) realize double reduction, finally by two
Level reduction planetary carrier (14) completes, as output shaft, the purpose that moment of torsion increases；
During middle-grade speed change, the high-gear clutch (1) in third gear planetary transmission (I) closes
Closing, middle-grade brake (2) is braked, and low-grade brake (3) is opened, power input shaft (16)
Driving middle-grade sun gear (6) to rotate, the rotating speed of middle-grade sun gear (6) is through middle-grade planet carrier (5)
On the most low-grade sun gear (9) of output, now low-grade gear ring (7) and low-grade planet carrier (8)
Rotating speed is consistent with middle-grade sun gear (6), and constant rotational speed is transferred to subtract by low-grade planet carrier (8)
Primary speed-down sun gear (12) in speed device (II), now primary speed-down gear ring (10) with
Primary speed-down planet carrier (11) realizes rotating and slows down, i.e. primary speed-down；Primary speed-down planet carrier
(11) the rotating speed that axle rotating speed is double reduction sun gear (15), then through double reduction tooth
Circle (13) and double reduction planet carrier (14) realize double reduction, finally by double reduction row
Carrier (14) completes, as output shaft, the purpose that moment of torsion increases；
During low-grade speed change, the high-gear clutch (1) in third gear planetary transmission (I) closes
Closing, middle-grade brake (2) is opened, low-grade brake (3) braking, power input shaft (16)
Driving middle-grade sun gear (6) and low-grade sun gear (9) to rotate, middle-grade gear ring (4) dallies,
Constant rotational speed is transferred to the primary speed-down sun gear in decelerator (II) by low-grade planet carrier (8)
(12), now primary speed-down gear ring (10) and primary speed-down planet carrier (11) realize rotating
Slow down, i.e. primary speed-down；The axle rotating speed of primary speed-down planet carrier (11) is the double reduction sun
The rotating speed of wheel (15), then through double reduction gear ring (13) and double reduction planet carrier (14)
Realize double reduction, finally completed moment of torsion by double reduction planet carrier (14) as output shaft and increase
Big purpose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703904.6A CN103697121B (en) | 2013-12-19 | 2013-12-19 | A kind of engineering mechanical device many gears speed reduction gearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703904.6A CN103697121B (en) | 2013-12-19 | 2013-12-19 | A kind of engineering mechanical device many gears speed reduction gearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103697121A CN103697121A (en) | 2014-04-02 |
| CN103697121B true CN103697121B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310703904.6A Active CN103697121B (en) | 2013-12-19 | 2013-12-19 | A kind of engineering mechanical device many gears speed reduction gearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN103697121B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018144525A1 (en) * | 2017-01-31 | 2018-08-09 | Dana Heavy Vehicle Systems Group, Llc | Multi-speed electric transaxle unit with co-axial shafts |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101534748B1 (en) * | 2014-08-13 | 2015-07-07 | 현대자동차 주식회사 | Power transmission system of hybrid electric vehicle |
| CN105114557A (en) * | 2015-10-12 | 2015-12-02 | 李建利 | Multistage planetary gear reducer with high velocity ratio |
| DE102016208201A1 (en) * | 2016-05-12 | 2017-11-16 | Zf Friedrichshafen Ag | Transmission for tunnel boring machine with switchable superimposed planetary stage |
| CN107178585B (en) * | 2017-06-30 | 2023-08-04 | 贵州凯星液力传动机械有限公司 | High-power hydraulic variable-speed transmission device |
| CN112013097B (en) * | 2020-09-16 | 2022-03-01 | 重庆齿轮箱有限责任公司 | Design method of double-mode main driving gear box of shield tunneling machine and gear box |
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| DE202006006000U1 (en) * | 2006-04-06 | 2006-06-14 | Zf Friedrichshafen Ag | Automatic gearbox design for vehicle, includes epicyclic gears, clutches and brakes providing eight forward gears and one reverse |
| CN101055024A (en) * | 2007-05-14 | 2007-10-17 | 贵州凯星液力传动机械有限公司 | Commutation mechanism for vehicle gear box |
| CN202883896U (en) * | 2012-09-28 | 2013-04-17 | 山推工程机械股份有限公司 | Planetary gear drive uniform load mechanism |
| EP2584220A1 (en) * | 2011-10-20 | 2013-04-24 | Eurocopter Deutschland GmbH | Planetary gear for variable transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9005071B2 (en) * | 2012-01-27 | 2015-04-14 | Deere & Company | Flexible and scalable multi-ratio planetary transmission |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006006000U1 (en) * | 2006-04-06 | 2006-06-14 | Zf Friedrichshafen Ag | Automatic gearbox design for vehicle, includes epicyclic gears, clutches and brakes providing eight forward gears and one reverse |
| CN101055024A (en) * | 2007-05-14 | 2007-10-17 | 贵州凯星液力传动机械有限公司 | Commutation mechanism for vehicle gear box |
| EP2584220A1 (en) * | 2011-10-20 | 2013-04-24 | Eurocopter Deutschland GmbH | Planetary gear for variable transmission |
| CN202883896U (en) * | 2012-09-28 | 2013-04-17 | 山推工程机械股份有限公司 | Planetary gear drive uniform load mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018144525A1 (en) * | 2017-01-31 | 2018-08-09 | Dana Heavy Vehicle Systems Group, Llc | Multi-speed electric transaxle unit with co-axial shafts |
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| Publication number | Publication date |
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| CN103697121A (en) | 2014-04-02 |
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