CN111927927B - Hydraulic gear shifting main driving planetary reducer - Google Patents
Hydraulic gear shifting main driving planetary reducer Download PDFInfo
- Publication number
- CN111927927B CN111927927B CN202010878209.3A CN202010878209A CN111927927B CN 111927927 B CN111927927 B CN 111927927B CN 202010878209 A CN202010878209 A CN 202010878209A CN 111927927 B CN111927927 B CN 111927927B
- Authority
- CN
- China
- Prior art keywords
- gear
- gear shifting
- planetary
- spline shaft
- planetary reduction
- 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.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 21
- 230000009467 reduction Effects 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 5
- 230000005641 tunneling Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method 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
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- 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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a hydraulic gear shifting main driving planetary reducer, which comprises a motor, a gear shifting system and a planetary reduction system, wherein the motor is connected with the gear shifting system; the gear shifting system comprises a gear shifting spline shaft, a gear shifting mechanism is sleeved on the gear shifting spline shaft, a gear shifting gear set is arranged on one side of the gear shifting mechanism, and the gear shifting gear set is connected with the spline shaft through a shaft; one end of the spline shaft is connected with the gear shifting spline shaft through a bearing; the planetary reduction system comprises a plurality of stages of planetary reduction mechanisms. The invention has reasonable design, compact structure, convenient, safe and reliable remote gear shifting operation; different torques are transmitted through the combined transmission of the parallel-stage gear shifting mechanism and the multistage planetary reduction mechanism, so that the application range of the equipment is enlarged; the reliability and efficiency of the planetary reducer transmission are improved, so that the load capacity, the reliability and the construction efficiency of the shield tunneling machine are greatly improved.
Description
Technical Field
The invention relates to the field of shield tunneling machine reducers, in particular to a hydraulic gear shifting main driving planetary reducer.
Background
The 21 st century is a century of great development of underground space, and an important construction equipment-shield machine as an underground engineering plays a role in underground space development. Domestic subway construction is well-developed, international infrastructure interconnection and intercommunication are realized, and the market potential of the world shield tunneling machine is rapidly released. At present, the shield tunneling machine becomes an indispensable special device for large-scale tunnel tunneling, and is widely used for tunnel engineering of subways, railways, highways, municipal pipe networks, river-crossing tunnels, hydropower and the like.
The main driving reducer of the cutterhead is used as one of core components of the shield machine, is mainly imported at home at present, is high in price, and particularly is mainly imported for a main driving planetary reducer with a gear shifting mechanism for novel shield machine/TBM complete equipment. Therefore, domestic development of the main driving planetary reducer is urgently needed.
Disclosure of Invention
The invention aims to provide a hydraulic gear shifting main driving planetary reducer, which solves the problems in the prior art.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a hydraulic gear shifting main driving planetary reducer, which comprises a motor, a gear shifting system and a planetary reduction system, wherein the motor is connected with the gear shifting system; the motor includes an output shaft.
The gear shifting system comprises a gear shifting spline shaft fixedly connected with the output shaft, a gear shifting mechanism is sleeved on the gear shifting spline shaft, the gear shifting mechanism comprises a primary pinion sleeved on the gear shifting spline shaft, a gear shifting gear set is arranged on one side of the primary pinion, and the gear shifting gear set is connected with the spline shaft in a shaft mode; one end of the spline shaft is connected with the gear shifting spline shaft through a bearing, sliding rails are arranged on one sides of the spline shaft and the gear shifting spline shaft, which are adjacent to each other, and protrusions matched with the sliding rails are arranged on the inner sides of the primary pinion gears; the gear shifting mechanism is connected with a hydraulic cylinder.
The planetary reduction system comprises a plurality of stages of planetary reduction mechanisms, each planetary reduction mechanism comprises a sun gear, a plurality of groups of planetary gears are arranged on the outer sides of the sun gears, inner gear rings are arranged on the outer sides of the plurality of groups of planetary gears, planetary gear bearings are arranged on the inner sides of the planetary gears, planetary shafts are connected with the planetary bearings in a shaft mode, a planetary carrier is arranged on the outer sides of the plurality of groups of planetary shafts, and the plurality of planetary shafts are fixedly arranged on the circumferential direction of the planetary carrier; the sun gear of the planetary reduction mechanism at the first stage is fixedly connected with the spline shaft, the planet carrier is fixedly connected with the sun gear of the planetary reduction mechanism at the next stage, the sun gears of the planetary reduction mechanisms at the two stages are connected with each other, and the sun gear of the planetary reduction mechanism at the last stage is connected with the planet carrier in a shaft way.
Preferably, the gear shifting gear set comprises a primary large gear meshed with a primary small gear, the primary large gear is fixedly connected with an optical axis, a secondary small gear is fixed on the optical axis, the secondary small gear is meshed with a secondary large gear, and the secondary large gear is fixedly connected with a spline shaft.
Preferably, the planetary reduction system comprises a two-stage planetary reduction mechanism.
Preferably, three groups of planet gears are arranged on the outer side of the sun gear.
Preferably, one side of the spline shaft far away from the gear shifting system is connected with a spline sleeve, the spline sleeve is detachably connected with a sun gear, the outer side of the spline sleeve is connected with a third bearing seat through a bearing, and a cooling water cavity is formed in the third bearing seat.
Preferably, a second box body is arranged on the outer side of the planetary reduction system, the second box body is connected with a planet carrier in the last-stage planetary reduction mechanism through a bearing, two groups of oil seals are arranged between the second box body and the planet carrier in the last-stage planetary reduction mechanism, and the two groups of oil seals are arranged back to back.
Preferably, two adjacent groups of sun gears are connected through bearings, and the sun gear of the planetary reduction mechanism at the last stage is connected with the planet carrier through bearings.
Preferably, a first box body is arranged on the outer side of the gear shifting system, the first box body is fixedly connected with a second box body, and the second box body is fixedly connected with the inner gear ring.
Preferably, the first box body is fixedly provided with a manhole cover.
The invention discloses the following technical effects:
the invention has reasonable design, compact structure, convenient, safe and reliable remote gear shifting operation; different torques are transmitted through the combined transmission of the parallel-stage gear shifting mechanism and the multistage planetary reduction mechanism, so that the application range of the equipment is enlarged; the reliability and efficiency of the planetary reducer transmission are improved, so that the load capacity, the reliability and the construction efficiency of the shield tunneling machine are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a decelerator of the present invention;
FIG. 2 is a schematic view of another state structure of the decelerator of the present invention;
fig. 3 is a front view of the present invention.
Wherein 1 is the motor, 2 is the output shaft, 3 is the spline shaft that shifts, 4 is the gearshift, 5 is the spline shaft, 6 is the hydraulic cylinder, 7 is the sun gear, 8 is the planet wheel, 9 is the ring gear, 10 is the planet wheel bearing, 11 is the planet axle, 12 is the planet carrier, 13 is the primary pinion, 14 is the primary gear, 15 is the optical axis, 16 is the secondary pinion, 17 is the secondary gear, 18 is the spline housing, 19 is the third bearing seat, 20 is the cooling water cavity, 21 is the second box, 22 is the oil blanket, 23 is first box, 24 is the view-port cover.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-3, the invention provides a hydraulic gear shifting main driving planetary reducer, which comprises a motor 1, a gear shifting system and a planetary reduction system; the motor 1 comprises an output shaft 2.
The gear shifting system comprises a gear shifting spline shaft 3 fixedly connected with an output shaft 2, the output shaft 2 is fixedly connected with the gear shifting spline shaft 3 through an input spline housing, the input spline housing is connected with a first bearing seat through a bearing, a first box 23 is arranged on the outer side of the gear shifting system, and the first bearing seat is fixedly connected with the first box. The gear shifting spline shaft 3 is sleeved with a gear shifting mechanism 4, the gear shifting mechanism 4 comprises a first-stage pinion 13 sleeved on the gear shifting spline shaft 3, one side of the first-stage pinion 13 is provided with a gear shifting gear set, and the gear shifting gear set is connected with a spline shaft 5 in a shaft manner; one end of the spline shaft 5 is connected with the gear shifting spline shaft 3 through a bearing, sliding rails are arranged on one sides of the spline shaft 5 adjacent to the gear shifting spline shaft 3, and protrusions matched with the sliding rails are arranged on the inner sides of the primary pinion; the gear shifting mechanism 4 is connected with a hydraulic cylinder 6; the gear shifting gear set comprises a primary large gear 14 meshed with a primary small gear 13, an optical axis 15 is fixedly connected with the primary large gear 14, a secondary small gear 16 is fixedly arranged on the optical axis 15, a secondary large gear 17 is meshed with the secondary small gear 16, and the secondary large gear 17 is fixedly connected with the spline shaft 5. The spline shaft 5 is connected with a second bearing seat through a bearing, the second bearing seat is fixedly connected with the first box body, and an end cover is fixedly arranged on the second bearing seat.
The planetary reduction system comprises a plurality of stages of planetary reduction mechanisms, each planetary reduction mechanism comprises a sun gear 7, a plurality of groups of planetary gears 8 are arranged on the outer side of each sun gear 7, an inner gear ring 9 is arranged on the outer side of each group of planetary gears 8, a planetary gear bearing 10 is arranged on the inner side of each planetary gear 8, planetary shafts 11 are connected with the planetary bearings 10 in a shaft mode, a planetary carrier 12 is arranged on the outer side of each group of planetary shafts 11, and a plurality of planetary shafts 11 are fixedly arranged on the circumferential direction of each planetary carrier 12; the sun gear 7 of the first-stage planetary reduction mechanism is fixedly connected with the spline shaft 5, the planet carrier 12 is fixedly connected with the sun gear 7 of the next-stage planetary reduction mechanism, the sun gears 7 of the two-stage planetary reduction mechanisms are connected in a shaft way, and the sun gear 7 of the last-stage planetary reduction mechanism is connected with the planet carrier 12 in a shaft way.
Further preferably, the planetary reduction system comprises a two-stage planetary reduction mechanism.
Further optimizing scheme, the outside of sun gear 7 is provided with three sets of planet wheel 8.
According to the further optimization scheme, one side, far away from a gear shifting system, of the spline shaft 5 is connected with a spline sleeve 18, the spline sleeve 18 is detachably connected with a sun gear 7, the outer side of the spline sleeve 18 is connected with a third bearing seat 19 through a bearing, a cooling water cavity 20 is formed in the third bearing seat 19, and the temperature of the speed reducer is reduced by regulating and controlling a cooling water circulation system.
In a further optimization scheme, a second box body 21 is arranged on the outer side of the planetary reduction system, the second box body 21 is connected with a planet carrier 12 in a final-stage planetary reduction mechanism through a bearing, two groups of oil seals 22 are arranged between the second box body 21 and the planet carrier 12 in the final-stage planetary reduction mechanism, and the two groups of oil seals 22 are arranged back to back.
In a further optimized scheme, two adjacent groups of sun gears 7 are connected through bearings, and the sun gear 7 of the last-stage planetary reduction mechanism is connected with a planet carrier 12 through bearings.
Further optimizing scheme, the gear shifting system outside is provided with first box 23, and first box 23 and second box 21 fixed connection, second box 21 and ring gear 9 fixed connection.
Further optimizing scheme is provided with the manhole cover 24 on the first box 23 fixedly, and the operation condition of the internal components of the speed reducer during operation is better checked.
The working process comprises the following steps:
as shown in fig. 1, the device is in a non-gear-shifting state, a first-stage pinion 13 fixes the gear-shifting spline shaft 3 and the spline shaft 5, the power of the output shaft 2 is directly transmitted to the spline shaft 5 by the gear-shifting spline shaft 3, and is reduced to achieve the required rotating speed and torque through a two-stage planetary reduction mechanism, and is transmitted through a planet carrier of the last stage.
As shown in fig. 2, the device is in a gear-shifting state, a gear-shifting spline shaft 3 and a spline shaft 5 are connected through bearings, a primary pinion 13 and a primary large gear 14 are meshed, power of an output shaft 2 is transmitted through the gear-shifting spline shaft 3, the primary pinion 13 and a gear-shifting gear set, is transmitted to the spline shaft 5, is reduced in speed through a two-stage planetary reduction mechanism to achieve a required rotating speed and torque, and is transmitted through a planet carrier of the last stage.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. A hydraulic gear shifting main driving planetary reducer is characterized in that: comprises a motor (1), a gear shifting system and a planetary reduction system; the motor (1) comprises an output shaft (2);
the gear shifting system comprises a gear shifting spline shaft (3) fixedly connected with an output shaft (2), a gear shifting mechanism (4) is sleeved on the gear shifting spline shaft (3), the gear shifting mechanism (4) comprises a first-stage pinion (13) sleeved on the gear shifting spline shaft (3), a gear shifting gear set is arranged on one side of the first-stage pinion (13), and the gear shifting gear set is connected with a spline shaft (5) in a shaft mode; one end of the spline shaft (5) is connected with the gear shifting spline shaft (3) through a bearing, sliding rails are arranged on one sides of the spline shaft (5) and the gear shifting spline shaft (3) which are adjacent to each other, and protrusions matched with the sliding rails are arranged on the inner sides of the primary pinion gears; the gear shifting mechanism (4) is connected with a hydraulic cylinder (6);
the planetary reduction system comprises a plurality of stages of planetary reduction mechanisms, each planetary reduction mechanism comprises a sun gear (7), a plurality of groups of planetary gears (8) are arranged on the outer sides of the sun gears (7), inner gear rings (9) are arranged on the outer sides of the plurality of groups of planetary gears (8), planetary gear bearings (10) are arranged on the inner sides of the planetary gears (8), planetary shafts (11) are connected with the planetary bearings (10) in a shaft mode, a planetary carrier (12) is arranged on the outer sides of the plurality of groups of planetary shafts (11), and the plurality of planetary shafts (11) are fixedly arranged on the circumferential direction of the planetary carrier (12); the sun gear (7) of the planetary reduction mechanism at the first stage is fixedly connected with the spline shaft (5), the planet carrier (12) is fixedly connected with the sun gear (7) of the planetary reduction mechanism at the next stage, the sun gears (7) in the planetary reduction mechanisms at the two stages are adjacent to each other, and the sun gear (7) of the planetary reduction mechanism at the last stage is connected with the planet carrier (12) in a shaft way;
the gear shifting gear set comprises a primary large gear (14) meshed with a primary small gear (13), the primary large gear (14) is fixedly connected with an optical axis (15), a secondary small gear (16) is fixed on the optical axis (15), the secondary small gear (16) is meshed with a secondary large gear (17), and the secondary large gear (17) is fixedly connected with the spline shaft (5);
one side of the spline shaft (5) far away from the gear shifting system is connected with a spline sleeve (18), the spline sleeve (18) is detachably connected with a sun gear (7), the outer side of the spline sleeve (18) is connected with a third bearing seat (19) through a bearing, and a cooling water cavity (20) is formed in the third bearing seat (19);
the planetary reduction system is characterized in that a second box body (21) is arranged on the outer side of the planetary reduction system, the second box body (21) is connected with a planet carrier (12) in a final-stage planetary reduction mechanism through a bearing, two groups of oil seals (22) are arranged between the second box body (21) and the planet carrier (12) in the final-stage planetary reduction mechanism, and the two groups of oil seals (22) are arranged back to back.
2. A hydraulically shifted main drive planetary reducer as claimed in claim 1, wherein: the planetary reduction system includes a two-stage planetary reduction mechanism.
3. A hydraulically shifted main drive planetary reducer as claimed in claim 1, wherein: three groups of planet gears (8) are arranged on the outer side of the sun gear (7).
4. A hydraulically shifted main drive planetary reducer as claimed in claim 1, wherein: two adjacent groups of sun gears (7) are connected through bearings, and the sun gear (7) of the planetary reduction mechanism at the last stage is connected with a planet carrier (12) through bearings.
5. A hydraulically shifted main drive planetary reducer as claimed in claim 1, wherein: the gear shifting system is characterized in that a first box body (23) is arranged on the outer side of the gear shifting system, the first box body (23) is fixedly connected with a second box body (21), and the second box body (21) is fixedly connected with an inner gear ring (9).
6. A hydraulically shifted main drive planetary reducer as claimed in claim 5, wherein: a manhole cover (24) is fixedly arranged on the first box body (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878209.3A CN111927927B (en) | 2020-08-27 | 2020-08-27 | Hydraulic gear shifting main driving planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878209.3A CN111927927B (en) | 2020-08-27 | 2020-08-27 | Hydraulic gear shifting main driving planetary reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111927927A CN111927927A (en) | 2020-11-13 |
| CN111927927B true CN111927927B (en) | 2024-03-19 |
Family
ID=73308350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010878209.3A Active CN111927927B (en) | 2020-08-27 | 2020-08-27 | Hydraulic gear shifting main driving planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111927927B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110012738A (en) * | 2009-07-31 | 2011-02-09 | 변동환 | Planetary gearboxes and vehicles using them |
| WO2014187631A1 (en) * | 2013-05-21 | 2014-11-27 | Zf Friedrichshafen Ag | Planetary gearset that can be shifted |
| KR101648329B1 (en) * | 2016-05-20 | 2016-08-12 | 이연화 | Planetary Gear Transmission with Two Reduction Ratio at First Reduction Part |
| DE102017212639A1 (en) * | 2016-08-26 | 2018-03-01 | Deere & Company | PTO arrangement for a work vehicle |
| CN108468759A (en) * | 2018-05-31 | 2018-08-31 | 郑州机械研究所有限公司 | A kind of petroleum drilling machine winch shift-variable formula planetary gear reduction box |
| KR101994158B1 (en) * | 2019-01-29 | 2019-06-28 | 강승일 | Planetary Reduction Gear Transmission Having Dog Clutch |
| JP2019157923A (en) * | 2018-03-08 | 2019-09-19 | 本田技研工業株式会社 | Forward/reverse switching mechanism of continuously variable transmission |
| CN212389709U (en) * | 2020-08-27 | 2021-01-22 | 郑州机械研究所有限公司 | A hydraulic shift main drive planetary reducer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140086054A (en) * | 2012-12-28 | 2014-07-08 | 현대위아 주식회사 | Range shift system for transfer case |
| JP6627804B2 (en) * | 2017-02-26 | 2020-01-08 | トヨタ自動車株式会社 | Power transmission device for vehicles |
| US10500941B2 (en) * | 2017-08-18 | 2019-12-10 | Arvinmeritor Technology, Llc | Axle assembly having an electric motor module and a shift mechanism |
-
2020
- 2020-08-27 CN CN202010878209.3A patent/CN111927927B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110012738A (en) * | 2009-07-31 | 2011-02-09 | 변동환 | Planetary gearboxes and vehicles using them |
| WO2014187631A1 (en) * | 2013-05-21 | 2014-11-27 | Zf Friedrichshafen Ag | Planetary gearset that can be shifted |
| KR101648329B1 (en) * | 2016-05-20 | 2016-08-12 | 이연화 | Planetary Gear Transmission with Two Reduction Ratio at First Reduction Part |
| DE102017212639A1 (en) * | 2016-08-26 | 2018-03-01 | Deere & Company | PTO arrangement for a work vehicle |
| JP2019157923A (en) * | 2018-03-08 | 2019-09-19 | 本田技研工業株式会社 | Forward/reverse switching mechanism of continuously variable transmission |
| CN108468759A (en) * | 2018-05-31 | 2018-08-31 | 郑州机械研究所有限公司 | A kind of petroleum drilling machine winch shift-variable formula planetary gear reduction box |
| KR101994158B1 (en) * | 2019-01-29 | 2019-06-28 | 강승일 | Planetary Reduction Gear Transmission Having Dog Clutch |
| CN212389709U (en) * | 2020-08-27 | 2021-01-22 | 郑州机械研究所有限公司 | A hydraulic shift main drive planetary reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111927927A (en) | 2020-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218777398U (en) | Three-gear electric drive bridge structure | |
| CN103016655A (en) | Electromechanical-hydraulic composite type main drive system of tunnel boring machine | |
| CN108556606A (en) | It is a kind of for the integrated motor of electric vehicle and the Driven by Coaxial bridge and method of speed changer | |
| CN215673422U (en) | Coaxial two-stage double-shaft output planetary gear reducer | |
| CN212389709U (en) | A hydraulic shift main drive planetary reducer | |
| CN118514501A (en) | Multi-gear transmission electric drive bridge system | |
| CN205534043U (en) | A multistage planetary reducer for pipe pushing jack | |
| CN202971771U (en) | Electromechanical-hydraulic combined type tunneling machine main driving system | |
| CN111927927B (en) | Hydraulic gear shifting main driving planetary reducer | |
| CN103016633A (en) | Dual-drive tunnel heading machine speed reducer | |
| CN216895680U (en) | Novel planetary reduction gearbox | |
| CN218625338U (en) | Double-input symmetrical-output speed reducer for high-power continuous coal mining machine and continuous coal mining machine | |
| CN201963310U (en) | High-power planetary reducer of earth pressure balance shield machine | |
| CN110712515A (en) | Hybrid transmission | |
| CN112815047A (en) | Planetary gear reducer for electric cutting of underground pipe column | |
| CN221162021U (en) | Four-motor distributed control electric drive axle | |
| CN210478394U (en) | Two keep off coaxial electric bridge | |
| CN218430833U (en) | Multi-gear variable speed hybrid power system with motor directly connected with intermediate shaft | |
| CN215826462U (en) | Transmission structure of double-motor coaxial drive gearbox | |
| CN216242074U (en) | Transport speed reducer of tunneling and anchoring unit | |
| CN117183626A (en) | Coaxial single-motor three-gear sequence gear shifting electric drive bridge system | |
| CN219673188U (en) | Planetary reduction transmission device for power head of reverse circulation drilling machine | |
| CN212928669U (en) | Planetary hoisting gear box for tower crane | |
| CN203730712U (en) | Automotive main reducer assembly | |
| CN103527723A (en) | Hydraulic transmission box for engineering machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231103 Address after: 450001 149 science Avenue, Zhengzhou high tech Industrial Development Zone, Henan Applicant after: Zheng Ji Suo (Zhengzhou) Transmission Technology Co.,Ltd. Address before: 450001 No.149, science Avenue, high tech Zone, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |