CN106641115A - Coaxial contrarotating speed reducer - Google Patents
Coaxial contrarotating speed reducer Download PDFInfo
- Publication number
- CN106641115A CN106641115A CN201710074990.7A CN201710074990A CN106641115A CN 106641115 A CN106641115 A CN 106641115A CN 201710074990 A CN201710074990 A CN 201710074990A CN 106641115 A CN106641115 A CN 106641115A
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/289—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two or more coaxial and identical sets of orbital gears, e.g. for distributing torque between the coaxial sets
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/327—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear with orbital gear sets comprising an internally toothed ring gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a coaxial contrarotating speed reducer. A first-level planetary gear train is used for speed reduction, and two inner gear rings of a second-level composite differential gear train are used for realizing speed reduction and a constant speed output function of coaxial contrarotating. A first-level planetary gear is simultaneously engaged with a first-level center gear and a first-level inner gear ring to form a first-level speed reduction system; a second double planetary gear, a second-level double center gear, a second-level inner gear ring, a second-level double inner gear ring, a second-level fixed shaft gear and a second-level sun gear form a second-level coaxial contrarotating speed reduction system. The first-level center gear and the second-level double center gear are separately fixed to an input shaft. An output shaft is divided into an output inner shaft and an output outer shaft, the output inner shaft penetrates through the output outer shaft, and the inner and outer shafts are connected with an output optical axis. The second-level inner gear ring is fixedly connected with the output inner shaft to complete the positive output of the system; and the second-level double inner gear ring, the second-level fixed shaft gear and the second-level sun gear are fixedly connected with the output outer shaft to complete the negative output of the system. The speed reducer has the advantages of simple structure, high speed reduction ratio, large transmission torque and smooth operation.
Description
Technical field
The present invention relates to a kind of gear transmission reducing device, specifically, is related to a kind of the coaxial right of single-input double-output
Turn high speed compound train decelerator.
Background technology
Need to be equipped with double propeller propulsion system on some large transport airplane equipments；In order to improve fuel efficiency, protect
Demonstrate,prove double screw and there is identical speed and torque, the double screw of propulsion system is often using to turning design.Planet circular system
The characteristics of transmitting with power branch, is particularly suitable for high-speed overload equipment, and is widely used to aviation, many industry of ship
Field.The path of Planetary Gear Transmission is to converge to planet carrier output from sun gear input Jing planetary gears, by multiple planetary gears
To realize that the dynamic branch of train is driven.Differential gear train has small volume, lightweight, and gear range is big, efficiency high, and work is flat
Steady the characteristics of, can be input into by planet carrier, ring gear output；Often together constitute with compound gear train with other trains to use.
A kind of single input lose-lose is disclosed in patent 101021245A " coaxle contrarotating high-speed planetary gear transmission "
The compound planetary deceleration device for going out, it is combined by a fixed shaft gear train and a differential gear train, solves birotor electricity
Machine drive scheme and bevel gear shunt the deficiency that drive scheme equal-volume is big, quality is heavy；But the compound planetary deceleration device
Single-stage speed reducing is smaller, is unsuitable for matching speed discrepancy huge between high speed engine and screw, applicable reduction range compared with
It is little.
The content of the invention
In order to avoid the deficiency that prior art is present, the present invention proposes a kind of coaxial to turning decelerator.The decelerator has
Compact conformation, the characteristics of lightweight, bearing capacity is strong, speed reducing ratio is big.
The technical solution adopted for the present invention to solve the technical problems is:Including casing, drive end bearing bracket, rear end cap, input shaft,
In one-level ring gear, two grades of ring gears, two grades of duplex ring gears, primary planet wheel, two grades of double-planetary gears, planet carrier, one-levels
Heart wheel, two grades of duplex centre wheels, two grades of fixed axis gears, secondary solar gear, output interior axle, output outer shaft, the first ball assembly, the
Two ball assemblies, tank ends are connected respectively with drive end bearing bracket and rear end cap；The input shaft is arranged on casing front end by bearing
On lid and two grades of ring gears, primary centre wheel and two grades of duplex centre wheels are separately fixed on input shaft, in drive end bearing bracket interstitial hole
Wall is machined with one-level ring gear；
Two grades of ring gears are located in two grades of duplex ring gears, are passed through between two grades of ring gears and two grades of duplex ring gears
First ball assembly coordinates to be installed, and two grades of duplex ring gears are located in casing, are led between two grades of duplex ring gears and casing
Cross the second ball assembly and coordinate installation, two grades of ring gears, free to rotate between two grades of duplex ring gears, casings, first balls
Ball in component, the second ball assembly is installed respectively by retainer；
The planet carrier is arranged on casing drive end bearing bracket and two grades of ring gears by bearing, the primary planet wheel and one-level
Centre wheel, one-level ring gear engage composition primary speed-down system simultaneously, two grades of double-planetary gears and two grades of duplex centre wheels,
Two grades of ring gears, two grades of duplex ring gears, two grades of fixed axis gears, secondary solar gear constitute two grades it is coaxial to turning deceleration system, one
Primary planet wheel two grades of duplex star-wheels to turning deceleration system coaxial with two grades of level deceleration system are arranged on same by bearing
On planet carrier, and freely rotate in planet carrier, two grades of fixed axis gears are positioned on box back lid by bearing, and around
Axis itself does fixed-axis rotation；
Two grades of ring gears are connected with output interior axle, and output interior axle is through output outer shaft, output interior axle and output outer shaft
Between installed by thrust bearing and be fixedly connected with output optical axis, the secondary solar gear is connected with output outer shaft, and output is outer
Axle is arranged on box back lid by bearing, the positive output of two grades of ring gears and the connected completion system of output interior axle；
Two grades of duplex ring gears, two grades of fixed axis gears, secondary solar gear and the reverse outputs for exporting the connected completion system of outer shaft.
Primary planet wheel two grades of double-planetary gears to turning deceleration system coaxial with two grades of primary speed-down system are 3～6
It is individual, and correspond.
One-level ring gear, two grades of ring gears, two grades of duplex ring gears, planetary gear, two grades of fixed axis gears and secondary solar gears
Profile of tooth is double helical tooth.
Beneficial effect
It is proposed by the present invention a kind of coaxial to turning decelerator, slowed down using primary planet train, two grades of compound differential gear trains
Two ring gears are realized slowing down and two functions of equispeed output coaxially to turning.Wherein, primary planet wheel and primary centre wheel, one
Level ring gear engages composition primary speed-down system simultaneously；Two grades of double-planetary gears and two grades of duplex centre wheels, two grades of ring gears, two
Level duplex ring gear, two grades of fixed axis gears, secondary solar gears constitute two grades coaxially to turning deceleration system.Using two stage gear ratios not
Slowed down with the differential for producing, be capable of achieving larger speed reducing ratio.Primary centre wheel, two grades of duplex centre wheels are separately fixed at defeated
Enter on axle.Output shaft is divided into output interior axle and output outer shaft, and output interior axle is through output outer shaft and is connected to output optical axis.Two grades
Ring gear is exported with the forward direction of the connected completion system of output interior axle；Two grades of duplex ring gears, two grades of fixed axis gears, secondary solar gears
With the reverse output of the connected completion system of output outer shaft.
Single input gear is changed into three coaxial input gears, by input power by the present invention coaxially to turning decelerator
Shunted；In transmission process, realize that dynamic branch is driven using the planetary gear of differential gear train, both the above mode is reduced
Input gear, the power density of travelling gear so that decelerator has smooth running, it is particularly suitable the characteristics of transmitting torque is big
In the double propeller propulsion system of larger transport devices.
Description of the drawings
It is a kind of to the present invention with embodiment below in conjunction with the accompanying drawings to be coaxially described in further detail to turning decelerator.
Fig. 1 is the present invention coaxially to turning decelerator explosive view.
Fig. 2 is the present invention coaxially to turning the one-level ring gear schematic diagram of decelerator.
Fig. 3 is the present invention coaxially to turning two grades of ring gear schematic diagrames of decelerator.
Fig. 4 is planet carrier, primary planet wheel, two grades of double-planetary gear installation position schematic diagrames of the present invention.
Fig. 5 is the present invention coaxially to turning two grades of duplex ring gear schematic diagrames of decelerator.
Fig. 6 is the present invention coaxially to turning reducer structure assembling schematic diagram.
Fig. 7 is the present invention coaxially to turning the drive mechanism schematic diagram of decelerator.
In figure:
1. the planet carrier 7. of 2. one-level ring gear of drive end bearing bracket, 3. input shaft, 4. primary centre wheel, 5. primary planet wheel 6.
Two grades of ball assemblies of double-planetary gear 9. 2 grades of 8. first ball assembly, 10. 2 grades of ring gear duplex ring gear 11. second
The secondary solar gear 18. 2 of 16. 2 grades of fixed axis gears of the output output outer shaft of interior axle 15. of 12. rear end cap, 13. casing 14. 17.
Level duplex centre wheel
Specific embodiment
This embodiment is a kind of coaxial to turning decelerator.
Refering to Fig. 1～Fig. 7, this embodiment is coaxially to turning decelerator by casing 13, drive end bearing bracket 1, rear end cap 12, input shaft
3rd, 2, two grades of one-level ring gear, 9, two grades of ring gear duplex ring gear 10,5, two grades of double-planetary gears 7, planet carrier of primary planet wheel
6th, 4, two grades of primary centre wheel, 18, two grades of duplex centre wheel fixed axis gear 16, secondary solar gear 17, output interior axle 14, output are outer
Axle 15, the first ball assembly 8, the second ball assembly 11 are constituted；The two ends of casing 13 pass through spiral shell with drive end bearing bracket 1 and rear end cap 12 respectively
Bolt is fixedly connected.Input shaft 3 is arranged on casing drive end bearing bracket 1 and two grades of ring gears 9 by bearing, primary centre wheel 4 and two grades
Duplex centre wheel 18 is separately fixed on input shaft 3；One-level ring gear 2 is machined with the interstitial hole inwall of drive end bearing bracket 1.
Planet carrier 6 is arranged on casing drive end bearing bracket 1 and two grades of ring gears 9 by bearing, primary planet wheel 5 and two grades of duplexs
The common planet carrier 6 of planetary gear 7.Primary planet wheel 5 engages composition primary speed-down system simultaneously with primary centre wheel 4, one-level ring gear 2
System；Two grades of double-planetary gears 7 and two grades of 18, two grades of duplex centre wheel, 9, two grades of ring gear, 10, two grades of dead axle teeth of duplex ring gear
Wheel 16, secondary solar gear 17 constitutes two grades coaxially to turning deceleration system；The planetary gear 5 of primary speed-down system is coaxial with two grades to turning
The corresponding planetary gear 7 of deceleration system is arranged on same planet carrier 6 by bearing, and is freely rotated in planet carrier 6.Two grades fixed
Shaft gear 16 is positioned on box back lid 12 by bearing, and does fixed-axis rotation around axis itself.
Two grades of ring gears 9 are located in two grades of duplex ring gears 10, are led between two grades of ring gears 9 and two grades of duplex ring gears 10
Crossing the first ball assembly 8 coordinates installation, the first 8 groups of ball assembly number to be more than 1 group.Two grades of duplex ring gears 10 are located at casing 13
It is interior, coordinated by the second ball assembly 11 between two grades of duplex ring gears 10 and casing 13 and installed, the second 11 groups of ball assembly number
More than 2 groups.Two grades of 9, two grades of ring gears are free to rotate between duplex ring gear 10, casing 13；First ball assembly 8, second
Respectively by retainer installation between ball in ball assembly 11.
The two grades of double-planetary gears 7 to turning deceleration system coaxial with two grades of primary planet wheel 5 of primary speed-down system be 3～
6, and correspond；It is 3 in this embodiment.Primary speed-down system slowdown ratio is coaxial with two grades to be subtracted to turning deceleration system
Speed ratio is different, just because of the differential reducing of the unequal generation of gearratio of two-stage planetary reduction gear.
In this embodiment, output shaft is divided into output interior axle 14 and output outer shaft 15；Two grades of ring gears 9 and output interior axle 14
It is fixedly connected, output interior axle 14 is installed between output interior axle 14 and output outer shaft 15 through output outer shaft 15 by thrust bearing,
And export interior axle 14 and be fixedly connected output optical axis with output outer shaft 15.Secondary solar gear 17 is fixedly connected with output outer shaft 15；
Two grades of ring gears 9 and output interior axle 14 are connected the positive output of completion system；Two grades of duplex ring gears, 10, two grades of fixed axis gears
16th, secondary solar gear 17 and output outer shaft 15 are connected the reverse output of completion system.Output outer shaft 15 is arranged on case by bearing
On body rear end cap 12, freely rotate in box house.
In transmission process, power is input into by input shaft 3, primary planet wheel 5 is passed to through primary centre wheel 4, with reference to one
Level ring gear 2, is exported by planet carrier 6, forms primary speed-down system.Double reduction system be by the partial power of input shaft 3 with
The power of the output of planet carrier 6 of primary speed-down system, passes to two grades of ring gears 9 and two grades double by two grades of duplex centre wheels 18
Connection ring gear 10.Two grades of ring gears 9 impart power to export interior axle 14, and two grades of duplex ring gears 10 impart power to two grades
Fixed axis gear 16, and then secondary solar gear 17 is passed to, export by output outer shaft 15.
In this embodiment, slowed down by two-stage compound gear train, realize the various speed reducing ratio between ± 10～500, and energy
Keep synchronized to turning characteristic between two outputs, transmission efficiency, compact conformation, particularly small volume, speed reducing ratio are big, and single-stage subtracts
Fast device can realize the requirement that Multi-stage transmission decelerator can be only achieved.
Claims (3)
1. a kind of coaxial to turning decelerator, it is characterised in that:Including casing, drive end bearing bracket, rear end cap, input shaft, one-level ring gear,
Two grades of ring gears, two grades of duplex ring gears, primary planet wheel, two grades of double-planetary gears, planet carrier, primary centre wheel, two grades it is double
Connection centre wheel, two grades of fixed axis gears, secondary solar gear, output interior axle, output outer shaft, the first ball assembly, second ball assemblies,
Tank ends are connected respectively with drive end bearing bracket and rear end cap；The input shaft is arranged on casing drive end bearing bracket and two grades of internal tooths by bearing
On circle, primary centre wheel and two grades of duplex centre wheels are separately fixed on input shaft, and drive end bearing bracket interstitial hole inwall is machined with one-level
Ring gear；
Two grades of ring gears are located in two grades of duplex ring gears, and first is passed through between two grades of ring gears and two grades of duplex ring gears
Ball assembly coordinates to be installed, and two grades of duplex ring gears are located in casing, by the between two grades of duplex ring gears and casing
Two ball assemblies coordinate to be installed, two grades of ring gears, free to rotate between two grades of duplex ring gears, casings, the first ball assembly,
Ball in second ball assembly is installed respectively by retainer；
The planet carrier is arranged on casing drive end bearing bracket and two grades of ring gears by bearing, the primary planet wheel and primary centre
Wheel, one-level ring gear engage composition primary speed-down system simultaneously, two grades of double-planetary gears and two grades of duplex centre wheels, two grades
Ring gear, two grades of duplex ring gears, two grades of fixed axis gears, secondary solar gears constitute two grades coaxially to turning deceleration system, and one-level subtracts
Primary planet wheel two grades of duplex star-wheels to turning deceleration system coaxial with two grades of speed system are arranged on same planet by bearing
On frame, and freely rotate in planet carrier, two grades of fixed axis gears are positioned on box back lid, and around itself by bearing
Axis does fixed-axis rotation；
Two grades of ring gears are connected with output interior axle, and output interior axle passes through output outer shaft, between output interior axle and output outer shaft
Installed by thrust bearing and be fixedly connected with output optical axis, the secondary solar gear is connected with output outer shaft, output outer shaft leads to
Cross bearing to be arranged on box back lid, two grades of ring gears are exported with the forward direction of the connected completion system of output interior axle；It is described
Two grades of duplex ring gears, two grades of fixed axis gears, secondary solar gear and the reverse outputs for exporting the connected completion system of outer shaft.
2. according to claim 1 coaxial to turning decelerator, it is characterised in that:The primary planet wheel of primary speed-down system with
Two grades of coaxial two grades of double-planetary gears to turning deceleration system are 3～6, and are corresponded.
3. according to claim 1 coaxial to turning decelerator, it is characterised in that:One-level ring gear, two grades of ring gears, two grades
Duplex ring gear, planetary gear, two grades of fixed axis gears and secondary solar gear profile of tooth are double helical tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074990.7A CN106641115A (en) | 2017-02-13 | 2017-02-13 | Coaxial contrarotating speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074990.7A CN106641115A (en) | 2017-02-13 | 2017-02-13 | Coaxial contrarotating speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641115A true CN106641115A (en) | 2017-05-10 |
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ID=58844622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710074990.7A Pending CN106641115A (en) | 2017-02-13 | 2017-02-13 | Coaxial contrarotating speed reducer |
Country Status (1)
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035083A (en) * | 2018-01-09 | 2018-05-15 | 浙江伊森爱家纺有限公司 | A kind of head driving structure applied to the double rotating-shuttle quilting machine of computer |
| CN108980284A (en) * | 2018-09-30 | 2018-12-11 | 武军 | A kind of circumference for flat double distributor boxes synchronizes driving part of pulling together |
| CN109185402A (en) * | 2018-09-28 | 2019-01-11 | 江苏荣圣汽车零部件有限公司 | One shaft type two-stage multi gear planetary transmission |
| CN109268450A (en) * | 2018-10-25 | 2019-01-25 | 张秘来 | Second level diameter differential teeth planetary wheel drive mechanism |
| CN109538701A (en) * | 2018-03-07 | 2019-03-29 | 深圳市奇诺动力科技有限公司 | Differential planetary transmission |
| CN109555820A (en) * | 2018-11-26 | 2019-04-02 | 山东泽元石油机械有限公司 | A kind of retarder for submersible screw pumping system |
| CN109973589A (en) * | 2019-03-15 | 2019-07-05 | 江苏泰来减速机有限公司 | A kind of concentric dual output Multifunctional pile power plants of single-power input |
| CN110094464A (en) * | 2019-04-29 | 2019-08-06 | 华东交通大学 | A kind of wind turbine gearbox |
| CN110120722A (en) * | 2019-06-18 | 2019-08-13 | 北京航空航天大学 | A kind of integrated speed-reducing motor |
| CN111601984A (en) * | 2018-12-30 | 2020-08-28 | 罗灿 | Double-inner-gear-ring variable linear-speed planetary-row balanced speed reducer |
| CN112797133A (en) * | 2021-01-15 | 2021-05-14 | 中国铁建重工集团股份有限公司 | Silage harvester header gearbox and silage harvester |
| CN113108036A (en) * | 2021-03-11 | 2021-07-13 | 重庆大学 | Modular heavy load big velocity ratio transmission system modular mechanism |
| CN114425769A (en) * | 2021-12-31 | 2022-05-03 | 中石化四机石油机械有限公司 | Size self-adaptive drill floor pipe grabbing manipulator |
| CN115435133A (en) * | 2022-10-24 | 2022-12-06 | 沈阳泰科流体控制有限公司 | Speed reducing mechanism of intelligent valve actuator |
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| CN200996442Y (en) * | 2006-12-25 | 2007-12-26 | 南京高速齿轮制造有限公司 | Conjugated double-outlet reversed gearbox |
| CN101264529A (en) * | 2007-03-18 | 2008-09-17 | 傅亚科 | Twin-output electric driller |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035083A (en) * | 2018-01-09 | 2018-05-15 | 浙江伊森爱家纺有限公司 | A kind of head driving structure applied to the double rotating-shuttle quilting machine of computer |
| CN108035083B (en) * | 2018-01-09 | 2019-11-29 | 浙江伊森爱家纺有限公司 | A kind of head driving structure applied to the double rotating-shuttle quilting machine of computer |
| CN109538701A (en) * | 2018-03-07 | 2019-03-29 | 深圳市奇诺动力科技有限公司 | Differential planetary transmission |
| CN109185402A (en) * | 2018-09-28 | 2019-01-11 | 江苏荣圣汽车零部件有限公司 | One shaft type two-stage multi gear planetary transmission |
| CN108980284A (en) * | 2018-09-30 | 2018-12-11 | 武军 | A kind of circumference for flat double distributor boxes synchronizes driving part of pulling together |
| CN108980284B (en) * | 2018-09-30 | 2024-04-02 | 武军 | Circumferential synchronization cooperative driving part for flat double distribution boxes |
| CN109268450A (en) * | 2018-10-25 | 2019-01-25 | 张秘来 | Second level diameter differential teeth planetary wheel drive mechanism |
| CN109555820A (en) * | 2018-11-26 | 2019-04-02 | 山东泽元石油机械有限公司 | A kind of retarder for submersible screw pumping system |
| CN111601984A (en) * | 2018-12-30 | 2020-08-28 | 罗灿 | Double-inner-gear-ring variable linear-speed planetary-row balanced speed reducer |
| CN111601984B (en) * | 2018-12-30 | 2022-05-24 | 罗灿 | Double-inner-gear-ring variable linear speed planetary-row balanced speed reducer |
| CN109973589A (en) * | 2019-03-15 | 2019-07-05 | 江苏泰来减速机有限公司 | A kind of concentric dual output Multifunctional pile power plants of single-power input |
| CN110094464A (en) * | 2019-04-29 | 2019-08-06 | 华东交通大学 | A kind of wind turbine gearbox |
| CN110094464B (en) * | 2019-04-29 | 2024-05-10 | 华东交通大学 | Wind power gear box |
| CN110120722A (en) * | 2019-06-18 | 2019-08-13 | 北京航空航天大学 | A kind of integrated speed-reducing motor |
| CN112797133A (en) * | 2021-01-15 | 2021-05-14 | 中国铁建重工集团股份有限公司 | Silage harvester header gearbox and silage harvester |
| CN113108036A (en) * | 2021-03-11 | 2021-07-13 | 重庆大学 | Modular heavy load big velocity ratio transmission system modular mechanism |
| CN114425769A (en) * | 2021-12-31 | 2022-05-03 | 中石化四机石油机械有限公司 | Size self-adaptive drill floor pipe grabbing manipulator |
| CN115435133A (en) * | 2022-10-24 | 2022-12-06 | 沈阳泰科流体控制有限公司 | Speed reducing mechanism of intelligent valve actuator |
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Application publication date: 20170510 |
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| WD01 | Invention patent application deemed withdrawn after publication |