CN107061633A - A kind of high pulling torque gear drive - Google Patents
A kind of high pulling torque gear drive Download PDFInfo
- Publication number
- CN107061633A CN107061633A CN201710266040.4A CN201710266040A CN107061633A CN 107061633 A CN107061633 A CN 107061633A CN 201710266040 A CN201710266040 A CN 201710266040A CN 107061633 A CN107061633 A CN 107061633A
- Authority
- CN
- China
- Prior art keywords
- gear
- trunnion axis
- planet
- level axle
- axle
- 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.)
- Pending
Links
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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
-
- 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
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/042—Combinations of toothed gearings only change gear transmissions in group arrangement
- F16H37/046—Combinations of toothed gearings only change gear transmissions in group arrangement with an additional planetary gear train, e.g. creep gear, overdrive
-
- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
-
- 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
Abstract
The invention discloses a kind of high pulling torque gear drive, including casing, in addition to：Input shaft；The first level axle being connected with input shaft；The second trunnion axis being connected with first level axle by first gear and second gear, first gear and second gear are arranged on the second trunnion axis, and first gear and second gear are the opposite herringbone bear of the hand of spiral；The 3rd trunnion axis being connected with the second trunnion axis.By the different herringbone bear of two hands of spiral, the double split flow of moment of torsion can be achieved, the maximum driving torque of gear drive is improved.
Description
Technical field
The present invention relates to transmission art field, more specifically to a kind of high pulling torque gear drive.
Background technology
Power dividing technology is that the gear transmission technology of power progress branch will be transmitted using cyclic train or fixed shaft gear train.
Current dividing technology is widely used in wind power speed-increasing gearbox, fast chamber, Aero-Space gear drive field；But rise ship in power station
Machine, harbour elevator, ocean lifting platform etc. lift Series Gear transmission field, and many dividing technologies of gear use less, especially
It is the power dividing technology of cyclic train, with more rare.
In the current high efficient utilization of water resources scientific research schemes of 13, of country five, it is proposed that the ultra-large type volume that 3000 tonnes of ship type
Poplar ship lift system, it is desirable to which gear-box transmits more than moment of torsion 20000kN.m.
Existing fixed shaft gear train gear shunting drive technology, it is impossible in terms of transmission moment of torsion, manufacturing cost, transport finished product
Meet the use requirement of volume poplar hoisting type ship lift, it is therefore desirable to there is a kind of new gear transferring structure to meet such ultra-large type
The market demand of elevator gear-box.
The content of the invention
In view of this, it is an object of the invention to provide high pulling torque gear drive, using Double-gear engagement to moment of torsion
Double split flow is carried out, the maximum driving torque of gear drive is improved.
To achieve the above object, the present invention provides following technical scheme：
A kind of high pulling torque gear drive, including casing, in addition to：
Input shaft；
The first level axle being connected with the input shaft；
The second trunnion axis being connected with the first level axle by first gear and second gear, the first gear and
The second gear is arranged on second trunnion axis, and the first gear is that the hand of spiral is opposite with the second gear
Herringbone bear；
The 3rd trunnion axis being connected with second trunnion axis.
Preferably, described device also include planet device, the planet device include sun gear, planetary gear, planet carrier and
Ring gear, wherein：
The sun gear is connected with the 3rd trunnion axis；
The sun gear is engaged with the planetary gear；
The planetary gear is engaged with the ring gear；
The ring gear is fixedly mounted in the casing；
The planetary gear is connected with the planet carrier；
The planet carrier has the interface that can be connected with output shaft.
Preferably, the 3rd trunnion axis two ends are respectively connected with planet device described in one.
Preferably, the planet device also includes axle sleeve, and described axle sleeve one end is connected with the planet carrier, and the other end can connect
Output shaft.
Preferably, the rotating speed of the 3rd trunnion axis is more than the rotating speed of the planet carrier.
Preferably, described device also includes gear-box, and the gear-box is connected with the 3rd trunnion axis.
Preferably, described device also includes the 4th trunnion axis and the 5th trunnion axis, wherein：
The input shaft is connected by the 4th trunnion axis with the first level axle, the first level axle and the 4th
Trunnion axis is connected by spur gear；
4th trunnion axis is connected by bevel gear with the 5th trunnion axis, the 5th trunnion axis and the described 4th
Horizontal-shaft vertical.
Preferably, the first level axle is arranged on the casing by NU types cylinder roller bearing.
Preferably, the 3rd gear is installed, the 3rd gear is herringbone bear, the 3rd water on the 3rd trunnion axis
Flat axle is connected by the 3rd gear with second trunnion axis.
Preferably, the first level axle is arranged on the casing by NU types cylinder roller bearing.
It can be seen from the above technical proposal that the invention discloses a kind of high pulling torque gear drive, including casing, also
Including：Input shaft；The first level axle being connected with input shaft；It is connected with first level axle by first gear and second gear
Second trunnion axis, first gear and second gear are arranged on the second trunnion axis, and first gear is the hand of spiral with second gear
Opposite herringbone bear；The 3rd trunnion axis being connected with the second trunnion axis., can be real by the different herringbone bear of two hands of spiral
The double split flow of existing moment of torsion, improves the maximum driving torque of gear drive.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the embodiment 1 of high pulling torque gear drive disclosed by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, be a kind of structural representation of the embodiment 1 of high pulling torque gear drive disclosed by the invention,
Including casing, in addition to：Input shaft 1, the first level axle 2 being connected with input shaft 1, is found with first level axle 2 by spiral
Two opposite herringbone bear first gears 3 and the second connected trunnion axis 5 of second gear 4, first gear 3 and second gear 4 are pacified
On the second trunnion axis 5, herringbone bear has registration high, and axial load is small, and bearing capacity is high, the advantage of stable working,
Shunted using herringbone gear mesh moment of torsion, the stability of the present apparatus can be improved.The 3rd trunnion axis being connected with the second trunnion axis 5
6.Wherein input shaft 1 and each trunnion axis is connected on casing by bearing.It can be connected between each axle by gear structure, in this hair
In bright, the connection between NM axle and axle can use the connection of gear shaft and gear, can also use the company of gear and gear
Connect.Gear shaft can be used in first level axle 2, is meshed with the first gear 3 and second gear 4 on the second trunnion axis 5, to second
Trunnion axis 5 transmits moment of torsion, and the second trunnion axis 5 is connected with the 3rd trunnion axis 6, and in the present embodiment, the 3rd trunnion axis 6 can be as defeated
Shaft.
It can be seen from the above technical proposal that present embodiment discloses a kind of high pulling torque gear drive, including casing,
Also include：Input shaft 1, the first level axle 2 being connected with input shaft 1 passes through the tooth of first gear 3 and second with first level axle 2
The second connected trunnion axis 5 of wheel 4, first gear 3 and second gear 4 are arranged on the second trunnion axis 5, are connected with the second trunnion axis 5
The 3rd trunnion axis 6 connect.By the different herringbone bear of two hands of spiral, the double split flow of moment of torsion can be achieved, gear biography is improved
The maximum driving torque of dynamic device.
Technical scheme disclosed by the invention is optimized on the basis of embodiment 1, the present apparatus may also include planet dress
Put, wherein, planet device includes sun gear 7, planetary gear 8, planet carrier 9 and ring gear 10.
Sun gear 7 is connected with the 3rd trunnion axis 6, and sun gear 7 is engaged with planetary gear 8, and planetary gear 8 engages interior with ring gear 10
Gear ring 10 is fixedly mounted in casing, and planetary gear 8 is connected with planet carrier 9, and planet carrier 9 has the interface that can be connected with output shaft.
Wherein, sun gear 7 can be splined shaft, can be connected by axle sleeve 11 with the 3rd trunnion axis 6, and planet carrier 9 is arranged on case by bearing
, can be relative to body pivot on body.Output end employs planet flow dividing structure, is floated using basic boom as load balancing mechanism,
The gear transmission structure realizes that power is carried from mechanism, improves assembling process of products performance and uses reliability.
For further optimization this programme, the two ends of the 3rd trunnion axis 6 are respectively connected with a planet device.Pass through two planet devices
Output torque, can further realize the shunting of moment of torsion, improve the reliability of device.
Above-mentioned planet device may also include axle sleeve 11, and the one end of axle sleeve 11 is connected with planet carrier 9, and the other end can connect output shaft.
For the axle being connected with the present apparatus, if its length not enough, axle sleeve 11 can be used to be connected with planet carrier 9, the suitable of the present apparatus is expanded
Use scope.
For further optimization this programme, the rotating speed of the 3rd trunnion axis 6 is more than the rotating speed of planet carrier 9.Then planet device is one
Reducing gear, while rotating speed is reduced, improves the torque value of output.
In addition to using planet device, it is also possible to use gear-box and be connected instead of above-mentioned planet device with the 3rd trunnion axis 6.
For further optimization this programme, the present apparatus may also include the 4th trunnion axis 12 and the 5th trunnion axis 13, wherein：Input
Axle 1 is connected by the 4th trunnion axis 12 with first level axle 2, and the 4th trunnion axis 12 passes through bevel gear and the phase of the 5th trunnion axis 13
Even, the 5th trunnion axis 13 is vertical with the 4th trunnion axis 12.The device is mainly applied to ship lift system, the 4th trunnion axis 12 and
It is 1 that five trunnion axis 13, which may be designed as synchronizing shaft, i.e. rotating ratio,:1, now, the well-behaved moment of torsion of the present apparatus is defeated from the 5th trunnion axis 13
Go out.If rotating ratio is not 1:1, then the 5th trunnion axis 13 can also be used as an input shaft 1.It is noted that the 4th level
Axle 12 is connected by spur gear with first level axle 2, by the cooperation of spur gear and first gear 3 and second gear 4, is realized
The load of 2 liang of side bearings of first level axle.
First level axle 2 is arranged on casing by NU types cylinder roller bearing 14 in such scheme, because of herringbone bear
With centering effect, therefore axial float may occur for first level axle 2, and NU type cylinder roller bearings are needed to use at this moment
14, NU type cylinder roller bearings 14 are applied to the operating mode that can occur axial float.
In addition to first gear 3 and second gear 4 are using herringbone bear, the 3rd gear can be installed on the 3rd trunnion axis 6, the
Three gears are also herringbone bear, and the 3rd trunnion axis 6 is connected by the 3rd gear with the second trunnion axis 5.
In summary, high pulling torque gear drive disclosed by the invention has following technique effect：With fixed shaft gear train
The united application of double split flow structure and many flow dividing structures of cyclic train planet, prior art is compared, and reduces transmission gear weight, can
The maximum modulus of gear is controlled in below 40mm.The program not only alleviates the weight of gear, saves material, transport, lifting
Etc. cost, reduce after module, also advantageously improve Gearmaking Technology performance, control Gear Processing assembly cost.Gear
The dividing technology of transferring structure, using double helical tooth power dividing, by being free to move axially, easily realizes power effect of load balancing mechanism.
Output end employs planet flow dividing structure, is floated using basic boom as load balancing mechanism, the gear transmission structure is from mechanism
Realize that power is carried, improve assembling process of products performance and use reliability.With fixed shaft gear train double split flow and cyclic train
United application is shunted planet more, can be by adjusting the flow dividing structure and quantity of cyclic train, it is ensured that the moment of torsion of gear-box transmission
Value reaches 15000kN.m-25000kN.m, compared with prior art, increases the torque value of transmission.
The embodiment of each in this specification is described by the way of progressive, what each embodiment was stressed be with it is other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
1. a kind of high pulling torque gear drive, including casing, it is characterised in that also include：
Input shaft；
The first level axle being connected with the input shaft；
The second trunnion axis being connected with the first level axle by first gear and second gear, the first gear and described
Second gear is arranged on second trunnion axis, and the first gear and the second gear are the opposite herringbone of the hand of spiral
Gear；
The 3rd trunnion axis being connected with second trunnion axis.
2. device as claimed in claim 1, it is characterised in that described device also includes planet device, the planet device bag
Sun gear, planetary gear, planet carrier and ring gear are included, wherein：
The sun gear is connected with the 3rd trunnion axis；
The sun gear is engaged with the planetary gear；
The planetary gear is engaged with the ring gear；
The ring gear is fixedly mounted in the casing；
The planetary gear is connected with the planet carrier；
The planet carrier has the interface that can be connected with output shaft.
3. device as claimed in claim 2, it is characterised in that the 3rd trunnion axis two ends respectively with planet device phase described in one
Even.
4. device as claimed in claim 3, it is characterised in that the planet device also includes axle sleeve, described axle sleeve one end with
The planet carrier is connected, and the other end can connect output shaft.
5. device as claimed in claim 4, it is characterised in that the rotating speed of the 3rd trunnion axis is more than turning for the planet carrier
Speed.
6. device as claimed in claim 1, it is characterised in that described device also includes gear-box, the gear-box with it is described
3rd trunnion axis is connected.
7. device as claimed in claim 1, it is characterised in that described device also includes the 4th trunnion axis and the 5th trunnion axis,
Wherein：
The input shaft is connected by the 4th trunnion axis with the first level axle, the first level axle and the 4th level
Axle is connected by spur gear；
4th trunnion axis is connected by bevel gear with the 5th trunnion axis, the 5th trunnion axis and the 4th level
Axle is vertical.
8. device as claimed in claim 1, it is characterised in that the first level axle is installed by NU types cylinder roller bearing
On the casing.
9. the device as described in claim any one of 1-8, it is characterised in that the 3rd gear is installed on the 3rd trunnion axis,
3rd gear is herringbone bear, and the 3rd trunnion axis is connected by the 3rd gear with second trunnion axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266040.4A CN107061633A (en) | 2017-04-21 | 2017-04-21 | A kind of high pulling torque gear drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266040.4A CN107061633A (en) | 2017-04-21 | 2017-04-21 | A kind of high pulling torque gear drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107061633A true CN107061633A (en) | 2017-08-18 |
Family
ID=59600858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710266040.4A Pending CN107061633A (en) | 2017-04-21 | 2017-04-21 | A kind of high pulling torque gear drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061633A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185744A (en) * | 2019-05-05 | 2019-08-30 | 宁夏天地奔牛实业集团有限公司 | Planetary reduction gear and planetary reduction gear bevel gear installation adjusting method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007263353A (en) * | 2006-03-30 | 2007-10-11 | Univance Corp | Driving force distribution control device |
| CN201159271Y (en) * | 2008-01-21 | 2008-12-03 | 中国航空动力机械研究所 | Two gear-driven high speed high duty speed increasing box |
| CN201760446U (en) * | 2010-08-31 | 2011-03-16 | 常州减速机总厂有限公司 | Large hot-rolled gear reducer |
| CN201884565U (en) * | 2010-12-17 | 2011-06-29 | 江苏省金象减速机有限公司 | Improved single-edge double-transmission speed reducer |
| CN201992020U (en) * | 2011-03-01 | 2011-09-28 | 大庆开发区华创电子有限公司 | Special reducer for secondary balance of oil extractor |
| CN204755785U (en) * | 2015-07-09 | 2015-11-11 | 安徽淮化股份有限公司 | Double reduction machine |
| CN105041982A (en) * | 2015-07-08 | 2015-11-11 | 重庆齿轮箱有限责任公司 | Ship lift and speed reducer thereof |
| CN204799684U (en) * | 2015-07-08 | 2015-11-25 | 重庆齿轮箱有限责任公司 | Rolling mill, compound gear case and power transmitting mechanism |
| CN205578678U (en) * | 2016-04-15 | 2016-09-14 | 南京高精齿轮集团有限公司 | Cross axle entry driving machine gear box |
-
2017
- 2017-04-21 CN CN201710266040.4A patent/CN107061633A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007263353A (en) * | 2006-03-30 | 2007-10-11 | Univance Corp | Driving force distribution control device |
| CN201159271Y (en) * | 2008-01-21 | 2008-12-03 | 中国航空动力机械研究所 | Two gear-driven high speed high duty speed increasing box |
| CN201760446U (en) * | 2010-08-31 | 2011-03-16 | 常州减速机总厂有限公司 | Large hot-rolled gear reducer |
| CN201884565U (en) * | 2010-12-17 | 2011-06-29 | 江苏省金象减速机有限公司 | Improved single-edge double-transmission speed reducer |
| CN201992020U (en) * | 2011-03-01 | 2011-09-28 | 大庆开发区华创电子有限公司 | Special reducer for secondary balance of oil extractor |
| CN105041982A (en) * | 2015-07-08 | 2015-11-11 | 重庆齿轮箱有限责任公司 | Ship lift and speed reducer thereof |
| CN204799684U (en) * | 2015-07-08 | 2015-11-25 | 重庆齿轮箱有限责任公司 | Rolling mill, compound gear case and power transmitting mechanism |
| CN204755785U (en) * | 2015-07-09 | 2015-11-11 | 安徽淮化股份有限公司 | Double reduction machine |
| CN205578678U (en) * | 2016-04-15 | 2016-09-14 | 南京高精齿轮集团有限公司 | Cross axle entry driving machine gear box |
Non-Patent Citations (1)
| Title |
|---|
| 成大先: "《机械设计图册》", 31 May 2000, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185744A (en) * | 2019-05-05 | 2019-08-30 | 宁夏天地奔牛实业集团有限公司 | Planetary reduction gear and planetary reduction gear bevel gear installation adjusting method |
| CN110185744B (en) * | 2019-05-05 | 2022-03-22 | 宁夏天地奔牛实业集团有限公司 | Planetary reducer and bevel gear mounting and adjusting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107559383A (en) | A kind of coaxial rotor transmission device with power dividing twice | |
| CN109707798A (en) | The coaxial rotor transmission device of bevel gear-roller gear power dividing twice | |
| CN203876576U (en) | Single-axle hydraulic driving device of large mining self-unloading vehicle | |
| CN201651184U (en) | Two-gear speed change mechanism for small mobile robot | |
| CN201231856Y (en) | Decelerator at tail of helicopter | |
| CN203082124U (en) | Large-power NW type grinding machine gear case | |
| CN203560366U (en) | Multistage gear drive device | |
| CN203585256U (en) | Planetary differential speed reducer for crane | |
| CN107061633A (en) | A kind of high pulling torque gear drive | |
| CN202612486U (en) | Fracturing pump driving device for planetary reduction box | |
| CN201963834U (en) | High-power transmission continuously variable transmission (CVT) | |
| CN203856973U (en) | Multistage planetary reducer for conveyor | |
| CN206918188U (en) | One kind becomes prompt drop away from transfer case | |
| CN203239872U (en) | Combine-harvester four-gear transmission assembly | |
| CN102312974B (en) | Double-output hydraulic power generation planetary speed increaser | |
| CN205578659U (en) | Differential planetary gerar grinding roller box that stands | |
| CN104930136A (en) | Gear control gearbox | |
| CN201604777U (en) | Two-speed driving rear axle transmission | |
| CN204512320U (en) | The multistage Involutes Gears Transmission that the multiple kind of drive is formed | |
| CN201034149Y (en) | Main retarding apparatus | |
| CN203233706U (en) | Combine-harvester five-gear transmission assembly | |
| CN206426761U (en) | A kind of drive axle of excavator | |
| CN204226574U (en) | Second gear electric vehicle transmission assembly | |
| CN208221484U (en) | A kind of dual input multi output gear-box | |
| CN203856971U (en) | Differential planet reducer for crane |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
|
| RJ01 | Rejection of invention patent application after publication |