CN107504150A - A kind of new hydraulic planetary speed adjusting gear - Google Patents
A kind of new hydraulic planetary speed adjusting gear Download PDFInfo
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- CN107504150A CN107504150A CN201710947332.4A CN201710947332A CN107504150A CN 107504150 A CN107504150 A CN 107504150A CN 201710947332 A CN201710947332 A CN 201710947332A CN 107504150 A CN107504150 A CN 107504150A
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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
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
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Abstract
A kind of new hydraulic planetary speed adjusting gear, is related to transmission art field, and it is mainly made up of gear power dividing system, torque converter system, planet gear transmission system, lubricating oil system etc..Torque converter system uses guide vane adjustable hydraulic torque converter, is made up of pump impeller, turbine, stator ring, adjustable guide wheel and executing agency etc..Planet gear transmission system is differential gear train, is made up of ring gear, planet carrier, planetary gear and sun gear, and the transmission device of this novel stepless speed-regulating is run according to the principle of " power dividing ".Although the efficiency of this power multiple-limb hydraulic planetary transmission device fluid torque-converter is not high, because the power of its shunting is smaller.Therefore, the efficiency of complete machine is higher, and declared working condition is up to 95% or so.
Description
Technical field：
The present invention relates to transmission art field, and in particular to a kind of new hydraulic planetary speed adjusting gear.
Background technology：
Improve the important directions that efficiency of energy utilization is the development of current technology equipment, China's electric power factory equipment is towards Large Copacity, super
Critical or super unit direction is fast-developing, and power plant for energy conservation is the battle position of China's energy-saving and emission-reduction.When thermal power plant runs in boiler
Water it is heated become steam after, feed pump is to boiler water supply and keeps ordinary water level.Boiler feed pump is thermal power plant's Important Auxiliary equipment
Equipment.For several times, steam temperature, vapour pressure change operation, it is necessary to according to operation power to the daily peak regulation of thermal power plant as unit load changes
Situation adjusts the operating mode of boiler feed pump in time.At present in the speed governing field of Power Plant Feedwater pump, four kinds of speed-regulating modes be present：
The direct speed governing of steam turbine, hydraulic coupler-speed regulation, variable-frequency motor speed governing and hydraulic planetary device speed governing.
When speed governing operation direct using small turbine driving boiler feed pump, it is necessary to be separately provided air cooling condensing equipment,
Governing system is complicated, and investment is huge, and power output is affected by environment.Its high-efficiency operation section of variable speed fluid coupling compared with
It is narrow.The speed adjustable range that feed pump even load needs is wider, and carrying out speed governing using fluid-flywheel clutch is difficult to ensure that under unit full working scope
Comprehensive high-efficiency is run.Variable-frequency motor speed efficiency is consistent with hydraulic planetary device, but the Mean of variable-frequency motor speed governing
Time is 3 years, and hydraulic planetary arrangements for speed regulation are 10 years；The overhaul time of variable-frequency motor is 8 years, and hydraulic planetary arrangements for speed regulation are 20
Year.Variable-frequency motor requires high to running environment simultaneously, and the equipment such as frequency converter, switch board need to be placed on explosion-proof area, and to environment
Temperature there are certain requirements.
In addition, can be driven in motor driven compressor engineer applied using hydraulic speed-regulating mode, not only can be with
The power loss that motor variable-frequency speed-regulating link is brought is reduced, electric motor starting load can also be reduced, reduces starting current, shortening is opened
The dynamic time, it is possible to reduce the impact when investment and startup of motor distribution system to distribution system.In addition, hydraulic speed-regulating also has
Good vibration damping characteristic and can meet any explosion-proof area requirement, height reliability, be not required to the length of parking checking
The advantages that period run performance, few maintenance needs.
The content of the invention：
In place of overcoming above-mentioned the shortcomings of the prior art, and a kind of new hydraulic planetary is provided and adjusted
Fast mechanism, the power output and rotating speed of its adjustable hydraulic torque variator turbine, realize secondary solar gear peak power output, turn
Speed and the step-less adjustment between minimum output power, rotating speed.
The technical solution adopted by the present invention is：A kind of new hydraulic planetary speed adjusting gear, including input shaft, output shaft, it is defeated
Enter axle one end outer wall and be cased with sliding bearing, annex gear is provided with the right side of sliding bearing, annex gear connects with machine band pump gear transmission
Connect, machine band pump gear is connected by the first rolling bearing with machine band pump, thrust bearing is provided with the right side of annex gear, thrust bearing is right
Side is provided with pump impeller, and pump impeller is meshed with turbine, and turbine is provided with adjustable guide wheel and stator ring, and adjustable guide wheel connects with executing agency
Connect, the second rolling bearing is provided with the right side of described pump impeller, the second rolling bearing and the 3rd rolling bearing are connected, and second rolls
Bearing and parallel stage input gear are connected, and parallel stage input gear is connected with parallel stage idle pulley, parallel stage idle pulley with
Parallel stage gear drive connects；Input shaft postmedian outer wall is cased with the second sliding bearing, the second sliding bearing by idle shaft with
First sliding bearing connects, and the input shaft other end is cased with coupling tunnel, and coupling tunnel is provided with floating gear ring, the ring gear of floating gear ring
It is connected with planet gear transmission, planetary gear is arranged on planet carrier, and planet carrier is located at the input shaft other end, and planetary gear passes with sun gear
Dynamic connection, sun gear are connected with output shaft internal tooth casing, and output shaft internal tooth casing is outside output shaft, and output shaft is with input shaft positioned at same
On one axis, output shaft is provided with the 3rd sliding bearing and the 4th sliding bearing；Planet carrier by the 4th rolling bearing with it is parallel
Level output gear connection, for parallel stage output gear in connecting shaft, connecting shaft is provided with the 5th rolling bearing.
Described input shaft is connected with pump impeller and coupling tunnel, input shaft power dividing.
Described parallel stage idle pulley can adjust planet carrier rotation direction so that planet carrier turns to ring gear in planetary gear
Unanimously, power merges output driving sun gear.
Described coupling tunnel heating is dried on input shaft.
The front and rear support of described output shaft is the 3rd sliding bearing and the 4th sliding bearing respectively.
Described machine provides fluid torque-converter working oil, planet with pump to the new transmission device for water pump stepless speed governing
The operating pressure of lubricating oil and bearing oil.
The beneficial effects of the invention are as follows：
（1）Fluid torque-converter opposed gear transmission efficiency is relatively low, and only the power of smaller portions passes through fluid torque-converter, in addition compared with
Most power is transferred to output via planet gear transmission system, so after overpower merges, gross efficiency is still higher；
（2）The power that primary planet transmission is transmitted comes from fluid torque-converter, and the power that secondary planet transmission is transmitted comes from input shaft,
That is two-stage Gear Planet Transmission is shared to power input to a machine, so reduces the transmission moment of torsion of transmission mechanism, effectively
The volume and weight of planetary transmission structure is reduced, alleviates the weight of whole mechanical two-stage planet gear transmission stepless speed variator system
Amount；
（3）In whole stepless speed variator system, all driving section sets are all mechanical, and which greatly enhances the reliability of system；
（4）The basic discharge without pollutant in mechanical two-stage planet gear transmission stepless speed variator system, can meet increasingly to improve
The feature of environmental protection demand.
Brief description of the drawings：
Fig. 1 is schematic structural view of the invention.
Embodiment：
Reference picture 1, a kind of new hydraulic planetary speed adjusting gear, including input shaft 5 and output shaft 29, one end outer wall set of input shaft 5
There is sliding bearing 6, the right side of sliding bearing 6 is provided with annex gear 4, and annex gear 4 is connected with machine band pump gear 1, machine band pump
Gear 1 is connected by the first rolling bearing 2 with machine band pump 3, and the right side of annex gear 4 is provided with thrust bearing 7, the right side of thrust bearing 7
Provided with pump impeller 11, pump impeller 11 is meshed with turbine 12, and turbine 12 is provided with adjustable guide wheel 9 and stator ring 10, adjustable guide wheel 9 with
Executing agency 8 connects, and the described right side of pump impeller 11 is provided with the second rolling bearing 13, the second rolling bearing 13 and the 3rd rolling bearing
14 drive connections, the second rolling bearing 13 are connected with parallel stage input gear 15, parallel stage input gear 15 and parallel stage
Idle pulley 16 is connected, and parallel stage idle pulley 16 is connected with parallel stage gear 17；The postmedian outer wall of input shaft 15 is cased with second
Sliding bearing 20, the second sliding bearing 20 are connected by idle shaft 19 with the first sliding bearing 18, and the other end of input shaft 5 is cased with joining
Connect cylinder 31, coupling tunnel 31 are provided with floating gear ring 21, and ring gear 22 and the planetary gear 23 of floating gear ring 21 are connected, planetary gear
23 are arranged on planet carrier 24, and planet carrier 24 is located at the other end of input shaft 5, and planetary gear 23 is connected with sun gear 25, the sun
Wheel 25 is connected with output shaft internal tooth casing 26, and output shaft internal tooth casing 26 is outside output shaft 29, and output shaft 29 is with input shaft 5 positioned at same
On one axis, output shaft 29 is provided with the 3rd sliding bearing 27 and the 4th sliding bearing 28；Planet carrier 24 passes through the 4th axis of rolling
Hold 30 to be connected with parallel stage output gear 32, in connecting shaft, connecting shaft is provided with the 5th and rolled parallel stage output gear 32
Bearing 33.Described input shaft 5 is connected with pump impeller 3 and coupling tunnel 31, the power dividing of input shaft 5.Described parallel stage idle pulley 16
The rotation direction of planet carrier 24 can be adjusted so that planet carrier 24 turns to unanimously with ring gear 22 in planetary gear, and power merges output
Drive sun gear 25.The described heating of coupling tunnel 31 is dried on input shaft 5.The front and rear support of described output shaft 29 is respectively
3rd sliding bearing 27 and the 4th sliding bearing 28.Described machine gives the new transmission device for water pump stepless speed governing with pump 3
The operating pressure of fluid torque-converter working oil, planet lubricating oil and bearing oil is provided.
Mainly it is made up of fluid torque-converter, parallel-axes gears, planetary gear, lubricating oil system, executing agency 8, bearing etc..Liquid
Power torque-converters uses guide vane adjustable hydraulic torque converter, is made up of pump impeller 11, turbine 12, stator ring 10 and adjustable guide wheel 9 etc..
Parallel-axes gears is made up of parallel stage input gear 15, parallel stage idle pulley 16 and parallel stage output gear 32.Planetary gear is differential
Train, it is made up of ring gear 22, planet carrier 24, planetary gear 23 and sun gear 25.
The transmission device of this novel stepless speed-regulating is run according to the principle of " power dividing ".When device operates
When, constant speed motor drives the ring gear 22 that the pump impeller 11 of fluid torque-converter is driven with planetary gear 23 by input shaft simultaneously, is formed
Power dividing：A part of power passes through fluid torque-converter, drives turbine 12 by pump impeller 11, turbine 12 is passed by parallel stage gear 17
Power is passed, drives ring gear 22 in planetary gear 23, and then drive the sun gear 25 in planetary gear 23；Another part power is via row
Sun gear 25 in the ring gear 22 of star-wheel 23 driving planetary gear 23, i.e. two parts power are formed at sun gear 25 in planetary gear 23 and closed
Stream, while two parts rotating speed is overlapped output at the sun gear 25 of planetary gear 23.
The transmission device of this novel stepless speed-regulating is stepless speed-regulating device, and device gearratio formula is：
Wherein,It is planetary stage gear ratio；It is parallel stage gear ratio；It is the fast ratio of fluid torque-converter, i.e., turbine turns
Speed and pump impeller rotating ratio.
Smaller via the power flow of fluid torque-converter, the branched power main function is to provide one to the transmission of planetary gear 23
Variable speed input；Via input shaft 5 be directly transmitted to planetary gear 23 transmission power flow it is larger, the branched power is as planet
The constant speed input of the transmission of wheel 23, two inputs realize that variable-ratio exports be driven by planetary gear 23 simultaneously after.So design
Benefit be, although the efficiency of fluid torque-converter is not high, due to its shunting power it is smaller, the efficiency of whole transmission device
Still it is very high.
The transmission device of this novel stepless speed-regulating keeps very high efficiency, the overall efficiency formula to be：
Wherein,It is parallel stage gear ratio；It is planetary stage gear ratio；It is the fast ratio of fluid torque-converter, i.e., turbine turns
Speed and pump impeller rotating ratio；It is the efficiency of fluid torque-converter.
Fluid torque-converter uses guide vane adjustable structure, and pump impeller 11 inputs, and turbine 12 exports.When fluid torque-converter needs by force
System changes moment of torsion and rotating speed on output shaft 29, and when input speed is constant, pass through the component of adjustment actuating mechanism 8 and change adjustable vane
Corner, fluid torque-converter interior flow field characteristic changes, and then the output speed of turbine 12 changes, and use is most rational
Guide vane angle is to ensure that fluid torque-converter obtains peak efficiency and optimal converter torque ratio.When fluid torque-converter needs forced adjustment
Moment of torsion and rotating speed on output shaft 29, and when input speed is constant, change the corner of adjustable vane, fluid torque-converter interior flow field is special
Property change, and then output speed changes, and uses most rational guide vane angle to ensure that fluid torque-converter obtains
Peak efficiency and optimal converter torque ratio.The rotating speed of turbine 12 can adjust fluid torque-converter guide vane opening by executing agency 8 and be controlled
System, at the same turbine 12 not only can main story, can also invert.
Fluid torque-converter can realize the function of stepless speed regulation.The power that turbine 12 exports passes through parallel stage axle tooth with rotating speed
Take turns 17 transmission systems and be transferred to planet carrier 24.Form is transmitted using parallel stage gear 17, the output speed of turbine 12 is scaled
Planet carrier 24 is driven, the design and type selecting of such fluid torque-converter are more flexibly, conveniently.
When face of fluid torque converter 11 is transferred to the rotating forward power of turbine 12 with rotating speed maximum, power flow one, two merges
Afterwards, the power output of sun gear 25 reaches maximum with rotating speed；When face of fluid torque converter 11 be transferred to the reversion power of turbine 12 with
During rotating speed maximum, after power flow one, two merges, the power output of sun gear 25 reaches minimum with rotating speed；Under rest working conditions, it can adjust
The power output and rotating speed of transformer turbine 12, realize that secondary solar gear 25 is defeated in peak power output, rotating speed and minimum
The step-less adjustment gone out between power, rotating speed.
Input shaft 5 is rotated, and major part power is delivered on planetary gear train by coupling tunnel 31 and floating gear ring 21, smaller
Partial Power passes through fluid torque-converter（Including（Executing agency 8, adjustable guide wheel 9, stator ring 10, pump impeller 11, turbine 12 and
Two rolling bearings 13）It is delivered at parallel stage input gear 15.The single-input double-output of parallel stage input gear 15, passes through parallel stage
Idle pulley 16 and the gear of parallel stage output gear 32 proportioning reduce rotating speed driving planet carrier 24 and imported to planetary gear train.
Machine band pump gear 1 driving machine band pump 3 on power dividing branch road, the machine band operating offer of pump 3 fluid torque-converter working oil,
The operating pressure of planet lubricating oil and bearing oil.
Fluid torque-converter is made up of executing agency 8, adjustable guide wheel 9, stator ring 10, turbine 12 and pump impeller 11.Fluid power becomes
The pump impeller 11 of square device inputs, and turbine 12 exports.Executing agency 8 can change the adjustable inner vanes of guide wheel 9 by manual control
Corner, regulation guide wheel change the relative angle of guide wheel and housing, change the disengaging bicker of the circular flow, guide wheel of torque-converters
Become, to realize fluid torque-converter performance change, in the case of the input speed of pump impeller 11 is constant, the output speed of turbine 12 changes
Become, play the purpose of stepless speed regulation.
Wherein, input shaft 5 is connected with pump impeller 3 and coupling tunnel 31, the power dividing of input shaft 5.Different loads output speed bar
Than different, major part power is passed to the ring gear 22 in differential stage planetary gear by coupling tunnel 31, smaller for power dividing under part
Partial Power is passed to the planet carrier 24 in differential stage planetary gear by fluid torque-converter.
Fluid torque-converter uses guide vane adjustable structure.Adjustment actuating mechanism 8 changes the corner of adjustable guide wheel 9, and then
Change fluid torque-converter interior flow field characteristic, under the input speed permanence condition of pump impeller 3, turbine 12 realizes the stepless output of speed change.
Turbine 12 drives the planet of planetary gear by parallel stage input gear 15, parallel stage idle pulley 16 and gear 17 in parallel stage gear
Frame 24.Parallel stage input gear 15, parallel stage idle pulley 16 and gear 17 can be according to the output speeds of turbine 12 in parallel stage gear
The rotating speed of planet carrier 24 is scaled to, using two-stage parallel axis form, pantograph ratio scope is big, between gearratio is from 1 to 40
It can meet.Parallel stage idle pulley 16 can adjust the rotation direction of planet carrier 24 so that planet carrier 24 and ring gear 22 in planetary gear
Turn to consistent, power merging output driving sun gear 25.
The heating of coupling tunnel 31 is dried on input shaft 5.Coupling tunnel 31 drives floating gear ring 21, and driving ring gear 22 rotates.
The rotating speed of ring gear 22 remains constant when device operates, and adjustment actuating mechanism 8 changes the rotating speed of planet carrier 24, changes power dividing
Than ring gear 22 occupies major part power all the time, and output speed realizes stepless speed regulation.
The shafting of input shaft 5 is grown, and load bearing element is more, and the front and rear support of input shaft 5 is sliding bearing 6 and sliding bearing respectively
20.Thrust bearing 7 carries axial force caused by fluid torque-converter operation.The front and rear support of output shaft 29 is the 3rd slip respectively
The sliding bearing 28 of bearing 27 and the 4th.
Annex gear 4 works with motivation band pump gear 1, driving machine band pump 3.Machine band pump 3 is adjusted to the new water pump stepless that is used for
The transmission device of speed provides the operating pressure of fluid torque-converter working oil, planet lubricating oil and bearing oil.
In summary, fluid torque-converter opposed gear transmission efficiency is relatively low, and only the power of smaller portions becomes by fluid power
Square device, in addition the power of major part be transferred to output via planet gear transmission system, so after overpower merges, gross efficiency is still
It is higher；The power that primary planet transmission is transmitted comes from fluid torque-converter, and the power that secondary planet transmission is transmitted comes from input shaft, i.e.,
Two-stage Gear Planet Transmission is shared to power input to a machine, so reduces the transmission moment of torsion of transmission mechanism, effectively subtracts
The small volume and weight of planetary transmission structure, alleviate the weight of whole mechanical two-stage planet gear transmission stepless speed variator system
Amount；In whole stepless speed variator system, all driving section sets are all mechanical, and which greatly enhances the reliability of system；Mechanically
The basic discharge without pollutant in two-stage planet gear transmission stepless speed variator system, can meet the need of the feature of environmental protection increasingly improved
Ask.
Claims (6)
1. a kind of new hydraulic planetary speed adjusting gear, including input shaft（5）And output shaft（29）, it is characterised in that：Input shaft（5）
One end outer wall is cased with sliding bearing（6）, sliding bearing（6）Right side is provided with annex gear（4）, annex gear（4）With machine band pump tooth
Wheel（1）Drive connection, machine band pump gear（1）Pass through the first rolling bearing（2）With machine band pump（3）Connection, annex gear（4）Right side
Provided with thrust bearing（7）, thrust bearing（7）Right side is provided with pump impeller（11）, pump impeller（11）With turbine（12）It is meshed, turbine（12）
It is provided with adjustable guide wheel（9）And stator ring（10）, adjustable guide wheel（9）With executing agency（8）Connection, described pump impeller（11）It is right
Side is provided with the second rolling bearing（13）, the second rolling bearing（13）With the 3rd rolling bearing（14）Drive connection, second axis of rolling
Hold（13）With parallel stage input gear（15）Drive connection, parallel stage input gear（15）With parallel stage idle pulley（16）Transmission connects
Connect, parallel stage idle pulley（16）With parallel stage gear（17）Drive connection；Input shaft（15）Postmedian outer wall is cased with the second sliding axle
Hold（20）, the second sliding bearing（20）Pass through idle shaft（19）With the first sliding bearing（18）Connection, input shaft（5）Other end set
There is coupling tunnel（31）, coupling tunnel（31）It is provided with floating gear ring（21）, floating gear ring（21）Ring gear（22）With planetary gear
（23）Drive connection, planetary gear（23）It is arranged at planet carrier（24）On, planet carrier（24）Located at input shaft（5）The other end, planet
Wheel（23）With sun gear（25）Drive connection, sun gear（25）With output shaft internal tooth casing（26）Connection, output shaft internal tooth casing（26）
Located at output shaft（29）Outside, output shaft（29）With input shaft（5）On same axis, output shaft（29）The 3rd is provided with to slide
Bearing（27）With the 4th sliding bearing（28）；Planet carrier（24）Pass through the 4th rolling bearing（30）With parallel stage output gear（32）
Connection, parallel stage output gear（32）In connecting shaft, connecting shaft is provided with the 5th rolling bearing（33）.
A kind of 2. new hydraulic planetary speed adjusting gear according to claim 1, it is characterised in that：Input shaft（5）With pump impeller
（3）And coupling tunnel（31）It is connected, input shaft（5）Power dividing.
A kind of 3. new hydraulic planetary speed adjusting gear according to claim 1, it is characterised in that：Parallel stage idle pulley（16）Can
To adjust planet carrier（24）Rotation direction so that planet carrier in planetary gear（24）With ring gear（22）Turn to consistent, power merging
Output driving sun gear（25）.
A kind of 4. new hydraulic planetary speed adjusting gear according to claim 1, it is characterised in that：Coupling tunnel（31）Heating is dried
Mounted in input shaft（5）On.
A kind of 5. new hydraulic planetary speed adjusting gear according to claim 1, it is characterised in that：Output shaft（29）It is front and rear
Support is the 3rd sliding bearing respectively（27）With the 4th sliding bearing（28）.
A kind of 6. new hydraulic planetary speed adjusting gear according to claim 1, it is characterised in that：Machine band pump（3）To new
Transmission device for water pump stepless speed governing provides the work pressure of fluid torque-converter working oil, planet lubricating oil and bearing oil
Power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947332.4A CN107504150A (en) | 2017-10-12 | 2017-10-12 | A kind of new hydraulic planetary speed adjusting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947332.4A CN107504150A (en) | 2017-10-12 | 2017-10-12 | A kind of new hydraulic planetary speed adjusting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107504150A true CN107504150A (en) | 2017-12-22 |
Family
ID=60701408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710947332.4A Pending CN107504150A (en) | 2017-10-12 | 2017-10-12 | A kind of new hydraulic planetary speed adjusting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504150A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119631A (en) * | 2018-02-08 | 2018-06-05 | 沈阳三科嘉诚流体传动有限公司 | Speed-regulating actuator, feed pump and rotation machinery |
| CN109340341A (en) * | 2018-11-16 | 2019-02-15 | 中国船舶重工集团公司第七0三研究所 | A kind of planetary differential Constant-Speed Unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1734129A (en) * | 2004-08-13 | 2006-02-15 | 刘岩 | Hydraulic planetary automatic stepless gearbox |
| US20110251009A1 (en) * | 2008-07-25 | 2011-10-13 | Voith Patent Gmbh | Superimposed transmission having coupling shafts |
| WO2015071349A2 (en) * | 2013-11-14 | 2015-05-21 | Voith Patent Gmbh | Power transmission device |
| CN105889451A (en) * | 2016-06-22 | 2016-08-24 | 大连交通大学 | Variable speed input and constant speed output electricity generation speed regulation system for regulation of guide vane adjustable torque converter |
| CN207554728U (en) * | 2017-10-12 | 2018-06-29 | 中国船舶重工集团公司第七�三研究所 | A kind of novel hydraulic planetary speed adjusting gear |
-
2017
- 2017-10-12 CN CN201710947332.4A patent/CN107504150A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1734129A (en) * | 2004-08-13 | 2006-02-15 | 刘岩 | Hydraulic planetary automatic stepless gearbox |
| US20110251009A1 (en) * | 2008-07-25 | 2011-10-13 | Voith Patent Gmbh | Superimposed transmission having coupling shafts |
| WO2015071349A2 (en) * | 2013-11-14 | 2015-05-21 | Voith Patent Gmbh | Power transmission device |
| CN105889451A (en) * | 2016-06-22 | 2016-08-24 | 大连交通大学 | Variable speed input and constant speed output electricity generation speed regulation system for regulation of guide vane adjustable torque converter |
| CN207554728U (en) * | 2017-10-12 | 2018-06-29 | 中国船舶重工集团公司第七�三研究所 | A kind of novel hydraulic planetary speed adjusting gear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119631A (en) * | 2018-02-08 | 2018-06-05 | 沈阳三科嘉诚流体传动有限公司 | Speed-regulating actuator, feed pump and rotation machinery |
| CN109340341A (en) * | 2018-11-16 | 2019-02-15 | 中国船舶重工集团公司第七0三研究所 | A kind of planetary differential Constant-Speed Unit |
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