CN205479226U - A hydraulic derailleur for all -hydraulic wind -force unit - Google Patents
A hydraulic derailleur for all -hydraulic wind -force unit Download PDFInfo
- Publication number
- CN205479226U CN205479226U CN201620293166.1U CN201620293166U CN205479226U CN 205479226 U CN205479226 U CN 205479226U CN 201620293166 U CN201620293166 U CN 201620293166U CN 205479226 U CN205479226 U CN 205479226U
- Authority
- CN
- China
- Prior art keywords
- discharge equipment
- group
- distribution shaft
- oil distribution
- hydraulic
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 37
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012508 change request Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides a hydraulic derailleur for all -hydraulic wind -force unit, including casing and energy transfer unit, energy transfer unit is used for the transmission of rotational speed, the energy transfer unit arrange in in the casing. This derailleur adopts hydraulic drive's mode, has improved radial piston pump's structure, has changed the volumetric regulative mode of variable to combine together with the partial structure of fluid coupling ware, transmission system is few in grades, and the drive ratio is big, among the hydraulic pressure transmission system very big reduction the direct contact between the drive disk assembly, higher to the efficiency of energy transfer, replace the gear box completely, practiced thrift the cost, improved the reliability.
Description
Technical field
This utility model belongs to hydraulic drive field, is specifically related to a kind of fluid power for all-hydraulic Wind turbine
Variator.
Background technology
Along with Wind turbines maximizes and the development of offshore wind farm, the change of operating mode and service condition makes wind-force
Machine parts bear more violent rotating speed and torque ripple, and fault rate increases.Gearbox drive and directly to drive be wind
The kind of drive that power generator group is commonly used, especially based on gearbox drive.According to statistics, drive disk assembly
In gear-box be the part of Frequent Troubles, its maintenance cost accounts for more than the 60% of the total maintenance cost of wind energy conversion system.
The gear ratio of gear-box is single, fluctuations in wind speed the load fluctuation caused is the most violent.
All-hydraulic wind energy conversion system concept is suggested in recent years.This mainly adds variable pump and change in hydraulic circuit
Amount motor, is changed by volume and adjusts rotating ratio, to realize the variable speed constant frequency under the rated speed of electromotor.
However, it is known that variable pump and variable displacement motor be unable to reach wind energy conversion system work special operation condition.Wind energy conversion system requirement
Service life is long, loads higher, and gear ratio is the biggest.In all pump structures, variable type radial column
Plug pump is longest-lived, and operating pressure is big, and effect is best, but still suffers under extremely low rotating speed unaccommodated
Situation.And too much pipeline and the existence of valve, significantly increase the linear loss of hydraulic energy, limit
Response speed.
More hydraulic driven blower fan have employed mixed drive mechanically and hydraulically, is distributed by planetary gear,
Only allow hydraulic unit carrying very small part load, the most do not remove gear-box.Digital displacement variable pump
Utility model allows all-hydraulic wind energy conversion system have a more specifically implementation, but there is also the biggest along journey
Energy loss.
Utility model content
In order to solve above technical problem, the invention provides a kind of fluid power for all-hydraulic Wind turbine and become
Speed device.
This utility model solves above-mentioned technical problem by following technical proposals:
A kind of Hydrodynamic transmission for all-hydraulic Wind turbine, including housing and energy transfer unit, described
Energy transfer unit is for the transmission of rotating speed, and described energy transfer unit is placed in described housing；
Described energy transfer unit include flow-dividing bin that oil distribution shaft is sequentially connected with described oil distribution shaft one end end face,
Guide wheel, turbine and turbine wheel shaft, the other end of the corresponding described oil distribution shaft of described housing is provided with opening, described housing
One end of corresponding described turbine wheel shaft is provided with opening；
Described oil distribution shaft is axially inside provided with oil inlet pipe and flowline, and described flowline is with described flow-dividing bin even
Logical, described oil distribution shaft is axially inside provided with and organizes discharge equipment more, and often group discharge equipment place plane is with described
Oil distribution shaft axially vertical, often group discharge equipment includes the multiple plungers being uniformly arranged, the cavity of described plunger
Connect with described oil inlet pipe and described flowline；
Described housing is provided with near described turbine one end and organizes oil-out more, described oil-out and described oil inlet pipe
Oil-in is connected by circulation line.
Preferably, described oil distribution shaft, guide wheel, turbine and turbine wheel shaft are all coaxially disposed.
Preferably, described discharge equipment has 40 groups, and often group discharge equipment includes 9 plungers.
Preferably, the cavity of each plunger is all connected with described oil inlet pipe by the first check valve, each plunger
Cavity all connected with described flowline by the second check valve, described first check valve and described second unidirectional
Valve is in opposite direction.
Preferably, described 40 groups of discharge equipments are to be set in qually spaced on described oil distribution shaft, near described shunting
One group of discharge equipment in storehouse is first group of discharge equipment, adjacent with described first group of discharge equipment for second group
Discharge equipment, described first group of discharge equipment rotates 9 degree in the counterclockwise direction around described oil distribution shaft, is
The setting direction of the second group of discharge equipment being adjacent, by that analogy, previous group discharge equipment is around described
Oil distribution shaft rotates 9 degree of setting directions being its later group discharge equipment in the counterclockwise direction.
The Hydrodynamic transmission that this utility model provides has the advantage that
1) this variator uses hydraulicdriven mode, improves radial plunger pump structure, changes variable
The regulative mode of volume.
2) use Hydraulic Power Transmission System, the torque ripple of drive system can be alleviated, there is flexible characteristic, body
Show the multi-change speed being similar to infinitely variable speeds.
3) combining with the part-structure of fluid coupling, drive system classification is few, and gear ratio is big, and hydraulic pressure passes
Greatly reducing the direct contact between drive disk assembly in dynamic system, that transmits energy is in hgher efficiency；Completely
Instead of gear-box, cost-effective, improve reliability；Integrated and the simplification of hydraulic pressure recharging oil device part,
Shorten oil circuit, decrease energy loss, alleviate variator overall volume and weight.
4) Hydrodynamic transmission that this utility model provides can be also used for the speed change request of other machineries, such as water
Profit generating and tidal power generation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Hydrodynamic transmission for all-hydraulic Wind turbine of this utility model embodiment
Figure；
Fig. 2 is one group of discharge equipment radial section schematic diagram along oil distribution shaft；
Fig. 3 is the layout schematic diagram of sensor and check valve at single plunger.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that, the technical solution of the utility model can be practiced, under
Face combines the drawings and specific embodiments and further illustrates this utility model, but illustrated embodiment is not as to this
The restriction of utility model.
This utility model provides a kind of Hydrodynamic transmission for all-hydraulic Wind turbine, such as Fig. 1 the most extremely
Shown in Fig. 3, including housing 3 and energy transfer unit.
Energy transfer unit is for the transmission of rotating speed, including oil distribution shaft 4 and oil distribution shaft 4 one end end face successively
Flow-dividing bin 8, guide wheel 9, turbine 10 and the turbine wheel shaft 11 connected, oil distribution shaft 4, guide wheel 9, turbine 10 and
Turbine wheel shaft 11 is all coaxially disposed, and the other end of the corresponding oil distribution shaft 4 of housing 3 is provided with opening, the corresponding whirlpool of housing 3
One end of wheel shaft 11 is provided with opening.
Oil distribution shaft 4 is axially inside provided with oil inlet pipe 5 and flowline 6, and flowline 6 connects with flow-dividing bin 8,
Oil distribution shaft 4 is axially inside provided with and organizes discharge equipment more, often group discharge equipment place plane and oil distribution shaft 4
Axially vertical, often group discharge equipment includes the multiple plungers 14 being uniformly arranged, the cavity of plunger 14 and oil-feed
Pipe 5 connects with flowline 6, the plunger rod of plunger 14 under the effect of hydraulic oil with housing 3 undulations
Inwall abuts against, and oil distribution shaft 4 drives plunger 14 to do stretching motion, makes plunger 14 by hydraulic oil from oil inlet pipe
5 suck cavity or the hydraulic oil in cavity are pressed out to flowline 6, and flowline 6 is by reciprocal for multiple plungers 14
The hydraulic oil that motion extrudes is pressed into flow-dividing bin 8 by oil drain out 7 together, and flow-dividing bin 8 is by how group apertures are by liquid
Force feed is delivered on the blade of guide wheel 9, and hydraulic oil changes direction through the guide effect of guide wheel 9 blade,
Hydraulic oil after guide wheel 9 will change direction is got on the blade of turbine 10 with certain orientation, drives turbine 10
Rotate, and rotating speed is exported by turbine wheel shaft 11.
In the present embodiment, discharge equipment has 40 groups, and often group discharge equipment includes 9 plungers 14, each
The cavity of plunger 14 is all connected with oil inlet pipe 5 by the first check valve 33, and the cavity of each plunger 14 is the most logical
Crossing the second check valve 34 to connect with flowline 6, the first check valve 33 and the second check valve 34 are in opposite direction,
Each plunger 14 is all provided with advance ball and fixes with jump ring on top, and plunger 14 is provided with sealing member outside chamber,
The plunger 14 of two adjacent groups discharge equipment is arranged with 9 degree of intervals around oil distribution shaft 4 clockwise, 40 groups of oil extractions
Device is to be set in qually spaced on oil distribution shaft 4, and one group of discharge equipment near flow-dividing bin 8 is first group of oil extraction
Device, adjacent with first group of discharge equipment for second group of discharge equipment, adjacent with second group of discharge equipment
Being the 3rd group of discharge equipment, by that analogy until the 40th group of discharge equipment, the 40th group of discharge equipment is close
Oil-in 17；Wherein, first group of discharge equipment rotates 9 degree in the counterclockwise direction around oil distribution shaft 4, is
The setting direction of the second group of discharge equipment being adjacent, second group of discharge equipment is around oil distribution shaft 4 along the inverse time
Pin direction rotates 9 degree, is the setting direction of the 3rd group of discharge equipment being adjacent, by that analogy, front
One group of discharge equipment rotates 9 degree in the counterclockwise direction around oil distribution shaft 4 and is setting of its later group discharge equipment
Putting direction, such set-up mode makes all plungers staggered, makes hydraulic energy uniformly produce, makes simultaneously
The effect of variable regulation more equalizes.
Housing 3 is provided with near turbine 10 one end and organizes oil-out more, oil-out and the oil-in 17 of oil inlet pipe 5
Connecting 26 by circulation line, repairing unit connects with circulation line 26.
The above and embodiment only in order to the technical solution of the utility model to be described, are not intended to limit, this
The protection domain of utility model is not limited to this, and any those familiar with the art is at this utility model
In the technical scope disclosed, simple change or the equivalence of the technical scheme that can become apparent to are replaced, all
Belong to protection domain of the present utility model.
Claims (5)
1. the Hydrodynamic transmission for all-hydraulic Wind turbine, it is characterised in that include that housing (3) and energy transfer unit, described energy transfer unit are placed in described housing (3)；
Described energy transfer unit includes flow-dividing bin (8), guide wheel (9), turbine (10) and the turbine wheel shaft (11) that oil distribution shaft (4) is sequentially connected with described oil distribution shaft (4) one end end face, the other end of the corresponding described oil distribution shaft of described housing (3) (4) is provided with opening, and one end of the corresponding described turbine wheel shaft of described housing (3) (11) is provided with opening；
Described oil distribution shaft (4) is axially inside provided with oil inlet pipe (5) and flowline (6), described flowline (6) connects with described flow-dividing bin (8), described oil distribution shaft (4) is axially inside provided with organizes discharge equipment more, often group discharge equipment place plane and described oil distribution shaft (4) is axially vertical, often group discharge equipment includes the multiple plungers (14) being uniformly arranged, and the cavity of described plunger (14) connects with described oil inlet pipe (5) and described flowline (6)；
Described housing (3) is provided with near described turbine (10) one end and organizes oil-out more, and described oil-out is connected by circulation line (26) with the oil-in (17) of described oil inlet pipe (5).
Hydrodynamic transmission the most according to claim 1, it is characterised in that described oil distribution shaft (4), guide wheel (9), turbine (10) and turbine wheel shaft (11) are all coaxially disposed.
Hydrodynamic transmission the most according to claim 1, it is characterised in that described discharge equipment has 40 groups, often group discharge equipment includes 9 plungers (14).
Hydrodynamic transmission the most according to claim 3, it is characterized in that, the cavity of each plunger (14) is all connected with described oil inlet pipe (5) by the first check valve (33), the cavity of each plunger (14) is all connected with described flowline (6) by the second check valve (34), and described first check valve (33) and described second check valve (34) are in opposite direction.
Hydrodynamic transmission the most according to claim 4, it is characterized in that, described 40 groups of discharge equipments are to be set in qually spaced on described oil distribution shaft (4), one group of discharge equipment near described flow-dividing bin (8) is first group of discharge equipment, adjacent with described first group of discharge equipment for second group of discharge equipment, described first group of discharge equipment rotates 9 degree in the counterclockwise direction around described oil distribution shaft (4), it is the setting direction of the second group of discharge equipment being adjacent, by that analogy, previous group discharge equipment rotates 9 degree of setting directions being its later group discharge equipment in the counterclockwise direction around described oil distribution shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293166.1U CN205479226U (en) | 2016-04-03 | 2016-04-03 | A hydraulic derailleur for all -hydraulic wind -force unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293166.1U CN205479226U (en) | 2016-04-03 | 2016-04-03 | A hydraulic derailleur for all -hydraulic wind -force unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479226U true CN205479226U (en) | 2016-08-17 |
Family
ID=56644998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620293166.1U Expired - Fee Related CN205479226U (en) | 2016-04-03 | 2016-04-03 | A hydraulic derailleur for all -hydraulic wind -force unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479226U (en) |
-
2016
- 2016-04-03 CN CN201620293166.1U patent/CN205479226U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170403 |