CN206571913U - Multistage adjustable speed gear-box and wind-driven generator - Google Patents
Multistage adjustable speed gear-box and wind-driven generator Download PDFInfo
- Publication number
- CN206571913U CN206571913U CN201720315395.3U CN201720315395U CN206571913U CN 206571913 U CN206571913 U CN 206571913U CN 201720315395 U CN201720315395 U CN 201720315395U CN 206571913 U CN206571913 U CN 206571913U
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- China
- Prior art keywords
- gear
- box
- train
- connecting portion
- adjustable speed
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- 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
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Classifications
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- 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
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- Wind Motors (AREA)
Abstract
The utility model provides a kind of multistage adjustable speed gear-box and wind-driven generator, belongs to wind power generation field.The gear-box includes multiple cyclic trains and clamping device.The gear ring of cyclic train and the inwall of casing are rotatably connected.Clamping device is arranged on gear ring in the inwall junction of casing, can both relative rotations now.Clamping device is controlled when using so that gear ring and connecting portion are clamped or unclamped by clamping device, so that the connected mode between gear ring and casing be switched between being rotatably connected and being fixedly connected.By changing above-mentioned connected mode, cyclic train can accordingly become planetary gear train or differential gear train, so as to change the gearratio of gear-box.Wind-driven generator is employed after said gear case, when wheel speed is too high or too low, by changing gearratio gearbox output shaft just can be made to export suitable rotating speed, it is ensured that wind-driven generator normal rotation generates electricity.
Description
Technical field
The utility model is related to wind power generation field, is sent out in particular to a kind of multistage adjustable speed gear-box and wind-force
Motor.
Background technology
As non-renewable energy resources are fewer and fewer, renewable new energy technology is widely popularized in world's research field.
Wind energy is a kind of clean regenerative resource, have the advantages that it is inexhaustible, nexhaustible, environment will not be polluted.With
Greatly promoting for the reaching its maturity of wind power technology, the continuous improvement of wind power product quality and generator power, wind-powered electricity generation has had
For the condition of large-scale development.
Wind-driven generator, is rotated generally by wind action impeller, but the velocity of rotation of impeller is difficult to drive
TRT normal work, therefore need to set gear speedup case between fan blade and TRT.The MW class wind commonly used at present
Power generator gear-box mostly adds two-stage level Gear Planet Transmission using one-level dead axle, and Transmission Ratio of Planetary Gear Trains is big, and volume compact is applicable
In large-scale wind driven generator gear speedup case.But, after gear speedup case is machined, its gearratio can not change, and work as wind
Speed it is smaller when, the smaller still not nearly enough TRT of the output speed after gear speedup case accelerates of rotating speed of input shaft it is specified
Power, such TRT cannot normal power generation.
The multistage adjustable speed gear-box that a kind of gearratio can change is provided, this has for the development of wind-power electricity generation compares
Important realistic meaning.
Utility model content
The purpose of this utility model is the provision of a kind of multistage adjustable speed gear-box, and it can be according to practical service environment
To adjust gearratio.
Another object of the present utility model is to provide a kind of wind-driven generator, and which employs above-mentioned multistage adjustable speed gear
Case, therefore can adjust gearratio according to the size of wheel speed, so as to ensure by after speedup, gearbox output shaft turns
Speed can drive TRT normal work.
What the utility model was realized in：
A kind of multistage adjustable speed gear-box, including：
Casing, the casing is internally provided with connecting portion, and the connecting portion is fixedly connected with the inwall of the casing；
Cyclic train, including gear ring, the gear ring are rotatably connected with the connecting portion；
Fixed shaft gear train, the input shaft of the fixed shaft gear train and the output shaft of cyclic train are connected；
Clamping device, including the first clamping disk and second clamp disk, and described first, which clamps disk and described second, clamps disk phase
Junction to being disposed on the gear ring and the casing；
The first clamping disk and the second clamping disk can clamp the connecting portion and the gear ring to limit
State rotation of the gear ring relative to the connecting portion.
Preferably, the gear-box includes three cyclic trains, the output shaft of three cyclic train with it is adjacent
Gear train input shaft connection.
Preferably, the gear-box also includes controller；
The clamping device be electromagnetic clamp structure, it is described first clamp disk and it is described second clamp disk include clamping plate and
Electromagnet, the clamping plate and electromagnet connection；
The controller is connected with the clamping device, energization and power-off for controlling the clamping device.
Preferably, the connecting portion is annular round, the periphery of the inner peripheral surface of the connecting portion and the gear ring
Between be provided with multiple rolling elements, the connecting portion is rotatably connected by the rolling element with the gear ring.
Preferably, the gear-box also includes retainer, the retainer is arranged on the connecting portion and the gear ring
Between, the rolling element is arranged in the retainer.
Preferably, the gear-box also includes speed probe, the speed probe is used to determine the gear-box
Input shaft rotating speed, the speed probe is connected with the controller.
Preferably, the first clamping disk and the second clamping disk are connected by compression spring.
Preferably, the clamping device also includes locating shaft and pilot sleeve；
The locating shaft parallel to the gear axis and be connected with the inwall of the casing, the pilot sleeve and institute
Locating shaft is stated to be slidably connected；
The pilot sleeve is connected with the clamping plate.
Preferably, the gear-box also includes fixed shaft gear train, the input shaft of the fixed shaft gear train and the cyclic train
Output shaft connection.
A kind of wind-driven generator, the wind-driven generator includes TRT and described multistage adjustable speed gear-box, institute
The input shaft for stating TRT is connected with the output shaft of the gear-box.
The beneficial effects of the utility model are：Multistage adjustable speed gear-box that the utility model is obtained by above-mentioned design and
Wind-driven generator, controls clamping device so that gear ring and connecting portion are clamped or unclamped by clamping device when using, so that by tooth
Circle is switched over the connected mode between casing between being rotatably connected and being fixedly connected.By changing above-mentioned connection side
Formula, cyclic train can accordingly become planetary gear train or differential gear train, so as to change the gearratio of gear-box.
Brief description of the drawings
, below will be to required in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work,
Other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the axonometric drawing for the gear-box that the utility model embodiment 1 is provided；
Fig. 2 is each gearbox principle figure of gear-box that the utility model embodiment 1 is provided；
Fig. 3 is the sectional view for the gear-box that the utility model embodiment 1 is provided；
Fig. 4 is the sectional view of B-B in Fig. 3 that the utility model embodiment 1 is provided；
Fig. 5 is the partial enlarged drawing of B in Fig. 4 that the utility model embodiment 1 is provided；
Fig. 6 is the sectional view of A in Fig. 3 that the utility model embodiment 1 is provided；
Fig. 7 is the sectional view of B-B in Fig. 3 that the utility model embodiment 1 is provided；
Fig. 8 is that the utility model embodiment 1 provides electrical schematic diagram.
Icon：100- gear-boxes；110- casings；112- connecting portions；1122- rolling elements；114- drive end bearing brackets；116- rear ends
Lid；118- dividing plates；120- cyclic trains；122- gear rings；130- clamping devices；131- first clamps disk；132- second clamps disk；
134- compression springs；136- locating shafts；138- pilot sleeves；140- controllers；150- speed probes；160- fixed shaft gear trains.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, and shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in new, it is every 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 the utility model protection.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings, which is not intended to limit, wants
The scope of the present utility model of protection is sought, but is merely representative of selected embodiment of the present utility model.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Mode, belongs to the scope of the utility model protection.
In description of the present utility model, it is to be understood that the term of indicating position or position relationship is based on accompanying drawing
Shown orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply institute
The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality
With new limitation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter
Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or implying relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.As " level " only refers to that its direction, with respect to more level for " vertical ", is not the expression structure
Must be fully horizontal, but can be slightly tilted.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is on or below second feature
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Directly over two features and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature is special second
Under levying, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Highly it is less than second feature.
Embodiment 1：
A kind of gear-box 100 is present embodiments provided, the gear-box 100 is multistage adjustable speed gear-box 100.Such as Fig. 1 and
Fig. 2, gear-box 100 includes casing 110, three cyclic trains 120 and a fixed shaft gear train 160.Cyclic train 120 and fixed shaft wheel
It is 160 to be arranged in casing 110, three cyclic trains 120 and fixed shaft gear train 160 are connected, i.e. the output of upper level gear train
Axle is the input shaft of next stage gear train.
Such as Fig. 2, Fig. 3 and Fig. 4, cyclic train 120 includes a planet carrier, a gear ring 122, a sun gear and one
Planetary gear, planet carrier is fixedly connected with the input shaft of cyclic train 120.The connection of annular shape is provided with the inwall of casing 110
Portion 112, connecting portion 112 is fixedly connected with casing 110.Casing 110 includes front shroud, back shroud and three dividing plates 118, above-mentioned several
Block plate parallel interval is set, and four relatively independent spaces, three cyclic trains 120 and a dead axle will be divided into casing 110
Train 160 is separately positioned in aforementioned four space.The output shaft of three cyclic train 120 can turn with three dividing plates 118 respectively
Dynamic connection, input shaft and the drive end bearing bracket 114 of gear-box 100 are rotatably connected, and output shaft is rotatably connected with rear end cap 116.
Such as Fig. 3, Fig. 4 and Fig. 5, the gear ring 122 of cyclic train 120 is rotatably connected with the connecting portion 112 of casing 110,
Multiple rolling elements 1122 are provided between the inner peripheral surface of connecting portion 112 and the outer circumference surface of gear ring 122, rolling element 1122 is installed
In retainer.Gear ring 122, rolling element 1122, retainer and circular connecting portion 112 constitute the knot similar to bearing
Structure.
Such as Fig. 2, Fig. 6 and Fig. 7, gear-box 100 also includes clamping device 130, including first clamps the clamping of disk 131 and second
Disk 132, first, which clamps disk 131 and second, clamps platy structure of the disk 132 for annular shape, and both relative spacings are set, and pass through pressure
Contracting spring 134 is connected, and both are located at the junction of gear ring 122 and casing 110.First, which clamps disk 131 and second, clamps disk
132 can clamp connecting portion 112 and gear ring 122 to limit rotation of the gear ring 122 relative to connecting portion 112.
Clamping device 130 in the present embodiment is electromagnetic type clamping device 130, and first, which clamps disk 131 and second, clamps disk
132 include clamping plate and electromagnet, and clamping plate is fixedly connected with electromagnet.Clamping device 130 also includes guide cylinder and locating shaft
136, the diameter parallel of locating shaft 136 and gear, and be connected with the inwall of casing 110, guide cylinder is slided with locating shaft 136
Coordinate, guide cylinder is also connected with Boards wall.After energization, electromagnet carries opposite magnetic, so as to attract each other, drives two
Clamping plate is close to each other to clamp gear ring 122 and connecting portion 112, so as to pass through the relative motion for both power restrictions that rubs.After power-off
Electromagnet is magnetic, and both are unclamped.By being powered and powering off the connected mode by gear ring 122 and connecting portion 112 in fixation
Switch between connecting and being rotatably connected, finally cyclic train 120 is switched between differential gear train and planetary gear train.
By repeatedly calculating and testing, the gearratio for finding planetary gear train under the same conditions is twice of differential gear train,
I.e. input speed it is constant in the case of, the output speed of planetary gear train is twice of differential gear train.Certain above-mentioned theory is to be directed to
One-level speedup cyclic train 120, the three-level cyclic train 120 that the present embodiment is used.Therefore, by by cyclic train 120 in difference
Switching can change gearratio between driving wheel system and planetary gear train.
For the ease of description, three cyclic trains 120 and a fixed shaft gear train 160 are replaced with A, B, C, D respectively.Through
Substantial amounts of experiment and data comparison are crossed, the output speed of three-level cyclic train 120 that the present embodiment is provided can be divided into eight kinds of situations：
(1) differential B planets C planets (5) A of differential differential (4) A of the differential B planets C of C planets (3) A of the differential B of differential (2) A of the differential C of the differential B of A
Differential C planets (8) the A planets B planet C planets of differential (7) the A planets B of differential (6) the A planets B planets C of the differential C of planet B.Wherein, (2)
(3) output speed of (5) is identical is classified as two grades, and the output speed of (4) (6) (7) is identical to be classified as three gears, and the output speed of (1) is most
Small to be classified as one grade, the output speed maximum of (8) is classified as four gears.The wheel train structure that the present embodiment is finally used for：One grade of differential B of A
The differential differential D dead axles of C；The two gear differential C planets D dead axles of the differential B of A；The three gear differential B planets C planets D dead axles of A；Four gear A planet B rows
Star C planet D dead axles.
Such as Fig. 2, gear-box 100 also includes controller 140 and speed probe 150, and speed probe 150 is arranged on gear
On the input shaft of case 100, the input shaft rotating speed for determining gear-box 100, and signal is transmitted to controller 140,140 points of controller
Do not electrically connected with clamping device 130, energization and power-off for controlling three clamping devices 130 respectively.Turning in the present embodiment
Fast sensor 150 is commonplace in the prior art, is not described in detail.
Such as Fig. 8, controller 140 can buy PLC system of the prior art, and specific Programming Principle is as follows：Selection is at a high speed
Counter HSC0, and determine working method 0.With initialization pulse SM0.1 call subroutines.Make SMB37=16#F8.EF is instructed,
Input HSC is that 0, MODE is 0.Load currency, make SMD38=0.Base timing setting value, makes SMB34=200 during loading.Hold
Connection breaking ATCH is instructed in row, and interrupt routine is INT0, and EVNT is 10.Performing interruption allows to instruct ENI, and base is determined during restarting
When device, remove high-speed counter currency.Execute instruction HSC is programmed and put into operation to high-speed counter, and input value IN is
0.Within this cycle, rotating speed grade is judged, the coil Q0.0 if rotating speed is 0-10r/min, Q0.1, Q0.2 performs set and referred to
Order, coil Q0.0 performs reset instruction if rotating speed is 11-20r/min, and Q0.1, Q0.2 performs set command, if rotating speed
For 21-42r/min then coil Q0.0, Q0.1 execution reset instructions, Q0.2 performs set command, if rotating speed is 43-80/min
Then coil Q0.0, Q0.1, Q0.2 perform reset instruction.
The operation principle of whole gear-box 100 is as follows, and the input shaft of gear-box 100 is determined first with speed probe 150
Rotating speed, when rotating speed is too small, the rotating speed model is transmitted to controller 140, and controller 140, which passes through, changes three clamping devices 130
Working condition come by improving gear, so as to improve the rotating speed of output shaft；When rotating speed is too high, reduced by reducing gear
The rotating speed of output shaft.
It should be noted that the present embodiment is preferred embodiment, in other embodiments, clamping device 130 can be used
Other structures, for example, can use bolt that the first clamping clamping disk 132 of disk 131 and second is fastened or unclamped；Or
Multiple fixed shaft gear trains 160 can also be set.
Embodiment 2：
Present embodiments provide the gear-box in a kind of wind-driven generator, including TRT, wind wheel and embodiment 1
100.Wind wheel is connected with the input shaft of gear-box 100, and the output shaft of gear-box 100 is connected with TRT.TRT can be with
Using generating equipment of the prior art, it is not described further.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for
For those skilled in the art, the utility model can have various modifications and variations.It is all in spirit of the present utility model and former
Within then, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of multistage adjustable speed gear-box, it is characterised in that including：
Casing, the casing is internally provided with connecting portion, and the connecting portion is fixedly connected with the inwall of the casing；
Cyclic train, including gear ring, the gear ring are rotatably connected with the connecting portion；
Fixed shaft gear train, the input shaft of the fixed shaft gear train and the output shaft of cyclic train are connected；
Clamping device, including the first clamping disk and second clamp disk, between described first clamps disk and the second clamping disk relatively
Every the junction for being arranged on the gear ring and the casing；
The first clamping disk and the second clamping disk can clamp the connecting portion and the gear ring to limit the tooth
Enclose the rotation relative to the connecting portion.
2. multistage adjustable speed gear-box according to claim 1, it is characterised in that the gear-box includes three turnovers
Train, the output shaft of three cyclic train is connected with the input shaft of adjacent gear train.
3. multistage adjustable speed gear-box according to claim 1, it is characterised in that the gear-box also includes controller；
The clamping device is electromagnetic clamp structure, and described first, which clamps disk and described second, clamps disk including clamping plate and electromagnetism
Iron, the clamping plate and electromagnet connection；
The controller is connected with the clamping device, energization and power-off for controlling the clamping device.
4. multistage adjustable speed gear-box according to claim 1, it is characterised in that the connecting portion is annular round, institute
State and multiple rolling elements are provided between the inner peripheral surface of connecting portion and the periphery of the gear ring, the connecting portion passes through the rolling
Kinetoplast is rotatably connected with the gear ring.
5. multistage adjustable speed gear-box according to claim 4, it is characterised in that the gear-box also includes retainer,
The retainer is arranged between the connecting portion and the gear ring, and the rolling element is arranged in the retainer.
6. multistage adjustable speed gear-box according to claim 3, it is characterised in that the gear-box also includes revolution speed sensing
Device, the speed probe is used for the rotating speed for determining the input shaft of the gear-box, the speed probe and the controller
Connection.
7. multistage adjustable speed gear-box according to claim 1, it is characterised in that described first clamps disk and described second
Disk is clamped to connect by compression spring.
8. multistage adjustable speed gear-box according to claim 6, it is characterised in that the clamping device also includes locating shaft
And pilot sleeve；
The locating shaft parallel to the gear axis and be connected with the inwall of the casing, the pilot sleeve with it is described fixed
Position axle is slidably connected；
The pilot sleeve is connected with the clamping plate.
9. multistage adjustable speed gear-box according to claim 1, it is characterised in that the gear-box also includes fixed shaft wheel
System, the input shaft of the fixed shaft gear train is connected with the output shaft of the cyclic train.
10. a kind of wind-driven generator, it is characterised in that the wind-driven generator includes TRT and claim 1 to 9 is any
Multistage adjustable speed gear-box described in, the input shaft of the TRT is connected with the output shaft of the gear-box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315395.3U CN206571913U (en) | 2017-03-28 | 2017-03-28 | Multistage adjustable speed gear-box and wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315395.3U CN206571913U (en) | 2017-03-28 | 2017-03-28 | Multistage adjustable speed gear-box and wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571913U true CN206571913U (en) | 2017-10-20 |
Family
ID=60053414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720315395.3U Expired - Fee Related CN206571913U (en) | 2017-03-28 | 2017-03-28 | Multistage adjustable speed gear-box and wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958457A (en) * | 2021-09-17 | 2022-01-21 | 华电国际宁夏新能源发电有限公司 | Wind-powered electricity generation field computer monitored control system based on novel wind-powered electricity generation machine |
-
2017
- 2017-03-28 CN CN201720315395.3U patent/CN206571913U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958457A (en) * | 2021-09-17 | 2022-01-21 | 华电国际宁夏新能源发电有限公司 | Wind-powered electricity generation field computer monitored control system based on novel wind-powered electricity generation machine |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20180328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |