CN206000687U - Wind power speed-increasing transmission device and wind power generating set - Google Patents

Wind power speed-increasing transmission device and wind power generating set Download PDF

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Publication number
CN206000687U
CN206000687U CN201620840815.5U CN201620840815U CN206000687U CN 206000687 U CN206000687 U CN 206000687U CN 201620840815 U CN201620840815 U CN 201620840815U CN 206000687 U CN206000687 U CN 206000687U
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transmission
wind power
gear
transmission device
group
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CN201620840815.5U
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Chinese (zh)
Inventor
李东
熊顺
周诗纬
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Sany Renewable Energy Co Ltd
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Sany Heavy Energy Equipment Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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Abstract

The utility model provides a kind of wind power speed-increasing transmission device and wind power generating set, to solve the problems, such as that existing wind power speed-increasing transmission device has transmission stability difference and high cost.The wind power speed-increasing transmission device is included to clutch end successively by power intake:Ring gear;Primary transmission gear, is engaged with the ring gear;Secondary transmission gear, is connected by determining power transmission shaft with the primary transmission gear.The wind power speed-increasing transmission device is installed in wind power generating set, is converted into low torque, high rotating speed kinetic energy for the high pulling torque that is input into wind wheel, slow-speed of revolution kinetic energy.

Description

Wind power speed-increasing transmission device and wind power generating set
Technical field
The utility model is related to technical field of wind power generation, especially relates to a kind of wind power speed-increasing transmission device and wind-force is sent out Group of motors.
Background technology
Wind power speed-increasing gearbox is the gear-box in wind power generating set for speedup, because the rotating speed of wind wheel is relatively low, the slow-speed of revolution Far below the rotating speed required by generator, therefore, it is that the power for producing wind wheel under wind-force effect is transferred to generator and makes Which obtains corresponding rotating speed to meet the use requirement of generator, and wind power speed-increasing gearbox is applied to wind-power electricity generation by those skilled in the art In unit, realize the high pulling torque of wind wheel input, slow-speed of revolution kinetic energy are converted into the purpose of low torque, high rotating speed kinetic energy.
In prior art, wind power speed-increasing transmission device has single shaft output type and multiaxis output type.
Single shaft output type typically coordinates transmission using planet circular system with fixed shaft gear train, for high-power wind power generation power train System, single shaft power output are restricted, and the way of output certainly will require that generator possesses sufficiently large size, oversized by increasing Plus manufacture difficulty and the cost of generator, while maintenance, assembling process are also relatively difficult to;In addition, being carried out using planet circular system Transmission need to consider all loads problem between each planet, i.e. realize all carrying the manufacture to parts such as gearbox internal gear, planet carriers The requirement of precision and assembly precision is higher, increases manufacture difficulty and cost further.
Multiaxis output type is driven using double crosslinking gear shaft, and by taking immediate prior art as an example, (number of patent application is 201310587026.6), wind power speed-increasing machine disclosed in this application is with input gear axle, double crosslinking gear shaft and output gear shaft as passing Dynamic chain, input gear are external toothing with duplicate gear, duplicate gear and output gear, and the contact force between meshing gear is unstable Fixed, and Wind turbines are arranged at the air port such as high mountain, wilderness, seabeach and island throughout the year, by the wind of irregular break-in varying duty Power effect and the impact of strong gusts of wind, gear-driven low stability cannot ensure the smooth working of gear-box, and gear-box Anti-vibration and shock resistance.
To sum up, there is transmission stability difference and high cost in the wind power speed-increasing transmission device of prior art.
Utility model content
The purpose of this utility model is to provide a kind of wind power speed-increasing transmission device, to solve existing wind power speed-increasing transmission dress Put and there is transmission stability difference and high cost.
For reaching above-mentioned purpose, the utility model embodiment is employed the following technical solutions:
A kind of wind power speed-increasing transmission device, ultromotivity input include successively to clutch end:Ring gear;Primary transmission Gear, is engaged with the ring gear;Secondary transmission gear, is connected by determining power transmission shaft with the primary transmission gear.
Further, the primary transmission gear, described determine power transmission shaft and the secondary transmission gear is formed and determines transmission group, Multistage described determine transmission group and be meshed successively to form one group of driving-chain.
Further, the driving-chain is multigroup, and multigroup driving-chain is uniformly distributed along the inner circumferential of the ring gear.
Preferably, the series of driving-chain described in single group is 2-4 level.
Preferably, the group number of the driving-chain is 3-6 group.
Used as the improvement further of technique scheme, the wind power speed-increasing transmission device also includes Multi-stage box, from institute Power intake is stated to clutch end, the Multi-stage box is detachably connected to the superlative degree successively by lowermost level, the internal tooth Circle and multigroup driving-chain are all installed in the Multi-stage box.
Further, in the highest casing of the Multi-stage box, installing described determines transmission in highest and second advanced Group;And, the number of the superlative degree casing is identical with the group number of the driving-chain.
Preferably, the primary transmission gear is determined power transmission shaft and is integrally molded so as one-stage gear axle, the one-level tooth with described Wheel shaft is connected to be formed with the secondary transmission gear described determines transmission group.
Further, described determine the output shaft that power transmission shaft is the transmission device.
The wind power speed-increasing transmission device that the utility model is provided is installed in wind power generating set, makes the wind wheel wheel of unit Axle is in transmission connection with the ring gear of the device, so that the generator amature of unit is connected with the transmission shaft driven of determining of the device, is used When extraneous wind drive wind wheel wheel shaft rotation, wheel shaft synchronously drives ring gear to realize power input, and the power is via determining power transmission shaft Generator is transferred to for generating electricity.
Compared to existing multiaxis output type transmission device, the transmission device that the utility model is provided is realized using ring gear Power is input into, and substitutes existing external toothing input mode, and ring gear input can meet the use requirement of big speed ratio, while can protect Contact stabilization between card meshing gear and the bending fatigue strength of raising gear, and then ensure that the transmission of whole driving-chain is steady Qualitative, as wind wheel is for a long time by the wind-force effect of irregular break-in varying duty and impacting for strong gusts of wind, ring gear input mode can Ensure long-term smooth work and its anti-vibration and the shock resistance of gear-box, extend the service life of gear-box.
Compared to existing single shaft output type transmission device, the transmission device that the utility model is provided adopts ring gear and determines The mode that power transmission shaft is combined, substitutes the mode combined by existing planet circular system with fixed shaft gear train, all carries problem without the need for consideration, without the need for peace Dress load balancing mechanism and planet carrier, the simplifying the structure of whole device, the convenience of installation and maintenance operation is improved, the manufacture of each gear Precision and installation accuracy require low, and then manufacture difficulty and low cost;In addition, the transmission device that the utility model is provided can be simultaneously External multiple generators, realize high-power output, and the less generator of size can also meet its use requirement.
Another object of the present utility model is to provide a kind of wind power generating set, and the wind power generating set includes wind Wheel, generator and wind power speed-increasing transmission device as above, the internal tooth of the wheel shaft of the wind wheel and the transmission device Circle is in transmission connection, and the described of the rotor of the generator and the transmission device is determined transmission shaft driven and be connected.
Above-mentioned wind power generating set is same as above-mentioned wind power speed-increasing transmission device and compares compared to the beneficial effect of prior art In the beneficial effect of prior art, here is omitted.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new The schematic description and description of type is used for explaining the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings:
The installation diagram of the wind power speed-increasing transmission device that Fig. 1 is provided for the utility model embodiment.
Reference:
1- ring gear, 2- one-stage gear axle, 3- secondary transmission gear, 4- clutch shaft bearing, 5- left end bearing, 6- right-hand member axle Hold, 7- input shaft;
Power transmission shaft determined by 21- primary transmission gear, 22-;
I-one-level determines transmission group, and II-two grade is determined transmission group, and III-three-level determines transmission group, and VI-level Four determines transmission group;
A- one-level casing, bis- grades of casings of B-, C- three-level casing.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the utility model and the feature in embodiment can To be mutually combined.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection;Can be mechanically connected, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
Fig. 1 is referred to, using the transmission device shown in Fig. 1 as specific embodiment of the utility model, the embodiment is provided Device ultromotivity input include to clutch end successively:Ring gear 1, one-stage gear axle 2 and secondary transmission gear 3, its In, one-stage gear axle 2 by primary transmission gear 21 and is determined power transmission shaft 22 and is integrally formed to constitute, the primary transmission gear 21 and internal tooth Circle 1 is engaged, and secondary transmission gear 3 is connected by determining power transmission shaft 22 with primary transmission gear 21.
Above-mentioned wind power speed-increasing transmission device is installed in wind power generating set, makes wind wheel wheel shaft and the device of unit Ring gear 1 is in transmission connection by input shaft 7, so that the generator amature of unit is in transmission connection with the power transmission shaft 22 of determining of the device, is made Used time external world's wind drive wind wheel wheel shaft rotation, wheel shaft synchronously drive ring gear 1 to realize power input, and the power is via determining transmission Axle 22 is transferred to generator for generating electricity.
Further, primary transmission gear 21, determine power transmission shaft 22 and secondary transmission gear 3 and formed to determine transmission group, multistage fixed Transmission group is meshed to form one group of driving-chain successively, and the driving-chain is multigroup, and multigroup driving-chain uniformly divides along the inner circumferential of ring gear 1 Cloth, the output end of multigroup driving-chain are simultaneously connected with multiple generators by shaft coupling, to realize high-power output, meet high-power The use requirement of generating set.
On the basis of this, above-mentioned wind power speed-increasing transmission device also includes Multi-stage box, ultromotivity input to clutch end, Multi-stage box is detachably connected to the superlative degree successively by lowermost level, and ring gear 1 and multigroup driving-chain are all installed in the multistage case In vivo, in the highest casing of the Multi-stage box, installing determines transmission group in highest and second advanced;And, highest casing Number is identical with the group number of driving-chain.
Specifically, in Fig. 1 shown device, to determine the be meshed successively driving-chain that formed of transmission group be 4 groups by multistage, and single group is passed The series of dynamic chain is 4 grades, and ultromotivity input to clutch end, single group driving-chain include that the one-level being meshed successively is driven surely I, two grades of group determines that transmission group II, three-level determines transmission group III and level Four determines transmission group VI;Determining transmission group per one-level all includes that one-level is passed Moving gear 21, determine power transmission shaft 22 and secondary transmission gear 3, primary transmission gear 21 is with secondary transmission gear 3 by determining power transmission shaft 22 connections.
Further, one-level determines the primary transmission gear 21 of transmission group I and the ring gear of the device engages 1, ring gear 1 with The input shaft connection of the device, realizes the purpose by ring gear input power;Determine transmission group II at two grades to be driven to level Four surely In group VI, next stage determine the primary transmission gear 21 of transmission group and upper level is determined the secondary transmission gear 3 of transmission group and engaged, realization Power transmission process, the power transmission shaft 22 of determining for finally determining transmission group VI by level Four export power.
In the embodiment, 4 groups of the group number of driving-chain, therefore, in the output end of 4 groups of driving-chains, all can connect generator, The device can connect 4 generators simultaneously, compared to existing single shaft output type transmission device, its output power, can meet The use requirement of Electricity Generation unit, meanwhile, the size of required generator need not be large, and the generator of reduced size can also be expired Its use of foot, reduces manufacture difficulty and the cost of generator indirectly, and facilitation is also realized in the dismounting maintenance of generating set.
In the embodiment not be given, driving-chain is preferably 3 groups, 5 groups or 6 groups, is usually no more than 6 groups, more than 6 groups The structure of transmission device is excessively complicated, is unfavorable for dismounting and keeps in repair.On the basis of this, in the embodiment not be given, according to reality The difference of required gearratio, the series of single group driving-chain is preferably 2 grades or 3 grades.
The utility model is not done to the transmission chain group number of provided wind power speed-increasing transmission device and the series of single group driving-chain Concrete regulation.The group number of driving-chain is different, then the complicated integral structure degree of said apparatus and power output difference;Single group is driven The series of chain is different, then gearratio during said apparatus transmission power is different, actually used in, can consider power demand and Gearratio is chosen or is designed.
Especially, determine in transmission group II at two grades, power transmission shaft 22 is determined by the Left Drive axle by spline connection and right transmission Axle constitutes, and primary transmission gear 21 is integrally molded so as one-stage gear axle 2 with Left Drive axle.
For above-mentioned Multi-stage box, the Multi-stage box of Fig. 1 institute offer device include one-level casing A, two grades of casing B and Three-level casing C, wherein three-level casing C are highest casing, ultromotivity input to clutch end, one-level casing A, two grades of casees Body B and three-level casing C are detachably connected successively, in order to dismount and subsequent maintenance said apparatus, simplify dismounting and maintenance operation Process.
Wherein, installing ring gear 1 in one-level casing A, and one-level determines the one-stage gear axle 2 in transmission group I.
In two grades of casing B, installing one-level determines the secondary transmission gear 3 in transmission group I, and two grades are determined in transmission group II Primary transmission gear 21 and Left Drive axle.
In three-level casing C, in addition to installing three-level determines transmission group III and level Four determines transmission group VI, two grades of fixed biographies are also equiped with The right power transmission shaft of dynamic group II.
Also, one-level casing is one, two grades of casings are one, and three-level casing is 4, i.e. the number of three-level casing with The group number of driving-chain is identical, in order in the five-star shaft coupling that determines between transmission group and generator in separate In space.
To ring gear therein, each gear and each need to determine power transmission shaft and carry out axially position and radially using above-mentioned transmission device Positioning, please continue to refer to Fig. 1, in the present embodiment, is arranged with clutch shaft bearing 4, realizes the radial direction to ring gear fixed on ring gear 1 Position, the end cap of clutch shaft bearing 4 are connected with the first casing A, realize the axially position to ring gear.
Determine in transmission group I in one-level, the gear both sides of one-stage gear axle 2 are arranged with left end bearing 5 and right-hand member bearing respectively 6, to realize radial positioning, the left end bearing 5 is connected with the first casing A, realizes the axially position to the gear shaft.
Determine in transmission group II at two grades, the gear both sides of one-stage gear axle 2 are arranged with left end bearing 5 and right-hand member bearing respectively 6, to realize radial positioning, the right-hand member bearing 6 is connected with the second casing B, to realize axially position.
Determine in transmission group III, VI in three to level Four, the gear both sides of one-stage gear axle 2 are arranged with 5 He of left end bearing respectively Right-hand member bearing 6, to realize radial positioning, two right-hand member bearings 6 are all connected with the 3rd casing, to realize axially position.
As for each installing mode for determining transmission group and each bearing in Multi-stage box, above-described embodiment has been merely given as wherein A kind of attainable concrete mode, during actual design, can limit to the series of casing according to the arrangement form of whole driving-chain Fixed, and the installation position of each Limit Bearing is flexibly set.
Compared to existing multiaxis output type transmission device, the transmission device that this specific embodiment is provided adopts ring gear reality Existing power input, substitutes existing external toothing input mode, and ring gear input can meet the use requirement of big speed ratio, while can Ensure the contact stabilization between meshing gear and the bending fatigue strength of gear is improved, and then ensure the transmission of whole driving-chain Stability, as wind wheel is for a long time by the wind-force effect of irregular break-in varying duty and impacting for strong gusts of wind, ring gear input mode Long-term smooth work and its anti-vibration and the shock resistance of gear-box can be ensured, extend the service life of gear-box.
Compared to existing single shaft output type transmission device, the transmission device that the utility model is provided adopts ring gear and determines The mode that power transmission shaft is combined, substitutes the mode combined by existing planet circular system with fixed shaft gear train, all carries problem without the need for consideration, without the need for peace Dress load balancing mechanism and planet carrier, the simplifying the structure of whole device, the convenience of installation and maintenance operation is improved, the manufacture of each gear Precision and installation accuracy require low, and then manufacture difficulty and low cost;In addition, the transmission device that the utility model is provided can be simultaneously External multiple generators, realize high-power output, and the less generator of size can also meet its use requirement.
The another object of the present embodiment is to provide a kind of wind power generating set, the wind power generating set include wind wheel, Generator and wind power speed-increasing transmission device as above, the wheel shaft of the wind wheel are passed with the ring gear of the transmission device It is dynamically connected, the described of the rotor of the generator and the transmission device is determined transmission shaft driven and be connected.
Specifically, generator amature is connected by shaft coupling with the power transmission shaft of determining of above-mentioned transmission device, to realize correction Purpose.
Above-mentioned wind power generating set is same as above-mentioned wind power speed-increasing transmission device and compares compared to the beneficial effect of prior art In the beneficial effect of prior art, here is omitted.
Preferred embodiment of the present utility model is the foregoing is only, not in order to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent substitution and improvement that is made etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of wind power speed-increasing transmission device, it is characterised in that ultromotivity input includes successively to clutch end:
Ring gear (1);
Primary transmission gear (21), is engaged with the ring gear (1);
Secondary transmission gear (3), is connected by determining power transmission shaft (22) with primary transmission gear (21).
2. wind power speed-increasing transmission device according to claim 1, it is characterised in that primary transmission gear (21), institute State and determine power transmission shaft (22) and the secondary transmission gear (3) and formed to determine transmission group, multistage described determine transmission group and be meshed successively shape Become one group of driving-chain.
3. wind power speed-increasing transmission device according to claim 2, it is characterised in that the driving-chain is multigroup, Duo Zusuo The inner circumferential for driving-chain being stated along the ring gear (1) is uniformly distributed.
4. wind power speed-increasing transmission device according to claim 2, it is characterised in that the series of driving-chain described in single group is 2- 4 grades.
5. wind power speed-increasing transmission device according to claim 3, it is characterised in that the group number of the driving-chain is 3-6 group.
6. wind power speed-increasing transmission device according to claim 3, it is characterised in that also include Multi-stage box, from described dynamic Power input to clutch end, the Multi-stage box by lowermost level to the superlative degree be detachably connected successively, the ring gear and Multigroup driving-chain is all installed in the Multi-stage box.
7. wind power speed-increasing transmission device according to claim 6, it is characterised in that the highest casing of the Multi-stage box Interior installing described determines transmission group in highest and second advanced;And,
The number of the superlative degree casing is identical with the group number of the driving-chain.
8. wind power speed-increasing transmission device according to claim 1, it is characterised in that primary transmission gear (21) and institute State and determine power transmission shaft (22) and be integrally molded so as one-stage gear axle (2), one-stage gear axle (2) and secondary transmission gear (3) Connection is formed described determines transmission group.
9. wind power speed-increasing transmission device according to claim 1, it is characterised in that described determine power transmission shaft (22) for the biography The output shaft of dynamic device.
10. a kind of wind power generating set, including wind wheel and generator, it is characterised in that also include as any one of claim 1-9 Described wind power speed-increasing transmission device;
The wheel shaft of the wind wheel is in transmission connection with the ring gear (1) of the transmission device;
The described of the rotor of the generator and the transmission device is determined power transmission shaft (22) and is in transmission connection.
CN201620840815.5U 2016-08-04 2016-08-04 Wind power speed-increasing transmission device and wind power generating set Active CN206000687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620840815.5U CN206000687U (en) 2016-08-04 2016-08-04 Wind power speed-increasing transmission device and wind power generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620840815.5U CN206000687U (en) 2016-08-04 2016-08-04 Wind power speed-increasing transmission device and wind power generating set

Publications (1)

Publication Number Publication Date
CN206000687U true CN206000687U (en) 2017-03-08

Family

ID=58198973

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620840815.5U Active CN206000687U (en) 2016-08-04 2016-08-04 Wind power speed-increasing transmission device and wind power generating set

Country Status (1)

Country Link
CN (1) CN206000687U (en)

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CP01 Change in the name or title of a patent holder

Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing

Patentee after: Sany Heavy Energy Co.,Ltd.

Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing

Patentee before: SANY HEAVY ENERGY Co.,Ltd.

Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing

Patentee after: SANY HEAVY ENERGY Co.,Ltd.

Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing

Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd.

CP01 Change in the name or title of a patent holder