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.
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.