Utility model content
The utility model provides a kind of lubricant oil road structure of wind turbine gearbox, adopts the following technical scheme that:
A kind of lubricant oil road structure of wind turbine gearbox, comprising: planetary gear, planet wheel bearing, pin shaft, planet carrier, the sun
Wheel, inner tube axis and outer axial tube;Planetary gear is rotatablely connected by planet wheel bearing to pivot pin;Pivot pin is connected to planet carrier;Planetary gear
It is engaged with sun gear;Sun gear is set in the periphery of outer axial tube;Outer axial tube is set in the periphery of inner tube axis and is fixed to inner tube axis;
Planet carrier drives inner tube axis and outer axial tube rotation;The Oil Guide road of guiding lubricating oil flow is formed between outer axial tube and inner tube axis;
The lubricant oil road structure of wind turbine gearbox is equipped with for the lubricating oil in Oil Guide road to be directed to planet wheel bearing to be lubricated
The first lubricating pipe and the position of engagement for the lubricating oil in Oil Guide road to be directed to sun gear and planetary gear to moisten
The second sliding lubricating pipe;First lubricating pipe includes: the first oil leab, the second lubricating oil successively to circulate for lubricating oil
Road, third oil leab and the 4th oil leab;Second lubricating pipe includes: the 5th oil leab successively to circulate for lubricating oil
With the 6th oil leab;Outer axial tube is formed with the first oil leab and the 5th oil leab;First oil leab and the 5th lubrication
Oil duct is connected to Oil Guide road;Sun gear is formed with the second oil leab and the 6th oil leab;Planet carrier is formed with third lubrication
Oil duct;Pin shaft is formed with the 4th oil leab.
Further, the lubricant oil road structure of wind turbine gearbox further include: for by the lubricating oil in the first oil leab
It is directed into the first slip ring of the second oil leab;First oil leab is connected to the second oil leab by the first slip ring.
Further, the lubricant oil road structure of wind turbine gearbox further include: for by the lubricating oil in the second oil leab
It is directed into the second slip ring of third oil leab;Second oil leab is connected to third oil leab by the second slip ring.
Further, the lubricant oil road structure of wind turbine gearbox further include: for by the lubricating oil in the 5th oil leab
It is directed into the third slip ring of the 6th oil leab;5th oil leab is connected to the 6th oil leab by third slip ring.
Further, outer axial tube is formed with the oil input channel for lubricating oil to be directed into Oil Guide road;Oil input channel, which is connected to, leads
Oil duct.
Further, the lubricant oil road structure of wind turbine gearbox further include: transparent cover;Transparent cover is formed with for leading lubricating oil
Enter to the transparent cover oil duct of oil input channel.
Further, the lubricant oil road structure of wind turbine gearbox further include: for the lubricating oil in oil input channel to be directed into
4th slip ring in Oil Guide road;Transparent cover oil duct is connected to oil input channel by the 4th slip ring.
Further, one end of inner tube axis and one end of outer axial tube are welded and fixed;The other end of inner tube axis and outer axial tube
The other end is welded and fixed.
Further, Oil Guide road is at central column;Central column it is closed at both ends.
The utility model is beneficial in that the inner tube axis and outer tube of the lubricant oil road structure of the wind turbine gearbox of offer
Oil Guide road is formed between axis to be directly oriented to the first lubricating pipe and the second lubricating pipe for the lubricating oil in transparent cover oil duct, from
And realize the lubrication to the position of engagement of planet wheel bearing and sun gear and planetary gear.Using this structure, by changing planet
Frame and body structure can avoid that slip ring is arranged in one end of planet carrier, be conducive to shorten entire wind turbine gearbox axial distance, subtract
Few gear-box weight, reduces cost.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of the lubricant oil road structure of wind turbine gearbox of the utility model;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Fig. 3 is enlarged drawing at C in Fig. 1;
Fig. 4 is the enlarged drawing in Fig. 1 at B.
The lubricant oil road structure 10 of wind turbine gearbox, planetary gear 11, planet wheel bearing 12, pin shaft 13, planet carrier 14, the sun
Wheel 15, inner tube axis 16, outer axial tube 17, Oil Guide road 18, the first lubricating pipe 19, the first oil leab 191, the second oil leab
192, third oil leab 193, the 4th oil leab 194, the second lubricating pipe 20, the 5th oil leab 201, the 6th lubricating oil
Road 202, the first slip ring 21, the second slip ring 22, third slip ring 23, the 4th slip ring 24, transparent cover 25, transparent cover oil duct 251, oil input channel
171。
Specific embodiment
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 4, the lubricant oil road structure 10 of a kind of wind turbine gearbox, comprising: planetary gear 11, planet wheel spindle
Hold 12, pin shaft 13, planet carrier 14, sun gear 15, inner tube axis 16 and outer axial tube 17.Planetary gear 11 passes through 12 turns of planet wheel bearing
It is dynamic to be connected to pivot pin.Pivot pin is connected to planet carrier 14.Planetary gear 11 is engaged with sun gear 15.Sun gear 15 is set in outer axial tube 17
Periphery.Outer axial tube 17 is set in the periphery of inner tube axis 16 and is fixed to inner tube axis 16.
Specifically, wind-powered electricity generation main-gear box is referred to as wind power speed-increasing gearbox.The rotation of planet carrier 14 drives pin shaft 13 to rotate,
The rotation of pin shaft 13 drives planet wheel bearing 12 to rotate, so that planetary gear 11 be driven to rotate;Planetary gear 11 is engaged with sun gear 15, row
The rotation of star-wheel 11 drives sun gear 15 to rotate.It is needed in wind turbine gearbox operational process to planet wheel bearing 12 and sun gear
15 are lubricated with the position of engagement of planetary gear 11, to guarantee the service life of wind turbine gearbox.
As a kind of technical solution, the knot with outer axial tube 17 and inner tube axis 16 is set by the pipe axis of conventional gearbox
Structure.As a kind of mode, inner tube axis 16 and outer axial tube 17 are connected by connector with planet carrier 14, and the rotation of planet carrier 14 drives
Inner tube axis 16 and outer axial tube 17 rotate.
Oil Guide road 18 is formed between outer axial tube 17 and inner tube axis 16 to be oriented to lubricating oil flow.The lubrication of wind turbine gearbox
Oil channel structures 10 are equipped with the first lubricating pipe 19 and the second lubricating pipe 20.First lubricating pipe 19 is used for will be in Oil Guide road 18
Lubricating oil is directed to planet wheel bearing 12 to be lubricated to planet wheel bearing 12, to guarantee the use longevity of planet wheel bearing 12
Life.Second lubricating pipe 20 be used for by the lubricating oil in Oil Guide road 18 be directed to the position of engagement of sun gear 15 and planetary gear 11 with
The second lubricating pipe 20 being lubricated.Lubricating oil is directed into the first lubricating pipe 19 and the second lubricating pipe by Oil Guide road 18
20。
As a preferred mode, outer axial tube 17 is formed with oil input channel 171.Oil input channel 171 is connected to Oil Guide road 18, with
It realizes and lubricating oil is directed into Oil Guide road 18.
As a preferred embodiment, the lubricant oil road structure 10 of wind turbine gearbox further include: transparent cover 25.Transparent cover 25
It is formed with transparent cover oil duct 251.Transparent cover oil duct 251 is connected to oil input channel 171, and lubricating oil is directed into oil input channel 171 to realize, from
And enter Oil Guide road 18.
Furtherly, the first lubricating pipe 19 includes: the first oil leab 191, second profit successively to circulate for lubricating oil
Grease way 192, third oil leab 193 and the 4th oil leab 194.Second lubricating pipe 20 includes: successively to flow for lubricating oil
The 5th logical oil leab 201 and the 6th oil leab 202.
As a preferred mode, outer axial tube 17 is formed with the first oil leab 191 and the 5th oil leab 201.The
One oil leab 191 and the 5th oil leab 201 are connected to Oil Guide road 18.Sun gear 15 is formed with 192 He of the second oil leab
6th oil leab 202.Planet carrier 14 is formed with third oil leab 193.Pin shaft 13 is formed with the 4th oil leab 194.
Specifically, enter the first oil leab 191 from Oil Guide road 18 when lubricating oil flows through the first oil leab 191, then
Followed by the second oil leab 192, third oil leab 193 and the 4th oil leab 194.4th oil leab 194 will profit
Lubricating oil is oriented to planet wheel bearing 12, to realize the lubrication to planet wheel bearing 12.Lubricating oil flows through the 5th oil leab 201
When, enter the 5th oil leab 201 from Oil Guide road 18, the 6th oil leab 202 is then entered by the 5th oil leab 201 again.
6th oil leab 202 is by the position of engagement of lubricating oil guiding sun gear 15 and planetary gear 11, to realize to sun gear 15 and row
The position of engagement of star-wheel 11 is lubricated.
As a preferred embodiment, the lubricant oil road structure 10 of wind turbine gearbox further includes the first slip ring 21.The
One slip ring 21 is used to the lubricating oil in the first oil leab 191 being directed into the second oil leab 192.First oil leab 191
The second oil leab 192 is connected to by the first slip ring 21.
Specifically, the first slip ring 21 is installed between outer axial tube 17 and sun gear 15.Since sun gear 15 is with respect to outer tube
Axis 17 moves, and can be realized the lubricating oil in the first oil leab 191 for forming outer axial tube 17 using the first slip ring 21 and imports
The second oil leab 192 formed to sun gear 15.
As a preferred embodiment, the lubricant oil road structure 10 of wind turbine gearbox further includes the second slip ring 22.The
Two slip rings 22 are used to for the lubricating oil in the second oil leab 192 being directed into the second slip ring 22 of third oil leab 193.Second
Oil leab 192 is connected to third oil leab 193 by the second slip ring 22.
Specifically, the second slip ring 22 is installed between planet carrier 14 and sun gear 15.Since sun gear 15 is with respect to planet
Frame 14 moves, and can be realized the lubricating oil in the second oil leab 192 for forming sun gear 15 using the second slip ring 22 and imports
The third oil leab 193 formed to planet carrier 14.
As a preferred embodiment, the lubricant oil road structure 10 of wind turbine gearbox further includes third slip ring 23.The
Three slip rings 23 are used to the lubricating oil in the 5th oil leab 201 being directed into the 6th oil leab 202.5th oil leab 201
The 6th oil leab 202 is connected to by third slip ring 23.
Specifically, third slip ring 23 is installed between outer axial tube 17 and sun gear 15.Since sun gear 15 is with respect to outer tube
Axis 17 moves, and can be realized the lubricating oil in the 5th oil leab 201 for forming outer axial tube 17 using third slip ring 23 and imports
The 6th oil leab 202 formed to sun gear 15.
As a preferred embodiment, the lubricant oil road structure 10 of wind turbine gearbox further includes the 4th slip ring 24.The
Four slip rings 24 are used to for the lubricating oil in oil input channel 171 being directed into the 4th slip ring 24 in Oil Guide road 18.Transparent cover oil duct 251 passes through the
Four slip rings 24 are connected to oil input channel 171.
Specifically, the 4th slip ring 24 is installed between outer axial tube 17 and transparent cover 25.Since outer axial tube 17 is relative to transparent cover
25 movements, can be realized using the 4th slip ring 24 lubricating oil in transparent cover oil duct 251 that transparent cover 25 is formed being directed into outer axial tube
In 17 oil input channels 171 formed.
As a preferred embodiment, the first oil leab 191 is located at the 5th oil leab 201 and oil input channel 171
Between.
As a preferred embodiment, one end of inner tube axis 16 and one end of outer axial tube 17 are by being welded and fixed.It is interior
The other end of pipe axis 16 and the other end of outer axial tube 17 are by being welded and fixed.
As a preferred embodiment, Oil Guide road 18 is at central column.Central column it is closed at both ends to avoid lubricating oil
It is leaked from the both ends in Oil Guide road 18.
In conclusion being formed with Oil Guide between the inner tube axis 16 and outer axial tube 17 of the lubricant oil road structure 10 of wind turbine gearbox
Lubricating oil in transparent cover oil duct 251 directly can be oriented to the first lubricating pipe 19 and the second lubricating pipe 20 by road 18, pass through first
Lubricating pipe 19 and the second lubricating pipe 20 are realized to the position of engagement of planet wheel bearing 12 and sun gear 15 and planetary gear 11
Lubrication.Using this structure, by change planet carrier and body structure, it can avoid that slip ring is arranged in one end of planet carrier 14, have
Conducive to entire wind turbine gearbox axial distance is shortened, gear-box weight is reduced, cost is reduced.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
Technical solution obtained, all falls in the protection scope of the utility model.