CN206889640U - Wind turbine gearbox output shaft seal structure - Google Patents
Wind turbine gearbox output shaft seal structure Download PDFInfo
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- CN206889640U CN206889640U CN201720289701.0U CN201720289701U CN206889640U CN 206889640 U CN206889640 U CN 206889640U CN 201720289701 U CN201720289701 U CN 201720289701U CN 206889640 U CN206889640 U CN 206889640U
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- output shaft
- gland
- disc
- rectangular recess
- flange
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Abstract
The utility model discloses a kind of wind turbine gearbox output shaft seal structure, including casing, output shaft；The first disc, bearing and the spacer sleeve being fixed on output shaft；Also include being fixed on the output shaft end cap on the outside of casing, the output shaft rubbing surface of end cover is sequentially provided with the first rectangular recess and the second rectangular recess vertically；The spacer sleeve is provided with the spacer sleeve flange relative with first rectangular recess；Also it is equiped with the second disc on spacer sleeve, the flange on second disc is relative with the second rectangular recess；First rectangular recess and the second rectangular recess communicate with spill port.The utility model can form multiple tracks gear pasta, and multiple tracks drainback passage is provided with, will can thoroughly be solved the problem of output position oil leak, permeability, while in the casing upper side end face passage for being provided with insertion horizontal vertically, ensure that in oil back chamber be malleation, prevent fluid back suction.
Description
Technical field
Output shaft seal structure is the utility model is related to, more particularly to a kind of wind turbine gearbox output shaft seal structure.
Background technology
Existing wind turbine gearbox output shaft seal structure majority is to use simple labyrinth structure, lubricates the lubrication of bearing
After the bearing ball extruding that oil is rotated at a high speed, splash and go out from bearing both sides, most lubricating oil is thrown to cabinet wall
Go up and be back to oil sump, a small amount of lubricating oil flows to housing plate position along output shaft.In technical field of wind power, also there is use
Helical structure opposite to the direction of rotation is processed on output shaft so that lubricating oil is back in casing by rotary centrifugal force effect
The solution in portion.
Existing wind turbine gearbox output end labyrinth seal structure, although having Some Enterprises in use, to labyrinth
Structure has optimized, and sealing effectiveness increases, but technological break-through point also only reside within by control process and assemble end cap and
On the gap for exporting between centers, problem is not solved thoroughly, still oil leak or permeability phenomenon be present using scene.Helixseal
Structure has the experience used in other industrial productions beyond wind-powered electricity generation, because helixseal structure is to parts machining and assembling
Required precision is of a relatively high, operating difficulties, so cost is higher, is used in wind turbine gearbox industry relatively fewer.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is：A kind of sealed reliable, practical new is provided
Formula wind turbine gearbox output shaft seal structure.
To achieve the above object, the utility model adopts the technical scheme that：
A kind of new-type wind turbine gearbox output shaft seal structure, including casing, end stretch out the output shaft of casing；The case
Spill port is equiped with body.
Also include being sequentially fixed at from upwind side to lower wind direction side vertically the first disc on output shaft, bearing and
Spacer sleeve.
Also include being fixed on the output shaft end cap on the outside of casing；The output shaft rubbing surface of end cover is sequentially provided with vertically
One rectangular recess and the second rectangular recess.
First rectangular recess and the second rectangular recess communicate with the spill port respectively；Set on first disc
The oriented inclined first disc flange of box house；The spacer sleeve is provided with the spacing relative with first rectangular recess
Cover flange；The second disc is equiped with the spacer sleeve, second disc is provided with and the second rectangular recess phase
To the second disc flange, lubricating oil can be got rid of into the second rectangular recess in output shaft rotation and form gear pasta；Institute
The first disc flange is stated to roll tiltedly to the upwind of the first disc；Upwind of the spacer sleeve flange to the spacer sleeve
Roll oblique；The second disc flange rolls oblique to the lower wind direction of second disc.
The radially inner side of the output shaft end cap has fixed flange, positioned at the lower wind direction side of the first rectangular recess, second
The upwind side of rectangular recess；Second disc is located at the lower wind direction side of the fixed flange；Second disc with
The axial gap of the fixed flange is less than 1mm；The first V-type circle is also equiped with the spacer sleeve；The lip of first V-type circle with
The upwind side side of the fixed flange is in contact；The lower wind direction side of the output shaft end cap be equiped with successively the first gland and
Second gland；Wind direction side is provided with the first gland locating ring under first gland, and the second gland upwind side is provided with
Second gland locating slot, the first gland locating ring are engaged with the second gland locating slot, between them radial clearance be 0.3mm~
0.4mm。
Preferably, the side of the upwind side of the fixed flange is provided with friction-proof piece；With the lip of the first V-type circle
Mouth is in contact.
Preferably, the upwind side of first gland is equiped with a V-type groove, the height of the V-type groove is low
In the second disc flange；The lubricating oil of splashing can flow into the second spill port along the V-type groove of first gland,
Gear pasta can be formed；Axial gap between first gland and second disc is less than 1mm, can prevent to lubricate
Oil stream goes out.
Preferably, second gland is fixed on output shaft, with the radial clearance of the output shaft for 0.3mm~
0.4mm；The upwind side of second gland is equiped with the second V-type circle；The lip of the second V-type circle and first gland
Side be in contact；Second V-type circle is located at the outside of the second gland groove.
Preferably, the fixed flange radially inner side is provided between first row sawtooth groove, with the radial direction of the spacer sleeve
Gap is 0.3mm~0.4mm；The first gland radially inner side is provided between second row sawtooth groove, with the radial direction of the spacer sleeve
Gap is 0.3mm~0.4mm；The first row sawtooth groove is that the multiple tracks length of side is the equilateral of 3mm with the second row sawtooth groove
Triangular groove；The radially inner side of first gland is also equipped with felt with the spacer sleeve contact position.
Preferably, the spill port is divided into the first spill port and the second spill port；First spill port and described the
One rectangular recess communicates；Second spill port communicates with second rectangular recess；First spill port leads in casing
The angle that the branch road of side and the second spill port lead to the center line and the center line of the output shaft of the branch road of box inside is
11°；Second spill port also has a branch road led on the outside of casing；Dismountable plug screw is installed on the branch road；
The plug screw installed at second spill port increases outer tube according to field condition needs after can changing pipe joint at any time, more
Remaining lubricating oil flows back to oil sump along outer tube, can form the 3rd spill port.
Preferably, the distance of the inside edge of the casing and the first disc flange be 5mm, and it is located at described the
The lower wind direction side of one disc flange；First disc of rotation at a high speed, the lubricating oil for making to throw away form a gear pasta and prevented
The high temperature grease to be splashed by gear engagement direction.
Preferably, the passage of insertion side wall is offered on the casing vertically.
Preferably, the bearing more than one, installed in upwind side a cylinder roller bearing and to be arranged on
One ball bearing of lower wind direction side, with the interior spacer ring and the outer interval on casing being mounted on an axle between two bearings
Ring separates；There is a hole on the outer spacer ring, communicated with the oil filler point on the casing.
Beneficial benefit of the present utility model is：1st, structure of the present invention uses sealing shape of the multiple tracks radially with being axially combined
Formula, compact-sized, good sealing effect；2nd, the present invention is using multiple tracks oil return and reserved oil-returning structure, it is ensured that oil return is unobstructed；3、
Spill port angle of inclination of the present invention is big, and oil return is smooth.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one.
Fig. 2 is the partial enlarged view of the embodiment of the utility model one.
Description of reference numerals：1- casings；The discs of 2- first；201- the first disc flanges；3- cylinder roller bearings；4-
Inner split ring between bearing；Outer spacer ring between 5- bearings；6- ball bearings；7- self-locking packing rings；8- locking nuts；9- spacer sleeves；91- spacer sleeves
Flange；10- output shaft end caps；The rectangular recess of 101- first；102- first row sawtooth grooves；The rectangular recess of 103- second；104-
Fixed flange；The discs of 11- second；111- the second disc flanges；The glands of 12- first；121- the first gland locating rings；122-
V-type groove；123- second row sawtooth grooves；The glands of 13- second；131- the second gland locating slots；14- the second V-type circles；15- hairs
Felt；16- plug screws；17- friction-proof pieces；18- the first V-type circles；19- output shafts；The spill ports of 20- first；The spill ports of 21- second；22-
Three spill ports；23- casing inward flanges；24- passages.
Embodiment
As shown in figure 1, the utility model includes being sequentially fixed at output shaft 19 from upwind side to lower wind direction side vertically
On the first disc 2, cylinder roller bearing 3, ball bearing 6 and spacer sleeve 9；It is fixed on the output shaft end cap 10 in the outside of casing 1；
The medial surface of output shaft end cap 10 is sequentially provided with the first rectangular recess 101 and the second rectangular recess 103 vertically.Cylindrical roller
Spacer ring 4 and the outer spacer ring 5 of bearing in bearing are equiped between bearing 3 and ball bearing 6, is had on the outer spacer ring 5 of the bearing
Hole communicates with oil filler point.
The rectangular recess 103 of first rectangular recess 101 and second respectively with the first spill port 20 and the second spill port 21
Communicate；First disc 2 is provided with to the inclined first disc flange 201 of box house；The spacer sleeve 9 is provided with
The spacer sleeve flange 91 relative with first rectangular recess 101；The second disc 11 is equiped with the spacer sleeve 9；It is described
First disc flange 201 rolls oblique to the upwind of the first disc 2；The spacer sleeve flange 91 is to the spacer sleeve 9
Upwind rolls oblique；The second disc flange 111 rolls oblique to the lower wind direction of second disc 11.
The inside edge of the casing 1 and the distance of the first disc flange 201 are 5mm, and are got rid of positioned at described first
The lower wind direction side of oil ring flange 201；First disc 2 of rotation at a high speed, the lubricating oil for making to throw away form a gear pasta and prevented
The high temperature grease to be splashed by gear engagement direction.
First spill port 20 leads to the branch road of box inside towards the branch road of box inside and the second spill port 21
The angle of center line and the center line of the output shaft 19 is 11 °；Second spill port 21 also has one and leads to casing
The branch road in outside；Dismountable plug screw 16 is installed on the branch road；The plug screw 16 can change at any time according to field condition needs
Increase outer tube after into pipe joint, unnecessary lubricating oil flows back to oil sump along outer tube, can form the 3rd spill port 23.
The passage 24 of insertion side wall is offered on casing 1 vertically.
As shown in Fig. 2 the side of the upwind side of the fixed flange 104 is provided with friction-proof piece 17；With first V-type
The lip of circle 18 is in contact.Second disc 11 is provided with second disc relative with second rectangular recess 103
Flange 111, lubricating oil can be got rid of into the second rectangular recess 103 in output shaft rotation.
The radially inner side of the output shaft end cap 10 has fixed flange 104, positioned at the lower wind direction of the first rectangular recess 101
Side, the upwind side of the second rectangular recess 103；Second disc 11 is located at the lower wind direction side of the fixed flange 104；Institute
State and the first V-type circle 18 is also equiped with spacer sleeve 9；The lip of first V-type circle 18 and the upwind side side of the fixed flange 104
Face is in contact；The lower wind direction side of the output shaft end cap 10 is equiped with the first gland 12 and the second gland 13 successively.
The upwind side of first gland 12 is equiped with a V-type groove 122, and the height of the V-type groove 122 is less than
The second disc flange 111；The lubricating oil of splashing can flow into the second spill port 21 along the V-type groove 122, can
Form gear pasta；Axial gap between first gland 12 and second disc 11 is less than 1mm, can form gear oil
Face, prevent outflow of lubrication oil.
Second gland 13 is fixed on output shaft 19, and the radial clearance with output shaft 19 is 0.3mmmm~0.4mm；
Described first gland, 12 times wind direction sides are provided with the first gland locating ring 121, and the upwind side of the second gland 13 is provided with the
Two gland locating slots 131；First gland locating ring 121 is set relatively with the second gland locating slot 131, and radial clearance is in 0.3mm
Between~0.4mm.The upwind side of second gland 13 is equiped with the second V-type circle 14；The lip of the second V-type circle 14 with
The side of first gland is in contact；Second V-type circle 14 is located at the radial outside of the second gland locating slot 131.
The radially inner side of the fixed flange 104 is provided between first row sawtooth groove 102, with the radial direction of the spacer sleeve 9
Gap is 0.3mmmm~0.4mm；The radially inner side of first gland 12 is provided with second row sawtooth groove 123, with the spacer sleeve 9
Radial clearance be 0.3mmmm~0.4mm；The first row sawtooth groove 102 and the second row sawtooth groove 123 are multiple tracks
The length of side is 3mm equilateral triangle groove；The radially inner side of first gland 12 is also equipped with the contact position of spacer sleeve 9
Felt 15.
The installation process of the embodiment is：
The first step：First disc 2, cylinder roller bearing 3, ball bearing 6 are arranged on output shaft 19 by hot-mounting process,
Installed between cylinder roller bearing 3, ball bearing 6 between bearing between inner split ring 4, bearing after outer spacer ring 5, then pass through self-locking packing ring 7, lock
Tight nut 8 carries out locking positioning, and then spacer sleeve 9 is arranged on output shaft 19 by hot-mounting process, is cooled down in spacer sleeve 19
Output shaft assembly can be formed after the second V-type circle 14 is attached on spacer sleeve 9 afterwards, output shaft assembly is arranged in casing 1.
Second step:After friction-proof piece 17 is arranged on output shaft end cap 10, output shaft end cap assemblies can be formed, then will be defeated
Shaft end-cap assembly is arranged on casing 1 by bolt, and the second disc 11 then is arranged on into spacer sleeve 9 by hot-mounting process
On.
3rd step：Felt 15 is arranged on the first gland 12, can form the first gland component, then by the first gland group
Part is arranged on output shaft end cap 10 by bolt；
4th step：The first V-type circle 18 after smearing lubricating grease, which is arranged on the second gland 13, can form the second gland
Component, then the second gland component pressure is arranged on spacer sleeve 9, oil nozzle is finally installed, is periodically the first V-type circle 18 addition profit
Consistent lubricant；
5th step：Faying face all mounting O-shaped rings of output shaft end cap 10, the first gland 12 and casing 1 are sealed.
Claims (10)
- A kind of 1. wind turbine gearbox output shaft seal structure, it is characterised in that：The output shaft (19) of casing (1) is stretched out including casing (1), end；Spill port is equiped with the casing (1)；Also include the first disc (2), the axle being sequentially fixed at vertically from upwind side to lower wind direction side on output shaft (19) Hold and spacer sleeve (9)；Also include being fixed on the output shaft end cap (10) on the outside of casing (1)；Output shaft end cap (10) medial surface vertically according to It is secondary to be provided with the first rectangular recess (101) and the second rectangular recess (103)；First rectangular recess (101) and the second rectangular recess (103) communicate with the spill port respectively；Described first gets rid of oil Ring (2) is provided with the first disc flange (201) to casing (1) inner inclination；The spacer sleeve (9) is provided with and described the The relative spacer sleeve flange (91) of one rectangular recess (101)；The second disc (11) is equiped with the spacer sleeve (9), it is described Second disc (11) is provided with the second disc flange (111) relative with second rectangular recess (103)；The lower wind direction side of the output shaft end cap (10) is equiped with the first gland (12) and the second gland (13) successively.
- 2. wind turbine gearbox output shaft seal structure according to claim 1, it is characterised in that：The first disc flange (201) rolls oblique to the upwind of the first disc (2)；The spacer sleeve flange (91) to The upwind of the spacer sleeve (9) rolls oblique；Leeward of the second disc flange (111) to second disc (11) It is oblique to rolling；Wind direction side is provided with the first gland locating ring (121) under first gland (12), on second gland (13) Wind direction side is provided with the second gland locating slot (131)；First gland locating ring (121) matches with the second gland locating slot (131) Close, the radial clearance between them is 0.3mm~0.4mm.
- 3. wind turbine gearbox output shaft seal structure according to claim 1 or 2, it is characterised in that：The radially inner side of the output shaft end cap (10) has fixed flange (104), the leeward positioned at the first rectangular recess (101) To side, the upwind side of the second rectangular recess (103)；Second disc (11) is located under the fixed flange (104) Wind direction side, it is less than 1mm with the axial gap of the fixed flange (104)；The first V-type circle (18) is also equiped with the spacer sleeve (9)；The lip of first V-type circle (18) and the fixed flange (104) upwind side side is in contact；The lower wind direction side of the output shaft end cap (10) is equiped with the first gland (12) and the second gland (13) successively, and described second The upwind side of gland (13) is equiped with the second V-type circle (14)；Second V-type circle is located at the outer of the second gland groove (103) Side；The lip of the second V-type circle (14) is in contact with the lower wind direction side of first gland (12)；First gland (12) axial gap with the second disc (11) is less than 1mm.
- 4. wind turbine gearbox output shaft seal structure according to claim 3, it is characterised in that：The side of the upwind side of the fixed flange (104) is provided with friction-proof piece (17)；With the lip of the first V-type circle (18) Mouth is in contact.
- 5. wind turbine gearbox output shaft seal structure according to claim 1, it is characterised in that：The upwind side of first gland (12) is equiped with a V-type groove (122), and the height of the V-type groove (122) is low In the second disc flange (111)；The V-type groove (122) leads to spill port.
- 6. wind turbine gearbox output shaft seal structure according to claim 1, it is characterised in that：It is 0.3mm~0.4mm with output shaft (19) radial clearance on the fixed output shaft (19) of second gland (13)；It is described The upwind side of second gland (13) is equiped with the second V-type circle (14)；The lip of the second V-type circle (14) and the described first pressure The side of lid (12) is in contact.
- 7. wind turbine gearbox output shaft seal structure according to claim 3, it is characterised in that：Fixed flange (104) radially inner side is provided between first row sawtooth groove (102), with the radial direction of the spacer sleeve (9) Gap is 0.3mm~0.4mm；First gland (12) radially inner side is provided with second row sawtooth groove (123), with the spacer sleeve (9) radial clearance is 0.3mm~0.4mm；The first row sawtooth groove (102) and the second row sawtooth groove (123) The equilateral triangle groove for being 3mm for the multiple tracks length of side；The radially inner side of first gland (12) contacts with the spacer sleeve (9) Place is also equipped with felt (15).
- 8. wind turbine gearbox output shaft seal structure according to claim 1, it is characterised in that：The spill port is divided into the first spill port (20) and the second spill port (21)；First spill port (20) and described first Rectangular recess (101) communicates；Second spill port communicates with second rectangular recess (103)；First spill port (20) leads to the branch road of box inside towards the branch road and the second spill port (21) of box inside The angle of center line and the center line of the output shaft is 11 °；Second spill port (21) also has a branch road led on the outside of casing；Dismountable spiral shell is installed on the branch road Fill in (16).
- 9. wind turbine gearbox output shaft seal structure according to claim 1, it is characterised in that：The inside edge of the casing (1) and the distance of the first disc flange (201) are 5mm, and are got rid of positioned at described first The lower wind direction side of oil ring flange (201).
- 10. wind turbine gearbox output shaft seal structure according to claim 1, it is characterised in that：The passage (24) of insertion side wall is offered on the casing (1) vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289701.0U CN206889640U (en) | 2017-03-23 | 2017-03-23 | Wind turbine gearbox output shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289701.0U CN206889640U (en) | 2017-03-23 | 2017-03-23 | Wind turbine gearbox output shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889640U true CN206889640U (en) | 2018-01-16 |
Family
ID=61329162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720289701.0U Active CN206889640U (en) | 2017-03-23 | 2017-03-23 | Wind turbine gearbox output shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889640U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626359A (en) * | 2018-03-28 | 2018-10-09 | 江苏泰隆减速机股份有限公司 | The three-in-one sealing device of axis |
| CN109210176A (en) * | 2018-09-24 | 2019-01-15 | 江苏悦达专用车有限公司 | A kind of connection structure of transmission case body and transmission shaft |
| CN110701285A (en) * | 2019-11-13 | 2020-01-17 | 南京高速齿轮制造有限公司 | Gear box |
| WO2022002432A3 (en) * | 2020-07-01 | 2022-03-03 | Sew-Eurodrive Gmbh & Co. Kg | Transmission with a shaft, at least one first bearing, a housing part, and a cover |
-
2017
- 2017-03-23 CN CN201720289701.0U patent/CN206889640U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626359A (en) * | 2018-03-28 | 2018-10-09 | 江苏泰隆减速机股份有限公司 | The three-in-one sealing device of axis |
| CN109210176A (en) * | 2018-09-24 | 2019-01-15 | 江苏悦达专用车有限公司 | A kind of connection structure of transmission case body and transmission shaft |
| WO2020063454A1 (en) * | 2018-09-24 | 2020-04-02 | 江苏悦达专用车有限公司 | Connection structure of case body and transmission shaft of transmission case |
| CN110701285A (en) * | 2019-11-13 | 2020-01-17 | 南京高速齿轮制造有限公司 | Gear box |
| WO2022002432A3 (en) * | 2020-07-01 | 2022-03-03 | Sew-Eurodrive Gmbh & Co. Kg | Transmission with a shaft, at least one first bearing, a housing part, and a cover |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200727 Address after: Suzhou Industrial Park 735000 area in Gansu city of Jiuquan province (South Park) Patentee after: Sinovel Technology (Gansu) Co.,Ltd. Address before: 100872 room 59, 709 Zhongguancun street, Beijing, Haidian District Patentee before: RUIDIAN TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |