CN207687311U - Yaw variable propeller gearbox export structure - Google Patents
Yaw variable propeller gearbox export structure Download PDFInfo
- Publication number
- CN207687311U CN207687311U CN201820020716.1U CN201820020716U CN207687311U CN 207687311 U CN207687311 U CN 207687311U CN 201820020716 U CN201820020716 U CN 201820020716U CN 207687311 U CN207687311 U CN 207687311U
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- Prior art keywords
- gear
- output shaft
- output
- variable propeller
- slow speed
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Abstract
The utility model discloses a kind of yaw variable propeller gearbox export structures, including slow speed turbine stage gear ring and lower box, cantilever is equipped with output shaft in the lower box, by planet gear transmission to the output shaft passing power in the slow speed turbine stage gear ring, planet carrier in the planet gear transmission is integrally formed with the output shaft, and output gear is arranged on the output shaft.The product overall dimensions of the utility model are small, manufacturing cost is low, part strength and rigidity are stronger, and reliability is high；Axial connection is compacter；Replace easy to maintain, and maintenance cost is relatively low.
Description
Technical field
The utility model belongs to gear-box technical field, and in particular to a kind of yaw variable propeller gearbox export structure.
Background technology
It is big in view of yaw variable propeller gearbox transmission ratio, bear that torque is big, installation space is narrow, therefore yaw variable propeller gearbox
Multistage planet drive mechanism form is mostly used, is coupled using spline between planetary transmission structures at different levels or tooth covers by the way of coupling.
As shown in Fig. 1, general existing slow speed turbine stage planet portion set is by planet carrier 41, planetary gear 43, ring gear 1, sun gear 44, planet
Axis 42, support plate 8 form.Output section is covered by lower box 2, purge cock 21, bearing, lubricating grease priming cup, oil sealing, bearing, oil
Envelope, output end cap 6, output gear shaft 3, round nut, round nut are constituted with stop washer.Two portions set passes through lower box 2 and interior
Threaded hole fastening on gear ring 1, and coupled with the external splines of 3 shaft end of output gear shaft by 41 internal spline of planet carrier.
Existing structure has the following problems：Planet carrier 41 is coupled with output gear shaft 3 using spline, and must assure that has
Certain length of fit is to ensure the intensity of spline connection；Therefore it can cause that product axial dimension is long, structure is not compact enough, space
Waste is big, fills lubricants capacity, is of high cost；Since output gear shaft 3 and output gear 5 are integrally formed, wind field operation is due to punching
It hits load and easily leads to output gear, it is difficult in maintenance after 3 broken teeth occur, need replacing entire yaw or variable propeller gearbox, maintenance expense
With high, maintenance time is long.Output end and planet carrier are heavy, of high cost, and waste of material is big.
Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of structure is tight
The yaw variable propeller gearbox export structure for gathering, reliability height and maintaining easily.
Technical solutions of the utility model are as follows：
A kind of yaw variable propeller gearbox export structure, including slow speed turbine stage gear ring and lower box, cantilever installation in the lower box
There is an output shaft, by planet gear transmission to the output shaft passing power in the slow speed turbine stage gear ring, in the planet gear transmission
Planet carrier and the output shaft be integrally formed, be arranged with output gear on the output shaft.
Using above-mentioned technical proposal, planet carrier and output shaft are integrally formed and designed, part strength and rigidity are increased, it can
It is improved by property；Output gear and output shaft partial installation, are convenient for changing output gear, and overall maintenance cost is low, replace
It is efficient.
Preferably, the planet gear transmission includes the planetary gear engaged with the slow speed turbine stage gear ring, which is arranged
In planet axis, which is threaded through on planet carrier, and the planetary gear is engaged with sun gear.
Preferably, the taper roll bearing that the output shaft is oppositely arranged by two is supported in the lower box,
Wherein, the side of a taper roll bearing of the output gear is provided with round nut and round nut stop pad
Circle pre-tightens two taper roll bearings.
Preferably, one end of the lower box is connect with the slow speed turbine stage gear ring, the other end passes through bolt and output end
Lid connection, lip rotating seal ring is provided between the output end cap and the output shaft.
Preferably, it is additionally provided with rigid support plate in the slow speed turbine stage gear ring, the rigid support plate and the planet carrier
Between connected by axis pin.So design, ensure that the pivoted arm rigidity and intensity of planet carrier.
Preferably, dividing on the both ends end face that the lower box is in contact with the slow speed turbine stage gear ring and the output end cap
It is not provided with a circle groove, sealing ring is installed in the groove.
Preferably, being provided with external splines, the output gear on the periphery of its end position on the output shaft
On be provided with and the matched internal spline of the external splines.
Preferably, the output shaft is equipped with pressure on one end end face of the output gear by backing-up screw
Plate, and the pressing plate and releasing screw are located in the output gear.
Advantageous effect：The product overall dimensions of the utility model are small, manufacturing cost is low, part strength and rigidity are stronger, can
By property height；Axial connection is compacter；Replace easy to maintain, and maintenance cost is relatively low.
Description of the drawings
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
Yaw variable propeller gearbox export structure as shown in Figure 2, including slow speed turbine stage gear ring 1 and one end and the slow speed turbine stage gear ring
The lower box 2 of 1 connection, cantilever is equipped with output shaft 3 in the lower box 2, in the slow speed turbine stage gear ring 1 by planet gear transmission to
3 passing power of the output shaft, the planet gear transmission include the planetary gear 43 engaged with slow speed turbine stage gear ring 1,43 sets of the planetary gear
It is located in planet axis 42, which is threaded through on planet carrier 41, and planetary gear 43 is engaged with sun gear 44, the planet carrier 41
It is integrally formed with the output shaft 3, the output shaft 3 is connected with output gear 5 by spline, close to its end on the output shaft 3
It is provided with external splines on the periphery of portion position, is provided on the output gear 5 and the matched internal spline of the external splines.It is described low
It is also associated with rigid support plate 8 in fast grade gear ring 1, is connected by axis pin 81 between the rigid support plate 8 and the planet carrier 41.
Purge cock 21 is provided on the lower box 2, which is connected with the inner cavity of lower box 2.
The output shaft 3 is supported on by two taper roll bearings being oppositely arranged 31 in the lower box 2, close to defeated
Go out a taper roll bearing 31 of gear 5 side be provided with round nut 32 and round nut it is carried out with stop washer 33 it is pre-
Tightly.The output shaft 3 is equipped with pressing plate 7, the pressing plate on one end end face of the output gear 5 by backing-up screw 71
7 and releasing screw 71 be located in the output gear 5, and resilient material is installed between pressing plate 7 and the end face of output shaft 3,
It buffers locking more reliable.
One end of the lower box 2 is connect with the slow speed turbine stage gear ring 1, and the other end is connect by bolt with output end cap 6,
It is provided with lip rotating seal ring 61 between the output end cap 6 and the output shaft 3, one or more can be selected as needed
Same specification sealing element, which is mounted side by side, to be sealed.Meanwhile in the lower box 2 and the slow speed turbine stage gear ring 1 and the output end
It is respectively arranged with a circle groove on the both ends end face that lid 6 is in contact, sealing ring is installed in the groove.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of yaw variable propeller gearbox export structure, including slow speed turbine stage gear ring (1) and lower box (2), hanged in the lower box (2)
Arm is equipped with output shaft (3), by planet gear transmission to the output shaft (3) passing power in the slow speed turbine stage gear ring (1),
It is characterized in that：Planet carrier (41) in the planet gear transmission is integrally formed with the output shaft (3), on the output shaft (3)
It is arranged with output gear (5).
2. yaw variable propeller gearbox export structure according to claim 1, it is characterised in that：The planet gear transmission includes
The planetary gear (43) engaged with the slow speed turbine stage gear ring (1), the planetary gear (43) are set in planet axis (42), the planet axis
(42) it is threaded through on planet carrier (41), the planetary gear (43) is engaged with sun gear (44).
3. yaw variable propeller gearbox export structure according to claim 1 or 2, it is characterised in that：The output shaft (3) is logical
It crosses two taper roll bearings being oppositely arranged (31) to be supported in the lower box (2), wherein close to the output gear
(5) side of a taper roll bearing (31) is provided with round nut (32) and round nut stop washer (33) to two
A taper roll bearing (31) is pre-tightened.
4. yaw variable propeller gearbox export structure according to claim 3, it is characterised in that：The one of the lower box (2)
End connect with the slow speed turbine stage gear ring (1), the other end by bolt with export end cap (6) connect, the output end cap (6) with it is described
Lip rotating seal ring (61) is provided between output shaft (3).
5. yaw variable propeller gearbox export structure according to claim 4, it is characterised in that：The slow speed turbine stage gear ring (1)
It is inside additionally provided with rigid support plate (8), is connect by axis pin (81) between the rigid support plate (8) and the planet carrier (41).
6. yaw variable propeller gearbox export structure according to claim 4 or 5, it is characterised in that：The lower box (2) with
It is respectively arranged with a circle groove, the groove on the both ends end face that the slow speed turbine stage gear ring (1) and the output end cap (6) are in contact
Sealing ring is inside installed.
7. the yaw variable propeller gearbox export structure according to claims 1 or 2 or 4 or 5, it is characterised in that：The output
It is provided with external splines on the periphery of its end position on axis (3), is provided with and the external splines phase on the output gear (5)
The internal spline of cooperation.
8. yaw variable propeller gearbox export structure according to claim 7, it is characterised in that：The output shaft (3) is close
Pressing plate (7) is equipped with by backing-up screw (71) on one end end face of the output gear (5), and the pressing plate (7) and locking
Screw (71) is located in the output gear (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820020716.1U CN207687311U (en) | 2018-01-05 | 2018-01-05 | Yaw variable propeller gearbox export structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820020716.1U CN207687311U (en) | 2018-01-05 | 2018-01-05 | Yaw variable propeller gearbox export structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687311U true CN207687311U (en) | 2018-08-03 |
Family
ID=62991284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820020716.1U Active CN207687311U (en) | 2018-01-05 | 2018-01-05 | Yaw variable propeller gearbox export structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185431A (en) * | 2018-09-30 | 2019-01-11 | 厦门南超机械有限公司 | A kind of transmission device |
-
2018
- 2018-01-05 CN CN201820020716.1U patent/CN207687311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185431A (en) * | 2018-09-30 | 2019-01-11 | 厦门南超机械有限公司 | A kind of transmission device |
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