CN206377132U - A kind of variable cross-section compliant pin epicyclic transmission mechanism - Google Patents
A kind of variable cross-section compliant pin epicyclic transmission mechanism Download PDFInfo
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- CN206377132U CN206377132U CN201621382369.4U CN201621382369U CN206377132U CN 206377132 U CN206377132 U CN 206377132U CN 201621382369 U CN201621382369 U CN 201621382369U CN 206377132 U CN206377132 U CN 206377132U
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- planet
- variable cross
- section
- pin
- planetary gear
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Abstract
The utility model discloses a kind of variable cross-section compliant pin epicyclic transmission mechanism, including planet carrier, planetary gear, bearing spacer, bearing, with circle, locking nut, planet pin socket, variable cross-section planet pin, shaft block ring；Variable cross-section planet pin is together with planet pin socket hot jacket, and its right-hand member loads shaft block ring；Planetary gear and the bearing and bearing spacer of pairing are sleeved on planet sleeve outer ring, and the right-hand member of planet sleeve is loaded onto with circle, and is subject to locking nut；The left end of variable cross-section planet pin loads in the pin-and-hole on planet carrier, the position of the non-mating surface in middle part of variable cross-section planet pin is machined with circular arc groove, designed for continuous variable cross section, its effect is when planetary gear is acted on by radial load, variable cross-section planet pin can be deformed at circular arc groove at first, made planetary gear in loading process by deformation, only produced and mutually compensated between purely radial displacement and each planetary gear, so that each planetary gear parallel flotation, load is evenly.
Description
Technical field
The utility model is related to the gear-driven technical field of wind-power electricity generation, refers in particular to a kind of variable cross-section compliant pin planet
Transmission mechanism.
Background technology
At present in wind-power electricity generation gear drive field, using the transmission of NGW types more than planetary transmission structure planet row, planet carrier is
The double-arm structure of monoblock type, planetary gear arrangement is wherein and with the support of 2 points of planet wheel spindle, and planetary gear number is generally 3-4 individual, this shape
Formula has the bad guarantee of some shortcomings, i.e. planet carrier pin hole position, the load problem between planetary gear is influenceed after assembling, and then reduce
Gear bearing capacity；When load increase, due to the limitation of planetary gear number, only by increasing the facewidth or increasing planetary gear centre-to-centre spacing
To realize, whole device volume is so caused to increase, weight increase.
Therefore, the compliant pin planetary transmission structure supported by some cantilevereds, it is possible to achieve many planetary gear arrangements, Jin Erzeng
Plus bearing capacity, the effect of load balancing mechanism between gear is realized again, and allows installation weight and volume index to reduce.
New by looking into, a kind of application for a patent for invention, patent of invention is entitled《A kind of mechanism for balancing load of planetary gear by flexible pin shaft》,
Number of patent application is 201010190106.4, and concrete structure is as shown in figure 1, this structure is by planet pin (1), planet carrier (2), conical ring
(3), bearing spacer (4), planetary gear (5), bearing (6), bearing lock nut (7), planet axis (8), pin locked nut (9) etc.
Composition；A kind of utility application, patent name is《A kind of flexible shaft structure》, number of patent application is
201120006650.9, concrete structure are as shown in Fig. 2 this structure is by pin locked nut (1), planet carrier (2), conical ring (3), bearing
Spacer ring (4), planetary gear (5), bearing (6), bearing lock nut (7), planet axis (8), planet pin (9) etc. are constituted；Above-mentioned two
Although kind of patent can realize the effect carried between many planetary gears arrangements and planetary gear, its exist axial arranged space-consuming compared with
Greatly, gear box designs internal structure is limited etc., while the also deficiency such as increase assembly difficulty and increase cost.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and there is provided one kind reliable variable cross-section rational in infrastructure
Compliant pin epicyclic transmission mechanism, by the ingehious design of planet pin variable cross-section shape, makes it be deformed in stand under load more sensitive, compared with
Original equal diameter or staged planet latch structure, on the premise of equally deformation effect is reached, planet pin can be greatly shortened
Axial dimension, make gear box designs compacter, and with higher power density.
To achieve the above object, technical scheme provided by the utility model is：A kind of variable cross-section compliant pin Gear Planet Transmission
Mechanism, including planet carrier, planetary gear, bearing spacer, bearing, with circle, locking nut, planet pin socket, variable cross-section planet pin,
Shaft block ring；The variable cross-section planet pin is together with planet pin socket hot jacket, and the right-hand member of the variable cross-section planet pin loads axle and used
Back-up ring is used for axially position, prevents the unexpected axial float of variable cross-section planet pin；The planetary gear and the bearing and bearing of pairing
Spacer ring is sleeved on the outer ring of planet sleeve, and the right-hand member of the planet sleeve is loaded onto with circle, and is subject to locking nut for jointly
Axially position bearing；The left end of the variable cross-section planet pin loads in the pin-and-hole on planet carrier, its right-hand member pin pressing plate or nut
Positioning, so whole planetary gear construction is formed as the cantilever support of one-point type；Wherein, at the middle part of the variable cross-section planet pin
The position of non-mating surface is machined with circular arc groove, is designed for continuous variable cross section, and its effect is to be acted in planetary gear by radial load
When, variable cross-section planet pin can be deformed at circular arc groove at first, make planetary gear in loading process by deformation, only be produced
Mutually compensated between raw purely radial displacement and each planetary gear, so that each planetary gear parallel flotation, is loaded more equal
It is even.
The planetary gear uses straight-tooth.
The bearing uses taper roller or short columnar roller form.
The utility model compared with prior art, has the following advantages that and beneficial effect：
1st, the non-mating surface position in the middle part of planet pin be machined with circular arc groove i.e. continuous variable cross section design, planetary gear by
During load, due to the deformation of variable cross-section planet pin, make planetary gear in loading process, only produce purely radial displacement and each row
Mutually compensated between star-wheel, thus ensure that well its between cog with sun gear and gear ring well engage effect, reach most
Good load function.
2nd, due to the ingehious design of planet pin variable cross-section shape, it is made to be deformed in stand under load more sensitive, than original etc.
Diameter or staged planet latch structure, on the premise of equally deformation effect is reached, can greatly shorten the axial chi of planet pin
It is very little, make gear box designs compacter, and with higher power density.
Brief description of the drawings
Fig. 1 is the structural representation of existing patent of invention in background technology.
Fig. 2 is the structural representation of existing utility model patent in background technology.
Fig. 3 is the structural representation of variable cross-section compliant pin epicyclic transmission mechanism of the present utility model.
Embodiment
With reference to specific embodiment, the utility model is described in further detail.
As shown in figure 3, the variable cross-section compliant pin epicyclic transmission mechanism described in the present embodiment, including planet carrier 01, planet tooth
Take turns 02, bearing spacer 03, bearing 04, with circle 05, locking nut 06, planet pin socket 07, variable cross-section planet pin 08, shaft block ring
09；The variable cross-section planet pin 08 is together with the hot jacket of planet pin socket 07, and the right-hand member of the variable cross-section planet pin 08 loads axle and used
Back-up ring 09 is used for axially position, prevents the unexpected axial float of variable cross-section planet pin 08；The planetary gear 02 and the bearing of pairing
04 and bearing spacer 03 be sleeved on the outer ring of planet sleeve 07, the right-hand member of the planet sleeve 07 is loaded onto with circle 05, and is subject to
Locking nut 06 is used for common axial locating shaft and held；The pin-and-hole that the left end of the variable cross-section planet pin 08 loads on planet carrier 01
Interior, its right-hand member is positioned with pin pressing plate or nut, and so whole planetary gear construction is formed as the cantilever support of one-point type；Wherein,
The planetary gear 02 uses straight-tooth, is engaged jointly with gear ring and sun gear, and the bearing 04 can use taper roller or short circle
Post roller form, the scene of bearing spacer 03 carries out match grinding and pretension or directly provided by bearing supplier is supporting.
Circular arc groove 10 is machined with the position of the non-mating surface in middle part of the variable cross-section planet pin 08, is continuous variable cross section
Design, its effect is that, when planetary gear 02 is acted on by radial load, variable cross-section planet pin 08 can be produced at circular arc groove 10 at first
Change shape, planetary gear 02 is produced phase between purely radial displacement and each planetary gear in loading process, only by deformation
Mutually compensation, thus ensure that well its between cog with sun gear and gear ring well engage effect, reach optimal load
Function.Further, since the ingehious design of planet pin variable cross-section shape, makes it be deformed in stand under load more sensitive, than original etc.
Diameter or staged planet latch structure, on the premise of equally deformation effect is reached, can greatly shorten the axial chi of planet pin
It is very little, make gear box designs compacter, and with higher power density, be worthy to be popularized.
Examples of implementation described above are only the preferred embodiment of the utility model, not limit of the present utility model with this
Practical range, therefore the change that all shape, principles according to the utility model are made, all should cover in protection domain of the present utility model
It is interior.
Claims (3)
1. a kind of variable cross-section compliant pin epicyclic transmission mechanism, it is characterised in that：Including planet carrier (01), planetary gear (02), axle
Hold spacer ring (03), bearing (04), with circle (05), locking nut (06), planet pin socket (07), variable cross-section planet pin (08), axle
With back-up ring (09)；The variable cross-section planet pin (08) and planet pin socket (07) hot jacket together, the variable cross-section planet pin (08)
Right-hand member load shaft block ring (09) and be used for axially position, prevent the unexpected axial float of variable cross-section planet pin (08)；The planet
Gear (02) and the bearing (04) and bearing spacer (03) of pairing are sleeved on the outer ring of planet sleeve (07), the planet sleeve
(07) right-hand member is loaded onto with circle (05), and is subject to locking nut (06) and is used for common axial direction locating shaft to hold；The variable cross-section planet
The left end for selling (08) loads in the pin-and-hole on planet carrier (01), and its right-hand member is positioned with pin pressing plate or nut, so whole planet tooth
Rolling hitch is configured as the cantilever support of one-point type；Wherein, the variable cross-section planet pin (08) the non-mating surface in middle part position
Circular arc groove (10) is machined with, is designed for continuous variable cross section, it is, when planetary gear (02) is acted on by radial load, to become and cut that it, which is acted on,
Face planet pin (08) can be deformed at circular arc groove (10) place at first, make planetary gear (02) in loading process by deformation
In, only produce and mutually compensated between purely radial displacement and each planetary gear, so that each planetary gear parallel flotation, bears
Carry evenly.
2. a kind of variable cross-section compliant pin epicyclic transmission mechanism according to claim 1, it is characterised in that：The planetary gear
(02) straight-tooth is used.
3. a kind of variable cross-section compliant pin epicyclic transmission mechanism according to claim 1, it is characterised in that：The bearing (04)
Using taper roller or short columnar roller form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382369.4U CN206377132U (en) | 2016-12-16 | 2016-12-16 | A kind of variable cross-section compliant pin epicyclic transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382369.4U CN206377132U (en) | 2016-12-16 | 2016-12-16 | A kind of variable cross-section compliant pin epicyclic transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206377132U true CN206377132U (en) | 2017-08-04 |
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ID=59405802
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621382369.4U Active CN206377132U (en) | 2016-12-16 | 2016-12-16 | A kind of variable cross-section compliant pin epicyclic transmission mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679207A (en) * | 2018-08-02 | 2018-10-19 | 索特传动设备有限公司 | Pass through the deformation-compensated structure for improving screw thread bearing capacity |
| CN108980169A (en) * | 2018-07-25 | 2018-12-11 | 湖南南方宇航高精传动有限公司 | Elastic pin shaft, the component of axle sleeve Novel connection type and preparation method and gear-box |
| CN108980216A (en) * | 2018-09-27 | 2018-12-11 | 杭州前进齿轮箱集团股份有限公司 | A kind of tapered roller bearing for Gear Planet Transmission is axially negative to swim clearance adjustment apparatus and configuration method |
| CN112384720A (en) * | 2018-07-06 | 2021-02-19 | 采埃孚股份公司 | Deformation-optimized planet pin |
| CN112664640A (en) * | 2020-12-11 | 2021-04-16 | 北京自动化控制设备研究所 | Retaining ring type planetary gear and electric steering engine |
-
2016
- 2016-12-16 CN CN201621382369.4U patent/CN206377132U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112384720A (en) * | 2018-07-06 | 2021-02-19 | 采埃孚股份公司 | Deformation-optimized planet pin |
| CN108980169A (en) * | 2018-07-25 | 2018-12-11 | 湖南南方宇航高精传动有限公司 | Elastic pin shaft, the component of axle sleeve Novel connection type and preparation method and gear-box |
| CN108679207A (en) * | 2018-08-02 | 2018-10-19 | 索特传动设备有限公司 | Pass through the deformation-compensated structure for improving screw thread bearing capacity |
| CN108980216A (en) * | 2018-09-27 | 2018-12-11 | 杭州前进齿轮箱集团股份有限公司 | A kind of tapered roller bearing for Gear Planet Transmission is axially negative to swim clearance adjustment apparatus and configuration method |
| CN112664640A (en) * | 2020-12-11 | 2021-04-16 | 北京自动化控制设备研究所 | Retaining ring type planetary gear and electric steering engine |
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