CN205446682U - Input of driftage, change oar gear box - Google Patents
Input of driftage, change oar gear box Download PDFInfo
- Publication number
- CN205446682U CN205446682U CN201521101893.5U CN201521101893U CN205446682U CN 205446682 U CN205446682 U CN 205446682U CN 201521101893 U CN201521101893 U CN 201521101893U CN 205446682 U CN205446682 U CN 205446682U
- Authority
- CN
- China
- Prior art keywords
- shift fork
- jaw
- casing
- push
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to an input of driftage, change oar gear box, including box, sun gear shaft and sealing washer, wherein: be equipped with including combination friction fixed, the dynamic friction piece vicely between box and the sun gear shaft, last still being equipped with of sun gear shaft compresses tightly the piston, still is furnished with retaining ring, hole in the box and supports in the box with circlip and ring washer, ring washer, compresses tightly the both sides that piston and ring washer are located friction pair, and it is spacing in the box to compress tightly the piston, still be equipped with the shift fork in the box, the jaw front end of shift fork is the wedge limit, is equipped with upper and lower spherical annular on the push -and -pull rod of shift fork, and push -and -pull rod one end is docked with the jaw after inserting the box, and during the push -and -pull rod drove the jaw displacement, spherical annular or lower spherical annular were positioned the box on it, after compressing tightly shift fork annular on the piston and passing through the retaining ring, the inner wall of shift fork annular removes the orbit quadrature with the jaw tip of shift fork, and when the jaw end inserted, the inner wall of the wedge limit drive shift fork annular of its front end made and compresses tightly the piston and make axial displacement along sun gear shaft.
Description
Technical field
This utility model relates to the input of a kind of gear-box, a kind of driftage, the input of variable propeller gearbox, belongs to mechanical field.
Background technology
The driftage of wind-driven generator, variable propeller gearbox are the vitals of wind-driven generator.Yaw gearbox is used for regulating cabin and turns to, and variable propeller gearbox is used for regulating blade angle, and both act on jointly, makes wind-driven generator can adapt to wind direction or wind-force change, to obtain more high generation efficiency.But when safeguarding or keep in repair, for the security of the lives and property, it is necessary to make cabin and blade be in on-position.
In traditional wind-driven generator, cabin and blade is made to be in the on-position mode generally by electromagnetic braking to driving motor braking, simultaneously, by friction clutch, revolution spline is braked, although this mode of braking also can make cabin and blade be in on-position, but 2 are braked not only structure complexity, and need to cooperate, once 2 brake operating combination misses, also result in mechanical accident.How to deal carefully with these technical problems, have become as the problem that this area is paid close attention to.
Summary of the invention
The purpose of this utility model is: in flight-line maintenance, especially driftage, variable propeller gearbox are the practical problems needing during the maintenance of wind-driven generator unit to make cabin and blade be in on-position, it is provided that a kind of gear box input structure.
The purpose of this utility model is achieved in that the input of a kind of driftage, variable propeller gearbox, including casing, sun wheel shaft and sealing ring, it is characterised in that: being additionally provided with friction clutch in described sun wheel shaft, concrete structure is:
A) casing described in is provided with the internal spline of friction clutch, and is furnished with and determines friction plate, and the corresponding section of described sun wheel shaft is provided with the external splines of friction clutch, and is furnished with movable friction plate, and fixed and moving friction plate forms one group of friction pair the most alternately；
B) being additionally provided with the clamping piston of concentric in sun wheel shaft, clamping piston is provided with shifting fork annular, positive stop lug boss and equally distributed holddown spring seat；
C) casing is furnished with back-up ring, circlip for hole and ring washer, wherein, ring washer is butted on casing, clamping piston and ring washer are positioned at the both sides of friction pair, clamping piston by positive stop lug boss by circlip for hole and retainer ring spacing in casing, the holddown spring in holddown spring seat is butted on back-up ring；
D) casing is additionally provided with shift fork, described shift fork includes jaw and push-pull bar, the front end of jaw is wedge shape limit, push-pull bar is provided with upper and lower spherical annular groove, push-pull bar one end is inserted end after inserting casing and is docked with the jaw in casing, push-pull bar drives in jaw displacement, on it spherical annular groove or under spherical annular groove be positioned casing by plug screw, limit spring and steel ball；
E) after the shifting fork annular on clamping piston passes through back-up ring, the inwall of shifting fork annular is orthogonal with the prong end motion track of shift fork, and when jaw end inserts, the inwall of the wedge shape limit shift fork annular groove of its front end makes clamping piston make axial displacement along sun wheel shaft.
In this utility model: push-pull bar is provided with lip-type packing with the intersection of cabinet exterior.
In this utility model: when push-pull bar by under spherical annular groove be positioned casing by plug screw, limit spring and steel ball time, jaw separates with the shifting fork annular on clamping piston, it is secondary with the common clamping friction of ring washer that holddown spring now orders about clamping piston, movable friction plate is positioned by determining friction plate, and sun wheel shaft is braked.
In this utility model: during jaw inserts clamping piston upper shift fork annular groove, the wedge shape limit of jaw front end drives and compresses piston displacement and oppress holddown spring, finally it is positioned casing by upper spherical annular groove by plug screw, limit spring and steel ball, making clamping piston depart from friction pair, sun wheel shaft is released.
The utility model has the advantage of: owing to driftage, variable propeller gearbox are needed when being the maintenance of wind-driven generator unit to make cabin and blade be in braking to be to be realized by gearbox input shaft, so, the either driving motor of maintenance gear case front end, or the cabin of maintenance gear box back and blade do not interfere with each other；Use can by select spherical annular groove on push-pull bar or under spherical annular groove change the duty of power shaft as the positioning supporting point with casing, the most easy to operate, and can be by the virtual condition residing for exposed height intuitive judgment power shaft of push-pull bar；Owing to shift fork includes jaw and push-pull bar, the front end of jaw is wedge shape limit, after shifting fork annular on clamping piston passes through back-up ring, the inwall of shifting fork annular is orthogonal with the prong end motion track of shift fork, and when jaw inserts, the wedge shape limit of front end drives clamping piston to make axial displacement.Owing to the intersection of push-pull bar Yu cabinet exterior is provided with lip-type packing, operation is possible to prevent dust enter gear-box.This utility model compact conformation, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment that this utility model relates to.
Fig. 2 is the position view of power shaft on-position lower shift fork and clamping piston upper shift fork annular groove.
Fig. 3 is the position view of power shaft release conditions lower shift fork and clamping piston upper shift fork annular groove.
In figure: 1, casing；2, sealing ring；3, circlip for hole；4, deep groove ball bearing；5, circlip for shaft；6, movable friction plate group；7 determine friction plate group；8, ring washer；9, clamping piston；10, wedge shape limit；11 holddown springs；12, plug screw；13, shifting fork annular；14, limit spring；15, steel ball；16, knob；17, push-pull bar；18, lip-type packing；19, circlip for hole；20, back-up ring；21, jaw；22, upper spherical annular groove；23, sun wheel shaft, 24, under spherical annular groove.
Detailed description of the invention
Accompanying drawing discloses the concrete structure of a kind of embodiment that this utility model relates to without limitation, is further described this utility model below in conjunction with the accompanying drawings.
As seen from Figure 1, this utility model includes casing 1, sun wheel shaft 23 and sealing ring 2, concrete structure is: casing 1 is provided with the internal spline of friction clutch, and be furnished with and determine friction plate group 7, the corresponding section of described sun wheel shaft 23 is provided with the external splines of friction clutch, and it is furnished with movable friction plate group 6, the monolithic determining friction plate group 7 and movable friction plate group 6 forms one group of friction pair the most alternately.Being additionally provided with the clamping piston 9 of concentric in sun wheel shaft 23, clamping piston 9 is provided with shifting fork annular 13, positive stop lug boss and equally distributed holddown spring seat.
Casing 1 is furnished with back-up ring 20, circlip for hole 19 and ring washer 8, wherein, ring washer 8 is butted on casing 1, clamping piston 9 and ring washer 8 are positioned at the both sides of friction pair, clamping piston 9 is limited in casing 1 by circlip for hole 19 and back-up ring 20 by positive stop lug boss, and the holddown spring 11 in holddown spring seat is butted on back-up ring 20.
Casing 1 is additionally provided with shift fork, described shift fork includes jaw 21 and push-pull bar 17, the front end of jaw 21 is wedge shape limit 10, push-pull bar 17 be provided with spherical annular groove 22, under spherical annular groove 24, push-pull bar 17 one end is inserted end after inserting casing 1 and is docked with the jaw 21 in casing 1, push-pull bar 17 drives in jaw 21 displacement, on it spherical annular groove 22 or under spherical annular groove 24 by plug screw 12, be positioned casing.Before installation, in casing 1, it is set to point to push-pull bar 17 passes through the hole, location in casing 1 path, bead is provided with and the screw thread mated, during installation, steel ball 15 and limit spring 14 is put into successively in hole, location, seal with plug screw 12 again, guarantee after installation steel ball 15 can touch under limit spring 14 acts on push-pull bar 17 and can enter on it spherical annular groove 22 or under spherical annular groove 24 realize location, when force pulls push-pull bar 17 up and down steel ball 15 again can by push-pull bar 17 from upper spherical annular groove 22 or under spherical annular groove 24 push hole, location.
After shifting fork annular 13 on clamping piston 9 passes through back-up ring 20, the inwall of shifting fork annular 13 is orthogonal with the prong end motion track of shift fork 21, when jaw 21 end inserts, the inwall of the wedge shape limit 10 shift fork annular groove 13 of its front end makes clamping piston 9 make axial displacement along sun wheel shaft 23.
In the present embodiment: the input of sun wheel shaft 23 is supported in the bearing block of casing 1 by deep groove ball bearing 4, by circlip for hole 3 and circlip for shaft 5, deep groove ball bearing 4 is positioned respectively.The top of push-pull bar 17 is also equipped with knob 16, and push-pull bar 17 is provided with lip-type packing 18 with the intersection of casing 1 outer wall.
As seen from Figure 2: in use, when push-pull bar 17 by under spherical annular groove 24 be positioned casing 1 by plug screw 12, limit spring 14 and steel ball 15 time, jaw 21 separates with the shifting fork annular 13 on clamping piston 9, it is secondary with the common clamping friction of ring washer 8 that holddown spring 11 now orders about clamping piston 9, movable friction plate 6 is determined friction plate 7 and is positioned, sun wheel shaft 23 is braked, final braking cabin and blade.Now, there is certain space between the positive stop lug boss on clamping piston 9 and back-up ring 20.
As seen from Figure 3: during jaw 21 inserts clamping piston 9 upper shift fork annular groove 13, the wedge shape limit 10 of jaw 21 front end drives clamping piston 9 along the axial displacement of sun wheel shaft 23 and to oppress holddown spring 11, finally it is positioned casing 1 by upper spherical annular groove 22 by plug screw 12, limit spring 14 and steel ball 15, making clamping piston 9 depart from friction pair, sun wheel shaft 23 is released.Now, there is no space between positive stop lug boss and the back-up ring 20 on clamping piston 9, or there is the space less than on-position.
Claims (2)
1. driftage, an input for variable propeller gearbox, including casing, sun wheel shaft and sealing ring, it is characterised in that: being additionally provided with friction clutch in described sun wheel shaft, concrete structure is:
A) casing described in is provided with the internal spline of friction clutch, and be furnished with and determine friction plate group, the corresponding section of described sun wheel shaft is provided with the external splines of friction clutch, and is furnished with movable friction plate group, and the monolithic of fixed and moving friction plate group forms one group of friction pair the most alternately；
B) being additionally provided with the clamping piston of concentric in sun wheel shaft, clamping piston is provided with shifting fork annular, positive stop lug boss and equally distributed holddown spring seat；
C) casing is furnished with back-up ring, circlip for hole and ring washer, wherein, ring washer is butted on casing, clamping piston and ring washer are positioned at the both sides of friction pair, clamping piston by positive stop lug boss by circlip for hole and retainer ring spacing in casing, the holddown spring in holddown spring seat is butted on back-up ring；
D) casing is additionally provided with shift fork, described shift fork includes jaw and push-pull bar, the front end of jaw is wedge shape limit, push-pull bar is provided with upper and lower spherical annular groove, push-pull bar one end is inserted end after inserting casing and is docked with the jaw in casing, push-pull bar drives in jaw displacement, on it spherical annular groove or under spherical annular groove be positioned casing by plug screw, limit spring and steel ball；
E) after the shifting fork annular on clamping piston passes through back-up ring, the inwall of shifting fork annular is orthogonal with the prong end motion track of shift fork, and when jaw end inserts, the inwall of the wedge shape limit shift fork annular groove of its front end makes clamping piston make axial displacement along sun wheel shaft.
Driftage the most according to claim 1, the input of variable propeller gearbox, it is characterised in that: push-pull bar is provided with lip-type packing with the intersection of cabinet exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101893.5U CN205446682U (en) | 2015-12-28 | 2015-12-28 | Input of driftage, change oar gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101893.5U CN205446682U (en) | 2015-12-28 | 2015-12-28 | Input of driftage, change oar gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446682U true CN205446682U (en) | 2016-08-10 |
Family
ID=56578586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101893.5U Withdrawn - After Issue CN205446682U (en) | 2015-12-28 | 2015-12-28 | Input of driftage, change oar gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443748A (en) * | 2015-12-28 | 2016-03-30 | 南京高速齿轮制造有限公司 | Input end for yawing gearboxes and pitch-varying gearboxes |
-
2015
- 2015-12-28 CN CN201521101893.5U patent/CN205446682U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443748A (en) * | 2015-12-28 | 2016-03-30 | 南京高速齿轮制造有限公司 | Input end for yawing gearboxes and pitch-varying gearboxes |
| CN105443748B (en) * | 2015-12-28 | 2017-08-25 | 南京高速齿轮制造有限公司 | Driftage, the input of variable propeller gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20170825 |