CN101881308B - Decoupler shaft for high-speed engine - Google Patents
Decoupler shaft for high-speed engine Download PDFInfo
- Publication number
- CN101881308B CN101881308B CN201010173793.9A CN201010173793A CN101881308B CN 101881308 B CN101881308 B CN 101881308B CN 201010173793 A CN201010173793 A CN 201010173793A CN 101881308 B CN101881308 B CN 101881308B
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- China
- Prior art keywords
- axle
- diameter
- mid portion
- clutch
- actuating structure
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- 210000001847 Jaw Anatomy 0.000 claims description 9
- 238000004804 winding Methods 0.000 description 5
- 210000003027 Ear, Inner Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
For the decoupler shaft of high-speed engine, having actuating structure, this actuating structure includes having sloping.Slope has the ramp angle between 6.2 ° and 6.4 °.Decoupler shaft can be the slip decoupler shaft as clutch member.And, rotor and include that the electromotor of clutch member is also disclosed and claims.
Description
Technical field
The application relates to power shaft is being used to selectively connect in generator rotor shaft dividing of use
From device axle and actuation yoke.
Background technology
The electromotor being normally used for generation electric energy includes receiving the power shaft of rotational source.As showing
Example, gas-turbine has axle, and this axle drives power shaft by gear train.Sometimes, it is undesirable to generating
Machine is driven in rotation.Therefore it provides clutch is to be optionally connected to generator rotor shaft
Power shaft.Clutch generally include slip toothed clutch member, this clutch member along
Rotation axis slides between bonding station and separation point position.
In the electromotor of a known type, it is oblique that slip-clutch component includes with on shift fork
The slope of domatic cooperation.Two faces are contacted with each other, and shift fork cam acts on (camming)
The tooth that slip-clutch component is in engaging away from power shaft is disengaged, and slides
Clutch member and therefore generator rotor shaft are no longer driven.
In existing clutch member, the angle on the slope separating power to requiring at high speeds
Application for big can not accept.It is usually 7 ° as example, lift angle or ramp angle.Lift angle
Determine the speed that axle can move axially.This sizable lift angle cause high axle speed issue estranged from
During event, there is higher force reaction on the slope engaged and shift fork face.
Summary of the invention
Clutch member in generator clutch has actuating structure, and actuating structure includes
Face with a ramp.Slope has the ramp angle between 6.2 ° and 6.4 °.Engage the cause on slope
Dynamic shift fork (actuation yoke) has the angled face of complementation.Clutch member can be
Slip decoupler shaft.
The rotor assembly of electromotor includes the armature spindle receiving windings section.Armature spindle is also at endoporus
Middle reception slip-clutch component.Clutch member and armature spindle are respectively provided with spline, these splines
The slip in armature spindle of the pilot clutch component.Clutch member has the first end and the second end,
This first end has spline, and the second end has actuating structure, and this actuating structure includes with relative
The tooth of the tooth engagement on jaw clutch.The spring making jaw clutch biased engagement is positioned at
The inside of the spline of slip-clutch component.Described actuating structure also includes that face with a ramp is come
Receive actuation yoke, and described slope has the ramp angle between 6.2 ° and 6.4 °.
Electromotor includes the stator around armature spindle, and armature spindle receives windings section.Armature spindle is also
Slip-clutch component is received in endoporus.Clutch member and armature spindle are respectively provided with spline, this
A little spline guides clutch member slips in described armature spindle.Clutch shaft has the first end
With the second end, this first end has spline, and the second end has actuating structure, this actuating structure bag
Include the tooth engaged with the tooth on relative jaw clutch.Make jaw clutch biased engagement
Spring be positioned at the inside of spline of slip-clutch component.Described actuating structure also include with
The face on slope receives actuation yoke, and described slope have between 6.2 ° and 6.4 ° oblique
Slope angle.
These and other features of the invention are best by obtaining from following description and drawings
Understand, accompanying drawing explanation is presented herein below.
Accompanying drawing explanation
Fig. 1 is the view of electromotor.
Fig. 2 is the cross sectional view of electromotor.
The detailed view of a part for the clutch that Fig. 3 is included in electromotor.
Fig. 4 is the cross sectional view of slip-clutch component.
Fig. 5 is the detailed view of the actuation part of the slip-clutch component of Fig. 4.
Fig. 6 shows the slip-clutch component of Fig. 4 spiral ramp angle on circumferential distance.
Fig. 7 is the end-view of the slip-clutch component of Fig. 4.
Detailed description of the invention
Fig. 1 schematically shows the electromotor 20 including stator 21.Clutch member 22 has
The tooth of the tooth on joint power shaft 300 selectively.Clutch member 22 also can be moved to
Engage power shaft 300 or separate from power shaft 300.
Main winding part 24 rotates about at stator 21.Excitation rotor 26 and PM rotor 28
There is provided and control and security function, and be also combined with the stator (not shown) of each of which.Bearing
30 and 32 ends to axial being arranged on main winding part 24.
It is shown in broken lines driving input 300 in FIG, and schematically shows shift fork 301.Dial
Fork 301 engages the cam face on clutch member 22 and is axially translated with away from power shaft
300, thus optionally separate driving.
The aspect of the tooth in clutch member can be in submission on May 6th, 2009, Serial No.
12/436168, entitled " band be reduced the wide high speed of the jaw clutch teeth of separating load from
Clutch design (High Speed Clutch Design with Jaw Tooth Profile to
Reduce Separating Load) " co-pending patent application in find.
As in figure 2 it is shown, electromotor 20 includes being arranged on every one end of main winding part 24
Bearing 30 and 32.Winding 37 and lamination 38 are received in this main winding part 24.
The enlarged 54 of clutch member 22 and the internal diameter (inner of armature spindle 42
Diameter) tight fit.The opposite end of slip-clutch component 22 at its spline 36 by turn
The internal splines 52 of sub-axle 42 supports.Schematically showing rectifier assembly 48, it is set
Put in the hole in armature spindle 42.
In the axially intermediate portion of the endoporus that spline tooth 52 is formed at axle 42, and with clutch structure
Spline tooth 36 on part 22 coordinates.Spring 50 biases clutch outwardly and against power shaft 300
Component 22.Spring 50 is included in the internal diameter of end 102 of clutch member 22, is enclosed within it
The inside of spline 36 significantly assembles advantage to provide.The operation of electromotor 20 further thin
Joint can be submitted to from that had by present assignee, on May 6th, 2009, serial number is
12/436161, entitled " have generator amature (the Generator Rotor of the quill shaft of improvement
With Improved Hollow Shaft) " in be more fully understood that.
Fig. 3 shows the slip-clutch component 22 with slope (ramp) 108, slope 108
With open area 310, shift fork 301 initially will move into open area 310.Clutch member 22
On tooth 110 and tooth 104 interfix on the power shaft 300 that coordinates with by slip-clutch structure
Part 22 drives the rotation from power shaft 300.When expecting that clutch member 22 does not rotates,
Or electromotor 20 is not when running, then shift fork 301 moved into the position of diagram in Fig. 3, and uses
The cooperation ramped surfaces 122 of shift fork is along ramped surfaces 108 shift fork 301.Should be appreciated that
Ramped surfaces 108 and 122 is formed as the ramp angles with complementation.
As shown in Figure 4, clutch member 22 includes central shaft 104, central shaft 104 with
The bellend 102 of spline 36, the front portion 54 received in the inner peripheral surface of armature spindle 42 (see
Fig. 2), extend between slope 108 and jaw clutch teeth 110.As it is shown in figure 5, tiltedly
Slope 108 includes enlarged area 310, and shift fork will move into enlarged area 310.Also show tooth 110.
The most as shown in Figure 4, the internal diameter in tooth is d2.The internal diameter of mid portion 104 is in d1
Between the external diameter of part 104 be d4.The external diameter of anterior 54 is d 3.The internal diameter of end 102 is d5.
In one embodiment, d1 is .545 " (13.8mm), d2 be .567 " (14.4mm), d3
1.919 " (48.74mm), d4 is .745 " (18.8mm), d5 be 1.290 " (32.8mm).
The ratio of d1 and d2 between .92 and 1.00, the ratio of d2 and d3 between .29 and .30,
The ratio of d1 and d4 is between .70 and .76, and the ratio of d1 and d5 is between .40 and .44.
And, as clearly visible from Fig. 4, oil dam/labyrinth seal 400 is arranged on radially
In outward extending flange 401, flange 401 extend radially outwardly from central shaft 104 and with connect
The end 102 receiving spline 36 connects.As indicated, oil dam/labyrinth seal 400 axially
Left end 410 extends axially beyond flange 401.Return to Fig. 2, it is shown that oil pipe 40 prolong
Extend into oil dam/labyrinth seal 400.This oil pipe is by the oil inside offering to clutch member 22.
Fig. 6 shows that the ramp angle in the application is angle, θ, and shows the multiple angles of leap
The circumferentially deploying view on this slope.It also show open area 310, dials in engaging process
Fork moves into this open area.In one embodiment, angle, θ is 6.3 °.Preferred in the present invention
In embodiment, θ can be between 6.2 ° and 6.4 °.Shift fork has the cooperation ramp angles consistent with θ.
Fig. 7 is the end-view of a part for slip-clutch component 22 and shows enlarged
54 and cut off surface 112.Cut off the centrage of surface deviation clutch member 22, and extend about
67°.In one embodiment, the radius cutting off surface to this is .800 " (20.3mm), from
And provide 1.600 " effective diameter of (40.6mm), with the 1.919 of enlarged 54 "
(48.74mm) overall diameter forms comparison.Preferably, to diameter and the expansion of truncated portion
The ratio of the overall diameter of part is between .80 and .85.Cut off the relative slope 108 on surface 112
Position as lightweight angular zone to explain for the slide engaging and disengaging component of spin balancing purpose
The geometry on the slope 108 of 22.Cut off the cutaway portion also conduct oil flow orifice on surface 112,
This oil flow orifice stops between slip-clutch component 22 and armature spindle 42 in departure event
Hydraulic locking (space of closure).
In the case of using the face of the present invention between shift fork and slip decoupler shaft, accelerate this axle
Only need less power.Therefore, higher rotary speed is provided for whole clutch and electromotor
Ability.
Although disclosing embodiments of the present invention, but those skilled in the art it will be appreciated that
Some deformation also falls within the scope of the present invention.Therefore, it should the claim appended by research with
Determine true scope and the content of the present invention.
Claims (15)
1. the clutch member in generator clutch, including:
Actuating structure, it includes face with a ramp；With
Described slope has the ramp angle between 6.2 ° and 6.4 °,
Described clutch member is the slip decoupler shaft with the first end and the second end, described
One end has the spline slided along generator rotor shaft, and described second end has described actuating and ties
Structure, and include the tooth engaged with the tooth on relative jaw clutch,
Enlarged on described axle is in the inner side from described second end on described slope, described
Enlarged has the diameter bigger than the external diameter on described slope,
Described enlarged has truncated portion, and described truncated portion is formed at from described axle
On the tangent line of the radius of central axis, and to radius and the described expansion section of described truncated portion
The ratio of the radius point in the position not having described truncated portion is between 0.80 and 0.85.
2. clutch member as claimed in claim 1, wherein said clutch member includes spring,
This spring biases described clutch member in normal state so that it engages, and described spring is in institute
State in the hole of clutch member.
3. clutch member as claimed in claim 1, described first end of wherein said axle is formed
For having the diameter bigger than the mid portion of described axle, the mid portion of described axle is by described axle
Described first end be connected to the described actuating structure of described axle, and be provided with connection described first
End and the flange of described mid portion.
4. clutch member as claimed in claim 3, wherein plug cock is arranged on described mid portion
In, and axially extending from the described mid portion of described axle and exceed described flange.
5. clutch member as claimed in claim 3, the described actuating structure of wherein said axle
Internal diameter has diameter, and the diameter of the described mid portion of described axle is less diameter, its
Described in the ratio in inside/outside footpath of described mid portion of axle between 0.70 and 0.76, and its
Described in the ratio of internal diameter and the internal diameter of the described actuating structure of described axle of described mid portion of axle
Rate is between 0.92 and 1.00.
6. for the rotor of electromotor, including:
Armature spindle, described armature spindle receives windings section, and described armature spindle is also in endoporus
Receiving slip-clutch axle, described clutch shaft and armature spindle are respectively provided with spline, and these splines draw
Lead the slip in described armature spindle of the described clutch shaft；With
Described clutch shaft has the first end and the second end, and this first end has described spline, institute
State the second end and there is actuating structure, this actuating structure include with on relative jaw clutch
Tooth engagement tooth, described actuating structure also include face with a ramp to receive actuation yoke, and
And described slope has the ramp angle between 6.2 ° and 6.4 °,
Enlarged on described axle is in the inner side from described second end on described slope, described
Enlarged has the diameter bigger than the external diameter on described slope,
Described enlarged has truncated portion, and described truncated portion is formed at from described axle
On the tangent line of the radius of central axis, and to radius and the described expansion section of described truncated portion
The ratio of the radius point in the position not having described truncated portion is between 0.80 and 0.85.
7. rotor as claimed in claim 6, described first end of wherein said clutch shaft is formed
For having the diameter bigger than the mid portion of described axle, the mid portion of described axle is by described axle
Described first end be connected to the described actuating structure of described axle, and be provided with connection described first
End and the flange of described mid portion.
8. rotor as claimed in claim 7, wherein plug cock is arranged on the described pars intermedia of described axle
Divide interior and axially extending from the described mid portion of described axle and exceed described flange.
9. rotor as claimed in claim 8, in wherein one end of oil pipe is supported on described plug cock,
And it is fixed to a structure at the other end, this structure and then be connected to described armature spindle.
10. rotor as claimed in claim 7, the internal diameter of the described actuating structure of wherein said axle
There is diameter, and the diameter of the described mid portion of described axle is less diameter, and its
Described in the ratio of internal diameter and the internal diameter of the described actuating structure of described axle of described mid portion of axle
Rate is between 0.92 and 1.00.
11. 1 kinds of electromotors, including:
Around the stator of armature spindle, described armature spindle receives windings section, and described armature spindle
Also receiving slip-clutch axle in endoporus, described clutch shaft and armature spindle are respectively provided with spline,
Clutch shaft slip in described armature spindle described in these spline guides；With
Described clutch shaft has the first end and the second end, and this first end has described spline, institute
State the second end and there is actuating structure, this actuating structure include with on relative jaw clutch
Tooth engagement tooth, described actuating structure also include face with a ramp to receive actuation yoke, and
And described slope has the ramp angle between 6.2 ° and 6.4 °,
Enlarged on described axle is in the inner side from described second end on described slope, described
Enlarged has the diameter bigger than the external diameter on described slope,
Described enlarged has truncated portion, and described truncated portion is formed at from described axle
On the tangent line of the radius of central axis, and to radius and the described expansion section of described truncated portion
The ratio of the radius point in the position not having described truncated portion is between 0.80 and 0.85.
12. electromotors as claimed in claim 11, described the first of wherein said clutch shaft
End is formed as having the diameter bigger than the mid portion of described axle, and the mid portion of described axle will
Described first end of described axle is connected to the described actuating structure of described axle, and is provided with connection institute
State the first end and the flange of described mid portion.
13. electromotors as claimed in claim 12, wherein plug cock is arranged on the described of described axle
In mid portion and axially extending from the described mid portion of described axle and exceed described flange.
14. electromotors as claimed in claim 13, wherein one end of oil pipe is supported on described oil
In plug, and it is fixed to a structure at the other end, this structure and then be connected to described armature spindle.
15. electromotors as claimed in claim 13, the described actuating structure of wherein said axle
Internal diameter has diameter, and the diameter of the described mid portion of described axle is less diameter, and
And the internal diameter of the internal diameter of the described mid portion of wherein said axle and the described actuating structure of described axle
Ratio between 0.92 and 1.00.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/436,159 US8963391B2 (en) | 2009-05-06 | 2009-05-06 | Decoupler shaft for high speed generator |
| US12/436159 | 2009-05-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101881308A CN101881308A (en) | 2010-11-10 |
| CN101881308B true CN101881308B (en) | 2016-11-30 |
Family
ID=
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2642970A (en) * | 1950-02-23 | 1953-06-23 | O E Szekely & Associates Inc | Latch released positive clutch |
| US4934977A (en) * | 1985-11-07 | 1990-06-19 | Sundstrand Corporation | Thermal disconnect coupling |
| US5031740A (en) * | 1989-11-27 | 1991-07-16 | Sundstrand Corporation | High speed cam actuated disconnect |
| US5103949A (en) * | 1990-11-08 | 1992-04-14 | Sundstrand Corporation | Thermal disconnect |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2642970A (en) * | 1950-02-23 | 1953-06-23 | O E Szekely & Associates Inc | Latch released positive clutch |
| US4934977A (en) * | 1985-11-07 | 1990-06-19 | Sundstrand Corporation | Thermal disconnect coupling |
| US5031740A (en) * | 1989-11-27 | 1991-07-16 | Sundstrand Corporation | High speed cam actuated disconnect |
| US5103949A (en) * | 1990-11-08 | 1992-04-14 | Sundstrand Corporation | Thermal disconnect |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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