CN103486196A - Torsional vibration and damping device for high-power direct current aero-generators - Google Patents
Torsional vibration and damping device for high-power direct current aero-generators Download PDFInfo
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- CN103486196A CN103486196A CN201310443092.6A CN201310443092A CN103486196A CN 103486196 A CN103486196 A CN 103486196A CN 201310443092 A CN201310443092 A CN 201310443092A CN 103486196 A CN103486196 A CN 103486196A
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- generator
- transmission shaft
- disk
- torsional vibration
- dampener
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Abstract
The invention relates to a torsional vibration and damping device for high-power direct current aero-generators. The torsional vibration and damping device is characterized in that a transmission shaft of a generator is sleeved with a rigid damping disc, a friction plate, an elastic damping disc and a powder metallurgy bushing, an inner hole of the power metallurgy bushing is in a No.5 Brown-Sharpe cone structure press-fitted on the transmission shaft of the generator, an inner hole of the elastic damping disc is fitted to the power metallurgy bushing through involute spline sides, a hollow shaft is sleeved with the rigid damping disc, and the friction plate is disposed between the rigid damping disc and the elastic damping disc. The torsional vibration and damping device has the advantages that the hollow shaft and the transmission shaft are designed into a composite structure; additionally, the torsional vibration and damping device is disposed between the hollow shaft and the transmission shaft in order to suppress transmission amplitude of the transmission shaft, and accordingly influences of abnormal impact and vibration upon the generator are reduced and normal operation of the generator is guaranteed.
Description
Technical field
The invention belongs to aviation power system, be specifically related to a kind of high-power aviation DC generator torsional oscillation-vibration damping equipment.
Background technique
For the low-voltage DC supply system, generally by DC generator and generator control box and main contactor, formed, the direct current of certain capacity is provided to electrical network on machine.Aboard, DC generator is installed on the accessory drive gearbox of motor, by engine-driving.DC generator is designed to the composite structure of transmission shaft and hollow shaft, middle by involute splines or cone-bond structure connection, transmission shaft is connected to come transmitting torque with the inner sleeve tooth of motor by involute splines, and the characteristics of this structure are that transmission shaft can cushion the impact on generator such as certain motor shock and vibration.Particularly be used in the generator on trainer aircraft for powerful generator, in actual the use, training plane effectiveness more frequently and frequently occurs climbing, motor-driven large turning, the recurrence of diving, land such as fly at the various flight trainings actions, make shock and vibration and the change in torque of motor larger, thereby cause generator operation very not steady, affect the normal operation of generator, so should take necessary measure to eliminate or reduce its impact, guarantee completing of flight safety and training mission.
Summary of the invention
The technical problem solved
For fear of the deficiencies in the prior art part, the present invention proposes a kind of high-power aviation DC generator torsional oscillation-vibration damping equipment, driving end in powerful aviation DC generator, in order to suppress the transmission shaft driven amplitude, be provided with torsional oscillation-vibration damping equipment between hollow shaft and transmission shaft, reduce the impact of the abnormal shock and vibration of motor on generator, guarantee the normal operation of generator.
Technological scheme
A kind of high-power aviation DC generator torsional oscillation-vibration damping equipment, is characterized in that comprising rigidity damping disk(-isc) 1, friction plate 2, dampener disk 3 and powder metallurgy lining 4; Rigidity damping disk(-isc) 1, friction plate 2, dampener disk 3 and powder metallurgy lining 4 all are enclosed within on the transmission shaft 5 of generator, and the endoporus of powder metallurgy lining 4 is No. 5 Blang-Sha Bi cone structures, and No. 5 Blang-Sha Bi cone structure is fitted on the transmission shaft 5 of generator; The endoporus of dampener disk 3 relies on the involute splines flank to coordinate with powder metallurgy lining 4, and rigidity damping disk(-isc) 1 is enclosed within on hollow shaft 6; Friction plate 2 is placed between rigidity damping disk(-isc) 1 and dampener disk 3.
No. 5 Blang of described powder metallurgy lining 4 endoporus-Sha Bi cone structure is the 90mm position apart from the end face of the transmission shaft of generator.
The end face of described dampener disk 3 is 1.5mm to the end face distance of hollow shaft.
Beneficial effect
A kind of high-power aviation DC generator torsional oscillation-vibration damping equipment that the present invention proposes, except hollow shaft and transmission shaft are designed to composite structure, in order to suppress the transmission shaft driven amplitude, be provided with torsional oscillation-vibration damping equipment between hollow shaft and transmission shaft, can reduce the impact of the abnormal shock and vibration of motor on generator, guarantee the normal operation of generator.
The accompanying drawing explanation
Fig. 1: DC generator torsional oscillation of the present invention-vibration damping structure schematic diagram;
Fig. 2: the structural representation of powder metallurgy lining 4;
Fig. 3: generator drive axle schematic diagram;
Fig. 4: the structural representation of rigidity vibration damping 1;
Fig. 5: the structural representation of dampener disk 3;
A: plan view, b: side view
Fig. 6: the structural representation of friction plate 2;
A: plan view, b: side view;
1-rigidity damping disk(-isc) leans on, 2-friction plate, 3-dampener disk, the 4-powder metallurgy lining, the transmission shaft of 5-generator, 6-hollow shaft, the endoporus of a-powder metallurgy lining, the b-involute splines, the axle head of the transmission shaft of c-generator, d-is the position apart from 90mm apart from axial end, the endoporus that e-rigidity damping disk(-isc) leans on, the seam that f-rigidity damping disk(-isc) leans on, the endoporus of g-dampener disk.
Embodiment
Now in conjunction with the embodiments, the invention will be further described for accompanying drawing:
Torsional oscillation-the vibration damping equipment of the present embodiment is comprised of a lining, two damping disk(-isc)s and a friction plate.Bushing press-mounting, on transmission shaft, is fixed a dampener disk on lining, is that cylindrical straight gear involute splines flank coordinates between the two; Another rigidity damping disk(-isc) is fitted on hollow shaft, and friction plate is placed between two damping disk(-isc)s.Between lining and transmission shaft, between rigidity damping disk(-isc) and hollow shaft, all adopt Blang-Sha Bi cone to press-fit to coordinate (see figure 1).
The rigidity damping disk(-isc) leans on 1 endoporus, sees that the position of label e relies on No. 7 Blang-Sha Bi cones cooperations to be fitted in hollow shaft 6, to guarantee the end face distance 1.5mm of its end face to hollow shaft.
Concrete installation process:
1, powder metallurgy lining (part 4) is fitted in to transmission shaft (part 5) above, guarantees the axial dimension of regulation, form shaft assembly;
2, rigidity damping disk(-isc) (part 1) is fitted in to hollow shaft (part 6) above, guarantees the axial dimension of regulation;
3, by the tooth of dampener disk (part 3) powder metallurgy lining of packing into (part 4), and by friction plate (part 2), be inserted in shaft assembly;
4, the shaft assembly that is above-mentioned formation by transmission shaft (part 5) stretches in hollow shaft (part 6), at non-transmision end, tightens up transmission shaft (part 5); When tightening up transmission shaft (part 5), guarantee that friction plate (part 2) is not eccentric, straight not recessed the getting final product of visual dampener disk (part 3).
When the transmission of aviation DC generator and motor, by the neck bush of generator shaft and motor, with cylinder involute tooth, be measured incompatible realization.The axle of generator is designed to the composite structure of transmission shaft and hollow shaft, transmission shaft is connected by involute splines or cone-bond structure with hollow shaft, transmission shaft is connected to come transmitting torque with the inner sleeve tooth of motor by involute splines, and the characteristics of this structure are that transmission shaft is that elastic axis can cushion the impact on generator such as certain shock and vibration of motor.The present invention relates to a kind of high-power aviation DC generator, except taking combined type axle construction, in order to suppress the transmission shaft driven amplitude, between the driving end of transmission shaft and hollow shaft, be provided with torsional oscillation-vibration damping equipment.
Claims (3)
1. a high-power aviation DC generator torsional oscillation-vibration damping equipment, is characterized in that comprising rigidity damping disk(-isc) (1), friction plate (2), dampener disk (3) and powder metallurgy lining (4); Rigidity damping disk(-isc) (1), friction plate (2), dampener disk (3) and powder metallurgy lining (4) all are enclosed within on the transmission shaft (5) of generator, the endoporus of powder metallurgy lining (4) is No. 5 Blang-Sha Bi cone structures, and No. 5 Blang-Sha Bi cone structure is fitted on the transmission shaft (5) of generator; The endoporus of dampener disk (3) relies on the involute splines flank to coordinate with powder metallurgy lining (4), and rigidity damping disk(-isc) (1) is enclosed within on hollow shaft (6); Friction plate (2) is placed between rigidity damping disk(-isc) (1) and dampener disk (3).
2. high-power aviation DC generator torsional oscillation-vibration damping equipment according to claim 1, it is characterized in that: No. 5 Blang of described powder metallurgy lining (4) endoporus-Sha Bi cone structure is the 90mm position apart from the end face of the transmission shaft of generator.
3. high-power aviation DC generator torsional oscillation-vibration damping equipment according to claim 1, it is characterized in that: the end face of described dampener disk (3) is 1.5mm to the end face distance of hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443092.6A CN103486196B (en) | 2013-09-25 | 2013-09-25 | High-power aviation DC generator torsional oscillation-vibration damping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443092.6A CN103486196B (en) | 2013-09-25 | 2013-09-25 | High-power aviation DC generator torsional oscillation-vibration damping equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103486196A true CN103486196A (en) | 2014-01-01 |
| CN103486196B CN103486196B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310443092.6A Active CN103486196B (en) | 2013-09-25 | 2013-09-25 | High-power aviation DC generator torsional oscillation-vibration damping equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668014A (en) * | 2019-02-01 | 2019-04-23 | 桂林智神信息技术有限公司 | A kind of four axis stabilizers having vertical vibration-damping function |
| CN111263866A (en) * | 2017-09-22 | 2020-06-09 | 法雷奥离合器公司 | Torsion damping device with activatable friction means |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630491A (en) * | 1993-08-12 | 1997-05-20 | Fichtel & Sachs Ag | Friction clutch for a transmission of a motor vehicle and a clutch disc for a friction clutch |
| JPH10115347A (en) * | 1996-10-11 | 1998-05-06 | Kawasaki Heavy Ind Ltd | Vibration damping device for small planing boat |
| CN2871959Y (en) * | 2005-12-30 | 2007-02-21 | 重庆齿轮箱有限责任公司 | Elastic toothed damping coupler |
| CN203477178U (en) * | 2013-09-25 | 2014-03-12 | 陕西航空电气有限责任公司 | Torsional vibration-damping device of high-power aero direct-current generator |
-
2013
- 2013-09-25 CN CN201310443092.6A patent/CN103486196B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630491A (en) * | 1993-08-12 | 1997-05-20 | Fichtel & Sachs Ag | Friction clutch for a transmission of a motor vehicle and a clutch disc for a friction clutch |
| JPH10115347A (en) * | 1996-10-11 | 1998-05-06 | Kawasaki Heavy Ind Ltd | Vibration damping device for small planing boat |
| CN2871959Y (en) * | 2005-12-30 | 2007-02-21 | 重庆齿轮箱有限责任公司 | Elastic toothed damping coupler |
| CN203477178U (en) * | 2013-09-25 | 2014-03-12 | 陕西航空电气有限责任公司 | Torsional vibration-damping device of high-power aero direct-current generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263866A (en) * | 2017-09-22 | 2020-06-09 | 法雷奥离合器公司 | Torsion damping device with activatable friction means |
| CN109668014A (en) * | 2019-02-01 | 2019-04-23 | 桂林智神信息技术有限公司 | A kind of four axis stabilizers having vertical vibration-damping function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103486196B (en) | 2015-08-12 |
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