CN207328816U - A kind of power wheel electric driver of civil aircraft undercarriage - Google Patents
A kind of power wheel electric driver of civil aircraft undercarriage Download PDFInfo
- Publication number
- CN207328816U CN207328816U CN201721157828.3U CN201721157828U CN207328816U CN 207328816 U CN207328816 U CN 207328816U CN 201721157828 U CN201721157828 U CN 201721157828U CN 207328816 U CN207328816 U CN 207328816U
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- CN
- China
- Prior art keywords
- planetary gear
- wheel
- gear
- planet
- external toothing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of power wheel electric driver of civil aircraft undercarriage, by driving motor to drive motor output gear to rotate, sun gear, planetary gear, external toothing, planet external toothing clutch and wheel hub are output to by motor output gear, realize that the power of wheel hub directly exports.The utility model is powered with accessory power system, drives the motor of the power wheel of undercarriage, aircraft is independently released without using sustainer or wheel holding car.Power wheel electric drive technology may extend to the vehicles such as feeder liner, common aero vehicle and hovercar.Future carries out ground maneuvers there are the problems such as security risk is more, noise is larger, seriously polluted in city by airscrew engine or ducted fan engine, and it is a kind of more rational ground maneuvers mode to be slided by power wheel power drive system traction civil aircraft green.
Description
Technical field:
It the utility model is related to a kind of power wheel electric driver of civil aircraft undercarriage.
Background technology:
Green aviation is the important development direction in world civil aircraft field.For civil aircraft landing in ground taxiing procedures
In, the problems such as engine efficiency is low, oil consumption is big, seriously polluted, American-European countries carries out substitutes engine towing aircraft with motor
Mobile green electric taxi system research.Green electric taxi system refers to when being moved on taxiway, without
Using sustainer, the traction being placed in undercarriage wheel electricity is driven by the electric power system auxiliary power unit of itself
Machine, it is possible to complete the action in aircraft taxi stage, significantly reduce engine consumption, reduce carbon emission amount, extend
Engine service life.Foreign study data is shown:The technology can be that the fuel oil of every section of voyage saving nearly 4% of A320 aircrafts disappears
Consumption, can help the every frame machine of airline to save ten thousand dollars of 20-45 every year.In addition, the system also greatly reduce carbon emission,
Noise pollution is reduced, the risk of exotic infringement engine impeller on airplane parking area is reduced, reduces ground service people on airplane parking area
The risk of member.China is studied in terms of green aviation and electric taxi system still belongs to blank.
Utility model content:
The utility model is to provide a kind of civil aircraft undercarriage to solve the above-mentioned problems of the prior art
Power wheel electric driver.
The utility model adopts the following technical solution:A kind of power wheel electric driver of civil aircraft undercarriage, by
Motor, motor output gear, sun gear, planetary gear, external toothing, planet carrier, planetary gear shaft, dustproof cover, machine wheel carrier, wheel
Wheel hub, wheel tire and planet external toothing clutch composition;
The machine wheel carrier is bilateral symmetry, offers the first macropore and respectively in the left and right sides of the machine wheel carrier
One aperture, installs motor in the first macropore, installs planetary gear shaft in the first aperture, and motor and planetary gear shaft are and machine wheel carrier
It is fixedly connected, planetary gear is installed in the planetary gear shaft, motor output gear is installed on the output shaft of motor;
The planetary gear shaft stretches out in fixed planet carrier, and planet carrier is fixed by planetary gear shaft and machine wheel carrier
Connection, second orifice is provided with the planet carrier with the corresponding position of planetary gear shaft, for through planetary gear shaft,
The second macropore is offered with motor opposite position, for exposing motor output gear, the center of the planet carrier opens up
There is the 3rd aperture, for installing sun gear, dustproof cover is installed outside the outside of planet carrier;
The sun gear is pair of lamina gear, close to being relatively large in diameter for machine wheel carrier side, the diameter away from machine wheel carrier side
Smaller, the side that double-layer gear is relatively large in diameter is engaged with motor output gear, and the planetary gear and double-layer gear diameter are smaller
Side engagement;
The inner ring of the external toothing is with teeth, is engaged with planetary gear;
The motor rotational drive motor output gear rotates, and motor output gear gives the sun with sun gear engaged transmission
Wheel, sun gear and planetary gear engaged transmission give planetary gear, the rotation of planet gear drives external toothing, the planet external toothing from
Clutch is installed on external toothing both sides, and planet external toothing clutch is engaged with external toothing, and external toothing drives planet external toothing clutch
Rotate, the planet external toothing clutch is connected firmly with wheel hub, and wheel tire is installed on wheel hub.
Further, the left and right sides of the machine wheel carrier includes 3 planetary gear shafts respectively.
Further, bearing is installed between the external toothing and planet carrier.
Further, the center planetary gear is equipped with circular hole, is rotated for being fixed in planetary gear shaft.
Further, the planetary gear shaft end carries ball bumps, for preventing planetary gear from sliding laterally.
Further, the both ends of the sun gear carry cylindrical bump, fixed in planet carrier.
Further, the planet carrier is a circular sheet.
The utility model has the advantages that:The utility model is powered with accessory power system, drives aircraft takeoffs and landings
The motor of the power wheel of frame, enables aircraft independently to release without using sustainer or wheel holding car.Carried by sustainer
For aircraft slide needed for thrust efficiency it is low, oil consumption rate is high, and discharge is larger, reduces engine life;By wheel holding car towing aircraft
Need ground crew to connect and disconnect tractor and aircraft, waste the aircraft scheduling time, restrict airline's landing shift.Engine
Wheel electric drive technology can reduce scheduling time, reduce the time that aircraft uses sustainer during sliding, and then each
Fuel consumption is reduced in filght number, can additionally reduce ground crew's risk, engine and brake pad wear is reduced, reduces
Noise pollution and carbon and nitrogen oxides emission, while alleviate boarding gate and airplane parking area congestion phenomenon, the punctuality rate that takes off is lifted, by more
Smoothly floor control works, and passenger is more quickly disembarked.Power wheel electric drive technology may extend to feeder liner, general
The vehicles such as aviation aircraft and hovercar.Future is carried out in city by airscrew engine or ducted fan engine
Ground maneuvers are drawn civilian there are the problems such as security risk is more, noise is larger, seriously polluted by power wheel power drive system
It is a kind of more rational ground maneuvers mode that aircraft green, which slides,.
Brief description of the drawings:
Fig. 1 is the utility model partial structural diagram.
Fig. 2 is another partial structural diagram of the utility model.
Fig. 3 is the another partial structural diagram of the utility model.
Fig. 4 is the another partial structural diagram of the utility model.
Fig. 5 is the another partial structural diagram of the utility model.
Fig. 6 is the another partial structural diagram of the utility model.
Fig. 7 is the another partial structural diagram of the utility model.
Fig. 8 is the another partial structural diagram of the utility model.
Fig. 9 is the another partial structural diagram of the utility model.
Figure 10 is the another partial structural diagram of the utility model.
Figure 11 is the another partial structural diagram of the utility model.
Figure 12 is the another partial structural diagram of the utility model.
Embodiment:
The utility model will be further described below with reference to the accompanying drawings.
The power wheel electric driver of the utility model civil aircraft undercarriage is by motor 1, motor output gear 2, too
Sun wheel 3, planetary gear 4, external toothing 5, planet carrier 6, planetary gear shaft 7, dustproof cover 8, machine wheel carrier 9, wheel hub 10, wheel wheel
Tire 11 and planet external toothing clutch 12 form.
Machine wheel carrier 9 is bilateral symmetry, offers three the first apertures and one respectively in the left and right sides of machine wheel carrier 9
First circular hole of macropore four, wherein, motor 1 is installed in first macropore, planetary gear shaft 7, motor 1 and row are installed in the first aperture
Star gear shaft 7 is fixedly connected with machine wheel carrier 9.The left and right sides of machine wheel carrier 9 includes 3 planetary gear shafts 7, planetary gear respectively
Planetary gear 4 is installed on axis 7.Motor output gear 2 is installed on the output shaft of motor 1.
Planetary gear shaft 7 stretches out in fixed planet carrier 6, and planet carrier 6 is solid by planetary gear shaft 7 and machine wheel carrier 9
Fixed connection.Planet carrier 6 is a circular sheet, and three are had with 7 corresponding position of planetary gear shaft in planet carrier 6
Two apertures, for through planetary gear shaft 7.Second macropore is being offered with 1 opposite position of motor, for exposing motor
Output gear 2.The center of planet carrier 6 offers the 3rd aperture, for installing sun gear 3.Dustproof cover 8 installs planet carrier
Outside 6 outside, for preventing foreign matter from entering.
Sun gear 3 is pair of lamina gear, is relatively large in diameter close to 9 side of machine wheel carrier, the diameter away from 9 side of machine wheel carrier compared with
It is small.The both ends of sun gear 3 carry cylindrical bump, fixed in planet carrier 6.The side that double-layer gear is relatively large in diameter and electricity
Machine output gear 2 engages.
4 center of planetary gear is equipped with circular hole, is rotated for being fixed in planetary gear shaft 7.7 end of planetary gear shaft carries
Ball bumps, for preventing planetary gear 4 from sliding laterally.Planetary gear 4 is engaged with the less side of double-layer gear diameter.
The inner ring of external toothing 5 is with teeth, is engaged with planetary gear 4.External toothing 5 will be rotated by motor 1.External toothing
Bearing (not shown) is installed with to avoid abrasion between 5 and planet carrier 6.
1 rotational drive motor output gear 2 of motor rotates, and motor output gear 2 gives sun gear with the engaged transmission of sun gear 3
3, the engaged transmission of sun gear 3 and planetary gear 4 give planetary gear 4, and the driving external toothing 5 of planetary gear 4 rotates, planet external toothing from
Clutch 12 is installed on 5 both sides of external toothing, and planet external toothing clutch 12 is engaged with external toothing 5, and external toothing 5 drives planet external toothing
Clutch 12 rotates.Planet external toothing clutch 12 is connected firmly with wheel hub 10, and wheel tire 11 is installed on wheel hub 10.
It is controlled to move in a lateral direction by servo control mechanism (not shown).Servo control mechanism moves inward, planet external toothing clutch
12 engage with external toothing 5, and external toothing 5 drives planet external toothing clutch 12 to rotate, so as to drive engine wheel to rotate;Servo
Structure moves out, and planet external toothing clutch 12 is disengaged with external toothing 5, and driving of the motor 1 to power wheel stops.
By driving motor 1 to drive motor defeated in the power wheel electric driver of the utility model civil aircraft undercarriage
Go out gear 2 to rotate, sun gear 3, planetary gear 4, external toothing 5, planet external toothing clutch are output to by motor output gear 2
12 and wheel hub 10, realize that the power of wheel hub 10 directly exports.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, some improvement can also be made on the premise of the utility model principle is not departed from, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (7)
- A kind of 1. power wheel electric driver of civil aircraft undercarriage, it is characterised in that:By motor (1), motor output gear Take turns (2), sun gear (3), planetary gear (4), external toothing (5), planet carrier (6), planetary gear shaft (7), dustproof cover (8), wheel Frame (9), wheel hub (10), wheel tire (11) and planet external toothing clutch (12) composition;The machine wheel carrier (9) is bilateral symmetry, offered respectively in the left and right sides of the machine wheel carrier (9) the first macropore and First aperture, motor (1) is installed in the first macropore, planetary gear shaft (7), motor (1) and planetary gear are installed in the first aperture Axis (7) is fixedly connected with machine wheel carrier (9), and planetary gear (4), motor output gear (2) are installed on the planetary gear shaft (7) It is installed on the output shaft of motor (1);The planetary gear shaft (7) stretches out in fixed planet carrier (6), and planet carrier (6) passes through planetary gear shaft (7) and machine Wheel carrier (9) is fixedly connected, and is provided with second orifice with planetary gear shaft (7) corresponding position on the planet carrier (6), is used for Through planetary gear shaft (7), the second macropore is being offered with motor (1) opposite position, for exposing motor output gear (2), the center of the planet carrier (6) offers the 3rd aperture, and for installing sun gear (3), dustproof cover (8) installation is expert at Outside the outside of carrier (6);The sun gear (3) is pair of lamina gear, close to being relatively large in diameter for machine wheel carrier (9) side, remote machine wheel carrier (9) side Diameter is smaller, and the side that double-layer gear is relatively large in diameter is engaged with motor output gear (2), the planetary gear (4) and double-layered tooth The less side engagement of wheel diameter;The inner ring of the external toothing (5) is with teeth, is engaged with planetary gear (4);Motor (1) the rotational drive motor output gear (2) rotates, motor output gear (2) and sun gear (3) engaged transmission Sun gear (3) is given, sun gear (3) gives planetary gear (4), planetary gear (4) driving external toothing with planetary gear (4) engaged transmission (5) rotate, the planet external toothing clutch (12) is installed on external toothing (5) both sides, planet external toothing clutch (12) with outside Gear ring (5) engage, external toothing (5) drive planet external toothing clutch (12) rotate, the planet external toothing clutch (12) with Wheel hub (10) connects firmly, and wheel tire (11) is installed on wheel hub (10).
- 2. the power wheel electric driver of civil aircraft undercarriage as claimed in claim 1, it is characterised in that:The wheel The left and right sides of frame (9) includes 3 planetary gear shafts (7) respectively.
- 3. the power wheel electric driver of civil aircraft undercarriage as claimed in claim 1, it is characterised in that:The external tooth Bearing is installed between circle (5) and planet carrier (6).
- 4. the power wheel electric driver of civil aircraft undercarriage as claimed in claim 1, it is characterised in that:The planet Gear (4) center is equipped with circular hole, is rotated for being fixed in planetary gear shaft (7).
- 5. the power wheel electric driver of civil aircraft undercarriage as claimed in claim 1, it is characterised in that:The planet Gear shaft (7) end carries ball bumps, for preventing planetary gear (4) from sliding laterally.
- 6. the power wheel electric driver of civil aircraft undercarriage as claimed in claim 1, it is characterised in that:The sun The both ends of wheel (3) carry cylindrical bump, fixed in planet carrier (6).
- 7. the power wheel electric driver of civil aircraft undercarriage as claimed in claim 1, it is characterised in that:The planet Frame (6) is a circular sheet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721157828.3U CN207328816U (en) | 2017-09-11 | 2017-09-11 | A kind of power wheel electric driver of civil aircraft undercarriage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721157828.3U CN207328816U (en) | 2017-09-11 | 2017-09-11 | A kind of power wheel electric driver of civil aircraft undercarriage |
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Publication Number | Publication Date |
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CN207328816U true CN207328816U (en) | 2018-05-08 |
Family
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CN201721157828.3U Expired - Fee Related CN207328816U (en) | 2017-09-11 | 2017-09-11 | A kind of power wheel electric driver of civil aircraft undercarriage |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107600395A (en) * | 2017-09-11 | 2018-01-19 | 南京航空航天大学 | A kind of power wheel electric driver of civil aircraft undercarriage |
-
2017
- 2017-09-11 CN CN201721157828.3U patent/CN207328816U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107600395A (en) * | 2017-09-11 | 2018-01-19 | 南京航空航天大学 | A kind of power wheel electric driver of civil aircraft undercarriage |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20210911 |
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CF01 | Termination of patent right due to non-payment of annual fee |