CN204507250U - Airplane wheel - Google Patents
Airplane wheel Download PDFInfo
- Publication number
- CN204507250U CN204507250U CN201520065333.2U CN201520065333U CN204507250U CN 204507250 U CN204507250 U CN 204507250U CN 201520065333 U CN201520065333 U CN 201520065333U CN 204507250 U CN204507250 U CN 204507250U
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- kernel portion
- coil assembly
- outer wheel
- multiple coil
- 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
Links
Abstract
The utility model discloses a kind of airplane wheel, comprise tire, outer wheel hub and kernel portion, tire sleeve is located on outer wheel hub, kernel portion is arranged in the chamber of outer wheel hub, the inside face of outer wheel hub is provided with polylith permanent-magnet steel, kernel portion comprises multiple coil assembly, braking resistor, controller and wheel shaft, the outer edge area that multiple coil assembly is distributed in kernel portion is corresponding with polylith permanent-magnet steel, controller and multiple coil assembly, braking resistor electrically connect respectively, wheel shaft is positioned on the central axis in kernel portion, and outer wheel hub is set on wheel shaft.Described kernel portion also comprises stator core and fixed mount, and stator core is set on fixed mount, and described multiple coil assembly is arranged on stator core, and described wheel shaft is arranged on the center of fixed mount.It effectively can reduce aircraft wheel when landing and to contact to earth the force of sliding friction and deflecting torque that are subject to, thus greatly promotes safety.
Description
Technical field
The utility model relates to a kind of airplane wheel.
Background technology
When aircraft landing, after aircraft tyre kiss the earth, in very short time, frictionally is by the static sinking speed (being generally 250-350Km/h) accelerating to aircraft in meeting, and this tire to wheel, wheel hub, bearing all can cause great impact load.In the starting stage of tire motion, the firm kiss the earth of tire and twirl, but velocity of rotation does not reach the touchdown speed of aircraft, and thus tire is also in cliding friction state when rotating.On the one hand, cliding friction produces a large amount of heat, causes surface of tyre sharply to wear and tear or worn out, even causes wheel tire blow-out, harm flight safety; On the other hand, the main wheel of aircraft both sides can not contact to earth strictly speaking simultaneously, and the wheel first contacted to earth the relative center of gravity of airplane can form a deflecting torque, brings out safety misadventure.
Summary of the invention
Based on this, the purpose of this utility model is the defect overcoming prior art, provides a kind of airplane wheel, and it effectively can reduce aircraft wheel when landing and to contact to earth the force of sliding friction and deflecting torque that are subject to, thus greatly promotes safety.
Its technical scheme is as follows:
A kind of airplane wheel, comprise tire, outer wheel hub and kernel portion, tire sleeve is located on outer wheel hub, kernel portion is arranged in the chamber of outer wheel hub, and the inside face of outer wheel hub is provided with polylith permanent-magnet steel, and kernel portion comprises multiple coil assembly, braking resistor, controller and wheel shaft, the outer edge area that multiple coil assembly is distributed in kernel portion is corresponding with polylith permanent-magnet steel, controller and multiple coil assembly, braking resistor electrically connect respectively, and wheel shaft is positioned on the central axis in kernel portion, and outer wheel hub is set on wheel shaft.
Preferably, described kernel portion also comprises stator core and fixed mount, and stator core is set on fixed mount, and described multiple coil assembly is arranged on stator core, and described wheel shaft is arranged on the center of fixed mount.
Preferably, be also provided with coding disk in described outer wheel hub, coding disk and described controller electrically connect.
Preferably, described outer wheel hub is connected with described wheel shaft by bearing.
Preferably, this wheel also comprises brake disc device, and this brake disc device is connected with described outer wheel hub.
Preferably, this wheel also comprises anti-skid device, and this anti-skid device is connected with described outer wheel hub.
This airplane wheel can help aircraft to help to fall, comprise the steps:
When aircraft landing, before tire interface ground on outer wheel hub, controller in kernel portion is opened and is run and be energized to multiple coil assembly, polylith permanent-magnet steel effect in multiple coil assembly and outer wheel hub drives outer wheel hub to accelerate to rotate on wheel shaft, make tire when kiss the earth its linear velocity close to the speed of now aircraft; When the linear velocity on aircraft landing rear tyre is identical with the speed of aircraft, controller interrupts the energising to multiple coil assembly, connects braking resistor; When aircraft reaches default low speed or stops, controller is out of service.
Below the advantage of preceding solution or principle are described:
Above-mentioned airplane wheel, when preparing landing after aircraft drop, controller in kernel portion is opened and is run and be energized to multiple coil assembly, coil assembly produces electromagnetic force after powered up makes the outer wheel hub that inside face is equipped with permanent-magnet steel accelerate to rotate, namely tire is driven to accelerate to rotate, when tire interface ground, the linear velocity of its outside face has reached the speed be close with aircraft, now, the velocity contrast of outer surface of tire and aircraft will be very little, force of sliding friction between surface of tyre and ground will be little in the extreme, and the in-service time of this force of sliding friction also can be extremely short, therefore tire extremely reaches in this process of identical coasting speed with aircraft at beginning kiss the earth, the impact load be subject to can be smaller, little to the deflecting torque of center of gravity of airplane formation on the one hand, on the one hand the degree of tortuosity of tire is also greatly reduced, thus greatly can reduce the incidence of safety misadventure.When the linear velocity on aircraft landing rear tyre is identical with the speed of aircraft, controller interrupts the energising to multiple coil assembly, now outer wheel hub rotates along with tire, be electrical generator seemingly to the effect in kernel portion, controller then can connect braking resistor, and the electric energy that kinetic transformation becomes by this wheel is consumed rapidly, also create lock torque in consumption process simultaneously, wheel can be made to slow down quickly, and when aircraft reaches default low speed or stops, controller is out of service.
Accompanying drawing explanation
Fig. 1 is the structural representation in the airplane wheel cross section described in the utility model embodiment;
Description of reference numerals:
1, outer wheel hub, 11, permanent-magnet steel, 21, stator core, 22, fixed mount, 23, wheel shaft, 24, coil assembly, 25, bearing, 3, tire, 4, brake disc device, 5, anti-skid device.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As shown in Figure 1, for a kind of airplane wheel, comprise tire 3, outer wheel hub 1 and kernel portion, tire 3 is set on outer wheel hub 1, kernel portion is arranged in the chamber of outer wheel hub 1, the inside face of outer wheel hub 1 is provided with polylith permanent-magnet steel 11 equably, kernel portion comprises multiple coil assembly 24, braking resistor, controller and the wheel shaft 23 that can be connected with undercarriage, the outside face that multiple coil assembly 24 is evenly distributed in kernel portion is corresponding with polylith permanent-magnet steel 11, controller and multiple coil assembly 24, braking resistor, aircraft control desk electrically connects respectively, wheel shaft 23 is positioned on the central axis in kernel portion, outer wheel hub 1 is set on wheel shaft 23.
When preparing landing after aircraft drop, the controller that aircraft control desk can open this wheel kernel portion runs, controller is that multiple coil assembly 24 is energized, coil assembly 24 produces electromagnetic force after powered up makes the outer wheel hub 1 that inside face is equipped with permanent-magnet steel 11 accelerate to rotate, namely tire 3 is driven to accelerate to rotate, when tire 3 kiss the earth, the linear velocity of its outside face has reached the speed (this can be regulated and controled by aircraft control desk) be close with aircraft, now, the velocity contrast of tire 3 outside face and aircraft will be very little, force of sliding friction between tire 3 surface and ground will be little in the extreme, and the in-service time of this force of sliding friction also can be extremely short, therefore tire 3 extremely reaches in this process of identical coasting speed with aircraft at beginning kiss the earth, the impact load be subject to can be smaller, little to the deflecting torque of center of gravity of airplane formation on the one hand, on the one hand the degree of tortuosity of tire 3 is also greatly reduced, thus greatly can reduce the incidence of safety misadventure.When aircraft on the ground stable slide time (when the linear velocity on tire is identical with the speed of aircraft), aircraft control desk can make the energising of controller interruption to multiple coil assembly, now outer wheel hub 1 rotates along with tire 3, electrical generator seemingly to the effect in kernel portion, the controller in kernel portion then can connect braking resistor, the electric energy that kinetic transformation becomes is consumed by this wheel rapidly, also create lock torque in consumption process simultaneously, wheel can be made to slow down quickly, when aircraft reaches default low speed or stops, controller is out of service.
In the present embodiment, kernel portion also comprises stator core 21 and fixed mount 22, and stator core 21 is set on fixed mount 22, and multiple coil assembly 24 is arranged on stator core 21, and wheel shaft 23 is arranged on the center of fixed mount 22; Also be provided with coding disk in outer wheel hub 1, coding disk and controller electrically connect; Outer wheel hub 1 is docked with wheel shaft 23 by bearing 25.
In the present embodiment, this wheel also comprises brake disc device 4 and anti-skid device 5, and this brake disc device 4, anti-skid device 5 are connected with wheel hub and electrically connect with aircraft control desk respectively.Jointly carry out brake action, make the better effects if of deceleration.
The above embodiment only have expressed detailed description of the invention of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. an airplane wheel, comprise tire, it is characterized in that, also comprise outer wheel hub and kernel portion, tire sleeve is located on outer wheel hub, kernel portion is arranged in the chamber of outer wheel hub, the inside face of outer wheel hub is provided with polylith permanent-magnet steel, kernel portion comprises multiple coil assembly, braking resistor, controller and wheel shaft, the outer edge area that multiple coil assembly is distributed in kernel portion is corresponding with polylith permanent-magnet steel, controller and multiple coil assembly, braking resistor electrically connect respectively, and wheel shaft is positioned on the central axis in kernel portion, and outer wheel hub is set on wheel shaft.
2. airplane wheel according to claim 1, is characterized in that, described kernel portion also comprises stator core and fixed mount, and stator core is set on fixed mount, and described multiple coil assembly is arranged on stator core, and described wheel shaft is arranged on the center of fixed mount.
3. airplane wheel according to claim 1, is characterized in that, is also provided with coding disk in described outer wheel hub, and coding disk and described controller electrically connect.
4. airplane wheel according to claim 1, is characterized in that, described outer wheel hub is connected with described wheel shaft by bearing.
5. airplane wheel according to any one of claim 1 to 4, is characterized in that, also comprises brake disc device, and this brake disc device is connected with described outer wheel hub.
6. airplane wheel according to any one of claim 1 to 4, is characterized in that, also comprises anti-skid device, and this anti-skid device is connected with described outer wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520065333.2U CN204507250U (en) | 2015-01-29 | 2015-01-29 | Airplane wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520065333.2U CN204507250U (en) | 2015-01-29 | 2015-01-29 | Airplane wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204507250U true CN204507250U (en) | 2015-07-29 |
Family
ID=53705243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520065333.2U Expired - Fee Related CN204507250U (en) | 2015-01-29 | 2015-01-29 | Airplane wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204507250U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608921A (en) * | 2015-01-29 | 2015-05-13 | 广州铁路职业技术学院 | Aircraft wheel and landing-assisting method |
| CN112572780A (en) * | 2020-12-04 | 2021-03-30 | 中国航空工业集团公司成都飞机设计研究所 | Motor wheel electric driving device |
-
2015
- 2015-01-29 CN CN201520065333.2U patent/CN204507250U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608921A (en) * | 2015-01-29 | 2015-05-13 | 广州铁路职业技术学院 | Aircraft wheel and landing-assisting method |
| CN112572780A (en) * | 2020-12-04 | 2021-03-30 | 中国航空工业集团公司成都飞机设计研究所 | Motor wheel electric driving device |
| CN112572780B (en) * | 2020-12-04 | 2022-11-22 | 中国航空工业集团公司成都飞机设计研究所 | Motor wheel electric driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20180129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |