CN110481763A - Brake machine wheel - Google Patents

Brake machine wheel Download PDF

Info

Publication number
CN110481763A
CN110481763A CN201910899264.8A CN201910899264A CN110481763A CN 110481763 A CN110481763 A CN 110481763A CN 201910899264 A CN201910899264 A CN 201910899264A CN 110481763 A CN110481763 A CN 110481763A
Authority
CN
China
Prior art keywords
brake
machine wheel
brake machine
wheel
cylinder part
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.)
Pending
Application number
CN201910899264.8A
Other languages
Chinese (zh)
Inventor
杨弘
李冰
白璐
肖扬
张祥剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commercial Aircraft Corp of China Ltd
Shanghai Aircraft Design and Research Institute Commercial Aircraft Corporation of China Ltd
Original Assignee
Commercial Aircraft Corp of China Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Commercial Aircraft Corp of China Ltd filed Critical Commercial Aircraft Corp of China Ltd
Priority to CN201910899264.8A priority Critical patent/CN110481763A/en
Publication of CN110481763A publication Critical patent/CN110481763A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T5/00Vehicle modifications to facilitate cooling of brakes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C25/00Alighting gear
    • B64C25/32Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/34Alighting gear characterised by elements which contact the ground or similar surface  wheeled type, e.g. multi-wheeled bogies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C25/00Alighting gear
    • B64C25/32Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/42Arrangement or adaptation of brakes

Abstract

The present invention describes a kind of brake machine wheel, it includes wheel hub and supporting structure, the supporting structure has center circle cylinder part and multiple blades, one end of each blade is attached to center circle cylinder part, and its other end radially is attached to the inner wall of wheel hub, wherein, supporting structure is in fan-shaped, and the central longitudinal axis of each blade and center circle cylinder part is tilted a certain angle setting.Brake machine wheel of the invention can be under the premise of not influencing aircraft weight, achieve the effect that actively to cool down to brake heat reservoir, to significantly shorten the cooling time of brake machine wheel, to realize fast cooling, and the normal operation for guaranteeing aircraft under the requirement for meeting turnaround on airport, is conducive to the economic benefit of aircraft.

Description

Brake machine wheel
Technical field
The present invention relates to technical field of aerospace, more particularly to take off landing system, and more particularly, being related to one kind can The brake machine wheel of autonomous air draught.
Background technique
In technical field of aerospace, wheel brake system is a part the most key during civil aircraft ground is slowed down, certainly The landing safety of aircraft is determined.The wheel brake system generally includes two parts, and a part is brake machine wheel, another portion Dividing is then brake control system.Wherein, brake machine wheel generally includes wheel assemblies and brake gear, the wheel brake system of aircraft Be guarantee aircraft ground taxi, turning, normally landing, take off, landings that overload, suspension take off and ground stop and engine Brake when test run.
For pilot when manipulating brake system, hydraulic oil enters the braking action cylinder being fixed on wheel shaft, pushes brake block, Compress movable plate and stationary plate.Due to the rubbing action between rubbing surface, the torque for preventing wheel from rolling is increased, so wheel exists The frictional ground force being subject in rolling significantly increases, and the running speed of aircraft reduces therewith.Driver's brake is heavier, into brake Oil liquid pressure in pressurized strut is bigger, also just presses tighter between brake block, and the torque for preventing wheel from rolling is bigger, thus makees It is also bigger with the frictional ground force on wheel.The kinetic energy that aircraft moves in the horizontal direction mainly passes through brake gear friction The rubbing action in face is changed into what thermal energy dribbled.
In general, 90% or more kinetic energy is absorbed by brake machine wheel during aircraft landing, so that frictional heat generation leads to machine Temperature is taken turns to increase.However, excessively high temperature will generate serious damage to the intensity and working performance of wheel and associated components, easily Cause to brake it is on fire, blow out, or even cause catastrophic failure.
Most kinetic energy of aircraft are converted thermal energy by the stage stopped from aircraft brake to aircraft, friction working. Frictional force mainly includes the friction etc. between phase mutual friction, tire and the ground braked between Moving plate and quiet disk.In contrast, brake disc Between frictional force will be main, thus in brake machine wheel formed brake heat reservoir.In the operating of brake machine wheel, due to rubbing Wiping the heat that power acting generates will lead to the raising of wheel part temperatures, since wheel internal chamber wall is contacted with air, the stream of air Dynamic, the heat that brake machine wheel generates will be taken away by air.Only when time long enough, the temperature of brake machine wheel entirety just can be with Air themperature is identical, can just make brake machine wheel revert to take off before state.
As described above, brake heat reservoir absorbs braking ability, and temperature can increase, and only work as during aircraft brake In the case that brake heat reservoir is again cooled to suitable temperature, aircraft just can be carried out normal operation next time, thus make to stop as soon as possible The cooling of vehicle heat reservoir is the material particular of a shortening aircraft turnaround on airport.
However, major part aircraft use at present is still natural cooling, it is well known that natural cooling generally requires to expend For quite a long time.Some also can install cooling fan additional on individual types, for giving brake heat reservoir forced ventilation, to shorten It brakes cooling time.But it installs brake fan additional and undoubtedly will increase the weight of aircraft, and also wanted on the operation panel of cockpit A brake fan swicth is added, this is because brake fan swicth could be beaten only when main landing gear is grounded and is locked It opens, and before aircraft standby for takeoff, and have to a brake fan swicth and close.In addition, due to having installed brake fan additional, because And the software and hardware of brake control unit will be embedded in the operational order of brake fan, display information, warning information etc., and It also needs to dismantle main gear wheels hub cap to be changed to brake fan, and needs to access power supply for brake fan so that it is transported Turn.However, once brake fan breaks down, normally sending for aircraft will be caused to severely impact.It is more bad, During aircraft cruising flight, which is at all inoperative, and can only occupy the efficient loading weight of aircraft, To increase flight cost and seriously affect economic benefit.
Fig. 1 just shows the structural schematic diagram of such a existing brake machine wheel.As shown in Figure 1, showing machine in figure Wheel assembly A.Wheel assemblies A includes brake machine wheel 1 and brake heat reservoir 2, wherein brake heat reservoir 2 is mounted in brake machine wheel 1.From It will be clear that the support construction 3 of brake machine wheel 1 is the planar disc with a centre bore 4 in figure, have more A vertically hung scroll portion 5, these vertically hung scroll portions 5 are in the same plane and outside radially from centre bore 4.
However, above-mentioned brake machine wheel has the following problems, that is, need to expend just can make brake machine wheel cold for quite a long time But suitable temperature is arrived, aircraft can just be made to carry out normal operation next time, thus can greatly extend the turnaround on airport of aircraft, Normally sending for aircraft is affected, to be unfavorable for the economic benefit of aircraft.
Therefore, become brake machine wheel rapid cooling without the weight of increase aircraft urgently to be resolved The problem of.Based on this, such a demand there is in current technical field, that is, need such a brake machine wheel, Can be under the premise of not increasing aircraft weight, the significant cooling time for shortening brake machine wheel, thus realize fast cooling, and Meet and guarantees normally sending for aircraft under the requirement of turnaround on airport.
Summary of the invention
The present invention is precisely in order to solve above-mentioned technical problem and make, the purpose of the present invention is to provide a kind of brake machine wheel, It can be under the premise of not increasing aircraft weight, the significant cooling time for shortening brake machine wheel, thus realize fast cooling, and Guarantee normally sending for aircraft under the requirement for meeting turnaround on airport.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of brake machine wheel, the brake machine wheel includes:
Wheel hub;And
Supporting structure, the supporting structure have center circle cylinder part and multiple blades, and one end of each blade is attached In the center circle cylinder part, and its other end radially is attached to the inner wall of the wheel hub,
Wherein, the supporting structure is in fan-shaped, the central longitudinal axis of each blade and the center circle cylinder part It is tilted a certain angle setting.
Preferably, in brake machine wheel of the invention, described one end of each blade and the center circle cylinder part one shape At.
Preferably, mode is matched by welding, welding or card in described one end of each blade in brake machine wheel of the invention It is attached to the center circle cylinder part.
Preferably, the other end of each blade passes through welding, welding or card formula in brake machine wheel of the invention Formula is attached to the inner wall of the wheel hub.
Preferably, in brake machine wheel of the invention, the center longitudinal axis of each blade and the center circle cylinder part Line angulation is different.
Preferably, in brake machine wheel of the invention, the center longitudinal axis of each blade and the center circle cylinder part Line angulation be it is identical, to generate more uniform and stable wind regime.
Preferably, in brake machine wheel of the invention, the center longitudinal axis of each blade and the center circle cylinder part Line is at 30-60 ° of angle.
Preferably, in brake machine wheel of the invention, the center longitudinal axis of each blade and the center circle cylinder part Line angle at 45 °.
Preferably, further including filter screen in brake machine wheel of the invention, aircraft is run when sucking air for preventing The impurity such as branch, crushed stone on road are drawn into the brake machine wheel.
In view of above content, compared to existing brake machine wheel, brake machine wheel of the invention can not influence aircraft weight Under the premise of amount, achieve the effect that actively to cool down to brake heat reservoir, to shorten the cooling time of brake machine wheel, significantly so as to reality Show fast cooling, and guarantee the normal operation of aircraft under the requirement for meeting turnaround on airport, is conducive to the economic benefit of aircraft.
Detailed description of the invention
Fig. 1 shows a kind of structural schematic diagram of existing brake machine wheel component.
Fig. 2 shows the perspective views of the brake machine wheel of a preferred embodiment of the present invention.
Fig. 3 shows the front view of the brake machine wheel of the preferred embodiment of the invention.
List of the appended drawing reference in technical solution and embodiment in figure:
10. brake machine wheel
100. wheel hub
101. inner wall
200. supporting structure
201. center circle cylinder parts
202. blade
Specific embodiment
A specific embodiment of the invention explained below, it should be pointed out that in the specific descriptions of these embodiments In the process, in order to carry out brief and concise description, this specification can not all features to actual embodiment make in detail Most description.It is to be understood that during the actual implementation of any one embodiment, as in any one work During journey project or design object, in order to realize the objectives of developer, in order to meet, system is relevant or quotient The relevant limitation of industry can usually make various specific decisions, and this can also be implemented from a kind of embodiment to another kind It changes between mode.Moreover, it is to be understood that although effort made in this development process may be complicated And it is interminable, however for those skilled in the art relevant to present disclosure, in the disclosure The changes such as some designs, manufacture or the production carried out on the basis of the technology contents of exposure are conventional technology, no It should be understood as that content of this disclosure is insufficient.
Unless otherwise defined, technical term or scientific term used in claims and specification should be this hair The ordinary meaning that personage in bright technical field with general technical ability is understood.The similar word such as "one" or " one " is simultaneously It does not indicate that quantity limits, but indicates that there are at least one.The similar word such as " comprising " or "comprising" means to appear in " packet Include " either the element before "comprising" or object cover the element or object for appearing in " comprising " or "comprising" presented hereinafter Part and its equivalent element, it is not excluded that other elements or object.The similar word such as " connection " or " connected " is simultaneously non-limiting In physics or mechanical connection, it is also not necessarily limited to direct or indirect connection.
Hereinafter, by brake machine wheel of the invention being specifically described in conjunction with attached drawing.
As shown in Figures 2 and 3, the perspective view and front view of brake machine wheel 10 are shown in figure.The brake machine wheel 10 includes wheel Hub 100 and supporting structure 200.Wherein, which is generally in fan-shaped, by center circle cylinder part 201 and more A blade 202 is constituted.One end of these blades 202 is attached to center circle cylinder part 201, and its other end then attaches radially In the inner wall 101 of wheel hub 100.Herein it is noted that one end of these blades 202 can be with 201 1 bodily form of center circle cylinder part At, or by welding, welding, card with etc. modes be attached to center circle cylinder part 201.Equally, the other end of blade 202 Can by welding, welding, card with etc. modes be attached to the inner wall 101 of wheel hub 100.
In particular, it will be clear that these blades 202 are not on same plane from Fig. 2 and 3, but as Fan blade is tilted a certain angle setting with the central longitudinal axis of center circle cylinder part 201 like that.When brake machine wheel 10 rotates When coming, these inclined blades 202 constantly can be drawn inwardly to air and form wind, to blow brake heat reservoir Wind.And the heat reservoir that brakes is mounted on the inside of brake machine wheel 10, thus will receive brushing for generated wind, to reach fast quickly cooling But effect.
Here, it is noted that the central longitudinal axis of blade 202 and center circle cylinder part 201 is at 30-60 ° of angle.Especially It, when the central longitudinal axis of blade 202 and center circle cylinder part 201 angle at 45 °, the wind-force of formation is maximum.In addition, also referring to One is mentioned that, these blades 202 can be identical with the central longitudinal axis angulation of center circle cylinder part 201, can also not Together.Certainly, if if angle is identical, then more uniform and stable wind regime can preferably be generated.
In addition, in the biggish situation in gap between blade 202, it may be necessary in the supporting structure of brake machine wheel 10 200 outside installs a filter screen (not shown) additional, when for preventing brake machine wheel 10 from sucking air because of rotation, it is not intended to middle to incite somebody to action The impurity such as branch, crushed stone on runway are drawn into brake machine wheel 10, and cause the structure or brake heat of brake machine wheel The damage in library, therefore the filter screen can play certain protective action.
To sum up, core of the invention technology is: it is fan-shaped by the support structure designs of brake machine wheel, so as to Form a kind of brake machine wheel that can independently suck outside air.When aircraft brake, with the rotation of airplane wheel, this shape The brake machine wheel of shape will independently suck air, and the air is blown to brake heat reservoir up, and thus, it is possible to not influence aircraft Under the premise of weight, achieve the effect that actively to cool down to brake heat reservoir, thus significantly shorten the cooling time of brake machine wheel, so as to It realizes fast cooling, and guarantees the normal operation of aircraft under the requirement for meeting turnaround on airport, be conducive to the economic effect of aircraft Benefit.
In conclusion in terms of wider range of, the invention is not limited to shown and described herein specific Details and representative embodiment.Therefore, those skilled in the art can reasonably be combined the element of above embodiment Or change, not depart from the essence such as the total concept of the invention of the present invention defined by the appended claims and its equivalent Various modification can be adapted under the premise of mind or range.

Claims (9)

1. a kind of brake machine wheel, the brake machine wheel include:
Wheel hub;And
Supporting structure, the supporting structure have center circle cylinder part and multiple blades, and one end of each blade is attached to institute Center circle cylinder part is stated, and its other end radially is attached to the inner wall of the wheel hub,
It is characterized in that, the supporting structure is in fan-shaped, wherein the center of each blade and the center circle cylinder part is vertical Setting is tilted a certain angle to axis.
2. brake machine wheel as described in claim 1, which is characterized in that described one end of each blade and the center circle cylinder part It is integrally formed.
3. brake machine wheel as described in claim 1, which is characterized in that described one end of each blade by welding, welding or Card is attached to the center circle cylinder part with mode.
4. brake machine wheel as described in claim 1, which is characterized in that the other end of each blade passes through welding, welding Or card is attached to the inner wall of the wheel hub with mode.
5. brake machine wheel as described in claim 1, which is characterized in that the center of each blade and the center circle cylinder part Longitudinal axis angulation is different.
6. brake machine wheel as described in claim 1, which is characterized in that the center of each blade and the center circle cylinder part Longitudinal axis angulation be it is identical, to generate more uniform and stable wind regime.
7. brake machine wheel as claimed in claim 6, which is characterized in that the center of each blade and the center circle cylinder part Longitudinal axis is at 30-60 ° of angle.
8. brake machine wheel as claimed in claim 7, which is characterized in that the center of each blade and the center circle cylinder part Longitudinal axis angle at 45 °.
9. brake machine wheel as described in claim 1, which is characterized in that further include filter screen, for preventing when sucking air The impurity such as branch, crushed stone on runway are drawn into the brake machine wheel.
CN201910899264.8A 2019-09-23 2019-09-23 Brake machine wheel Pending CN110481763A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910899264.8A CN110481763A (en) 2019-09-23 2019-09-23 Brake machine wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910899264.8A CN110481763A (en) 2019-09-23 2019-09-23 Brake machine wheel

Publications (1)

Publication Number Publication Date
CN110481763A true CN110481763A (en) 2019-11-22

Family

ID=68559066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910899264.8A Pending CN110481763A (en) 2019-09-23 2019-09-23 Brake machine wheel

Country Status (1)

Country Link
CN (1) CN110481763A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111907697A (en) * 2020-08-17 2020-11-10 中国商用飞机有限责任公司 Brake cooling fan device

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1669951A (en) * 1926-01-07 1928-05-15 Stitt Refrigeration Company Flywheel and fan construction
US1730490A (en) * 1926-08-05 1929-10-08 Steel Wheel Corp Air-cooled-wheel construction
US2432385A (en) * 1946-03-09 1947-12-09 Deere & Co Wheel with axially adjustable rim
GB654499A (en) * 1948-09-28 1951-06-20 Dunlop Rubber Co Improvements in cooling systems for vehicle wheel brakes
US2762469A (en) * 1953-09-25 1956-09-11 Lyon George Albert Wheel cover
DE2109563A1 (en) * 1971-03-01 1972-09-14 Waisen, Jürgen, Dipl.-Ing., 4100 Duisburg Drive for an aircraft landing gear wheel
US4135764A (en) * 1977-01-24 1979-01-23 Johnson R W Wheel assembly with air cooling means
AU2006337903A1 (en) * 2006-02-07 2007-08-16 William Edward Fenna Braking systems with cooling
US20090152055A1 (en) * 2007-12-18 2009-06-18 Isaiah Watas Cox Wheel motor cooling
US20120175203A1 (en) * 2011-01-07 2012-07-12 Jerry Robertson Brake Cooling Fan and Method of Use
US9114874B1 (en) * 2012-02-29 2015-08-25 Peter Danto Aircraft hubcap structure
CN109305338A (en) * 2018-09-30 2019-02-05 西安航空制动科技有限公司 A kind of wind-collecting cover component for Inspection Aircraft Wheels cooling system
CN110171561A (en) * 2019-06-24 2019-08-27 焦佳敏 A kind of unmanned plane pushing stable landing based on reversed air pressure

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1669951A (en) * 1926-01-07 1928-05-15 Stitt Refrigeration Company Flywheel and fan construction
US1730490A (en) * 1926-08-05 1929-10-08 Steel Wheel Corp Air-cooled-wheel construction
US2432385A (en) * 1946-03-09 1947-12-09 Deere & Co Wheel with axially adjustable rim
GB654499A (en) * 1948-09-28 1951-06-20 Dunlop Rubber Co Improvements in cooling systems for vehicle wheel brakes
US2762469A (en) * 1953-09-25 1956-09-11 Lyon George Albert Wheel cover
DE2109563A1 (en) * 1971-03-01 1972-09-14 Waisen, Jürgen, Dipl.-Ing., 4100 Duisburg Drive for an aircraft landing gear wheel
US4135764A (en) * 1977-01-24 1979-01-23 Johnson R W Wheel assembly with air cooling means
AU2006337903A1 (en) * 2006-02-07 2007-08-16 William Edward Fenna Braking systems with cooling
US20090152055A1 (en) * 2007-12-18 2009-06-18 Isaiah Watas Cox Wheel motor cooling
US20120175203A1 (en) * 2011-01-07 2012-07-12 Jerry Robertson Brake Cooling Fan and Method of Use
US9114874B1 (en) * 2012-02-29 2015-08-25 Peter Danto Aircraft hubcap structure
CN109305338A (en) * 2018-09-30 2019-02-05 西安航空制动科技有限公司 A kind of wind-collecting cover component for Inspection Aircraft Wheels cooling system
CN110171561A (en) * 2019-06-24 2019-08-27 焦佳敏 A kind of unmanned plane pushing stable landing based on reversed air pressure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111907697A (en) * 2020-08-17 2020-11-10 中国商用飞机有限责任公司 Brake cooling fan device
WO2022036985A1 (en) * 2020-08-17 2022-02-24 中国商用飞机有限责任公司 Brake cooling fan device

Similar Documents

Publication Publication Date Title
US7594626B2 (en) Magnetically induced aircraft landing wheel rotation
EP0329373B1 (en) Aircraft braking systems
US9211948B2 (en) Between-wheel bogie mounted taxi system
US20130097996A1 (en) Ram air fan inlet housing
US11254422B2 (en) System and method for reducing aircraft brake wear
Donham et al. Ground and Air Resonance Characteristics of a Soft In‐Plane Rigid‐Rotor System
US20160177971A1 (en) Gas turbine engine
US20150266566A1 (en) Method for driving landing gear wheels of an aircraft and landing gear apparatus
CN110481763A (en) Brake machine wheel
US20130112805A1 (en) Method for reducing requirements for aircraft brake size, complexity, and heat dissipation
Daidzic Modeling and Computation of the Maximum Braking Energy Speed for Transport Category Airplanes
US20130092787A1 (en) Means to improve the performance of high energy brakes such as in aircraft landing gear.
US3217844A (en) Air cooled disc brake
CN112849103B (en) Cooling mechanism for airplane wheel and brake device
JP2002154485A (en) Landing gear for aircraft and tire for aircraft
US20220205503A1 (en) Aircraft brake temperature control system
US11753185B2 (en) Aircraft braking system
US11940027B2 (en) Aircraft brake temperature control system
Stanton New designs for commercial aircraft wheels and brakes.
Greenbank Landing gear—the aircraft requirement
Schmidt Aircraft Wheels, Brakes, and Brake Controls: Key Principles for Landing Gear Design
EP2865594B1 (en) Rotor brake control system
GB2291844A (en) Wheel rotating turbine means and a braking system for an aircraft undercarriage
US20210206479A1 (en) Method for Improving Aircraft Engine Operating Efficiency
CN112373679A (en) Aircraft undercarriage tire abrasionproof decreases device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination