CN105758615B - A kind of landing gear compartment gate operator for model aircraft - Google Patents
A kind of landing gear compartment gate operator for model aircraft Download PDFInfo
- Publication number
- CN105758615B CN105758615B CN201610243020.0A CN201610243020A CN105758615B CN 105758615 B CN105758615 B CN 105758615B CN 201610243020 A CN201610243020 A CN 201610243020A CN 105758615 B CN105758615 B CN 105758615B
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- China
- Prior art keywords
- control lever
- hatch door
- motor
- model aircraft
- rotating shaft
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/08—Aerodynamic models
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The present invention proposes a kind of landing gear compartment gate operator for model aircraft, the hatch door is rotationally hinged on the fuselage of model aircraft by a rotating shaft, wherein, the operating mechanism has a control lever shaft being fixedly connected with the rotating shaft of the hatch door, the motor that one driving control lever shaft rotates, is provided with least one reduction gearing between the motor and the control lever shaft.A kind of landing gear compartment gate operator for model aircraft of the present invention, there is provided the hatch door operating mechanism of opening and closing for manipulating undercarriage door available for full machine wind tunnel experiment.
Description
Technical field
It is especially a kind of to can be used for full machine wind tunnel test process the present invention relates to a kind of aviation aerodynamics testing equipment
In, the undercarriage door of operating aircraft model is opened and the mechanism of closure.
Background technology
Full machine wind tunnel test is according to aerodynamic principle, whole dummy vehicle is fixed in wind-tunnel, by applying
Add artificial airflow to flow through dummy vehicle, aerial various complicated state of flights are simulated with this, obtain test data.Full machine wind-tunnel
The main purpose of experiment is the changing rule of the various aerodynamic parameters of model aircraft to be obtained and simulates aircraft in difference
Maneuvering performance under flow field, flow condition.
Under normal circumstances, the size of wind-tunnel can cause certain limitation to the size of model aircraft, that is to say, that in order to suitable
Answer the size of wind-tunnel, used model aircraft is impossible to too big during full machine wind tunnel experiment, therefore many times can only
Experiment once is blowed for one or several parts, remaining part can only make stationary state.For example, aircraft is each
Individual control surface, such as flaperon, elevator, flying tail, rudder, front wing etc. are all the critical pieces for manipulating aircraft, therefore
These parts need emphasis to consider its influence of the different states to aircraft.Now, due to the limitation of model aircraft size, aircraft
Other parts of model, such as the part such as undercarriage door are typically set at closure state, therefore are all on general model aircraft
Be provided with the profile of hatch door, this substantial hatch door can not be opened, need to open under normal circumstances for hatch door etc. and
The part of closure is typically all without the special wind tunnel experiment project of setting.
Reality is, under aircraft normal condition, undercarriage door is all to need to open closure during takeoff and landing
, in addition, some other hatch doors that there is likely to be on aircraft are also to need to open and close in flight course, now
Aerodynamics state be also need concern the problem of.However, during full machine wind tunnel experiment, it is impossible to which a frame is real
Aircraft be placed in wind-tunnel and dry.And in common full machine wind tunnel experiment, model aircraft very little, it is also not possible to by the true of hatch door
Real operating mechanism is scaled to be arranged in model aircraft, and such cost is too high and structural strength is also inadequate, therefore, is badly in need of carrying
For a kind of hatch door operating mechanism of the opening and closing for manipulating hatch door for model aircraft.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of landing gear compartment gate operator for model aircraft, to subtract
The problem of less or avoiding being formerly mentioned.
In order to solve the above technical problems, the present invention proposes a kind of landing gear compartment gate operator for model aircraft,
For manipulating the opening and closing of undercarriage door during full machine wind tunnel experiment, the hatch door is covered in the machine of model aircraft
In the opening set with it, the hatch door is rotationally hinged on the fuselage of model aircraft by a rotating shaft, described
The edge of opening of fuselage is provided with the be hinged auricle of multiple support rotating shafts, and the operating mechanism has one and the rotating shaft
The control lever shaft being fixedly connected;The motor that one driving control lever shaft rotates, is provided between the motor and the control lever shaft
At least one reduction gearing;The rotating shaft is fixedly connected with the undercarriage door;Between the reduction gearing and the motor
It is provided with a clutch controller;The motor is integrally supported on a support with the clutch controller, the control lever shaft
The fuselage interior is fixedly mounted on by the support, the end set of the control lever shaft has a steerage gear, the behaviour
Vertical gear engages with the reduction gearing, and the reduction gearing support is on the bracket;The support is strip, thereon simultaneously
Row is provided with multiple through holes, and a bearing, the outer ring of the bearing and the through hole interference are provided with each through hole
Coordinate, the rotating shaft of the inner ring of the bearing respectively with the control lever shaft and the reduction gearing is fixedly connected.
A kind of landing gear compartment gate operator for model aircraft of the present invention, there is provided grasping for model aircraft
The hatch door operating mechanism of the opening and closing of vertical undercarriage door.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein,
The structure that the hatch door for full machine wind tunnel experiment of a specific embodiment according to the present invention is shown in Fig. 1 is shown
It is intended to;
Fig. 2 is shown to be manipulated according to a kind of hatch door for full machine wind tunnel experiment of the specific embodiment of the present invention
The structural representation of mechanism;
Fig. 3 is shown to be grasped according to a kind of hatch door for full machine wind tunnel experiment of another specific embodiment of the present invention
The structural representation of vertical mechanism.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now control illustrates this hair
Bright embodiment.Wherein, identical part uses identical label.
The structure of the hatch door 1 for full machine wind tunnel experiment of a specific embodiment according to the present invention is shown in Fig. 1
Schematic diagram.The partial structural diagram of a model aircraft is shown in figure, it, which is shown on fuselage 2, is provided with one
Opening, in aperture position covered with a hatch door 1, the hatch door 1 can be that undercarriage door or any one can be true
The cabin door structure opened and closed in real aircraft flight, that is to say, that the hatch door 1 on the model aircraft is that one kind can pass through
Operating mechanism manipulates the structure of its opening and closing.
Hatch door 1 is rotationally hinged on the fuselage 2 of model aircraft by a rotating shaft 11, is particularly shown as in hatch door 1
A side edge be provided with one and be connected to one rotating shaft 11 with hatch door 1, be provided with the edge of opening of fuselage 2 more
The be hinged auricle of the individual support rotating shaft 11.By the operating mechanism of the present invention, rotating shaft 11 can be manipulated and rotated, so as to control cabinet
The opening and closing of door 1.This is described in detail below.
As shown in Fig. 2 one kind of the specific embodiment according to the present invention wherein shown is used for full machine wind tunnel experiment
Hatch door operating mechanism structural representation, the operating mechanism can be used for manipulating hatch door 1 during the full machine wind tunnel experiment
Open and close.The operating mechanism has a control lever shaft 21 being fixedly connected with the rotating shaft 11 of hatch door 1 (referring to Fig. 1), and one
The motor 22 that the individual driving control lever shaft 21 rotates, at least one deceleration is provided between the motor 22 and the control lever shaft 21
Gear 23.
In a specific embodiment, although control lever shaft 21 and the manipulation rotating shaft 11 shown in Fig. 1 can pass through mandrel connector
Linked together etc. structure, still, due in full machine wind tunnel experiment, model aircraft with respect to being very little for actual airplane,
Space in fuselage 2 is limited, often sets mandrel connector, or the opening very little for hatch door 1 without additional space, not side
Just the structure such as installation settings mandrel connector, therefore, in the present embodiment, control lever shaft 21 is actually that rotating shaft 11 is prolonged from hatch door 1
Stretch what is formed, that is to say, that control lever shaft 21 shown in Fig. 2 is actually the prolongation of rotating shaft 11.
One clutch controller can also be set in another specific embodiment, between reduction gearing 23 and motor 22
24.In usual actual airplane, manipulate often hydraulic mechanism, its steering force that hatch door opens and closes and all control very well, but
During full machine wind tunnel experiment, because model aircraft is too small, manipulation machine can not be set according to the pattern of actual airplane certainly
Structure, therefore, the present invention is using electrically-energized pattern.But for motor 22, except needing the rotating speed to motor 22
Outside being slowed down, it is also contemplated that hatch door 1 is opened to after its maximum rating, motor 22 continues to drive hatch door 1 to produce
(even if cut-out motor power at once, but because the rotary inertia of hatch door is present, hatch door 1 still may proceed to it for certain bounce-back
Opening operation then rebound), this is the problem of presence for actual airplane, but for the mould of wind tunnel experiment
For type aircraft, this bounce is while it seem that but be too big for the gear 23 in model, motor 22 less
, it is easy to damaged, to avoid this problem, in the present embodiment there is provided clutch controller 24, for being beaten in hatch door 1
When reaching to a certain degree, for example, be opened to maximum state when, the power of motor 22 and gear 23 are cut off so that
The bounce of hatch door 1 can be with the free movement of moving gear 23, but will not be had an effect with motor 22 so that bounce can be with
It is released.
Certainly, it will be understood by those skilled in the art that setting any existing machinery or clutch control electronically
Device processed is all possible, it is for instance possible to use the clutch controller of mechanical system so that when hatch door 1 reaches certain angle, electricity
Machine 22 can be automatically disengaged with gear 23 and is connected, or can use electrically-energized clutch controller, when hatch door 1 reaches certain angle
When spending, the power supply of automatic cut-off motor 22, while cut off the connection between motor 22 and gear 23.
In the embodiment depicted in figure 2, control lever shaft 21 is fixedly mounted on inside fuselage 2 by a support 25, control lever shaft 21
End set have a steerage gear 26, steerage gear 26 engages that (reduction gearing 23 shown in figure has with reduction gearing 23
Two, that is, multi-stage speed-reducing can be provided), reduction gearing 23 is supported on support 25.
In a specific embodiment, support 25 is strip, has been arranged side by side multiple through holes thereon, in each through hole
Be provided with a bearing 251, outer ring and the through hole of the bearing 251 are interference fitted, the inner ring of the bearing 251 respectively with manipulation
The rotating shaft of axle 21 and reduction gearing 23 is fixedly connected.
In another specific embodiment, motor 22 and clutch controller 24 can also be integrally supported in the support 25
On.A kind of as shown in figure 3, cabin for full machine wind tunnel experiment of another specific embodiment according to the present invention wherein shown
The structural representation of gate operator.
Specifically, the support 25 of this implementation is L-shaped, and multiple through holes wherein have been arranged side by side on L-shaped a arm,
A bearing 251 is provided with each through hole, outer ring and the through hole of the bearing 251 are interference fitted, the bearing 251 it is interior
Enclose the rotating shaft respectively with control lever shaft 21 and reduction gearing 23 to be fixedly connected, motor 22 is fixedly connected on institute with clutch controller 24
State on another arm of L bracket 25.
In the structure of the L bracket 25 shown in figure, whole handle structures are all disposed within two arms of L bracket 25
On the inside of angle, that is to say, that steerage gear 26, reduction gearing 23, clutch controller 24 and motor 22 are arranged on the L of support 25
On the inside of angle between two arms of shape, the side for the plane that support 25 is formed with two arm is fixedly mounted in fuselage 2
Portion.In this structure of the present embodiment, the entire infrastructure of operating mechanism can be assembled on support 25 in advance, be then placed in
The inside of fuselage 2, it is screwed into by screw etc. from the outside of fuselage 2 in support 25, so as to which support 25 be fixedly mounted, before comparing
For stating embodiment, eliminate and motor 22,24 isostructural trouble of clutch controller are additionally connected inside fuselage 2, and
Without further being fixed (the fuselage interior space very little of model aircraft, it is difficult to operate) after being connected in fuselage 2.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, equivalent variations, modification and the combination made on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention all should be belonged to.
Claims (1)
- A kind of 1. landing gear compartment gate operator for model aircraft, for manipulating undercarriage during full machine wind tunnel experiment The opening and closing of hatch door, the hatch door are covered in the opening set on the fuselage (2) of model aircraft, and the hatch door leads to Cross a rotating shaft (11) to be rotationally hinged on the fuselage (2) of model aircraft, the edge of opening of the fuselage (2) is provided with more The be hinged auricle of the individual support rotating shaft (11), it is characterised in that the operating mechanism is solid with the rotating shaft (11) with one Surely the control lever shaft (21) connected;The motor (22) that one driving control lever shaft (21) rotates, the motor (22) and the behaviour At least one reduction gearing (23) is provided between the longitudinal axis (21);The rotating shaft (11) is fixedly connected with the undercarriage door; A clutch controller (24) is provided between the reduction gearing (23) and the motor (22);The motor (22) with it is described Clutch controller (24) is integrally supported on a support (25), and the control lever shaft (21) is fixedly mounted by the support (25) Internal in the fuselage (2), the end set of the control lever shaft (21) has a steerage gear (26), the steerage gear (26) Engaged with the reduction gearing (23), the reduction gearing (23) is supported on the support (25);On the support (25) simultaneously Row is provided with multiple through holes, and a bearing (251), the outer ring of the bearing (251) and institute are provided with each through hole State through hole interference fit, the inner ring of the bearing (251) respectively with the control lever shaft (21) and the reduction gearing (23) Rotating shaft is fixedly connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610243020.0A CN105758615B (en) | 2013-12-23 | 2013-12-23 | A kind of landing gear compartment gate operator for model aircraft |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310722297.8A CN103674475B (en) | 2013-12-23 | 2013-12-23 | For the hatch door operating mechanism of full machine wind tunnel experiment |
CN201610243020.0A CN105758615B (en) | 2013-12-23 | 2013-12-23 | A kind of landing gear compartment gate operator for model aircraft |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310722297.8A Division CN103674475B (en) | 2013-12-23 | 2013-12-23 | For the hatch door operating mechanism of full machine wind tunnel experiment |
Publications (2)
Publication Number | Publication Date |
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CN105758615A CN105758615A (en) | 2016-07-13 |
CN105758615B true CN105758615B (en) | 2018-04-10 |
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CN201610243020.0A Expired - Fee Related CN105758615B (en) | 2013-12-23 | 2013-12-23 | A kind of landing gear compartment gate operator for model aircraft |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5881973A (en) * | 1996-09-04 | 1999-03-16 | Mcdonnell Douglas Corporation | Passenger door operation control set |
CN102071859A (en) * | 2009-11-23 | 2011-05-25 | 西安飞机工业(集团)有限责任公司 | Aircraft door opening or locking drive mechanism |
CN102980738A (en) * | 2012-12-28 | 2013-03-20 | 中国人民解放军国防科学技术大学 | Cabin door opening device for hypersonic velocity wind tunnel experiment cabin |
CN103105259A (en) * | 2011-11-14 | 2013-05-15 | 中国航空工业集团公司沈阳空气动力研究所 | Device for motion simulation and load measurement of weapon cabin door and method |
CN103291190A (en) * | 2013-06-25 | 2013-09-11 | 江苏金秋竹集团有限公司 | Sliding door |
-
2013
- 2013-12-23 CN CN201610243020.0A patent/CN105758615B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5881973A (en) * | 1996-09-04 | 1999-03-16 | Mcdonnell Douglas Corporation | Passenger door operation control set |
CN102071859A (en) * | 2009-11-23 | 2011-05-25 | 西安飞机工业(集团)有限责任公司 | Aircraft door opening or locking drive mechanism |
CN103105259A (en) * | 2011-11-14 | 2013-05-15 | 中国航空工业集团公司沈阳空气动力研究所 | Device for motion simulation and load measurement of weapon cabin door and method |
CN102980738A (en) * | 2012-12-28 | 2013-03-20 | 中国人民解放军国防科学技术大学 | Cabin door opening device for hypersonic velocity wind tunnel experiment cabin |
CN103291190A (en) * | 2013-06-25 | 2013-09-11 | 江苏金秋竹集团有限公司 | Sliding door |
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Publication number | Publication date |
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CN105758615A (en) | 2016-07-13 |
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Granted publication date: 20180410 Termination date: 20181223 |