CN206734640U - A kind of aircraft auxiliary power plant cabin formula punching press inlet duct - Google Patents
A kind of aircraft auxiliary power plant cabin formula punching press inlet duct Download PDFInfo
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- CN206734640U CN206734640U CN201720485550.6U CN201720485550U CN206734640U CN 206734640 U CN206734640 U CN 206734640U CN 201720485550 U CN201720485550 U CN 201720485550U CN 206734640 U CN206734640 U CN 206734640U
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- inlet valve
- motor drive
- drive mechanism
- apu
- auxiliary power
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Abstract
The utility model provides a kind of aircraft auxiliary power plant cabin formula punching press inlet duct, including inlet valve (1), inlet valve mounting assembly (2), motor drive mechanism (3), motor drive mechanism bearing (4), inlet valve (1) is installed at the air inlet in the side wall of APU cabins, the inlet valve (1) fitting APU cabin structures profile is set, inlet valve mounting assembly (2) is two groups, the component one end is connected with inlet valve (1), the other end is then connected on the first structure frame (5) in APU cabins, motor drive mechanism (3) one end is connected by motor drive mechanism bearing (4) with the second structural frames (6) in APU cabins, the other end is then connected with inlet valve (1), inlet valve (1) is driven by motor drive mechanism (3) to be opened and closes to realize.Device provided by the utility model, not only meet gas handling system design and installation, also ensure the air inlet demand of auxiliary power unit ground and airstart, while ensure that auxiliary power unit annex reaches operating ambient temperature demand.
Description
Technical field
The utility model belongs to field of airplane structure, and in particular to a kind of aircraft auxiliary power plant cabin formula punching press is entered
Device of air.
Background technology
The essence of auxiliary power unit (i.e. APU) is a kind of gas-turbine unit.In modern aircraft design, modernization
Large and medium-sized passenger plane on, auxiliary power unit is to ensure the main equipment restarted after engine flame-out in flight, and it is directly affected
The flight safety of aircraft.During modern aircraft design, by auxiliary power unit place where, to consider its gas outlet not
Fuselage and peripheral system can be damaged, thermally sensitive system should away from auxiliary power unit cabin, its own with it
Auxiliary power unit typically all should be arranged on aircraft by porting away from main cabin and cockpit to reduce the factors such as noise
Afterbody, as shown in Figure 1.
The auxiliary power unit of airplane tail group installation, intake and exhaust share same chamber, due to existing auxiliary power unit
Air intake structure limit without independent inlet channel, intake method is cabin formula air inlet, in addition the type auxiliary power unit air inlet demand
Amount is big, aircraft endpiece porting reverse differential pressure is big, and existing cabin formula punching press inlet duct can not meet the requirement, while can not
Ensure the operating ambient temperature demand of auxiliary power unit annex.
Utility model content
The purpose of this utility model is to provide a kind of aircraft auxiliary power plant cabin formula punching press inlet duct, overcomes or subtract
At least one drawbacks described above of light prior art.
The purpose of this utility model is achieved through the following technical solutions：A kind of aircraft auxiliary power plant cabin formula punching press air inlet
Device, it is arranged in the side wall of airplane tail group APU cabins, it is characterised in that the device includes inlet valve, inlet valve mounting assembly, electricity
Motivation structure, motor drive mechanism bearing,
Inlet valve is installed at air inlet in the side wall of APU cabins, inlet valve fitting APU cabin structures profile is set；
Inlet valve mounting assembly is multigroup, and multigroup inlet valve mounting assembly one end is connected with inlet valve, inlet valve bearing
The component other end is then connected on the first structure frame in APU cabins, and wherein the first structure frame is located at inlet valve close to airplane tail
Portion side；
Preferably, wherein second structural frames are located at first structure frame away from inlet valve side, the motor drive mechanism other end
Then it is connected with inlet valve, inlet valve is driven by the motor drive mechanism to be opened and close to realize.
Preferably, the inlet valve both ends are respectively vertically arranged one piece of air flap, and two air flap is respectively positioned on described
Side on the inside of APU cabins.
Preferably, the motor drive mechanism includes electric device, pull bar, rocking arm, and one end passes through bolt assembly and institute
Inlet valve to be stated to be connected, the rocking arm other end is hinged with pull bar one end, and the pull bar other end is then connected with telescopic electric device,
The electric device is fixed in second structural frames in the APU cabins by the motor drive mechanism bearing.
Preferably, the inlet valve mounting assembly is two groups, and the inlet valve mounting assembly is placed in the motor drive mechanism
Both sides.
A kind of beneficial effect of aircraft auxiliary power plant cabin formula punching press inlet duct provided by the utility model is,
The device not only meets gas handling system design and installation, also ensures the air inlet demand of auxiliary power unit ground and airstart,
It is able to ensure that auxiliary power unit annex reaches operating ambient temperature demand simultaneously.
Brief description of the drawings
Fig. 1 is existing auxiliary power unit schematic view of the mounting position；
Fig. 2 is the scheme of installation of the utility model aircraft auxiliary power plant cabin formula punching press inlet duct；
Fig. 3 is the structural representation of the utility model aircraft auxiliary power plant cabin formula punching press inlet duct；
Fig. 4 is that the intake valve assembly in the formula punching press inlet duct of the utility model aircraft auxiliary power plant cabin sees that structure is shown
It is intended to；
Fig. 5 is the operation chart of the utility model aircraft auxiliary power plant cabin formula punching press inlet duct.
Reference：
1- inlet valves, 2- inlet valves mounting assembly, 3- motor drive mechanisms, 4- motor drive mechanisms bearing, 5- first structures frame, 6-
Two structural frames, 11- air flaps, 31- electric devices, 32- pull bars, 33- rocking arms.
Embodiment
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the embodiment of the utility model is further described in more detail.In the accompanying drawings, from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Described reality
It is part of the embodiment of the present invention to apply example, rather than whole embodiments.Embodiment below with reference to accompanying drawing description is to show
Example property, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made,
Belong to the scope of the utility model protection.
Formula punching press inlet duct in aircraft auxiliary power plant cabin of the present utility model is done below in conjunction with the accompanying drawings further in detail
Describe in detail bright.
As shown in Figures 2 to 5, a kind of aircraft auxiliary power plant cabin formula punching press inlet duct, the device include inlet valve
1st, inlet valve mounting assembly 2, motor drive mechanism 3, motor drive mechanism bearing 4, the device are set at two, and be placed in airplane tail group APU cabins
In left and right sidewall.Inlet valve 1 is arranged at the air inlet in the side wall of APU cabins, and the inlet valve 1 fitting APU cabin structures profile is set,
At the both ends of inlet valve 1, selection is vertically arranged the air flap 11 of one piece of punching press standard simultaneously, and two air flaps 11 are respectively positioned on APU cabins
Inner side side, to meet air inlet needs.Inlet valve 1 is connected in the side wall of APU cabins by inlet valve mounting assembly 2, the inlet valve
Mounting assembly 2 can be set it is multigroup, the present embodiment selection set two groups, two groups of inlet valve mounting assemblies 2 are arranged symmetrically along course
In the long margin frame center line both sides of inlet valve 1, wherein every group of inlet valve mounting assembly 2 is by door bearing, arcuate swing arm and structural frames
Bearing three is formed, and the three is sequentially connected, and the inner side side of inlet valve 1 is fixed in 2 bearing one end of inlet valve mounting assembly, enters
The structural frames bearing one end of valve holder component 2 is then connected in APU cabins on the web of first structure frame 5, the first structure frame 5
In inlet valve 1 close to airplane tail group side (i.e. the right side of inlet valve 1 in Fig. 2).Set between two groups of inlet valve mounting assemblies 2
Motor drive mechanism 3, the motor drive mechanism 3 of the present embodiment are connected in sequence by electric device 31, pull bar 32, the three of rocking arm 33, rocking arm
33 one end are connected by bolt assembly and inlet valve 1, and the other end of rocking arm 33 is hinged with the one end of pull bar 32, and the other end of pull bar 32
Telescopic electric device 31 is then connected with, the electric device 31 is fixed to the second knot in APU cabins by motor drive mechanism bearing 4
On structure frame 6, second structural frames 6 are located at first structure frame 5, and away from the side of inlet valve 1, (i.e. the second structural frames 6 in Fig. 2 are located at
The left side of first structure frame 5), inlet valve 1 is driven by the motor drive mechanism 3 to realize that it is opened with closing, the opening of inlet valve 1
Schematic diagram is as shown in Figure 5.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with described
Scope of the claims is defined.
Claims (4)
1. a kind of aircraft auxiliary power plant cabin formula punching press inlet duct, it is arranged in the side wall of airplane tail group APU cabins, its feature exists
In, the device includes inlet valve (1), inlet valve mounting assembly (2), motor drive mechanism (3), motor drive mechanism bearing (4),
Inlet valve (1) is installed, the inlet valve (1) fitting APU cabin structures profile is set at the air inlet in the side wall of APU cabins；
Inlet valve mounting assembly (2) is multigroup, and multigroup inlet valve mounting assembly (2) one end is connected with inlet valve (1), inlet valve
Mounting assembly (2) other end is then connected on the first structure frame (5) in APU cabins, and wherein the first structure frame (5) is located at air inlet
Door (1) is close to airplane tail group side；
Motor drive mechanism (3) one end is connected by motor drive mechanism bearing (4) with the second structural frames (6) in APU cabins, wherein this second
Structural frames (6) are located at first structure frame (5) away from inlet valve (1) side, motor drive mechanism (3) other end then with inlet valve (1) phase
Even, inlet valve (1) is driven by the motor drive mechanism (3) opens and closes to realize.
2. formula punching press inlet duct in aircraft auxiliary power plant cabin according to claim 1, it is characterised in that the air inlet
Door (1) both ends are respectively vertically arranged one piece of air flap (11), and two air flap (11) is respectively positioned on side on the inside of the APU cabins.
3. formula punching press inlet duct in aircraft auxiliary power plant cabin according to claim 1, it is characterised in that described electronic
Mechanism (3) includes electric device (31), pull bar (32), rocking arm (33), and rocking arm (33) one end passes through bolt assembly and the air inlet
Door (1) be connected, rocking arm (33) other end is hinged with pull bar (32) one end, and pull bar (32) other end be then connected with it is telescopic
Electric device (31), the electric device (31) are fixed to described second in the APU cabins by the motor drive mechanism bearing (4)
In structural frames (6).
4. formula punching press inlet duct in aircraft auxiliary power plant cabin according to claim 1, it is characterised in that the air inlet
Door mounting assembly (2) is two groups, and the inlet valve mounting assembly (2) is placed in the motor drive mechanism (3) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485550.6U CN206734640U (en) | 2017-05-04 | 2017-05-04 | A kind of aircraft auxiliary power plant cabin formula punching press inlet duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485550.6U CN206734640U (en) | 2017-05-04 | 2017-05-04 | A kind of aircraft auxiliary power plant cabin formula punching press inlet duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206734640U true CN206734640U (en) | 2017-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720485550.6U Active CN206734640U (en) | 2017-05-04 | 2017-05-04 | A kind of aircraft auxiliary power plant cabin formula punching press inlet duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206734640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204848A (en) * | 2018-07-24 | 2019-01-15 | 中国商用飞机有限责任公司 | Telescopic auxiliary air intake device |
-
2017
- 2017-05-04 CN CN201720485550.6U patent/CN206734640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204848A (en) * | 2018-07-24 | 2019-01-15 | 中国商用飞机有限责任公司 | Telescopic auxiliary air intake device |
| CN109204848B (en) * | 2018-07-24 | 2022-03-22 | 中国商用飞机有限责任公司 | Telescopic auxiliary air inlet device |
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