CN108423181A - A kind of collapsible ascending stair of aircraft door - Google Patents
A kind of collapsible ascending stair of aircraft door Download PDFInfo
- Publication number
- CN108423181A CN108423181A CN201710078348.6A CN201710078348A CN108423181A CN 108423181 A CN108423181 A CN 108423181A CN 201710078348 A CN201710078348 A CN 201710078348A CN 108423181 A CN108423181 A CN 108423181A
- Authority
- CN
- China
- Prior art keywords
- pedal
- assembly
- collapsible
- wall panel
- aircraft door
- 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
Links
- 230000001174 ascending effect Effects 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000003032 molecular docking Methods 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 aluminium Gold Chemical compound 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D9/00—Equipment for handling freight; Equipment for facilitating passenger embarkation or the like
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention belongs to helicopter ground handling equipment design fields, provide a kind of collapsible ascending stair of aircraft door, including anchor tip component (1), left and right sides wall panel assembly (2), multiple pedal assemblies (3) and steel wire rope component (5)；Left and right sides wall panel assembly (2) includes left and right sides siding；Anchor tip component (1) is fixedly connected on left and right sides wall panel assembly (2) upper end, and anchor tip component (1) with nacelle inlet platform for docking；Multiple pedal assemblies (3) are distributed between left and right side wall panel assembly (2), and each pedal assembly (3) includes left-hand tread plate and right-hand tread plate；One end of left and right pedal is rotatablely connected；The other end of left and right pedal is rotatablely connected left and right side siding respectively；Steel wire rope component (5) connects all pedal assembly series windings；All pedal assemblies can be driven to fold when pulling the pedal assembly of the top to fold.
Description
Technical field
The invention belongs to helicopter ground handling equipment design fields, are related to helicopter flight crew and quickly login transport pod
Interior response aerial mission.
Background technology
Traditional helicopter sliding hatch door ascending stair be by hatch door end connector and ascending stair middle-end holder " extension " at helicopter,
About 1.3 meters or so of helicopter shutdown status hatch door terrain clearance, flight crew lies prone in hatch door pedal tread after opening hatch door when use
Ascending stair is overturn to going straight up in cabin, sliding hatch door could be closed.It is too high to go straight up to cabin door handle terrain clearance, flight crew without
Door lock is opened on the ground in method station.And original ascending stair overall volume is too big, and it is serious to occupy space in aircraft cabin.In order to make engineering people
The more convenient entrance helicopter cabin of member, applies for the invention, to meet company's helicopter quick response aerial mission hereby
It needs.
Invention content
The present invention provides a kind of collapsible ascending stairs of aircraft door, including anchor tip component (1), left and right sidewall board group
Part (2), multiple pedal assemblies (3) and steel wire rope component (5)；Left and right sides wall panel assembly (2) includes left and right sides siding；
Anchor tip component (1) is fixedly connected on left and right sides wall panel assembly (2) upper end, anchor tip component (1) be used for
Nacelle inlet platform docks；
Multiple pedal assemblies (3) are distributed between left and right side wall panel assembly (2), and each pedal assembly (3) includes left-hand tread plate
And right-hand tread plate；One end of left and right pedal is rotatablely connected；The other end of left and right pedal is rotatablely connected left and right side siding respectively；
Steel wire rope component (5) connects all pedal assembly series windings；It can band when pulling the pedal assembly of the top to fold
Dynamic all pedal assemblies fold.
Further, for each pedal assembly, wherein：Left and right pedal (3-3,3-4) passes through middle adapter (3-2)
Rotation connection；Middle adapter includes hinged two rotating parts, and two rotating parts can rotate between the two positions, when
The mutual angle of pedal is 0 ° when two rotating parts are closed or so, when two rotating parts are opened to extreme position or so
The mutual angle of pedal is 180 °.
Further, the cross section of the left and right pedal is trapezoidal, and plane where the trapezoidal hypotenuse is foot-operated branch
Support face.
Further, it is provided with ribs on the left and right pedal.
Further, the other end of left and right pedal is rotatablely connected left and right side siding by rotating shaft assembly (3-1) respectively.
Further, should include support leg (4)；The support leg (4) is fixed on sidewall paneling component (2) lower end.
Further steel wire rope component (5) series winding connects the medium position of each pedal assembly (3).
Further, the left and right pedal is rotatablely connected by shaft and left and right side wall panel assembly respectively.
Further, anchor tip component (1) includes short circuit head (1-1), split pin (1-2), washer (1-3), tack axis (1-
And bending connector (1-5) 4)；Short circuit head (1-1) passes through split pin (1-2), washer (1-3), tack axis (1-4) and bending connector
(1-5) assembly and connection.
Further, sidewall paneling component (2) includes slotted pan head screw (2-1), aluminium sheet (2-2), collateral seat (2-3), branch
Spike fixed block (2-4) and sidewall paneling (2-5), collateral seat (2-3) are fixed on sidewall paneling (2- by slotted pan head screw (2-1)
5) inside, aluminium sheet (2-2) are fixed on by slotted pan head screw (2-1) on the outside of sidewall paneling (2-5), support leg fixed block (2-4)
It is fixed on sidewall paneling (2-5) lower end inside by slotted pan head screw (2-1), collateral seat (2-3) is for connecting pedal assembly
(3)。
Technique effect
It is old to substitute tradition as one of higher ancillary equipment of flight crew's frequency of use for the folding ascending stair of aircraft door
Occupancy of the aircraft ancillary equipment to space in aircraft cabin is greatly reduced in formula, fixed ascending stair.The folding ascending stair of aircraft door
Whole light, contraction state only has the sectional area of 9.4cm × 112cm, supports a hand to carry completely.Whole ladder is closed using aviation aluminium
Gold mechanical processing manufacture, own wt are light.The invention provides it is a kind of it is small, light-weight, have enough bearing capacitys and just
The collapsible ascending stair of requirements such as use in flight crew.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of pedal；
Wherein：1, anchor tip component；1-1, short circuit head；1-2, split pin；1-3, washer；1-4, tack axis；It is 1-5, curved
Shape connector；2, left and right sides wall panel assembly；2-1, slotted pan head screw；2-2, aluminium sheet；2-3, collateral seat；2-4, support leg are fixed
Block；2-5, sidewall paneling；3, multiple pedal assemblies；3-1, rotation shaft assembly；3-2, pass through middle adapter；3-3, left-hand tread plate；3-4、
Right-hand tread plate；4, support leg；5, steel wire rope component.
Specific implementation mode
Provide a kind of collapsible ascending stair of aircraft door, including anchor tip component (1), left and right sides wall panel assembly (2),
Multiple pedal assemblies (3) and steel wire rope component (5)；Left and right sides wall panel assembly (2) includes left and right sides siding；
Anchor tip component (1) is fixedly connected on left and right sides wall panel assembly (2) upper end, anchor tip component (1) be used for
Nacelle inlet platform docks；
Multiple pedal assemblies (3) are distributed between left and right side wall panel assembly (2), and each pedal assembly (3) includes left-hand tread plate
And right-hand tread plate；One end of left and right pedal is rotatablely connected；The other end of left and right pedal is rotatablely connected left and right side siding respectively；
Steel wire rope component (5) connects all pedal assembly series windings；It can band when pulling the pedal assembly of the top to fold
Dynamic all pedal assemblies fold.
Further, for each pedal assembly, wherein：Left and right pedal (3-3,3-4) passes through middle adapter (3-2)
Rotation connection；Middle adapter includes hinged two rotating parts, and two rotating parts can rotate between the two positions, when
The mutual angle of pedal is 0 ° when two rotating parts are closed or so, when two rotating parts are opened to extreme position or so
The mutual angle of pedal is 180 °.
Further, the cross section of the left and right pedal is trapezoidal, and plane where the trapezoidal hypotenuse is foot-operated branch
Support face.
Further, it is provided with ribs on the left and right pedal.
Further, the other end of left and right pedal is rotatablely connected left and right side siding by rotating shaft assembly (3-1) respectively.
Further, should include support leg (4)；The support leg (4) is fixed on sidewall paneling component (2) lower end.
Further steel wire rope component (5) series winding connects the medium position of each pedal assembly (3).
Further, the left and right pedal is rotatablely connected by shaft and left and right side wall panel assembly respectively.
Further, anchor tip component (1) includes short circuit head (1-1), split pin (1-2), washer (1-3), tack axis (1-
And bending connector (1-5) 4)；Short circuit head (1-1) passes through split pin (1-2), washer (1-3), tack axis (1-4) and bending connector
(1-5) assembly and connection.
Further, sidewall paneling component (2) includes slotted pan head screw (2-1), aluminium sheet (2-2), collateral seat (2-3), branch
Spike fixed block (2-4) and sidewall paneling (2-5), collateral seat (2-3) are fixed on sidewall paneling (2- by slotted pan head screw (2-1)
5) inside, aluminium sheet (2-2) are fixed on by slotted pan head screw (2-1) on the outside of sidewall paneling (2-5), support leg fixed block (2-4)
It is fixed on sidewall paneling (2-5) lower end inside by slotted pan head screw (2-1), collateral seat (2-3) is for connecting pedal assembly
(3)。
Claims (8)
1. a kind of collapsible ascending stair of aircraft door, including anchor tip component (1), left and right sides wall panel assembly (2), multiple pedals
Component (3) and steel wire rope component (5)；Left and right sides wall panel assembly (2) includes left and right sides siding；
Anchor tip component (1) is fixedly connected on left and right sides wall panel assembly (2) upper end, and anchor tip component (1) is used for and cabin
Terrace at entrance docks；
Multiple pedal assemblies (3) are distributed between left and right side wall panel assembly (2), and each pedal assembly (3) includes left-hand tread plate and the right side
Pedal；One end of left and right pedal is rotatablely connected；The other end of left and right pedal is rotatablely connected left and right side siding respectively；
Steel wire rope component (5) connects all pedal assembly series windings；Institute can be driven when pulling the pedal assembly of the top to fold
There is pedal assembly folding.
2. a kind of collapsible ascending stair of aircraft door according to claim 1, it is characterised in that：To each pedal assembly
Speech, wherein：Left and right pedal (3-3,3-4) is rotatablely connected by middle adapter (3-2)；Middle adapter includes hinged two and turns
Dynamic part, two rotating parts can rotate between the two positions, when two rotating parts are closed or so pedal mutually it
Between angle be 0 °, the mutual angle of pedal is 180 ° when two rotating parts are opened to extreme position or so.
3. a kind of collapsible ascending stair of aircraft door according to claim 1, it is characterised in that：The left and right pedal
Cross section is that trapezoidal, described trapezoidal hypotenuse place plane is foot-operated supporting surface.
4. a kind of collapsible ascending stair of aircraft door according to claim 1, it is characterised in that：It is set on the left and right pedal
It is equipped with ribs.
5. a kind of collapsible ascending stair of aircraft door according to claim 1, it is characterised in that：The other end of left and right pedal
Respectively left and right side siding is rotatablely connected by rotating shaft assembly (3-1).
6. a kind of collapsible ascending stair of aircraft door according to claim 1, it is characterised in that：Should include support leg (4)；
The support leg (4) is fixed on sidewall paneling component (2) lower end.
7. a kind of collapsible ascending stair of aircraft door according to claim 1, it is characterised in that：The steel wire rope component
(5) series winding connects the medium position of each pedal assembly (3).
8. a kind of collapsible ascending stair of aircraft door according to claim 1, it is characterised in that：The left and right pedal point
It is not rotatablely connected by shaft and left and right side wall panel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078348.6A CN108423181A (en) | 2017-02-14 | 2017-02-14 | A kind of collapsible ascending stair of aircraft door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078348.6A CN108423181A (en) | 2017-02-14 | 2017-02-14 | A kind of collapsible ascending stair of aircraft door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108423181A true CN108423181A (en) | 2018-08-21 |
Family
ID=63154931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710078348.6A Pending CN108423181A (en) | 2017-02-14 | 2017-02-14 | A kind of collapsible ascending stair of aircraft door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108423181A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159448Y (en) * | 1993-05-05 | 1994-03-23 | 林进财 | Folding bar-lilce ladder with slipnot locking device |
| FR2886974A1 (en) * | 2005-06-08 | 2006-12-15 | Airbus France Sas | Ladder for use in e.g. civil aircraft, has posts spaced from each other, half bars disposed in extension from each other and articulations blocked toward bottom by mutual support of contact plates, in deployed position of posts and bars |
| CN200996266Y (en) * | 2007-01-31 | 2007-12-26 | 乐瑞商务咨询(上海)有限公司 | Footstep for ladder |
| US20080210490A1 (en) * | 2005-06-08 | 2008-09-04 | Bernard Guering | Ladder System, Especially For Vehicles |
| CN105667823A (en) * | 2014-11-19 | 2016-06-15 | 中国航空工业集团公司西安飞机设计研究所 | Access ladder for aircraft |
-
2017
- 2017-02-14 CN CN201710078348.6A patent/CN108423181A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159448Y (en) * | 1993-05-05 | 1994-03-23 | 林进财 | Folding bar-lilce ladder with slipnot locking device |
| FR2886974A1 (en) * | 2005-06-08 | 2006-12-15 | Airbus France Sas | Ladder for use in e.g. civil aircraft, has posts spaced from each other, half bars disposed in extension from each other and articulations blocked toward bottom by mutual support of contact plates, in deployed position of posts and bars |
| US20080210490A1 (en) * | 2005-06-08 | 2008-09-04 | Bernard Guering | Ladder System, Especially For Vehicles |
| CN200996266Y (en) * | 2007-01-31 | 2007-12-26 | 乐瑞商务咨询(上海)有限公司 | Footstep for ladder |
| CN105667823A (en) * | 2014-11-19 | 2016-06-15 | 中国航空工业集团公司西安飞机设计研究所 | Access ladder for aircraft |
Non-Patent Citations (1)
| Title |
|---|
| 张荣立等主编: "《采矿工程设计手册》", 31 May 2003, 煤炭工业出版社 * |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |