CN105667757A - Double-bent-section and semi-blocking type cargo space door of civil airplane - Google Patents
Double-bent-section and semi-blocking type cargo space door of civil airplane Download PDFInfo
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- CN105667757A CN105667757A CN201610199858.4A CN201610199858A CN105667757A CN 105667757 A CN105667757 A CN 105667757A CN 201610199858 A CN201610199858 A CN 201610199858A CN 105667757 A CN105667757 A CN 105667757A
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- door
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- bolt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
- B64C1/1415—Cargo doors, e.g. incorporating ramps
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- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
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Abstract
The invention provides a double-bent-section and semi-blocking type cargo space door of a civil airplane. The double-bent-section and semi-blocking type cargo space door of the civil airplane has the structure as follows: a handle shaft in a cargo space door is connected with an outer handle mechanism; a ventilation opening mechanism is linked with a handle shaft; locking mechanisms are arranged at the left and right ends of the handle shaft; each locking mechanism is provided with a visual investigation mechanism capable of checking a rotary position of the handle shaft; the handle shaft is linked with a latch shaft; latch mechanisms are arranged at the two ends of the latch shaft; the handle shaft is further linked with an opening mechanism; the opening mechanism comprises a crank II hinged to the cargo space door and an opening mechanism connecting rod connected with a suspension arm; and the cargo space door is linked to do up and down movement relative to a machine body structure. The cargo space door is at a convergence section of the machine body, is a double-bent-section cargo space door and has the advantages of high safety, strong operability and high commonality.
Description
Technical field
The present invention relates to a kind of civil aircraft cargo door, be applied on civil aircraft for one specifically, be in the big open semi blocking type harm type cargo door of fuselage hyperbolic section.
Background technology
Civil aircraft hatch door can be divided into blocking type hatch door and non-blocking type hatch door two types by blocking form. Wherein blocking type hatch door is divided into again full blocking type and half blocking type hatch door.
Full blocking type cargo door initial motion direction is inside relative to draw pres planes, opens rear door structure and is in fuselage interior, takies in cabin space and clear opening impact is relatively big, seldom adopt in current civil aircraft cargo door designs after fully opening. Non-blocking type hatch door initial motion direction is outside relative to average pressure plane, and reliability and security is not high, if additionally hatch door is in fuselage hyperbolic fragment position, the convergence of cabin door structure bottom is serious, and the arrangement of mechanism of non-blocking type scheme also cannot realize.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of civil aircraft hyperbolic section half blocking type cargo door, this hatch door is in fuselage hyperbolic section, Handle axis within hatch door is connected to outdoor handle mechanism, vent mechanism and Handle axis linkage, Handle axis is provided with latch mechanism, latch mechanism is provided with the visual detection mechanism of inspection Handle axis position of rotation; Handle axis and door bolt axle linkage, be provided with bolt mechanism at the two ends of door bolt axle; In Handle axis, also linkage has opening mechanism. Solve the technical problem that hatch door utility model is low, security performance is low existed in prior art.
To achieve these goals, the technical solution used in the present invention is: a kind of civil aircraft hyperbolic section half blocking type cargo door, it is characterized in that: in the Handle axis within hatch door, be connected to outdoor handle mechanism, vent mechanism and Handle axis linkage, two ends, Handle axis left and right are provided with latch mechanism, latch mechanism is provided with the visual detection mechanism of inspection Handle axis position of rotation; Handle axis and door bolt axle linkage, be provided with bolt mechanism at the two ends of door bolt axle; In Handle axis, also linkage has opening mechanism, includes the crank II hinged with hatch door and the opening mechanism connecting rod being connected with suspension arm in opening mechanism, and the relative airframe structure of linkage hatch door moves up and down;
Link each through cam link and four-bar mechanism between Handle axis and vent mechanism, Handle axis and door bolt axle, Handle axis and opening mechanism, thus realizing the transmission of rotational motion.
Described latch mechanism includes the lock shaft lock being enclosed within Handle axis, and is fixed with door bolt axle lock on door bolt axle.
Described visual detection mechanism includes spring, one end of spring is connected to lock shaft and locks, the other end is connected on indication panel, and the upper end of indication panel is by roller compression in the roller groove of door bolt axle lock, and the position of indication panel is corresponding with the position of the observation window being arranged in cabin door structure.
Described bolt mechanism includes door bolt rocking arm and door bolt groove, and wherein door bolt rocking arm is connected on door bolt axle, and door bolt groove is arranged on the hatch door of both sides, drives door bolt rocking arm away from or into door bolt groove by fastening axle with a bolt or latch, it is achieved to solve door bolt or lock bolt.
Crank II in described opening mechanism is connected on the four-bar mechanism driven by Handle axis, and the other end is hinged with cabin door structure, and the middle part of crank II is hinged with opening mechanism connecting rod, and connecting rod is connected with the suspension arm of both sides, and suspension arm is hinged with airframe structure simultaneously.
Described Handle axis is also associated with internal lock mechanism, lock shaft block in internal lock mechanism is connected with Handle axis, inner lock shaft is connected with hatch door, being connected to roller rock arm in inner lock shaft, roller rock arm is arranged in stopper slot, is additionally provided with internal lock block in inner lock shaft, after hatch door pull-up departs from mouth frame, roller rock arm departs from stopper slot, and inner lock shaft drives internal lock block to coordinate with lock shaft stop location, the position of rotation of lock handle axle.
Having the beneficial effects that of the invention:
1, safety is high. What the present invention selected is the form of half blocking type hatch door, and the initial motion direction of opened door is inwardly upwards relative to average pressure plane. Supercharging load and the weight of hatch door own are all without making hatch door have the trend opened, and this has ensured the safety of hatch door greatly. Additionally the present invention have selected the design of harm door, is provided with the release mechanisms such as the supercharging disease-prevention institutions, it is possible to be prevented effectively from hatch door and open in the air.
2, it is not take up in cabin space. Compared to blocking type hatch door, the half blocking type scheme that the present invention selects, being in external fuselage when hatch door fully opens, this is effectively saved engine room inside space, and this point is even more important for cargo door.
3, versatility is high. Present invention can apply to the region that fuselage hyperbolic section, particularly convergence ratio are more serious, compared to non-blocking type hatch door, there is the scope of application widely.
Accompanying drawing explanation
Fig. 1: for hatch door front view of the present invention.
Fig. 2: for structural scheme of mechanism of the present invention.
Fig. 3: for outdoor handle structural scheme of mechanism of the present invention.
Fig. 4: for vent structural scheme of mechanism of the present invention.
Fig. 5: for latch mechanism schematic diagram of the present invention.
Fig. 6: for visual detection structural scheme of mechanism of the present invention.
Fig. 7: for bolt mechanism schematic diagram of the present invention.
Fig. 8: for Handle axis of the present invention and door bolt axle connection status schematic diagram.
Fig. 9: for opening mechanism schematic diagram of the present invention.
Figure 10: for guiding mechanism schematic diagram of the present invention.
Figure 11: for opening mechanism power-assisted partial schematic diagram of the present invention.
Figure 12: for internal lock structural scheme of mechanism of the present invention.
Figure 13: for full open position schematic diagram of the present invention.
Figure 14: lock schematic diagram for fitful wind of the present invention.
1, block; 2, sealing strip; 3, vertical frame; 4, auxiliary beam; 5, crossbeam; 6, pneumatic seal; 7, exterior skin; 8, gusset plate;9, outdoor handle box; 10, fitful wind lock; 11, driving mechanism; 12, opening mechanism; 13, hoisting mechanism; 14, latch mechanism; 15, visual detection mechanism; 16, bolt mechanism; 17, outdoor handle mechanism; 18, vent mechanism; 19, internal lock mechanism; 20, Handle axis; 21, door bolt axle; 22, safety spring; 23, power assistant spring is promoted; 24, handle cover plate; 25, outdoor handle; 26, vent cover plate; 27, lock shaft lock; 28, door bolt axle lock; 33, observation window; 29, driving rolls; 30, indication panel; 31, spring; 32, crank I; 34, door bolt rocking arm; 35, door bolt groove; 36, crank II; 37, guiding mechanism; 38, guide wheel; 39, gathering sill; 40, opening mechanism connecting rod; 41, suspension arm; 42, stopper slot; 43, roller rock arm; 44, internal lock block; 45, lock shaft block; 46, compression spring assembly; 47, inner lock shaft; 48, air spring; 49, strut; 50, fuselage bearing.
Detailed description of the invention
A kind of civil aircraft hyperbolic section half blocking type cargo door, it is characterized in that: in the Handle axis 20 within hatch door, be connected to outdoor handle mechanism 17, vent mechanism 18 and Handle axis 20 link, Handle axis about 20 two ends are provided with latch mechanism 14, latch mechanism 14 is provided with the visual detection mechanism 15 of inspection position of rotation; Handle axis 20 links with door bolt axle 21, and the two ends of door bolt axle 21 are provided with bolt mechanism 16; In Handle axis 20, also linkage has opening mechanism 12, includes the crank II36 hinged with cabin door structure and the opening mechanism connecting rod 40 being connected with suspension arm 41 in opening mechanism 12, and the relative airframe structure of linkage hatch door moves up and down;
Handle axis 20 and vent mechanism 18, Handle axis 20 and door bolt axle 21, link each through cam link and four-bar mechanism between Handle axis 20 and opening mechanism 12, thus realizing the transmission of rotational motion.
Described latch mechanism 14 includes the lock shaft lock 27 being enclosed within Handle axis 20 and door bolt axle lock 28 fixing on door bolt axle 21.
Described visual detection mechanism 15 includes spring 31, one end of spring 31 is connected on lock shaft lock 27, the other end is connected on indication panel 30, the upper end of indication panel 30 is pressed in the roller groove of door bolt axle lock 28 by roller 29, and the position of indication panel 30 is corresponding with the position of the observation window 33 being arranged on hatch door.
Described bolt mechanism 16 includes door bolt rocking arm 34 and door bolt groove 35, and wherein door bolt rocking arm 34 is connected on door bolt axle 21, and door bolt groove 35 is arranged on fuselage mouth mount structure, drives door bolt rocking arm 34 away from or into door bolt groove 35 by fastening axle 21 with a bolt or latch, it is achieved solve door bolt or fasten with a bolt.
The described crank II36 in opening mechanism 12 is connected on the four-bar mechanism driven by Handle axis 20, the other end and cabin door structure are articulated and connected, the middle part of crank II36 is hinged with opening mechanism connecting rod 40, connecting rod 40 is connected with the suspension arm 41 of both sides, and suspension arm 41 is articulated and connected with airframe structure simultaneously.
Described Handle axis 20 is also associated with internal lock mechanism 19, lock shaft block 45 in internal lock mechanism 19 is connected with Handle axis 20, inner lock shaft 47 is connected with cabin door structure, inner lock shaft 47 is connected to roller rock arm 43, roller rock arm 43 is arranged in stopper slot 42, inner lock shaft 47 is additionally provided with internal lock block 44, after hatch door pull-up departs from mouth frame, roller rock arm 43 departs from stopper slot 42, inner lock shaft 47 drives internal lock block 44 to coordinate with lock shaft block 45 position, the position of rotation of lock handle axle 20.
Time specifically used:
As shown in Figure 1, cabin door structure of the present invention includes: the exterior skin 7 matched with fuselage appearance, support the crossbeam 5 of eyelid covering, auxiliary beam 4 and vertical frame 3, connect the gusset plate 8 of frame beam, support module door sealing performance sealing strip 2 and fit structure thereof, it is ensured that the pneumatic seal 6 of hatch door aerodynamic configuration, undertake five groups of blocks 1 of supercharging load and ensure the outdoor handle box 9 that outdoor handle seals.
The unlatching of hatch door is divided into two steps:
First step, for hiding block, promotes hatch door. This stage needs manpower to open, enabling personnel drive hatch door to be lifted up by outdoor handle mechanism 17. The lifting process of hatch door is further divided into opens air port, unlocks, and solves door bolt, promotes four steps. Outdoor handle mechanism 17(is as shown in Figure 3) it is made up of handle cover plate 24 and the outdoor handle 25 being fixedly connected in Handle axis 20. Operator presses lower handle cover plate 24, upwards moves outdoor handle 25, and outdoor handle 25 drives Handle axis 20 to rotate. Handle axis 20 is opened by a set of cam link mechanism and the upset of a set of four-bar mechanism linkage aeration velar plate 26. " cam link " mechanism, four-bar mechanism and vent cover plate collectively form vent mechanism 18(as shown in Figure 4).
Fixed connection lock axle lock 27 in Handle axis 20, is fixedly connected with door bolt axle lock 28 on door bolt axle 21, and they collectively form latch mechanism 14(as shown in Figure 5). Latch mechanism 14 is totally two sets, is arranged in the hatch door left and right sides. Driving while outdoor handle 25 opens vent cover plate 26, lock shaft lock 27 rotates under the drive of Handle axis 20, and now door bolt axle is locked 28 static, which achieves solution latching operation. Visual detection mechanism 15 is attached on latch mechanism 14, driving rolls 29, indication panel 30, spring 31, crank I32 and observation window 33 collectively constitute. Under the effect of spring 31, driving rolls 29 is pressed on door bolt axle lock 28 in the roller groove of design. When Handle axis 20 drives lock shaft lock 27 rotation, indication panel 30, under the drive of spring 31, locks 27 certain the rotating of generation relative to lock shaft, is locked the cooperation of 28 upper idler wheel channel by driving rolls 29 and door bolt axle, controls the anglec of rotation of indication panel 30. When hatch door is closed, through the observation window 33 astrodome door state being positioned in cabin door structure, the color of window display indication panel 30, for green; When handle rotates 8 °, indication panel 30 rotates away from observation window 33, sees observation window self background color through observation window 33, shown in red. Continuing control crank, driving rolls departs from door bolt axle lock 28, indication panel 30 rotate to crank I32 joint, visual detection mechanism 15 and Handle axis 20 no longer produce relative motion.
As in figure 2 it is shown, door bolt axle 21 two ends are respectively disposed with bolt mechanism 16. Bolt mechanism 16 includes door bolt rocking arm 34 and door bolt groove 35 two parts (as shown in Figure 7). Driving outdoor handle 25, Handle axis 20 fastens axle 21(with a bolt or latch as shown in Figure 8 by a set of cam link mechanism and the linkage of a set of four-bar mechanism), thus driving door bolt rocking arm 34 to rotate, make door bolt rocking arm away from door bolt groove 35, it is achieved to solve door bolt and operate. Door bolt axle 21 and Handle axis 20 are respectively disposed with two pairs of safety springs 22 and promote power assistant spring 23. Safety spring 22 is arranged between door bolt axle 21 and cabin door structure, adopts Center, and when hatch door is in the completely closed state, door bolt shaft compression in position of fastening with a bolt completely, is fastened with a bolt or latch during to guarantee that hatch door is closed and is in correct position by safety spring 22. Promote power assistant spring 23 and be arranged between Handle axis 20 and cabin door structure, for controlling the handle power in hatch door lifting process.Promote power assistant spring 23 and adopt Center equally, at the control crank opened door initial stage, promote power assistant spring 23 and act the effect increasing handle power, after center is crossed by mechanism, spring force auxiliary hatch door promotes, to reduce door open knob power, the handle power of overall process of opening the door the most at last controls within the specific limits, does not produce sudden change.
As shown in figs. 9-11, Handle axis 20 is connected with opening mechanism 12 by a set of cam link mechanism and three set four-bar mechanisms, and they constitute the hoisting mechanism 13 of hatch door. Driving outdoor handle 25, Handle axis 20 double-linked cam linkage rotates, and is further driven to three set four-bar mechanisms and rotates. Topmost the crank II36 other end on four-bar mechanism is hinged with cabin door structure, and interlude is hinged with opening mechanism connecting rod 40. Connecting rod 40 and suspension arm 41 are relatively fixed in lifting process, and suspension arm 41 is hinged with airframe structure. Promoting four-bar mechanism by outdoor handle 25 linkage to rotate, the rotation of crank II36 drives cabin door structure to move relative to opening mechanism suspension arm 41, thus the whole hatch door that links moves upward relative to airframe structure. The track that cabin door structure moves upward is by the rotation of crank II36 and guiding mechanism 37 co-controlling, guiding mechanism 37 is as shown in Figure 10, it is made up of guide wheel 38 and gathering sill 39, guide wheel 38 is arranged in gathering sill 39, when cabin door structure moves upward, guide wheel 38 moves in gathering sill 39, thus limiting the movement locus of hatch door. Four guiding mechanisms 37 are distributed in the hatch door left and right sides, arrange in pairs up and down. Wherein guide wheel 38 is connected with cabin door structure, and gathering sill 39 is connected with mouth mount structure.
Opened door second step opens hatch door for outwards upset. Hatch door promotes after terminating, and outdoor handle 25 is manipulated to extreme position, is locked the position of outdoor handle 25 by internal lock mechanism 19.
Internal lock mechanism 19 as shown in figure 12 is by stopper slot 42, roller rock arm 43, internal lock block 44, and the lock shaft block 45 that be connected fixing with Handle axis 20, compression spring assembly 46 and the inner lock shaft 47 hinged with cabin door structure collectively form. Compression spring assembly 46 one end is connected in inner lock shaft 47, and the other end is connected in cabin door structure. Outside pull-up hatch door, when hatch door departs from mouth frame, roller rock arm 43 departs from stopper slot 42, inner lock shaft 47 rotates under the effect of spring assembly 46, drive the fixing internal lock block 44 connected on it, internal lock block 44 coordinates with lock shaft block 45, the rotation of common lock handle axle 20, namely locks the position of outdoor handle 25.
Continuing outside pull-up hatch door, after exceeding certain position, driving mechanism 11 drive hatch door to automatically open up, this mechanism end and airframe structure are articulated and connected. The opening mechanism 12 of hatch door adopts double; two hinged composition of four-bar mechanism, and driving mechanism 11 is made up of four air springs 48 and a set of four-bar mechanism. When hatch door is opened, air spring 48 drives the suspension arm 41 of opening mechanism 12 to rotate by four-bar mechanism, thus the upset realizing hatch door is opened. After hatch door is opened to extreme position, operator unties the fitful wind lock 10 being fixed in cabin door structure, and fitful wind lock 10 is by strut 49, and fuselage bearing 50 forms. The end of strut 49 is inserted in bearing 50 by operator, namely completes the process of locking, and hatch door has been opened.
Claims (6)
1. a civil aircraft hyperbolic section half blocking type cargo door, it is characterized in that: in the Handle axis (20) within hatch door, be connected to outdoor handle mechanism (17), vent mechanism (18) and Handle axis (20) linkage, Handle axis (20) two ends, left and right are provided with latch mechanism (14), latch mechanism (14) is provided with the visual detection mechanism (15) of inspection Handle axis position of rotation;Handle axis (20) and door bolt axle (21) linkage, be provided with bolt mechanism (16) at the two ends of door bolt axle (21); In Handle axis (20), also linkage has opening mechanism (12), includes the crank II(36 hinged with hatch door in opening mechanism (12)) and the opening mechanism connecting rod (40) that is connected with suspension arm (41), the relative airframe structure up and down motion of linkage hatch door;
Handle axis (20) and vent mechanism (18), Handle axis (20) and door bolt axle (21), link each through cam link and four-bar mechanism between Handle axis (20) and opening mechanism (12), thus realizing the transmission of rotational motion.
2. a kind of civil aircraft hyperbolic section half blocking type cargo door according to claim 1, it is characterised in that: described latch mechanism (14) includes lock shaft lock (27) being enclosed within Handle axis (20), and is fixed with door bolt axle lock (28) on door bolt axle (21).
3. a kind of civil aircraft hyperbolic section half blocking type cargo door according to claim 1, it is characterized in that: described visual detection mechanism (15) includes spring (31), one end of spring (31) is connected on lock shaft lock (27), the other end is connected on indication panel (30), the upper end of indication panel (30) is pressed in the roller groove of door bolt axle lock (28) by roller (29), and the position of indication panel (30) is corresponding with the position of the observation window (33) being arranged in cabin door structure.
4. a kind of civil aircraft hyperbolic section half blocking type cargo door according to claim 1, it is characterized in that: described bolt mechanism (16) includes door bolt rocking arm (34) and door bolt groove (35), wherein fasten rocking arm (34) with a bolt or latch and be connected on door bolt axle (21), door bolt groove (35) is arranged on fuselage mouth mount structure, drive door bolt rocking arm (34) away from or into door bolt groove (35) by fastening axle (21) with a bolt or latch, it is achieved to solve door bolt or lock bolt.
5. a kind of civil aircraft hyperbolic section half blocking type cargo door according to claim 1, it is characterized in that: the described crank II(36 in opening mechanism (12)) it is connected on the four-bar mechanism driven by Handle axis (20), the other end is hinged with cabin door structure, the middle part of crank II36 and opening mechanism connecting rod 40 are hinged, connecting rod 40 is connected with the suspension arm 41 of both sides, and suspension arm (41) is hinged with airframe structure simultaneously.
6. a kind of civil aircraft hyperbolic section half blocking type cargo door according to claim 1, it is characterized in that: described Handle axis (20) is also associated with internal lock mechanism (19), in internal lock mechanism (19) lock shaft block (45) be connected with Handle axis (20), inner lock shaft (47) is hinged with cabin door structure, inner lock shaft (47) is connected to roller rock arm (43), roller rock arm (43) is arranged in stopper slot (42), inner lock shaft (47) is additionally provided with internal lock block (44), after hatch door pull-up departs from mouth frame, roller rock arm (43) departs from stopper slot (42), inner lock shaft (47) drives internal lock block (44) to coordinate with lock shaft block (45) position, the position of rotation of lock handle axle (20).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610199858.4A CN105667757B (en) | 2016-04-05 | 2016-04-05 | A kind of blocking type cargo door of civil aircraft hyperbolic section half |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610199858.4A CN105667757B (en) | 2016-04-05 | 2016-04-05 | A kind of blocking type cargo door of civil aircraft hyperbolic section half |
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| CN105667757A true CN105667757A (en) | 2016-06-15 |
| CN105667757B CN105667757B (en) | 2017-11-17 |
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| CN106314801A (en) * | 2016-08-30 | 2017-01-11 | 中航沈飞民用飞机有限责任公司 | Ice breaking mechanism suitable for airplane turnover type covering cap |
| CN106314756A (en) * | 2016-08-30 | 2017-01-11 | 中航沈飞民用飞机有限责任公司 | Lifting locking mechanism of civil aircraft cabin door locking handle shaft |
| CN106672200A (en) * | 2017-01-06 | 2017-05-17 | 江苏美龙振华科技有限公司 | Airplane cabin door negative pressure device for water landing |
| CN106697254A (en) * | 2017-01-05 | 2017-05-24 | 江苏美龙振华科技有限公司 | Ditching stopping mechanism for airplane cabin door ventilator hole cover |
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| CN106314756A (en) * | 2016-08-30 | 2017-01-11 | 中航沈飞民用飞机有限责任公司 | Lifting locking mechanism of civil aircraft cabin door locking handle shaft |
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| CN106697253B (en) * | 2017-01-05 | 2023-09-01 | 江苏美龙振华科技有限公司 | Lifting mechanism for aircraft cabin door |
| CN106697254A (en) * | 2017-01-05 | 2017-05-24 | 江苏美龙振华科技有限公司 | Ditching stopping mechanism for airplane cabin door ventilator hole cover |
| CN106697254B (en) * | 2017-01-05 | 2023-08-11 | 江苏美龙振华科技有限公司 | Water forced landing blocking mechanism of airplane cabin door ventilating cover |
| CN106672200A (en) * | 2017-01-06 | 2017-05-17 | 江苏美龙振华科技有限公司 | Airplane cabin door negative pressure device for water landing |
| CN106882358A (en) * | 2017-04-12 | 2017-06-23 | 江苏美龙航空部件有限公司 | A kind of large-scale multi-functional automatic positioning mechanism of civil aircraft cargo door |
| CN106882358B (en) * | 2017-04-12 | 2023-07-28 | 江苏美龙航空部件有限公司 | Multifunctional automatic positioning mechanism for cargo compartment door of large civil aircraft |
| CN108118999A (en) * | 2017-12-21 | 2018-06-05 | 中航沈飞民用飞机有限责任公司 | A kind of cargo door opening mechanism of integrated motor pressurized strut |
| CN108118999B (en) * | 2017-12-21 | 2019-08-02 | 中航沈飞民用飞机有限责任公司 | A kind of cargo door opening mechanism of integrated motor pressurized strut |
| CN108583844A (en) * | 2018-04-19 | 2018-09-28 | 中国商用飞机有限责任公司 | Anti-misoperation device for passenger cabin door of airplane |
| CN108583844B (en) * | 2018-04-19 | 2021-08-13 | 中国商用飞机有限责任公司 | Anti-misoperation device for passenger cabin door of airplane |
| CN109229333A (en) * | 2018-09-25 | 2019-01-18 | 陕西飞机工业（集团）有限公司 | A kind of aircraft shipping hatch door Tiebar structure |
| CN109552594A (en) * | 2018-12-11 | 2019-04-02 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of floating type hatch door actuation mechanism of crank |
| CN109606618A (en) * | 2018-12-14 | 2019-04-12 | 中航沈飞民用飞机有限责任公司 | A kind of hatch door timesharing driving mechanism and its application |
| CN111021865A (en) * | 2019-12-09 | 2020-04-17 | 中航沈飞民用飞机有限责任公司 | Blocking type cabin door opening position lock mechanism |
| CN112550661A (en) * | 2020-12-17 | 2021-03-26 | 中航沈飞民用飞机有限责任公司 | Civil aircraft semi-plugging type wing upper emergency cabin door |
| CN112627653B (en) * | 2020-12-17 | 2022-03-18 | 中航沈飞民用飞机有限责任公司 | Door lock device of passenger plane |
| CN112627653A (en) * | 2020-12-17 | 2021-04-09 | 中航沈飞民用飞机有限责任公司 | Door lock device of passenger plane |
| CN113104193A (en) * | 2021-05-17 | 2021-07-13 | 中国商用飞机有限责任公司 | Pressurization prevention mechanism of airplane cabin door |
| CN114059877B (en) * | 2021-11-10 | 2023-03-14 | 中航沈飞民用飞机有限责任公司 | Vertical shaft transmission mechanism of civil aircraft cabin door |
| CN114059877A (en) * | 2021-11-10 | 2022-02-18 | 中航沈飞民用飞机有限责任公司 | Vertical shaft transmission mechanism of civil aircraft cabin door |
| CN115182655A (en) * | 2022-07-19 | 2022-10-14 | 中航沈飞民用飞机有限责任公司 | Non-danger emergency door on civil aircraft wing |
| CN115182655B (en) * | 2022-07-19 | 2023-10-31 | 中航沈飞民用飞机有限责任公司 | Non-danger emergency door on civil aircraft wing |
| CN115447780A (en) * | 2022-09-02 | 2022-12-09 | 中航通飞华南飞机工业有限公司 | Water delivery cabin door mechanism |
| CN115447780B (en) * | 2022-09-02 | 2024-07-23 | 中航通飞华南飞机工业有限公司 | Water throwing cabin door mechanism |
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