CN1175537A - Latch-lock mechanism for load carrying airplane cargo doors - Google Patents
Latch-lock mechanism for load carrying airplane cargo doors Download PDFInfo
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- CN1175537A CN1175537A CN 96111766 CN96111766A CN1175537A CN 1175537 A CN1175537 A CN 1175537A CN 96111766 CN96111766 CN 96111766 CN 96111766 A CN96111766 A CN 96111766A CN 1175537 A CN1175537 A CN 1175537A
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Abstract
A latch-lock mechanism for an airplane cargo door is disclosed. The latch-lock mechanism includes plurality of latch cams provided along the closing edge of the cargo door; plurality of latch pins provided along the closing edge of the cargo doorway and aligning each of the latch cams; a power drive unit (PDU) mounted on the cargo door; a first mechanical connecting unit for connecting the PDU to each of the latch cams; plurality of lock parts related to the latch cams and the latch pins; a lock handle for moving plurality of lock parts between locking position and unlocking position; a second mechanical connecting unit for connecting the lock handle to plurality of lock parts.
Description
The present invention relates to latch-lock mechanism, particularly the latch-lock mechanism of airplane cargo doors.
Current commercial aircraft all is provided with a plurality of turnover aperture usually in cabin, airframe bottom, to allow loading onto and unload luggage, goods and analogue to aircraft hold with from aircraft hold.The turnover aperture of cargo hold is all sealed by cargo door.Cargo door is very wide in structure and operating aspect variation range.Many cargo doors are canopy formula doors electrically operated, outside unlatching, and are different with the sort of blocking type door inside unlatching, that be often used for allowing the passenger to pass in and out.Just can pressurising in the time of must designing to such an extent that make engine room inside only close, fasten with a bolt or latch fixed and locking fully and correctly at door along top pivotally attached canopy formula door.In this respect, the general practice is some less ventilator doors to be set, so that prevent that the cabin pressurising is to dangerous degree on cargo door always.The design of cargo door and ventilator door actuating mechanism and interrelatedly be not close and fasten with a bolt or latch regularly ventilator door fully and correctly at cargo door and can not close, so as to preventing the pressurising of interior of aircraft.
High mechanization and quite large-scale aircraft freight-transport capacity are improved along with airplane industry becomes more, and adopting quite perfect goods/luggage loading and unloading system has been common thing.Perfect goods/luggage loading and unloading system makes to load onto and to unload and will occupy than the containerzation of large space volume and/or the goods of palletizingization.Along with the increase of cargo handling system, cargo-type container and cargo loading clamping plate size, must increase the size that goods on the airframe enters/go out the aperture.As a result, must develop bigger cargo door to close this aperture.Along with the increase of cargo door size and weight, it is complicated and heavy more that the cargo door latch-lock mechanism just becomes.In many cases, sizable part of this mechanism is installed on the airframe structure and/or is interconnected to cargo door, its mode is, when cargo hold is opened, this mechanism protrudes upward fuselage enters/goes out the aperture, and consequently having reduced the payload space in aperture widely and placed restrictions on can be freely by the cargo-type container in this aperture and/or the size of loading clamping plate.Secondly, along with the goods of aircraft stores the raising of ability, the possibility that fully loaded aircraft has certain fuselage agent structure of being twisted has slightly also increased.The distortion of fuselage agent structure trends towards producing direct problem when attempting to close cargo door.Do not align can cause door close and fasten with a bolt or latch that to decide mechanism dumb.
Fixed and the lockout mechanism of a kind of aircraft hold bolt, purpose is to overcome aforementioned every problem, explanation is among No. the 4473201st, US Patent (after this being called for short " 201 "), exercise question is " canopy formula airplane cargo doors and an actuating mechanism ", and the author is people (Franklin K.Barnes et al.) such as Franklin gram Barnes.The cargo hold bolt described in " though 201 " patent is fixed and lockout mechanism verified be to surpass prior art middle hold bolt calmly and a kind of huge progress of lockout mechanism, it haves much room for improvement.The present invention aims to provide a kind of improved close, fasten with a bolt or latch fixed and lockout mechanism, is used for a kind of canopy formula airplane cargo doors of the sort of type of general description among " 201 " patent.
According to the present invention, provide a kind of latch-lock mechanism that is used for canopy formula airplane cargo doors.This latch-lock mechanism comprises two straight-through axle drive shafts that made it to rotate by a shared Power Drive Unit (PDU).Draw in the outer end that hook is fixed in two axle drive shafts for two, be fixed near the airframe cargo door aperture two draw in the pin common actions.Drawing in hook makes it to close with the common actions pulling cargo door of drawing in pin.Each straight-through axle drive shaft also is connected in and handles each door bolt and decide cam, they be positioned at cargo door aperture periphery on the airframe on every side respectively fasten the rationed marketing common actions with a bolt or latch.Each door bolt decide cam catch respectively fasten rationed marketing with a bolt or latch and close fully after, be pushed in place by a hook that respectively locks that locks bar handle.Each locks the hook setting and makes to such an extent that can make their unlikely latched positions that is pushed into, and closes fully unless each door bolt of settling along the base of door is decided cam.In fact, each locks closing of hook and is prevented, unless they " think " that relevant door bolt decides cam and close.Preferably, comprise a torsion file protect in the connecting device between locking handgrip and each locking hook, to prevent that Overexertion does not remove to close the locking handgrip when each locking hook is closed fully.
According to another aspect of the present invention, latch-lock mechanism comprises each eyesight, be positioned at door bolt and decide near cam/door bolt rationed marketing/locking hook combination, so that whether a skilled worker can conclude that each is fastened with a bolt or latch and decides cam to lock hook in the closed position with each.
According to additional aspects of the present invention, latch-lock mechanism comprises that one is contained in locking handgrip case shell on the airplane cargo doors by what outside twist-lock handgrip opened.Be equipped with one via the near manual 90 ° of gears case that are connected in PDU of lock handle case shell joint, each axle drive shaft can't be obtained or PDU uses manual operation when losing efficacy at electric power.Thereby, to open if respectively lock hook, this situation occurs in the locking handgrip when shifting to the open position, and each axle drive shaft could be used manual operation, to allow approaching manual 90 ° of gears case.Preferably, among the connecting device between manual 90 ° of gears case and the PDU, a torsion file protect is set, prevents that excessive manual strength from putting on each axle drive shaft.
According to other aspects of the present invention, the locking handgrip is remained on closed condition-holder by a holder confining force is overcome by a pulling strength, has got rid of the possibility that door is opened by external pressure.
According to additional aspects of the present invention, each locks hook and is clamped in each door bolt and decide cam and fastens with a bolt or latch between the rationed marketing supporting structure.As a result, can prevent from respectively to fasten with a bolt or latch each door bolt of rationed marketing slippage from the side and decide cam.
According to the present invention other aspect more, each door bolt decide cam be not be contained in key be installed on each fasten with a bolt or latch decide cam drive axle in-to-in each above the minor axis, and be arranged on key be loaded on door bolt decide the cam drive axle exterior each above the minor axis end, to form the comparatively direct fail safe load path of canopy formula door one.
According to the more other principle of the present invention, be provided with an auxiliary excess of stroke hill holder and each axle drive shaft of PDU be connected in the activity that respectively drives link rod that each door bolt is decided the cam drive axle to place restrictions on, come to harm with the crust that prevents airplane cargo doors.
According to the more other aspect of the present invention, the locking handgrip also can be handled an interlock system, and this device can prevent ventilation by pressure door unlatching when the locking handgrip is opened of airplane cargo doors.
Will understand easily from above summary, the invention provides a kind of novelty and latch-lock mechanism improved, that be used for airplane cargo doors.Compare with the system of type described in " 201 " patent, use each straight-through axle drive shaft to cause part system less and that easily install.In addition, a kind of latch-lock mechanism weight of making according to the present invention is lighter, because it does not need heavy weight, cantilevered bearing arrangement.Do not need each door bolt decide the eyelet of respectively growing up that is equipped with each heavy lining among the frame bearing yet.Because system's less complex, the set-up time is less than the set-up time of type system described in " 201 " patent significantly.Use a kind of visual locking hook can make skilled workers and other people determine cargo door, comprise the latch-lock mechanism of making according to the present invention be close fully with the locking.Can prevent that excessive manual strength from putting on or each axle drive shaft or locking handgrip comprising a torsion file protect among the hand gear and among the locking handgrip close mechanism.Secondly, on locking case shell, the inlet that leads to manual 90 ° of gears case is set and prevents careless M/C.Use need can be got rid of with the locking handgrip that pulling strength is opened, and need do under the situation of a water landing possibility that door is opened by external pressure at the improbable aircraft that a kind of latch-lock mechanism of making according to the present invention is housed.Equally, the interlock system between locking handgrip and the ventilation by pressure door can prevent to open at the situation downforce ventilator door of improbable water landing.
Above-mentioned each characteristic of the present invention and other each advantages, along with the present invention is being had better understanding with reference to after the following detailed description of being done in conjunction with the accompanying drawings, can be easier to understand, wherein:
Fig. 1 is the lateral plan with airplane of a large cargo hold door;
Fig. 2 is the viewgraph of cross-section that shows the large cargo hold door that is shown in Fig. 1 in more detail;
Fig. 3 is the transparent view according to the door bolt certain portions of a kind of latch-lock mechanism of the present invention's making;
Fig. 4 is shown in the axle drive shaft of Fig. 3 and the longitudinal view of Power Drive Unit;
Fig. 5 is the detailed view that is shown in the coupling mechanism of Fig. 3, and this mechanism is connected in each door bolt to each axle drive shaft of being handled by a Power Drive Unit and decides the cam drive axle;
Fig. 6 is the amplification isometric view that is shown in the coupling mechanism of Fig. 3, and this mechanism is connected in Power Drive Unit to manual 90 ° of gears case;
Fig. 7 is the front elevation that the door bolt that is shown in Fig. 3 and 9 is decided the partly cut-away of cam, door bolt rationed marketing axle and locking hook;
Fig. 8 A and 8B are the viewgraph of cross-section along Fig. 7 cathetus 8-8;
Fig. 9 is the transparent view according to the lock part of a kind of latch-lock mechanism of the present invention's making;
Figure 10 is the drafting figure that door bolt is decided each target of cam, door bolt rationed marketing and locking hook;
Figure 11 is according to a locking handgrip case shell of a kind of latch-lock mechanism of the present invention's making and the viewgraph of cross-section of a locking handgrip;
Figure 12 is the locking handgrip case shell made according to the present invention and another viewgraph of cross-section of a locking handgrip, is orthogonal to the view that is shown in Figure 11 and gets;
Figure 13 is the locking handgrip case shell made according to the present invention and the another viewgraph of cross-section of a locking handgrip, also is to be orthogonal to the view that is shown in Figure 11 and to get, and shows to be positioned at other each parts among the locking handgrip case shell;
Figure 14 is orthogonal to the view that is shown in Figure 12 and 13 and the viewgraph of cross-section of the locking handgrip case shell of getting, and shows the installing mechanism that is used for inner release and PVD interlocking locking handgrip connecting device; And
Figure 15 one is suitable for use in the viewgraph of cross-section of the ventilator door on the airplane cargo doors of making according to the present invention.
Fig. 1 shows traditional, a high-capacity commercial passenger plane 25, is bearing on the ground 28 by alighting gear 26.For this class aircraft, more commonly, fuselage 29 is divided into a upper chamber 31 and cabin, a bottom 32 by a horizontal floor 30.Upper chamber 31 comprises the main cabin, the aircraft frame is sailed cabin, flight kitchen, lavatory and cabin baggage storage area.The cabin, bottom comprises preceding and after hold.
In the exemplary aircraft 25 that is shown in Fig. 1, the turnover path of fore hold is to be formed by a bigger cargo door 34, and this is equipped with a kind of latch-lock mechanism of making according to the present invention.This is located within the gateway 35 that forms on fuselage 29 right walls in the fore hold zone or the starboard wall.Skilled person in the art will be understood that the ad-hoc location and the size of exemplary cargo door 34 are not critical to the present invention.In other words, one is embodied cargo door of the present invention and can be positioned at: preceding cargoarea, as shown in the figure; Back cargoarea; Two cargoareas; Perhaps, with regard to this part thing, any side among the fuselage 29 port and starboard both sides.Latch-lock mechanism of the present invention combines with carrying cargo door 34 and uses is particularly advantageous.
As shown in Figure 2, as an example, have the cargo door 34 of the canopy formula door of outwards opening of general common frame skin structure, be connected in the fuselage 29 of aircraft 25 with each linkage 39 pivotly.Each linkage 39 is along the top edge setting of door 34.The opening and closing of each linkage 39 control cargo doors 34, that is the control cargo door is shown in the primary importance of opening fully of Fig. 2 and 34 the activities between a near the second place on the jar slightly edge, its underpart at this place one imaginaryly.Two linkages 39 are contained in above the door 34 and by it and hold, and one near the front upper edge of door and another back top edge near door.In the door down periods, cargo door 34 is moved to position on the jar slightly by two linkages earlier.Afterwards, door 34 earlier by means of make according to the present invention and following more a kind of bolt lock mechanism of explanation fasten decide in place.After door bolt was fixed, door relended and helps the latch-lock mechanism locks in place.
For the purpose of complete, before explanation latch-lock mechanism of the present invention, linkage 39 makes a brief explanation.The exemplary hinge mechanism 39 that is shown in Fig. 2 is handled by a rotating driver (also not drawing) that is connected in a hinge Power Drive Unit (not shown) by means of a Torque tube (not shown).The output of Torque tube is passed to the driving linkage unit of linkage shown in Figure 2 by a short output shaft (not shown).Drive linkage unit and comprise that one drives armed lever 50, drive an end that is connected in short output shaft and is connected in a link rod 51 at its other end pivotly at the one end.The other end of link rod 51 itself is connected in a support 36 that is loaded on the airframe main body pivotly at point 52 places again.
The hinge driver train is such: at cargo door 34 non-lockings, fully door bolt is fixed and when being in a position on the jar slightly, the power supply of hinge Power Drive Unit is after pass to moment of torsion preceding and the back rotating driver by each Torque tube, and thereby pass to the output shaft that is connected in by driving the preceding and rear drive linkage unit that armed lever 50 and link rod 51 constitute, cause outwards and upwards pivot of canopy formula door 34.On the position of complete opening, a limit switch (not shown) is activated to remove the power supply of hinge Power Drive Unit.Cargo door 34 is held open state and closes the door till operation cycle begins until one, and at that time, the hinge Power Drive Unit is powered once more so that before driving towards the door off position in the opposite direction and the rear drive linkage unit.Be provided with one second limit switch (also not drawing) and remove the power supply of hinge Power Drive Unit when arriving at a second place at cargo door, on this second place, though door is closed basically, but on the jar slightly, between the horizontal sill platform of lower gate edge and gateway 35, form about 2.5 an inches gap.Latch-lock mechanism of the present invention is activated the door of closing to fasten and to lock in the mode that after this will narrate subsequently.Fig. 2 shows that also door 34 comprises one or more ventilator door 83.Can be with reference to " 201 " patent with the illustrating of the hinge driver train of the sort of type that obtains above summary than more completely, the sufficient reference of contrasting in front of this patent is awarded in this literary composition and has been drawn its main points.
The present invention aims to provide a kind of improved latch-lock mechanism of novelty, belong to the general type described in " 201 " patent, have some improvements, be intended to overcome some shortcoming of type latch-lock mechanism described in " 201 " patent and meet modern federal aviation control regulation.The purpose of these improvements is some other advantages that will reduce weight and complexity, reinforcement reliability and the following stated is provided.
Fig. 3 is the drafting figure of each vital parts that shows the door bolt certain portions of a kind of latch-lock mechanism of making according to the present invention.The door bolt certain portions comprises: a door bolt determined power actuating device (PDU) 61; Two door bolts are decided axle drive shaft 63; Two adapter shafts 65; Draw in hook axle 67 for two; Two are integrally formed in the hook of respectively drawing on the hook shaft end of drawing in; One manual 90 ° of gears case 71; Proficiency moving axis 73; One 90 ° of gears case 75; One coupling spindle 77; Stride axle drive shaft 79 in two; Two be integrally formed in stride in each on the driveshaft end in stride drive bolt button 81; Stride pony axle 82 in two; Stride link rod 85 in two tops; Stride link rod 87 in two bottoms; Eight door bolts are decided cam 89; Four door bolts are decided cam drive axle 91; Four door bolts are decided cam pony axle 93; Four top door bolts are decided cam drive link rod 95; And four bottom door bolts are decided cam drive link rod 97.Be shown in Fig. 4 though be used to support the supporting structure that each door bolt decides axle drive shaft 63, each adapter shaft 65 and respectively draw in hook axle 67, and be used for each door bolt and decide the Fig. 7 that is shown in of cam drive axle 91, be not shown in greater detail among each accompanying drawing but be used to support some other supporting structure.It is just enough to make a point: in needs explanations, these axle mountings must be in order to rotate in suitable bearing seat, perhaps when being necessary to illustrate, is installed in each fixed position, other each parts around rotation.In this respect, each axle drive shaft is installed in order to rotation, and each pony axle is installed in each fixed position.Will recognize better that from following each bell crank that is installed on each pony axle can rotate around each pony axle.In addition, each bell crank can be fixed in each pony axle, and each pony axle is installed in order to rotate.
Manual 90 ° of gears case 71 are connected in PDU 61 by 73,90 ° of gears case 75 of manual axle and coupling spindle 77 in a conventional manner, see Fig. 6.Preferably, PDU 61 is contained between the pair of frames 76, and one of them is by each bolt 78 supporting PDU.
To decide PDU 61 are a kind of traditional actuating devices to door bolt and comprise the output shaft that is positioned at its opposite sides thereof.Two door bolts decide axle drive shaft 63 and are connected in door bolt and decide two output shafts of PDU 61 and also from then on stretch out.Two adapter shafts 65 are connected in two door bolts coaxially decide the end of axle drive shaft and also from then on to stretch out.Two draw in hook axle 67 be connected in coaxially two adapter shafts 65 the end and from then on stretch out.Two ends of drawing in the hook axle extend through door 34 end frame 68a (Fig. 4), and thereby terminate in the dual-side place of door.Preferably, the end of each is connected and fixed with telescopic spline or links together.As a result, each door bolt is decided drive axle segments, and promptly two door bolts are decided axle drive shaft 63, two adapter shafts 65 and two are drawn in hook axle 67 and constituted a pair of straight-though axle drive shaft, as shown in Figure 3, decides the dual-side that PDU extends outwardly into door 34 from fastening with a bolt or latch.Two draw in hook 69 and two draws in the outer end of hook axle 67 and makes one.
The present invention comprises two straight-through door bolts and decide axle drive shaft, all framework 68a, 68b that they extend through, 68c ...As shown in Figure 4, and they can assemble from the both ends framework 68a of door 34, and this configuration has many advantages, be better than in " 201 " patent illustrated in and the biasing axle drive shaft configuration of the sort of type explanation, that do not pass end frame.One straight-through axle drive shaft can make each door bolt decide drive axle segments and install easily, and can make and draw in hook and load onto by the end frame of door 34, and does not need to install simultaneously each bearing brackett device.Because shown in Fig. 3 and 4 and above-mentioned two straight-through door bolts decide axle drive shaft and are had and decide two of drive axle segments coplane with each door bolt and draw in hook, each bearing arrangement can be only be installed in each in advance with two attachment bolts and fastens with a bolt or latch and decide among the framework connection accessory.It is arranged coaxial that each bearing arrangement and each door bolt are decided the frame support accessory.As a result, decide axle drive shaft and each bearing brackett device thereof, lacking during the biasing axle drive shaft of the sort of type that number of parts is more illustrated than " 201 " patent disposes for each straight-through door bolt above-mentioned and that be illustrated in the sort of type of Fig. 3 and 4.In addition, because do not need some heavy weight cantilevered bearing arrangements, this system is light.Secondly, do not need decide some eyelets of growing up that the heavy lining among the frame bearing is equipped with each door bolt.Also have, the set-up time that the straight-through door bolt that is shown in the sort of type among Fig. 3 and 4 decide axle drive shaft be less than in " 201 " patent significantly illustrated in and the biasing axle drive shaft of the sort of type of explanation set-up time of disposing.
In operation, shift to its position on the jar slightly and door bolt at down periods door 34 and decide after PDU is activated, each door bolt decide drive shaft turns, causes adapter shaft and draws in the rotation of hook axle.Causing respectively drawing in hook 69 like this catches to be positioned at and respectively draws in pin 99 near the aperture of door mouth 35.Along with each rotation with respectively draw in hook 69 and catch and respectively draw in pin 99, door is forced inwardly to an off position, and it is fastened with a bolt or latch calmly by each following door bolt-lock part at this.The common actions pulling door 34 cargo door apertures against a process distortion of respectively drawing in hook 69 and respectively drawing between the pin 99 make it to close.At open period, respectively draw in hook and respectively draw in common actions between the pin forcing door to be opened against making it by the ice push plug that water caused that freezes.
Striding door bolt in each decides both arms and is contained in by handle 101 and respectively draws on the hook axle 67.One end of striding link rod 87 in each bottom is secured to stride in one to fasten with a bolt or latch rotationally decides bell crank 101.The other end of striding link rod 87 in each bottom be secured to rotationally be contained in one stride in relevant on the pony axle 82 in stride idle running bell crank 103.Striding link rod 85 in each top is connected in to be contained in and strides axle drive shaft bell crank 105 in each of striding in each on the axle drive shaft 79 striding idle running bell crank 103 in each.Stride in each door bolt button 81 with each in stride axle drive shaft 79 each in addition (outward) to hold be one.The connection situation is, cargo door fasten with a bolt or latch in the above described manner fixed after, being rotated further of hook axle 67 of drawing in of decide by door bolt that PDU 61 caused makes and strides door bolt button 81 in each around each bearing pin (not shown) rotation of being fixed near the airframe on gateway 35 both sides of striding the door bolt button in each.Since be shown in Fig. 3 and sketched in the above in stride door bolt decide mechanism be similar to diagram and be specified among " 201 " patent in stride door bolt and decide mechanism, so just no longer illustrated here.The purposes of striding the door bolt button in each is that the middle part of guaranteeing cargo door 34 is aligned with doorframe, to keep a kind of pressure seal (not shown) in place.During can not needing, some cargo doors stride the door bolt button.
Each door bolt is decided cam bell crank 107 and is striden bell crank 101 a little upcountry be contained in and draw in above the hook axle 67 from each.Door bolt decide cam bell crank 107 and also is contained in each and fastens with a bolt or latch and to decide above the axle drive shaft 63, shown in Fig. 3 and 4.The end that top door bolt decide cam drive link rod 95 is connected in each rotationally and fastens with a bolt or latch and decide cam bell crank 107.The other end that each top door bolt decide cam drive link rod 95 is connected in one rotationally and is contained in a door bolt and decides door bolt on the cam pony axle 93 and decide the cam bell crank 109 that dallies.Each bottom door bolt decide cam drive link rod 97 and each door bolt decide cam idle running bell crank 109 is connected in and is contained in each door bolt and decides respectively fastening with a bolt or latch on the cam drive axle 91 and decide cam drive axle bell crank 111.Two door bolts are decided cam 89 and are positioned at the opposite ends place that each door bolt is decided cam drive axle 91, shown in Fig. 3,5,7,8A and 8B, and as described below.
Fig. 5 has shown in detail and decide axle drive shaft 63 and is connected in each and fastens the bell crank mechanism that decides cam drive axle 91 with a bolt or latch respectively drawing in hook axle 67 and each door bolt.Fig. 5 shows that also preferably, each door bolt is decided cam bell crank 107 and comprised auxiliary excess of stroke hill holder 113.Each auxiliary excess of stroke hill holder 113 comprises each ring, extends through and encase the attaching end that each top door bolt is decided cam drive link rod 95.
Skilled person in the art and other staff will easy to understand, and each excess of stroke hill holder 113 constitutes a kind of auxiliary excess of stroke hill holder.In this respect, under some situation, the excess of stroke stop pin and the crank that are installed in the airplane cargo doors latch-lock mechanism of some type may be not enough to prevent the excess of stroke fully, causes each bell crank to turn over its stop position and damage the outer skin of cargo door.This consequence can be belonged to multiple reason: misloading the door bolt of the main stop pin of an inefficacy or its supporting accessory, an inefficacy decide axle drive shaft, a door bolt that lost efficacy decide PDU output driving shaft (out-driveshaft) or is fastened the excess of stroke crank armed lever of deciding the inefficacy of one above the axle drive shaft with a bolt or latch.These repair of malfunctions get up to spend length big and consuming time.If bell crank rotates excessively, be shown in Fig. 5 and decide cam drive link rod 95 with regard to closing top door bolt with explanation auxiliary excess of stroke hill holder 113 as above.Hill holder stops door bolt to decide the output of PDU and prevents that bell crank from rotating the outer skin of passing cargo door.Decide the output of PDU moment of torsion because excess of stroke hill holder can not be kept out whole door bolts separately, so preferably, two bell cranks comprise and are shown in Fig. 5 and as above excess of stroke hill holder is described.As a result, the cargo door covering of deciding the PDU both sides at door bolt is protected.One side is that main excess of stroke hill holder bearing pin and crank, opposite side are two auxiliary stop of type shown in Figure 5.
Fig. 7,8A and 8B show that in detail respectively door bolt is decided cam 89 and fastened the mutual action of rationed marketing 131 with a bolt or latch with each, and door bolt rationed marketing 131 is by door bolt rationed marketing bearing 133 supportings that are contained on the gateway 35 bottom sill platforms.Fig. 7 shows that also each door bolt decide cam drive axle bell crank 111 and bottom door bolt and decides connection state between the associated end of cam drive link rod 97, and respectively fastens the structure of deciding cam drive axle 91 with a bolt or latch.Each door bolt is decided cam drive axle 91 and is comprised a hollow center axle 113.A pair of minor axis 115a is connected in the spline mode with 115b and is installed in above the hollow center axle 113.Minor axis 115a and 115b extend internally and end is close to each other within it from the outward flange of hollow center axle 113.Relevant door bolt is decided cam drive axle bell crank 111 and is installed and be connected above the minor axis 115b in the spline mode.Shown in Fig. 5 and 7, door bolt is decided cam drive axle bell crank 111 and is connected in the end that the bottom door bolt is decided cam drive link rod 97 rotationally by a bearing pin 117.Each outer end of minor axis 115a and 115b install rely on each door bolt to decide among the frame supporter 119 each bearing (not drawing in detail) be engaged in rotation.Each door bolt is decided the two ends that frame supporter 119 is contained in a framework 121.Framework 121 comprises web 123,125 and 127, and they comprise that cam drive axle 91 passes and some eyelets that cross.One of web 125 constitutes a fail safe type around the joint between two the inners of minor axis 115a and 115b and shears bracket (lug shear tie).Each door bolt is decided the direct fail safe load path that structure provided of cam drive axle and decide cam drive axle construction with illustrated door bolt illustrated in " 201 " patent.
Each door bolt is decided the end that cam 89 is arranged on minor axis 115a and 115b.One longitudinal bolt 129 that extends through hollow center axle 113 middle parts is clamped together minor axis 115a and 115b.Each door bolt decide cam 89 with support by each door bolt rationed marketing bearing 133 respectively fasten rationed marketing 131 common actions with a bolt or latch.As mentioned above, and shown in Fig. 8 A and 8B, each is fastened rationed marketing bearing 133 with a bolt or latch and is contained on the bottom sill platform 135 of gateway 35.Fig. 8 A and 8B show that also each door bolt is decided the lower beam 137 that frame supporter 119 is secured to door 34.
Respectively drawing in after hook 69 has been pushed to an off position to door 34, thereby each door bolt decide being rotated further of axle drive shaft 63 and is caused minor axis 115a and each door bolt of 115b decide cam 89 fastening rationed marketing 131 rotations with a bolt or latch around each.As a result, each the door bolt decide cam 89 move past be shown in Fig. 8 A local off position to the complete off position that is shown in Fig. 8 B.On complete off position, door 34 is fixed by door bolt.After this, as described below at lockout mechanism, when being activated, it is just locked in place that each door bolt is decided cam.Preferably, each fasten with a bolt or latch rationed marketing bearing 133 comprise around each the door bolt rationed marketing 131 the surface of respectively facing.The surface bearing of respectively facing each to Intermediate gasket 139, and they tilt each door bolt is decided cam orientation opposed several to fastening with a bolt or latch between the rationed marketing supporting structure along a direction.Each is in order to overcome because the doorframe that the airframe distortion is caused misaligns phenomenon to packing into of Intermediate gasket.Each door bolt decide cam by to PDU 61 power supply with in opposite direction, that is decide the direction of direction in contrast to door bolt, rotate each and fasten with a bolt or latch and decide axle drive shaft and discharge from fastening allocation with a bolt or latch.
The major part of the lock part of a kind of latch-lock mechanism of making according to the present invention is shown in Fig. 9.This lock part comprises: a locking handgrip case shell 141, and its inlet is closed by a locking handgrip 203 (be shown in Figure 10 to 12 and be described as follows); One locking handgrip axle drive shaft 143; The long link rod 145 of one locking handgrip; One locking handgrip pony axle 147; The short link rod 149 of one locking handgrip; One locking hook axle 151; The short link rod 153 of one ventilation by pressure door (PVD); One PVD pony axle 155; And the long link rod 157 of a PVD.Locking handgrip axle drive shaft 143 stretches out along the direction that is parallel to locking hook axle 151 from locking handgrip case shell 141, and axle 151 is parallel to door bolt and decides cam drive axle 91, shown in Fig. 7,8A and 8B.The outer end of locking handgrip axle drive shaft 143 is connected in an end of the long link rod 145 of locking handgrip rotationally by a both arms crank 144.The other end of the long link rod 145 of locking handgrip is connected in an end of locking handgrip pony axle 147 rotationally by a both arms crank 146.The other end of locking handgrip pony axle 147 is connected in an end of the short link rod 149 of locking handgrip rotationally by a both arms crank 148.The other end of the short link rod 149 of locking handgrip is connected in an end of locking hook axle 151 rotationally by a both arms crank 150.As the result of above-mentioned connection, locking handgrip axle drive shaft 143 rely in the mode that after this will illustrate locking handgrip 203 opening and closing between the two positions move and when being rotated, locking hook axle 151 promptly is rotated.
Shown in Fig. 8 A and 8B, locking hook axle 151 is decided frame supporter 119 supportings by each door bolt and is got up to rotate.8 locking hooks 159 are housed on locking hook axle 151, fasten each of deciding in the cam 89 with a bolt or latch in alignment with 8 one by one.
Shown in Fig. 8 A and 8B, each lock hook 159 can a retrieving position (Fig. 8 A) and close or latched position (Fig. 8 B) between move.The locking handgrip moves to off position and can make and respectively lock hook and move to and close or latched position, and the locking handgrip moves to the open position and can make and respectively lock hook and move to retrieving position.On retrieving position, each outer end that locks hook puts in the eyelet 161 that is formed on above door 34 lower beam 137.Close or latched position on, each locks hook 159 and is stacked in each door bolt and decides above uncovered of cam 89.
Shown in Fig. 8 A and 8B, from the side, when promptly seeing perpendicular to the longitudinal axis of locking hook axle 151, each locks the trailing edge of hook 159, promptly in the face of the edge of lower beam 137, stretches out and crooked backward subsequently to form a tip 165 from locking hook axle 151.This most advanced and sophisticated end that connects a pedal plate 167, the front end of pedal plate terminates in a leading edge that inwardly puts in 169 places, promptly locks the leading edge place that hook axle 151 extends one day.That the leading edge 169 that inwardly puts in terminates in is one that stretch out forward, finish 171 places, edge at 173 places, a turning.This turning also is made of the remainder of locking hook leading edge 175.The remainder of leading edge 175 bends towards and terminates in locking hook axle 151 places.
Shown in Fig. 7,8A and 8B, the inner part 177 that each door bolt decide cam 89 be circle and comprise that one is the margins of excision 179 of convex shape.The shape that is the margins of excision 179 of convex shape is made the shape of deciding to accord with when cam 89 is closed fully the projecting edge forward 171 that locks hook 159 at each door bolt, shown in Fig. 8 B.Decide before cam closes at door bolt, each door bolt decide cam 89 inner parts 177 non-margins of excision 180 size calmly: move to its latched position (Fig. 8 B) from its retrieving position (Fig. 8 A) if respectively lock hook, then can collide the turning 173 that respectively locks hook 159.
Each door bolt is decided cam 89 and is had an outer part 181 that is shaped as semicircle.The size of this semi-circular shape is fixed as can to hold the end of respectively fastening rationed marketing 131 with a bolt or latch, shown in Fig. 8 A and 8B.As shown in Figure 7, the pedal plate 167 of each locking hook 159 is aligned with the semicircle outer part 181 that each door bolt is decided cam 89.When each door bolt is decided cam and is closed fully, shown in Fig. 8 B, each is fastened rationed marketing with a bolt or latch and is decided cam 89 and caught by each door bolt, and each door bolt is decided the cam orientation situation and is, each locks hook and can move on the position, the evagination curved cutaway edge 179 of cam 89 inner parts 177 is decided in alignment with each door bolt in the edge 171 that stretches out forward that respectively locks hook in this position, and the pedal plate 167 that respectively locks hook is positioned respectively to fasten with a bolt or latch the back of rationed marketing 131.
Each eyesight 193 is formed on the outer skin 191 of door 34.Eight eyesights are decided cam/door bolt rationed marketing/locking hook combination near each door bolt that is provided with along door 34 lower edge one by one altogether.The position of each eyesight 193 is fixed as can to make each skilled worker judge that each door bolt decide cam and whether closes and lock hook and be in and close or the open position with each.When each locking hook 159 was regained, owing to be provided with each flange 194 in eyesight one side that is formed at each eyelet 161 on door 34 lower beam 137, they be can't see by each eyesight.Preferably, locking hook, door bolt are decided each part of cam and door bolt rationed marketing bearing at black background japanning yellowly, so that the skilled workers that watch by each eyesight can confirm, it is that reaching of closing respectively locks hook and be in its off position around each door bolt rationed marketing that each door bolt decide cam.Say that more specifically as shown in figure 10, a door bolt is decided target 196, preferably is the foursquare form of glassy yellow, lacquer is on the black background on each door bolt rationed marketing bearing 133.The position that each door bolt decide target calmly can to make the people pass through each eyesight 193 visible.Decide the cam japanning at each door bolt and go out an arrow 198, still preferably, it is yellow that arrow is on black background.The position of each arrow is fixed as to decide to be aligned with when cam is closed its relevant target 196 at each door bolt.These arrows also are observable by each eyesight 193 certainly.Outside face japanning at each locking hook 159 pedal plate 167 has a kind of image, such as a circle 200, preferably also is to be yellow on black background.These images are can observable by eyesight at each locking hook when closing.
It is different with the shape that respectively locks finder among being shown in and being set forth in " 201 " patent that each locks the shape of hook 159.In fact, each locks hook and can not close, unless they " think " that each door bolt decides cam and close.Preferably, each locks hook 159 and makes to such an extent that have enough intensity and with direct compression rather than by shearing and crooked, react on by door bolt and decide the unlatching moment of torsion that PDU 61 is produced.As shown in Figure 7, each locks hook is quite wide, forms sizable " a winning " area of deciding cam at each door bolt.Secondly, be arranged on each door bolt and decide between cam 89 inner parts 177 and each door bolt rationed marketing bearing 133 because respectively lock hook, slippage is from the side respectively fastened with a bolt or latch and is decided cam so they are held.Each locks hook and constitutes compression-type extrusion hill holder, and is opposite with the flexure type hill holder with shearing.Any one locking hook is all had the ability to keep out by door bolt and is decided whole unlatching moments of torsion that PDU 61 is produced.
As shown in figure 11, a locking handgrip axle 195 extends through locking handgrip case shell 141.One end of locking handgrip axle 195 is connected in locking handgrip axle drive shaft 143 via a torsion file protect (torsion fuse) 197.The other end of locking handgrip axle 195 is connected in an end of an excess of stroke crank 199, and the position of this crank is fixed as can to collide an excess of stroke hill holder 201 that is secured to the contiguous wallboard of locking handgrip case shell 141.
As shown in figure 12, locking handgrip case shell 141 has a aperture on door 34 outsides.This aperture is barred up by locking handgrip 203.Locking handgrip 203 is connected in this axle by a hinge assembly 204 by 195 supportings of locking handgrip axle, and the hinge assembly is similar to the described person of " 201 " patent, and this patent has been taken in this paper as reference.As a result, locking handgrip hinge assembly 204 has not just illustrated at this.Only illustrate that the present invention locks handgrip door bolt and decide mechanism and locks handgrip with " 201 " patent and fasten each key distinction of deciding between the mechanism with a bolt or latch.
The present invention locks handgrip door bolt and decide mechanism and is shown in and is set forth in locking handgrip door bolt among " 201 " patent and decide the key distinction of mechanism and relate to and comprise that one is connected in the hook spare 205 of the handle end that locks handgrip 203 rotationally.Hook spare by a torsion spring 209 towards bayonet lock 207 spring-loaded that are contained among the locking handgrip case shell 141.One hinged import cover plate 209 is arranged near the handle end of locking handgrip 203.When the import cover plate inwardly moved to the open position, each skilled worker can access the inboard that the locking handgrip holds end 211 with finger.Outwards pull holding of locking handgrip with enough strength and hold 211, can move hook spare 205 away from bayonet lock 207, free the locking handgrip.After this, locking handgrip 203 can be moved on the open position shown in dotted lines in Figure 12.
The one inside releaser that is shaped as U-shaped armed lever 213 be provided with hook spare 205 inner common actions, can be in order to inboard release hook spare 205 from door 34, the locking handgrip can be struck with the hand open from the inboard of door.As shown in figure 14, a short-leg of U-shaped armed lever 213 is secured to the outer end of a sleeve 212, and sleeve then is contained in one and extends through on the axle 214 that locks handgrip case shell 141.On sleeve 212, locking handgrip case shell the inside, with 205 pairs of normal incidences of hook spare one projection 216 is housed, be provided with to such an extent that hook spare 205 is pushed open from bayonet lock 207 when door 34 outwards draws back with hook spare mutual action and at the long leg of U-shaped armed lever.
Hook spare 205 and bayonet lock 207 design to such an extent that can make a skilled worker who closes locking handgrip 203 can feel that hook spare 205 rides on the bayonet lock when closing the locking handgrip.As a result, this skilled worker will be known that locking handgrip holder has been pushed and put in place.One each skilled worker can also open import cover plate 209 and look towards lock handle case shell the inside and see that hook spare 205 has blocked pin 207.
Shown in Fig. 6 and 12, manual 90 ° of gears case 71 are contained on the aft end face of locking handgrip case shell 141.As a result, only just may be when the locking handgrip is opened near manual 90 ° of gears case.One when the locking handgrip close with each locking hook in place, manual 90 ° of gears case just can not near.As a result, the skilled workers that just can prevent airline company decide cam with each door bolt of hand unlatching when each locking hook is in place.Can prevent from like this to decide to apply on the cam unnecessary deformation and wearing and tearing at each locking hook and each door bolt.In addition, preferably, a torsion file protect 215 is arranged among the linkage between manual 90 ° of gears case 71 and the PDU 61.Preferably, torsion file protect 215 be arranged on 90 ° of gears case be connected in the door bolt decide above the coupling spindle 77 of PDU 61.
As shown in Figure 9, lock the end away from that end that is connected in locking handgrip axle drive shaft 143 of hook axle 151, be connected in an end of the short link rod 153 of PVD by a both arms crank 221 rotationally.The other end of the short link rod 153 of PVD is connected in a bell crank 223 that is arranged on PVD pony axle 155 1 ends rotationally.The other end of PVD pony axle 155 is connected in an end of the long link rod 157 of PVD rotationally by a both arms crank 225.The other end of the long link rod 157 of PVD be connected in rotationally one be arranged on the axle 229 1 end places bell crank 227, on axle 229, adorning ventilation by pressure door (PVD) 83.As a result, when locking handgrip axle drive shaft 143 was rotated with twist-lock hook axle 151, locking hook axle 151 overcame the power that is produced by a torsion spring 231 and rotation pressure ventilator door 83 makes it to close.See Figure 15.
According to the present invention, to open in order to prevent under the situation of improbable water landing PVD 83, the interlocking of setting up a kind of PVD of preventing 83 unlatchings between the outer end of locking handgrip 203 and PVD 83 is connected.Say that more specifically shown in Figure 13 and 14, the inside face of locking handgrip 203 supports a needle bearing 233.When the locking handgrip is closed, an end of needle bearing 233 collisions one interlock cam bar.Interlock cam bar 235 has a two-way bending shape and is connected in axle 214, and the sleeve 212 that the lock handle door bolt is decided mechanism is housed on this.In the outside that the lock folding is decided handgrip case shell 141, on the axle 214 a both arms crank slot 236 is housed.Bell crank 236 is connected in an end of a link rod 237.As shown in Figure 9, the other end of link rod 237 is connected in the bell crank 239 that is contained on a PVD interlocking shaft 241 1 ends rotationally.As shown in figure 15, a ditching interlock system 243 is housed on the other end of PVD interlocking shaft 241.Ditching interlock system 243 is armed levers, can be turned to an interlocking position, so that when the locking handgrip was closed on the interlocking position, the ditching interlock system can prevent that ventilation by pressure door 83 from opening that fearness is more extremely limited gap.
Will be understood that from the above description, the invention provides a kind of latch-lock mechanism that is ideally suited for aircraft large cargo hold door.This latch-lock mechanism improves to some extent than the latch-lock mechanism described in " 201 " patent in many aspects.Each straight-through door bolt that use is made of a plurality of shaft parts is decided axle drive shaft and is had many above-mentioned advantages.Comprise a kind of can by the observable locking hook of each eyesight make a skilled worker can determine cargo door before taking off be fasten with a bolt or latch fully fixed and locking.Could can prevent from when each locking hook is in place, to do not cardiac M/C near manual 90 ° of gears case via locking handgrip case shell.Comprise that in locking handgrip connecting device a torsion file protect can prevent to apply excessive strength via the locking handgrip to each locking hook.Equally, in the manual transmission chain, comprise an excessive application of force when torsion file protect can prevent to use portable power tool, otherwise can damage or ruin the engaging and disengaging gear that the ring door bolt is decided PDU.Other various benefits of the present invention and advantage can be readily appreciated that from the above description.
Though present most preferred embodiment of the present invention has been done diagram and explanation, should be appreciated that within the scope of appended every claim, can make various changes and does not depart from spirit of the present invention.
Claims (14)
1, a kind of latch-lock mechanism that is used for a load carrying airplane cargo doors comprises: a plurality of door bolts of closing the edge setting along cargo door are decided cam; A plurality of along the cargo door gateway close the edge setting, be aligned with each door bolt and decide the door bolt rationed marketing of cam; One is contained in the Power Drive Unit (PDU) on the cargo door, be used for not fastening with a bolt or latch and rotate each door bolt between an allocation and the door bolt allocation and decide cam one, do not state each door bolt and decide the unlatching that cam does not stop described cargo door fastening the allocation place with a bolt or latch, decide that cam engagement is described respectively fastens rationed marketing with a bolt or latch and stop described unlatching and state each door bolt in door bolt allocation place; One is used for PDU is connected in first mechanical coupling that each door bolt is decided cam; Be associated with described a plurality of door bolt and decide a plurality of locking parts of cam and door bolt rationed marketing; One is used for moving the locking handgrip of described a plurality of locking parts between a latched position and a unlocked position; And one be used for the locking handgrip is connected in second mechanical coupling of a plurality of locking parts; The improvement of this latch-lock mechanism comprises:
Described first mechanical coupling comprises and is contained in each the straight-through axle drive shaft that extends outwardly into the cargo door both sides on the described cargo door and from the PDU both sides; And
The described part that respectively locks comprises and respectively locks hook, is provided with and constructs to such an extent that the described hook that respectively locks can not move to a latched position, is in it and fastens allocation with a bolt or latch unless described each door bolt decide cam.
2, according to the described latch-lock mechanism of claim 1, comprise being arranged on close described each eyesight that respectively locks hook on the described cargo door decide whether cam is in its door bolt allocation and whether the described hook that respectively locks is in its latched position so that a skilled worker can conclude described each door bolt.
3, according to the described latch-lock mechanism of claim 2, wherein, described latch-lock mechanism comprise one be contained on the described cargo door, having one can be from the locking handgrip case shell in approaching aperture, described cargo door outside, and the size of described locking handgrip and position are fixed as can to seal described aperture, described locking handgrip is contained on the described locking handgrip case shell rotationally, so that at described locking handgrip described respectively the locking outwards turned to the open position when hook moves to described unlocked position.
4, according to the described latch-lock mechanism of claim 3, comprise manual 90 ° of gears case, be contained on the described locking handgrip case shell, so that only when described locking handgrip is outwards turned to described open position, just can get at, described first mechanical coupling is connected in described PDU to described manual 90 ° of gears case, so that described manual 90 ° of gears case can be in order to rotate described each straight-through axle drive shaft.
5, according to the described latch-lock mechanism of claim 4, comprise a torsion file protect, be positioned at described manual 90 ° of gears case are connected among the described mechanical coupling part of described PDU.
6,, comprise being used for described locking handgrip door bolt is fixed on the catch mechanism of an off position, so that need a pulling strength that described locking handgrip is outwards turned to described open position according to the described latch-lock mechanism of claim 5.
7, according to the described latch-lock mechanism of claim 6, wherein, describedly respectively fasten rationed marketing with a bolt or latch and support, and the described hook that respectively locks is clamped in described each door bolt and decide between cam and the described door bolt rationed marketing supporting structure, describedly respectively fasten described respectively door bolt the with a bolt or latch of rationed marketing slippage from the side with a bolt or latch and decide cam so that prevent by a supporting structure.
8, according to the described latch-lock mechanism of claim 7, wherein, each decides the end that cam is arranged on each minor axis to adjacent door bolt, and described each minor axis is contained in the outside of a center shaft.
9, according to the described latch-lock mechanism of claim 8, wherein, described first mechanical coupling comprises and is used for respectively driving link rod to what described each straight-through axle drive shaft was connected in that described each door bolt decides cam, and described improvement comprises that one is provided with to such an extent that can place restrictions on the described auxiliary excess of stroke hill holder that respectively drives the motion of link rod.
10, according to the described latch-lock mechanism of claim 9, wherein, described airplane cargo doors has improved a kind of ventilation by pressure door, and described improvements comprise an interlock system, can prevent that described ventilation by pressure door from not opening when described locking handgrip is not in described open position.
11, according to the described latch-lock mechanism of claim 2, comprise a catch mechanism, be used for described locking handgrip door bolt is fixed on an off position, so that need a pulling strength that described locking handgrip is outwards rotated to reach described open position.
12, according to the described latch-lock mechanism of claim 2, wherein, describedly respectively fasten rationed marketing with a bolt or latch and support, and the described hook that respectively locks is clamped in described each door bolt and decide between cam and the described door bolt rationed marketing supporting structure, describedly respectively fasten described respectively door bolt the with a bolt or latch of rationed marketing slippage from the side with a bolt or latch and decide cam so that prevent by a supporting structure.
13, according to the described latch-lock mechanism of claim 2, wherein, each decides the end that cam is arranged on each minor axis to adjacent door bolt, and described each minor axis is contained in the outside of a center shaft.
14, according to the described latch-lock mechanism of claim 2, wherein, described first mechanical coupling comprises and is used for respectively driving link rod to what described each straight-through axle drive shaft was connected in that described each door bolt decides cam, and described improvement comprises an auxiliary excess of stroke hill holder, is provided with to such an extent that can place restrictions on the described motion that respectively drives link rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96111766A CN1082003C (en) | 1996-08-30 | 1996-08-30 | Latch-lock mechanism for load carrying airplane cargo doors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96111766A CN1082003C (en) | 1996-08-30 | 1996-08-30 | Latch-lock mechanism for load carrying airplane cargo doors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1175537A true CN1175537A (en) | 1998-03-11 |
| CN1082003C CN1082003C (en) | 2002-04-03 |
Family
ID=5121249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96111766A Expired - Lifetime CN1082003C (en) | 1996-08-30 | 1996-08-30 | Latch-lock mechanism for load carrying airplane cargo doors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1082003C (en) |
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| CN101522519B (en) * | 2006-10-04 | 2012-05-23 | 空中客车英国运营有限责任公司 | A door for opening and closing a door aperture in an aircraft |
| CN101848836B (en) * | 2007-11-07 | 2014-02-12 | 空中客车运作有限责任公司 | Locking mechanism for cargo door in aircraft |
| CN103603555A (en) * | 2013-08-23 | 2014-02-26 | 中国航空工业集团公司西安飞机设计研究所 | Cabin door lock |
| CN103883183A (en) * | 2012-12-21 | 2014-06-25 | 中国直升机设计研究所 | Embedded-type latch mechanism and helicopter hatch door |
| CN104527980A (en) * | 2014-12-15 | 2015-04-22 | 青岛欧森系统技术有限公司 | Transportation throwing mechanism of unmanned helicopter |
| CN104838165A (en) * | 2012-10-18 | 2015-08-12 | 拉蒂尔菲雅克公司 | Device for assisting the operation of an aircraft door |
| CN105064841B (en) * | 2015-07-30 | 2016-09-07 | 中航沈飞民用飞机有限责任公司 | A kind of torsion-beam-type passenger plane hatch door opens drive mechanism |
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| CN107724823A (en) * | 2017-11-21 | 2018-02-23 | 江苏美龙航空部件有限公司 | A kind of lid locking devicen and a kind of lid |
| CN110359799A (en) * | 2018-07-20 | 2019-10-22 | 中航沈飞民用飞机有限责任公司 | A kind of passenger plane hatch door hoisting mechanism |
| CN110359780A (en) * | 2018-12-02 | 2019-10-22 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of canopy unlock and folded over driving switching device and the aircraft with it |
| CN111287583A (en) * | 2018-12-07 | 2020-06-16 | 庞巴迪公司 | System for latching and locking an aircraft door |
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| DE102006056442B4 (en) * | 2006-11-28 | 2010-10-28 | Eurocopter Deutschland Gmbh | Door lock for doors of aircraft, in particular helicopters |
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| EP0124521B1 (en) * | 1982-10-29 | 1988-03-30 | The Boeing Company | Canopy-type aircraft cargo door |
| US4473201A (en) * | 1982-10-29 | 1984-09-25 | The Boeing Company | Canopy-type aircraft cargo door and actuating mechanisms |
| DE3539480A1 (en) * | 1985-11-07 | 1987-05-14 | Messerschmitt Boelkow Blohm | OPERATING DEVICE FOR A FREIGHT LOADING GATE |
| DE9017146U1 (en) * | 1990-12-19 | 1991-03-14 | BSH Bosch und Siemens Hausgeräte GmbH, 81669 München | Locking device for a door arranged on a box-like container |
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| CN101522519B (en) * | 2006-10-04 | 2012-05-23 | 空中客车英国运营有限责任公司 | A door for opening and closing a door aperture in an aircraft |
| CN101848836B (en) * | 2007-11-07 | 2014-02-12 | 空中客车运作有限责任公司 | Locking mechanism for cargo door in aircraft |
| CN104838165A (en) * | 2012-10-18 | 2015-08-12 | 拉蒂尔菲雅克公司 | Device for assisting the operation of an aircraft door |
| CN104838165B (en) * | 2012-10-18 | 2019-02-05 | 拉蒂尔菲雅克公司 | Aircraft door operation support device |
| CN103883183A (en) * | 2012-12-21 | 2014-06-25 | 中国直升机设计研究所 | Embedded-type latch mechanism and helicopter hatch door |
| CN103883183B (en) * | 2012-12-21 | 2016-08-10 | 中国直升机设计研究所 | A kind of built-in bolt mechanism and helicopter hatch door |
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| CN103603555B (en) * | 2013-08-23 | 2016-08-10 | 中国航空工业集团公司西安飞机设计研究所 | A kind of cabin door lock |
| CN104527980A (en) * | 2014-12-15 | 2015-04-22 | 青岛欧森系统技术有限公司 | Transportation throwing mechanism of unmanned helicopter |
| CN105064841B (en) * | 2015-07-30 | 2016-09-07 | 中航沈飞民用飞机有限责任公司 | A kind of torsion-beam-type passenger plane hatch door opens drive mechanism |
| CN107672812B (en) * | 2016-08-02 | 2022-09-16 | 松下航空电子公司 | Quick release mounting system for removably attaching a panel instrument to a structure |
| CN107672812A (en) * | 2016-08-02 | 2018-02-09 | 松下航空电子公司 | For panel instrument to be removably attachable to the quick release installation system of structure |
| CN106314756B (en) * | 2016-08-30 | 2018-10-16 | 中航沈飞民用飞机有限责任公司 | A kind of promotion locking mechanism of civil aircraft hatch door locking Handle axis |
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| CN110359780A (en) * | 2018-12-02 | 2019-10-22 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of canopy unlock and folded over driving switching device and the aircraft with it |
| CN110359780B (en) * | 2018-12-02 | 2021-02-05 | 中国航空工业集团公司沈阳飞机设计研究所 | Canopy unblock and fold and turn over drive switching device and have its aircraft |
| CN111287583A (en) * | 2018-12-07 | 2020-06-16 | 庞巴迪公司 | System for latching and locking an aircraft door |
| CN111434577A (en) * | 2019-01-14 | 2020-07-21 | 波音公司 | Aircraft with hingeable aircraft door |
| CN114348233A (en) * | 2021-12-17 | 2022-04-15 | 江西洪都航空工业集团有限责任公司 | Aircraft cabin locking device |
| CN114348233B (en) * | 2021-12-17 | 2023-08-11 | 江西洪都航空工业集团有限责任公司 | Aircraft cabin lock device |
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| CN1082003C (en) | 2002-04-03 |
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