CN103192330A - Maintaining clamp for jet braking C duct of civil aviation passenger plane - Google Patents
Maintaining clamp for jet braking C duct of civil aviation passenger plane Download PDFInfo
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- CN103192330A CN103192330A CN2013100979811A CN201310097981A CN103192330A CN 103192330 A CN103192330 A CN 103192330A CN 2013100979811 A CN2013100979811 A CN 2013100979811A CN 201310097981 A CN201310097981 A CN 201310097981A CN 103192330 A CN103192330 A CN 103192330A
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Abstract
The invention discloses a maintaining clamp for jet braking C duct of a civil aviation passenger plane. The clamp comprises a horizontal tray, a support track arranged on the tray, at least three locking clamps arranged on the tray, at least three columns and upper locking clamps correspondingly located on the columns. The support track is circular and is matched with the shape of a torsion box V-shaped groove of the jet braking C duct to support the torsion box V-shaped groove on the top face of the support track. The columns are located on the periphery of the support track and distributed along the circle to form a working space in enclosing mode used for vertically placing the jet braking C duct. A clamp opening of the upper locking clamp faces downwards and is used for clamping the back end of the noise reduction inner wall of the jet braking C duct, and a clamping opening of the lower locking clamp faces upwards and is used for clamping the front end of the noise reduction outer wall of the jet braking C duct to fix the jet braking C duct. By means of the maintaining clamp, the jet braking C duct can be well fixed to be maintained. The clamp prevents parts of the jet braking C duct from being deformed and cannot affect plane aerodynamics performance of the jet braking C duct.
Description
Technical field
The invention belongs to the aircraft maintenance technical field, relate in particular to the fixing jig of the anti-C of the pushing away duct of a kind of airline carriers of passengers, be specially adapted to the anti-C of the pushing away duct of 737 type airline carriers of passengers is overhauled.
Background technology
The anti-pushing system of airline carriers of passengers is for changing engine blower discharge directions (forward) producing propulsive thrust, helps to lower the speed of aircraft when the normal landing of aircraft or emergency are aborted.As shown in Figure 1, the anti-pushing system of 737 type airline carriers of passengers mainly is made up of translation cover (not drawing among the figure) and the anti-C of pushing away duct, the translation cover detachably is installed on the anti-C of the pushing away duct, the anti-C of pushing away duct comprises retainer ring 4 behind the noise reduction inwall 1 of semi-barrel shape, the preceding torsion box 2 that is positioned at noise reduction inwall 1 outside, leaf grating 3, the leaf grating, go up and hang with guide rail beam 5, hang down and guide rail beam 6, wherein, the noise reduction inwall has acoustic characteristic, can reduce the noise of engine.
The anti-C of pushing away duct belongs to the secondary structure of aircaft configuration, secondary structure only bears on the secondary structure surface or the inner pneumatic or inertial load that produces, it is extremely important for the aerodynamic performance of aircraft, therefore, in a single day the parts of the anti-C of pushing away duct deform and can the aerodynamic performance of aircraft be produced a very large impact.And when needs decompose, repair the anti-C of pushing away duct or assemble, because parts mainly are to be made by aluminium or composite, if no special fixture fixedly is easy to cause the distortion of counter each parts of the C of pushing away duct to it.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, practical, can fix the anti-C of pushing away duct and deform, guarantee the fixing jig of the anti-C of the pushing away duct of airline carriers of passengers of the anti-C of pushing away duct operate as normal to avoid in revision each parts, can fix the anti-C of pushing away duct preferably so as to its decompose, repairing and assembling etc. overhaul operation and can not influence the aircraft aerodynamics performance.
Purpose of the present invention realizes by following technical measures: the fixing jig of the anti-C of the pushing away duct of a kind of airline carriers of passengers, it is characterized in that: it comprises the pallet of level, be arranged on the supporting track on the pallet, at least three following locking folders of being located on the pallet, at least three columns and correspondingly be positioned at locking on each column and grip, described supporting track is curved and adapt that with the shape of the torsion box V-shaped groove of the anti-C of pushing away duct torsion box V-shaped groove is supported on the end face of supporting track, described column is positioned at the peripheral of supporting track and is encircled into working space for the vertical anti-C of the pushing away duct of placement along its circle distribution, the described folder mouth that grips of locking is towards the noise reduction rear inner wall that is used for the anti-C of the pushing away duct of clamping down, and the folder mouth of the described folder of locking down is used for the noise reduction inwall front end of the anti-C of the pushing away duct of clamping up with the fixing anti-C duct that pushes away.
The present invention can with the anti-C of pushing away duct preferably fixing in case to its decompose, repairing and assembling etc. overhaul operation, avoided the anti-C of pushing away duct each parts in revision to deform, make revision can not influence the aircraft aerodynamics performance of the anti-C of pushing away duct, guaranteed that the anti-C of pushing away duct can operate as normal, in addition, composition of the present invention is relatively simple for structure, and the concrete structure of considering the anti-C of pushing away duct is designed corresponding upper and lower locking folder and supporting track, practical, be specially adapted to the anti-C of the pushing away duct of 737 type airline carriers of passengers is overhauled.
For can to counter push away the C duct on, under the hanging point of hanging oneself from a beam fix with the further firm whole anti-C of pushing away duct, as a kind of improvement of the present invention, wherein two columns arrange the position correspond respectively to the anti-C of pushing away duct on, lower guide rail beam, be respectively equipped with suspender and be positioned at the below that locking on the same column gripped on these two columns, described suspender arrange position and the anti-C of pushing away duct on, hang oneself from a beam the down position of hanging point is corresponding, described suspender lateral extensometer is to described working space, the through hole that has up/down perforation on the external part of described suspender, this through hole and last, under hang oneself from a beam hanging point suitable so that on, under the hanging point of hanging oneself from a beam be inserted in the through hole.
As one embodiment of the present invention, described lock to grip comprise chuck and mounting bracket, described mounting bracket is made up of with the mount pad on the inserting end of being located at rod member lateral extensometer to the rod member in the described working space, described mount pad is block, described chuck is arranged on the end face of described mount pad, described chuck is by operating grip and dop is hinged forms, the rear portion of described dop is fixed on the mount pad, the front portion of dop be the medial surface of hook shape and mount pad relative and the two between form folder mouthful, the noise reduction rear inner wall of locking or unclamping the anti-C of pushing away duct with adjustable clamp mouth size by the pressing operation handle.
As a further improvement on the present invention, the dop of described chuck is provided with adjusting screw(rod), the head of described adjusting screw(rod) is over against the medial surface of described mount pad, be the described gap that forms between the medial surface of mouthful head that is adjusting screw(rod) and mount pad that presss from both sides, by the turn adjusting screw(rod) a folder mouthful size finely tuned.
The present invention can also do following improvement, and the inserting end of the rod member of described mounting bracket laterally bends, and the end face of the inserting end of this rod member is the inclined plane, and this inclined plane is attached on the outside wall surface of noise reduction inwall grips the noise reduction inwall of the anti-C of the pushing away duct of locking so that lock.
As a kind of preferred embodiment of the present invention, the suspender of going up the overarm hanging point that is used for the anti-C of the pushing away duct of plug-in mounting is the single hole suspender, described single hole suspender mainly is made up of single hole cantilever and the holder that is installed on the column, described holder is the block of the mounting groove that connects about having, the notch of described mounting groove outwardly, one end of single hole cantilever is positioned at this mounting groove, other end lateral extensometer is bent into bending segment to working space and towards the direction that deviates from notch, described through hole be one and be positioned at bending segment the end in case will the anti-C of pushing away duct go up the through hole that the overarm hanging point is inserted into the single hole cantilever.
As one embodiment of the present invention, the suspender that is used for the following overarm hanging point of the anti-C of the pushing away duct of plug-in mounting is the diplopore suspender, described diplopore suspender mainly is made up of diplopore cantilever and the holder that is installed on the column, described holder is the block of the mounting groove that connects about having, the notch of described mounting groove outwardly, one end of diplopore cantilever is positioned at the mounting groove of diplopore suspender, other end lateral extensometer is to working space, this end is provided with described through hole, the through hole of diplopore suspender so that following overarm hanging point that will the anti-C of pushing away duct is inserted in the through hole of diplopore cantilever, has further guaranteed the spatial form of the anti-C of pushing away duct and the distortion that pre-counnter attack pushes away the C duct for corresponding up and down diplopore.
Preferably, described diplopore suspender is at least four, and described single hole suspender is at least two.
As a kind of optimal way of the present invention, the described folder of locking down mainly is made up of pillar and the locking arm of force, the upper inner face of described pillar is the cascaded surface that sinks towards the top, the described locking arm of force is formed by the connecting portion of lower end with towards the hook part of the cascaded surface bending of pillar, connecting portion is hinged on to make between hook part and the cascaded surface on the two sides, middle part of described pillar and forms the gap, be provided with in described hook part and pass this gap and stretch into adjusting screw(rod) in the pillar, described gap is positioned at the above part of adjusting screw(rod) and is described folder mouth, by screwing in or screw out the noise reduction inwall front end that adjusting screw(rod) adjustable clamp mouth size realizes clamping or unclamps the anti-C of pushing away duct.
Have enough strength and stiffness in order to ensure whole frock, the present invention can do following improvement, be provided with the connecting rod of level between the top of described column, described connecting rod connects adjacent column, the connecting portion of described connecting rod and column is provided with the pole of level, one end of pole is fixed on described connecting portion, and the other end stretches out and is fixed together and pallet is common constitutes leg-of-mutton space framework to working space.
Compared with prior art, the present invention has following significant effect:
⑴ the present invention can with the anti-C of pushing away duct preferably fixing in case to its decompose, repairing and assembling etc. overhaul operation, avoided the anti-C of pushing away duct each parts in revision to deform, make revision can not influence the aircraft aerodynamics performance of the anti-C of pushing away duct, guaranteed that the anti-C of pushing away duct can operate as normal.
⑵ the leg-of-mutton space framework of the present invention has guaranteed that whole frock has enough strength and stiffness.
⑶ the lock end face of inserting end of the rod member that grips is the inclined plane, and this inclined plane is attached on the outside wall surface of noise reduction inwall grips the noise reduction inwall that can lock the anti-C of pushing away duct better so that lock.
⑷ composition of the present invention is relatively simple for structure, and considers that the concrete structure of the anti-C of pushing away duct designs corresponding upper and lower locking folder and supporting track, and is practical, is specially adapted to the anti-C of the pushing away duct of 737 type airline carriers of passengers is overhauled.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the perspective view of the existing anti-C of the pushing away duct of 737 type airline carriers of passengers;
Fig. 2 is overall structure schematic diagram of the present invention;
Fig. 3 is one of them front view of locking and gripping;
Fig. 4 is the vertical view that Fig. 3 locks and grips;
Fig. 5 is another vertical view of locking and gripping;
Fig. 6 is another vertical view of locking and gripping;
Fig. 7 is the front view of diplopore suspender;
Fig. 8 is the vertical view of Fig. 7 diplopore suspender;
Fig. 9 is the front view of single hole suspender;
Figure 10 is the vertical view of Fig. 9 single hole suspender;
Figure 11 is the front view that locking is down pressed from both sides;
Figure 12 is the vertical view of locking folder under Figure 11.
The specific embodiment
Shown in Fig. 2～12, be the fixing jig of the anti-C of the pushing away duct of a kind of airline carriers of passengers of the present invention, be applicable to the anti-C of the pushing away duct of 737 type airline carriers of passengers is overhauled.It comprises the pallet 1 of level, be arranged on the supporting track 2 on the pallet 1, lock folder 3 down for four that are located on the pallet 1, three columns 4 and correspondingly be positioned at locking on each column and grip 5, supporting track 2 is curved and adapt that with the shape of the torsion box V-shaped groove of the anti-C of pushing away duct torsion box V-shaped groove is supported on the end face of supporting track 2, column 4 is positioned at the peripheral of supporting track 2 and is encircled into working space for the vertical anti-C of the pushing away duct of placement along its circle distribution, be provided with the connecting rod 41 of level between the top of column 4, connecting rod 41 connects adjacent column 4, the connecting portion of connecting rod 41 and column 4 is provided with the pole 42 of level, one end of pole 42 is fixed on connecting portion, the other end stretches out and interconnects and pallet 1 is common constitutes leg-of-mutton space framework to working space, guarantees that whole frock has enough strength and stiffness.Wherein, lock and grip 5 folder mouth towards the noise reduction rear inner wall that is used for the anti-C of the pushing away duct of clamping down, and the folder mouth of locking folder 3 is used for the noise reduction inwall front end of the anti-C of the pushing away duct of clamping up with the fixing anti-C duct that pushes away down.
As Fig. 3, be to be positioned at locking of the right to grip 5 shown in 4, lock and grip 5 and comprise chuck 51 and mounting bracket, mounting bracket is made up of with the mount pad 53 on the inserting end of being located at rod member 52 lateral extensometer to the rod member 52 in the working space, mount pad 53 is block, chuck 51 is arranged on the end face of mount pad 53, chuck 51 is by operating grip 54 and dop 55 hinged forming, the rear portion of dop 55 is fixed on the mount pad, its front portion be the medial surface of hook shape and mount pad 53 relative and the two between form folder mouthful, the noise reduction rear inner wall of locking or unclamping the anti-C of pushing away duct with adjustable clamp mouth size by the pressing operation handle.The dop 55 of chuck 51 is provided with adjusting screw(rod) 58, the head of adjusting screw(rod) 58 is over against the medial surface of mount pad 53, namely press from both sides the gap that forms between the medial surface of mouthful head that is adjusting screw(rod) 58 and mount pad 53, by the turn adjusting screw(rod) a folder mouthful size is finely tuned.The inserting end of the rod member 52 of mounting bracket laterally bends, and the end face of the inserting end of this rod member 52 is inclined planes 56, and this inclined plane 56 is attached on the outside wall surface of noise reduction inwall grips the noise reduction inwall of the anti-C of the pushing away duct of locking so that lock.Shown in Fig. 5,6 be respectively be positioned at the middle part, locking of the left side grip 60.
Wherein two columns arranges the upper and lower guide rail beam that the position corresponds respectively to the anti-C of pushing away duct, be respectively equipped with suspender and be positioned at the below that locking on the same column gripped on these two columns, suspender that the position is set is corresponding with the position of the upper and lower overarm hanging point of the anti-C of pushing away duct, the suspender lateral extensometer is to working space, the through hole that has up/down perforation on the external part of suspender, the suitable so that upper and lower overarm hanging point of this through hole and upper and lower overarm hanging point is inserted in the through hole.The suspender of going up the overarm hanging point that is used for the anti-C of the pushing away duct of plug-in mounting is the single hole suspender, the single hole suspender adopts two 3-1 and 3-2, mainly formed by single hole cantilever 61 and the holder 62 that is installed on the column, holder 62 is blocks of the mounting groove that connects about having, the notch of mounting groove outwardly, one end of single hole cantilever 61 is positioned at this mounting groove, other end lateral extensometer is bent into bending segment to working space and towards the direction that deviates from notch, through hole 7 be one and be positioned at bending segment the end in case will the anti-C of pushing away duct go up the through hole that the overarm hanging point is inserted into the single hole cantilever, referring to Fig. 9,10.The suspender that is used for the following overarm hanging point of the anti-C of the pushing away duct of plug-in mounting is diplopore suspender 8, diplopore suspender 8 adopts four, mainly formed by diplopore cantilever 81 and the holder 82 that is installed on the column, holder 82 is blocks of the mounting groove that connects about having, the notch of mounting groove outwardly, one end of diplopore cantilever 81 is positioned at the mounting groove of diplopore suspender, other end lateral extensometer is to working space, this end is provided with through hole 9, the through hole 9 of diplopore suspender for corresponding up and down diplopore so that following overarm hanging point that will the anti-C of pushing away duct is inserted in the through hole of diplopore cantilever, referring to Fig. 7,8.The spatial form of the anti-C of pushing away duct and the distortion that pre-counnter attack pushes away the C duct have further been guaranteed.
As Figure 11, shown in 12, following locking folder 3 mainly is made up of pillar 31 and the locking arm of force, the upper inner face of pillar is the cascaded surface that sinks towards the top, the locking arm of force is formed by the connecting portion 32 of lower end with towards the hook part 33 of the cascaded surface bending of pillar, connecting portion 32 is hinged on to make between hook part 33 and the cascaded surface on the two sides, middle part of pillar and forms the gap, 33 are provided with and pass this gap and stretch into adjusting screw(rod) 34 in the pillar in the hook part, the gap is positioned at the part of adjusting screw(rod) more than 34 and is folder mouth 10, by screwing in or screw out the noise reduction inwall front ends that adjusting screw(rod) 34 adjustable clamp mouths 10 sizes realize clamping or unclamp the anti-C of pushing away duct.
The course of work of the present invention is: remove the translation cover, suspender outwards opened and unclamp all and lock and grip and descend the locking folder, utilize special hanger and crane will the anti-C of pushing away duct to sling and be inverted that (namely the front end of the anti-C of pushing away duct down, the rear end up, the noise reduction inwall is towards locking folder down), the operation crane is placed in the anti-C of pushing away duct in the working space of the present invention lentamente, after the torsion box V-shaped groove of the anti-C of pushing away duct contacts with supporting track and supports torsion box V-shaped groove by supporting track, respectively suspender is fastened the overarm up and down of the anti-C of pushing away duct again, closed all lock grip and down locking press from both sides, unclamp suspender then and finish clamping.So that to the anti-C of pushing away duct decompose, repairing and assembling etc. overhaul operation, avoided the anti-C of pushing away duct each parts in revision to deform, make revision can not influence the aircraft aerodynamics performance of the anti-C of pushing away duct, guaranteed that the anti-C of pushing away duct can operate as normal.
Embodiments of the present invention are not limited thereto; according to foregoing of the present invention; ordinary skill knowledge and customary means according to this area; the concrete structure of upper and lower locking folder of the present invention and suspender etc. can also be made modification, replacement or the change of other various ways, all drops within the rights protection scope of the present invention.
Claims (10)
1. anti-fixing jig that pushes away the C duct of airline carriers of passengers, it is characterized in that: it comprises the pallet of level, be arranged on the supporting track on the pallet, at least three following locking folders of being located on the pallet, at least three columns and correspondingly be positioned at locking on each column and grip, described supporting track is curved and adapt that with the shape of the torsion box V-shaped groove of the anti-C of pushing away duct torsion box V-shaped groove is supported on the end face of supporting track, described column is positioned at the peripheral of supporting track and is encircled into working space for the vertical anti-C of the pushing away duct of placement along its circle distribution, the described folder mouth that grips of locking is towards the noise reduction rear inner wall that is used for the anti-C of the pushing away duct of clamping down, and the folder mouth of the described folder of locking down is used for the noise reduction inwall front end of the anti-C of the pushing away duct of clamping up with the fixing anti-C duct that pushes away.
2. the anti-fixing jig that pushes away the C duct of airline carriers of passengers according to claim 1, it is characterized in that: wherein two columns arrange the position correspond respectively to the anti-C of pushing away duct on, lower guide rail beam, be respectively equipped with suspender and be positioned at the below that locking on the same column gripped on these two columns, described suspender arrange position and the anti-C of pushing away duct on, hang oneself from a beam the down position of hanging point is corresponding, described suspender lateral extensometer is to described working space, the through hole that has up/down perforation on the external part of described suspender, this through hole and last, under hang oneself from a beam hanging point suitable so that on, under the hanging point of hanging oneself from a beam be inserted in the through hole.
3. the anti-fixing jig that pushes away the C duct of airline carriers of passengers according to claim 2, it is characterized in that: described lock to grip comprise chuck and mounting bracket, described mounting bracket is made up of with the mount pad on the inserting end of being located at rod member lateral extensometer to the rod member in the described working space, described mount pad is block, described chuck is arranged on the end face of described mount pad, described chuck is by operating grip and dop is hinged forms, the rear portion of described dop is fixed on the mount pad, the front portion of dop be the medial surface of hook shape and mount pad relative and the two between form folder mouthful, the noise reduction rear inner wall of locking or unclamping the anti-C of pushing away duct with adjustable clamp mouth size by the pressing operation handle.
4. the anti-fixing jig that pushes away the C duct of airline carriers of passengers according to claim 3, it is characterized in that: the dop of described chuck is provided with adjusting screw(rod), the head of described adjusting screw(rod) is over against the medial surface of described mount pad, be the described gap that forms between the medial surface of mouthful head that is adjusting screw(rod) and mount pad that presss from both sides, by the turn adjusting screw(rod) a folder mouthful size finely tuned.
5. the anti-fixing jig that pushes away the C duct of airline carriers of passengers according to claim 4, it is characterized in that: the inserting end of the rod member of described mounting bracket laterally bends, and the end face of the inserting end of this rod member is the inclined plane, so that this inclined plane is attached on the outside wall surface of noise reduction inwall when locking the noise reduction inwall that grips the anti-C of the pushing away duct of locking.
6. the anti-fixing jig that pushes away the C duct of airline carriers of passengers according to claim 5, it is characterized in that: the suspender of going up the overarm hanging point that is used for the anti-C of the pushing away duct of plug-in mounting is the single hole suspender, described single hole suspender mainly is made up of single hole cantilever and the holder that is installed on the column, described holder is the block of the mounting groove that connects about having, the notch of described mounting groove outwardly, one end of single hole cantilever is positioned at this mounting groove, other end lateral extensometer is bent into bending segment to working space and towards the direction that deviates from notch, described through hole be one and be positioned at bending segment the end in case will the anti-C of pushing away duct go up the through hole that the overarm hanging point is inserted into the single hole cantilever.
7. the anti-fixing jig that pushes away the C duct of airline carriers of passengers according to claim 6, it is characterized in that: the suspender that is used for the following overarm hanging point of the anti-C of the pushing away duct of plug-in mounting is the diplopore suspender, described diplopore suspender mainly is made up of diplopore cantilever and the holder that is installed on the column, described holder is the block of the mounting groove that connects about having, the notch of described mounting groove outwardly, one end of diplopore cantilever is positioned at the mounting groove of diplopore suspender, other end lateral extensometer is to working space, this end is provided with described through hole, the through hole of diplopore suspender for corresponding up and down diplopore so that following overarm hanging point that will the anti-C of pushing away duct is inserted in the through hole of diplopore cantilever.
8. the anti-fixing jig that pushes away the C duct of airline carriers of passengers according to claim 7, it is characterized in that: described diplopore suspender is at least four, and described single hole suspender is at least two.
9. according to the anti-fixing jig that pushes away the C duct of each described airline carriers of passengers of claim 1～8, it is characterized in that: the described folder of locking down mainly is made up of pillar and the locking arm of force, the upper inner face of described pillar is the cascaded surface that sinks towards the top, the described locking arm of force is formed by the connecting portion of lower end with towards the hook part of the cascaded surface bending of pillar, connecting portion is hinged on to make between hook part and the cascaded surface on the two sides, middle part of described pillar and forms the gap, be provided with in described hook part and pass this gap and stretch into adjusting screw(rod) in the pillar, described gap is positioned at the above part of adjusting screw(rod) and is described folder mouth, by screwing in or screw out the noise reduction inwall front end that adjusting screw(rod) adjustable clamp mouth size realizes clamping or unclamps the anti-C of pushing away duct.
10. the anti-fixing jig that pushes away the C duct of airline carriers of passengers according to claim 9, it is characterized in that: the connecting rod that is provided with level between the top of described column, described connecting rod connects adjacent column, the connecting portion of described connecting rod and column is provided with the pole of level, one end of pole is fixed on described connecting portion, and the other end stretches out and interconnects and pallet is common constitutes leg-of-mutton space framework to working space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097981.1A CN103192330B (en) | 2013-03-25 | 2013-03-25 | Maintaining clamp for jet braking C duct of civil aviation passenger plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097981.1A CN103192330B (en) | 2013-03-25 | 2013-03-25 | Maintaining clamp for jet braking C duct of civil aviation passenger plane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103192330A true CN103192330A (en) | 2013-07-10 |
| CN103192330B CN103192330B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310097981.1A Active CN103192330B (en) | 2013-03-25 | 2013-03-25 | Maintaining clamp for jet braking C duct of civil aviation passenger plane |
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| Country | Link |
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| CN (1) | CN103192330B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107100914A (en) * | 2017-05-02 | 2017-08-29 | 广州飞机维修工程有限公司 | A kind of airline carriers of passengers is counter to push away hydraulic actuation system testboard |
| CN111703586A (en) * | 2020-05-11 | 2020-09-25 | 中国南方航空股份有限公司 | Method for replacing reverse thrust C duct sliding rail structure of V2500 engine |
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|---|---|---|---|---|
| CN107100914A (en) * | 2017-05-02 | 2017-08-29 | 广州飞机维修工程有限公司 | A kind of airline carriers of passengers is counter to push away hydraulic actuation system testboard |
| CN111703586A (en) * | 2020-05-11 | 2020-09-25 | 中国南方航空股份有限公司 | Method for replacing reverse thrust C duct sliding rail structure of V2500 engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103192330B (en) | 2014-11-05 |
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