CN215922593U

CN215922593U - Telescopic folding bracket for aircraft air inlet maintenance

Info

Publication number: CN215922593U
Application number: CN202122391145.7U
Authority: CN
Inventors: 卢刚; 朱亮; 李崇; 黄宇
Original assignee: Aircraft Maintenance And Engineering Corp
Current assignee: Aircraft Maintenance And Engineering Corp
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-01
Anticipated expiration: 2031-09-30

Abstract

The retractable folding bracket comprises a bottom plate assembly, a connecting rod, a plurality of drawing rods and a traction rod, wherein the bottom plate assembly comprises a disc-shaped bottom plate, a plurality of mounting seats are arranged at the periphery of the bottom plate at intervals, the connecting rods are detachably and correspondingly connected to the mounting seats, the drawing rods are also detachably and telescopically connected to the connecting rods respectively to form a plurality of groups of supporting assemblies, the traction rod is arranged at the tail end of one drawing rod, the bottom of each mounting seat is fixedly provided with a universal moving wheel through a mounting plate, and the bottom of the outer end of each drawing rod is fixedly provided with a universal wheel through a caster mounting plate; therefore, the telescopic folding type air inlet device has the advantages of simple structure, convenience in operation, portability, strong universality and telescopic folding function, is suitable for most air inlet channels of narrow-body machines and wide-body machines, and can greatly save the storage space of equipment.

Description

Telescopic folding bracket for aircraft air inlet maintenance

Technical Field

The utility model relates to the technical field of aircraft accessory maintenance, in particular to a telescopic folding bracket for aircraft air inlet maintenance.

Background

Air intakes have for a long time not been provided with special universal brackets, most of which are placed on plastic trays, very heavy sponge board carts or non-telescopically collapsible welded brackets after the air intake has been removed. Such trays and trays not only are inconvenient to move and occupy a large space for storage, but also have a great influence on component inspection and repair work.

Therefore, in view of the above-mentioned drawbacks, the designer of the present invention, through careful research and design, integrates experience and results of related industries for many years, and researches and designs a retractable folding bracket for aircraft air inlet maintenance, which is used for storage, transportation and maintenance work after the air inlet is detached and during warehouse maintenance, and can effectively meet actual production requirements and personnel operability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a telescopic folding bracket for maintaining an aircraft air inlet, which has the advantages of simple structure, convenient operation, more portability, strong universality and telescopic folding function, is suitable for most air inlets of narrow-body machines and wide-body machines, and can greatly save the storage space of equipment.

In order to achieve the purpose, the utility model discloses a telescopic folding bracket for maintaining an aircraft air inlet, which comprises a bottom plate assembly, a connecting rod, a drawing rod and a draw rod, and is characterized in that:

the bottom plate subassembly contains discoid bottom plate, the periphery interval of bottom plate is equipped with a plurality of mount pads, the connecting rod corresponds for a plurality of and one end detachable and is connected to the mount pad, take out the pole also be a plurality of respectively and can dismantle and the telescopic is connected to the connecting rod to form multiunit supporting component, the traction lever sets up in the end of one of them pole of taking out, and the bottom of each mount pad is passed through the fixed universal motion wheel that is equipped with of mounting panel, and the outer end bottom of each pole of taking out is through the fixed universal wheel that is equipped with of truckle mounting panel.

Wherein: the mount pad contains two aluminium system rectangle tubular products, the space holding connecting rod between two rectangle tubular products, it contains the long tube that is located the connecting rod both sides to take out the pole, and the outer end of two long tubes is connected through the connecting plate, and the terminal surface connecting plate is installed to the inner to the both sides face of connecting rod is equipped with the draw-in groove, and the medial surface of two long tubes is equipped with the arch that corresponds the draw-in groove in order to realize flexible function.

Wherein: the one end of connecting rod is equipped with the installation pinhole and supplies a round pin axle to run through fixedly, the mount pad is equipped with the horizontal pinhole that corresponds connecting rod horizontal position respectively and the perpendicular pinhole of vertical position, the round pin axle runs through horizontal pinhole and perpendicular pinhole and installation pinhole respectively with sell the relative position between solid connecting rod and mount pad respectively in two positions, all is equipped with the bolt for each supporting component, the pole of connecting rod is epaxial interval and is equipped with a plurality of location pinholes, the one end of taking out the pole is equipped with fixed pinhole, the bolt runs through fixed pinhole and wherein a locating hole comes to take out pole and connecting rod to fix a position fixedly.

Wherein: the bolt is also connected with one end of a steel cable component, and the other end of the steel cable component is fixed on the drawing rod.

Wherein: the upper surface of the pull rod is provided with an anti-collision strip, and the outer end of the pull rod is provided with a U-shaped handle so as to be convenient to operate.

Wherein: the upper surface of bottom plate is equipped with anticollision board, the upper surface of mount pad is equipped with anticollision piece.

Wherein: the anti-collision strip, the anti-collision plate and the anti-collision strip are made of rubber to provide a buffering anti-collision effect.

Wherein: the upper end of the caster wheel mounting plate is rotatably fixed to the bottom of the outer end of the pull rod, and the lower end of the caster wheel mounting plate forms a U-shaped mounting groove for fixing the universal wheel.

Wherein: the upper end of the mounting plate is rotatably fixed to the bottom of the mounting seat, and the lower end of the mounting plate forms a U-shaped mounting groove for fixing the universal moving wheel.

Wherein: the bottom plate, the connecting rods and the pulling rods are made of aluminum alloy, and the number of the supporting assemblies is 5.

As can be seen from the above, the retractable foldable bracket for aircraft air inlet maintenance of the present invention has the following effects:

1. compared with the design of an early air inlet storage plate or bracket, the air inlet storage plate is lighter, has strong universality and can be folded in a telescopic way, not only can be suitable for most air inlets of narrow-body machines and wide-body machines, but also can greatly save the storage space of equipment;

2. the maintenance constructability is enhanced, the working efficiency is improved, and the space between the support and the chassis assembly can be completely close to the whole area of the air inlet channel, so that the maintenance is free from interference and dead angles.

The details of the present invention can be obtained from the following description and the attached drawings.

Drawings

Fig. 1 shows a schematic structural view of a retractable and foldable bracket for aircraft air inlet maintenance according to the present invention.

Fig. 2 shows a schematic structural view of the floor panel assembly of the present invention.

Reference numerals:

1. a base plate assembly; 2. a connecting rod; 3. drawing a rod; 4. an anti-collision strip; 5. a hexagon socket head cap screw; 7. a universal wheel; 8. a caster mounting plate; 12. an end face connecting plate; 13. a socket head cap screw; 14. flat sealing the groove strip; 15. a channel bar connecting piece; 18. a pin shaft; 20. a bolt; 22. a wire rope assembly; 23. a connecting plate; 24. a handle; 25. a socket head cap screw; 28. a draw bar mounting base; 29. a draw bar; 35. a base plate; 36. an anti-collision plate; 37. a mounting seat; 38. a connecting screw; 40. a set screw; 41. an anti-collision member; 42. a universal motion wheel; 43. and (7) mounting the plate.

Detailed Description

Referring to fig. 1 and 2, there is shown a telescopically collapsible bracket for aircraft air scoop maintenance of the present invention.

Scalable folding bracket of aircraft intake duct maintenance usefulness includes bottom plate subassembly 1, connecting rod 2, takes out pole 3 and traction lever 29, bottom plate subassembly 1 contains discoid bottom plate 35, the periphery interval of bottom plate 35 is equipped with a plurality of mount pads 37, connecting rod 2 is a plurality of and one end detachable is connected to mount pad 37 respectively, take out pole 3 also be a plurality of and can dismantle respectively with telescopic be connected to connecting rod 2 to form multiunit supporting component, traction lever 29 sets up in the end of one of them taking out pole 3 through traction lever mount pad 28, and the bottom of each mount pad 37 is passed through the fixed universal motion wheel 42 that is equipped with of mounting panel 43, and the outer end bottom of each taking out pole 3 is passed through truckle mounting panel 8 and is fixed to be equipped with universal wheel 7.

Wherein, the mount pad 37 contains two aluminium system rectangle tubular products, space holding connecting rod 2 between two rectangle tubular products, take out pole 3 and contain the long tube that is located 2 both sides of connecting rod, and the outer end of two long tubes is connected through connecting plate 23, and terminal surface connecting plate 12 is installed to the inner to the both sides face of connecting rod 2 is equipped with the draw-in groove, and the medial surface of two long tubes is equipped with the arch that corresponds the draw-in groove to realize flexible function, connecting rod and take out the pole both ends simultaneously and plug up and form sealed route, avoid the connecting rod and take out the pole separation.

One end of the connecting rod 2 is provided with a mounting pin hole for a pin shaft 18 to penetrate and fix, the mounting seat 37 is provided with a horizontal pin hole and a vertical pin hole which respectively correspond to the horizontal position and the vertical position of the connecting rod 2, the pin shaft 18 respectively penetrates through the horizontal pin hole, the vertical pin hole and the mounting pin hole to respectively pin the relative position between the connecting rod 2 and the mounting seat 37 at two positions, in order to realize the detachability and the extension of the drawing rod 3 and the connecting rod 2 in the supporting component, each supporting component is provided with a bolt 20, a plurality of positioning pin holes are arranged on the rod body of the connecting rod 2 at intervals, one end of the drawing rod 3 is provided with a fixing pin hole, the bolt 20 penetrates through the fixing pin hole and one positioning hole to position and fix the drawing rod 3 and the connecting rod 2, the bolt 20 is also connected with one end of a steel cable component 22, and the other end of the steel cable component 22 is also fixed on the drawing rod 3, thereby preventing the loss of the plug 20.

Therefore, when the air inlet channel is stored, the pin shaft fixed between the mounting seat of the bottom plate assembly and the connecting rod can be pulled out, each group of supporting assemblies are opened and leveled, and the pin shaft 18 is placed in the horizontal pin hole and the mounting pin hole to be locked. Then the length of the pull rod and the connecting rod is adjusted according to the specific size of the air inlet channel of the narrow-body machine or the wide-body machine, after the adjustment is completed, the bolt is locked to fix the pull rod, and the bracket can be normally used when the pull rod is placed in the pull rod mounting seat. After the use, the drawing rod is firstly drawn back and locked by the bolt, then the pin shaft connecting the connecting rod and the mounting seat is drawn out, the supporting component is lifted to be aligned to the vertical position, then the bolt is inserted into the vertical pin hole and the mounting pin hole to be locked, and after the steps are repeated, all the groups of supporting components are drawn back, and the whole bracket is pushed into the storage area.

Wherein, the upper surface of taking out pole 3 is equipped with anticollision strip 4, and anticollision strip 4 is fixed through a plurality of interior hexagonal round head screws 5, the both sides of taking out pole 3 are equipped with flat sealing groove 14, flat sealing groove 14 is fixed through groove connecting piece 15, the outer end of taking out pole 3 is equipped with the handle 24 of U type, handle 24 is fixed through interior hexagonal screw 25 to in operation.

The upper surface of the bottom plate 35 is provided with an anti-collision plate 36, the anti-collision plate 36 is fixed to the bottom plate 35 through a plurality of connecting screws 38, the rear end of the mounting seat 37 is fixed to the bottom plate 35 through a plurality of fixing screws 40, and the upper surface of the mounting seat 37 is provided with an anti-collision piece 41.

The bumper strip 4, the bumper plate 36 and the bumper strip 41 are made of rubber to provide a buffer and collision prevention effect.

Wherein, rotatable fixed to the outer end bottom of taking out pole 3 in the upper end of truckle mounting panel 8, the lower extreme forms the U type mounting groove that supplies universal wheel 7 to fix, realizes universal motion through universal wheel 7 and truckle mounting panel 8 from this, the rotatable fixed bottom to mount pad 37 in upper end of mounting panel 43, the lower extreme forms the U type mounting groove that supplies universal moving wheel 42 to fix, also realizes universal motion from this.

The bottom plate, the connecting rod and the pulling rod are made of 6061 aluminum alloy, and the number of the supporting assemblies is preferably 5.

Therefore, the utility model has the following advantages:

1. the size and the bearing of manufacturing parameters from an air inlet OEM manufacturer can be suitable for narrow-body air inlets of Boeing (B737 series), air passengers (A320 series) and wide-body air inlets of A330 and the like.

2. The whole body is made of high-strength steel materials and aluminum alloy materials, so that the weight of the equipment is reduced to the maximum extent. Five supports of bracket are put down simultaneously and can adjust the flexible length of support according to the model size of placing the intake duct after locking folding position with the lockpin, and also can use the lockpin locking to fix simultaneously after adjusting, alright place the intake duct level on the bracket to bracket and intake duct contact position installation rubber protection avoid producing the damage to the intake duct. Meanwhile, the bracket is provided with the detachable mop, so that the bracket is more convenient to move and transport.

3. When the inspection and repair work is carried out, the repair work can be smoothly finished by utilizing the gaps between the five supports and the ground, the problem that the tray bracket shields the partial area of the air inlet channel and cannot be approached is solved, the working efficiency is greatly improved, and the risk of colliding and scratching the air inlet channel part due to the fact that the space is limited and the air inlet channel part needs to be transferred for many times is reduced. Meanwhile, after the folding type air conditioner is used, the five supports can be simultaneously retracted and folded for storage, and storage space can be saved to the maximum extent by adopting the design mode, so that the air conditioner is convenient to store in a hangar or a workshop.

4. The use effect feedback is good, the equipment operability is strong, it is light to remove, safety and stability are high to a multi-purpose function can satisfy the operation requirement of most aircraft intake duct now.

It should be apparent that the foregoing description and illustrations are by way of example only and are not intended to limit the present disclosure, application or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention will include any embodiments falling within the foregoing description and the appended claims.

Claims

1. The utility model provides a scalable folding bracket of aircraft intake duct maintenance usefulness, includes bottom plate subassembly, connecting rod, takes out pole and traction lever, its characterized in that:

2. The retractable and collapsible bracket for aircraft air scoop maintenance as defined in claim 1, wherein: the mount pad contains two aluminium system rectangle tubular products, the space holding connecting rod between two rectangle tubular products, it contains the long tube that is located the connecting rod both sides to take out the pole, and the outer end of two long tubes is connected through the connecting plate, and the terminal surface connecting plate is installed to the inner to the both sides face of connecting rod is equipped with the draw-in groove, and the medial surface of two long tubes is equipped with the arch that corresponds the draw-in groove in order to realize flexible function.

3. The retractable and collapsible bracket for aircraft air scoop maintenance as defined in claim 1, wherein: the one end of connecting rod is equipped with the installation pinhole and supplies a round pin axle to run through fixedly, the mount pad is equipped with the horizontal pinhole that corresponds connecting rod horizontal position respectively and the perpendicular pinhole of vertical position, the round pin axle runs through horizontal pinhole and perpendicular pinhole and installation pinhole respectively with sell the relative position between solid connecting rod and mount pad respectively in two positions, all is equipped with the bolt for each supporting component, the pole of connecting rod is epaxial interval and is equipped with a plurality of location pinholes, the one end of taking out the pole is equipped with fixed pinhole, the bolt runs through fixed pinhole and wherein a locating hole comes to take out pole and connecting rod to fix a position fixedly.

4. The retractable and collapsible bracket for aircraft air scoop maintenance as defined in claim 3, wherein: the bolt is also connected with one end of a steel cable component, and the other end of the steel cable component is fixed on the drawing rod.

5. The retractable and collapsible bracket for aircraft air scoop maintenance as defined in claim 1, wherein: the upper surface of the pull rod is provided with an anti-collision strip, and the outer end of the pull rod is provided with a U-shaped handle so as to be convenient to operate.

6. The retractable and collapsible bracket for aircraft air scoop maintenance of claim 5, wherein: the upper surface of bottom plate is equipped with anticollision board, the upper surface of mount pad is equipped with anticollision piece.

7. The retractable and collapsible bracket for aircraft air scoop maintenance of claim 6, further comprising: the anti-collision strip, the anti-collision plate and the anti-collision strip are made of rubber to provide a buffering anti-collision effect.

8. The retractable and collapsible bracket for aircraft air scoop maintenance as defined in claim 1, wherein: the upper end of the caster wheel mounting plate is rotatably fixed to the bottom of the outer end of the pull rod, and the lower end of the caster wheel mounting plate forms a U-shaped mounting groove for fixing the universal wheel.

9. The retractable and collapsible bracket for aircraft air scoop maintenance as defined in claim 1, wherein: the upper end of the mounting plate is rotatably fixed to the bottom of the mounting seat, and the lower end of the mounting plate forms a U-shaped mounting groove for fixing the universal moving wheel.

10. An aircraft air scoop maintenance telescopic folding tray as claimed in any of claims 1-9, wherein: the bottom plate, the connecting rods and the pulling rods are made of aluminum alloy, and the number of the supporting assemblies is 5.