Angle-adjustable support for aircraft assembly fixture

Abstract

The utility model provides an angle-adjustable support for an aircraft assembly fixture, which comprises a mounting support, an inclined mounting plate and an inclined support plate, a step side plate is fixed on the left side of the upper end of the mounting support through bolts, a servo motor is mounted at the left end of the step side plate, and the shaft end of the servo motor penetrates through the step side plate to be connected with a ball screw. The outer portion of the ball screw is screwed with a screw nut through the thread principle, the rear end of the screw nut is fixedly provided with an inclined installation plate, the inclined end of the inclined installation plate is fixedly provided with an installation block through a bolt, and the front end of the installation block is provided with a PID controller. In order to solve the problems that in the prior art, airplane assembly fixtures with other inclination angles cannot be supported and used, the inclination-adjustable support structure is designed and can be adjusted and specially used for supporting according to the inclination angles of the airplane assembly fixtures, and re-blanking and re-manufacturing are not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to an adjustable angle support for an aircraft assembly jig and belongs to the technical field of aircraft assembly jig auxiliary equipment. BACKGROUND

[0002] During the assembly or general assembly of aircraft components and parts, large and medium-sized assembly fixtures for determining the mutual positions of aircraft parts and assemblies for connection and assembly are called assembly jigs. Assembly jigs are used to accurately and quickly position and clamp low-rigidity aircraft parts and assemblies, ensure their correct geometric shape and position, and limit their deformation during connection and assembly, so that the geometric shape and size of the assembled parts are within the specified tolerance range to meet the manufacturing accuracy and coordination accuracy requirements of the product. Since aircrafts not only have complex shapes but also have a large number of parts and components, supports are needed to support the aircraft assembly jig during assembly to facilitate subsequent splicing operations.

[0003] Publication No. CN209062940U discloses an adjustable angle support for an aircraft assembly jig. In this device, the upper support, lower support and shaft can be made into standard parts in advance. When a support with a certain angle is needed, only a connecting plate with a corresponding length needs to be cut, and the angle of the support can be adjusted by screwing and cylindrical pin arrangement, which shortens the design and manufacturing cycle of the aircraft assembly jig angle support. However, this device needs to be cut according to the inclination angle of the aircraft assembly jig, and cannot support and use aircraft assembly jigs with other inclination angles. Therefore, there is an urgent need for an adjustable angle support for an aircraft assembly jig to solve the above problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model aims to provide an adjustable angle support for an aircraft assembly jig to solve the problems raised in the background art. The utility model designs an inclined adjustable support structure that can be adjusted and specially supported according to the inclination angle of the aircraft assembly jig without the need for re-cutting and manufacturing.

[0005] In order to achieve the above object, the utility model is through the following technical scheme to realize: an adjustable angle support for aircraft assembly jig, including installation support, inclined mounting plate and inclined support plate, the installation support upper end left side is fixed with step side plate through bolt, the step side plate left end is installed with servo motor, the servo motor shaft end is connected with the ball screw through the step side plate, the ball screw outside is screwed with screw rod nut through the thread principle, the screw rod nut rear end is fixed with inclined mounting plate, the inclined mounting plate inclined end is fixed with mounting block through bolt, the mounting block front end is installed with PID controller, the mounting block inclined surface is fixed with first hydraulic rod, second hydraulic rod and welding plate respectively, the first hydraulic rod and second hydraulic rod are connected with PID controller through wire, the first hydraulic rod inclined end is fixed with first semicircle support block, the second hydraulic rod inclined end is fixed with second semicircle support block, the inclined support plate is in the oblique upper side of mounting block, the welding ear plate is fixed with fixed shaft in the welding ear plate.

[0006] Further, the installation support is welded with mounting hole plate around.

[0007] Further, the screw rod nut lower end is longitudinally installed with first sliding support block, the inclined mounting plate lower end is longitudinally installed with second sliding support block and third sliding support block, and the installation support upper end is installed with first fixed rail and second fixed rail through bolt.

[0008] Further, the first sliding support block slides in the first fixed rail, the second fixed rail slides in the second sliding support block, and the third sliding support block slides in the installation support.

[0009] Further, the first semicircle support block and the second semicircle support block respectively abut the inclined surface of the lower end of the inclined support plate.

[0010] Further, the other end of the welding plate is slidably sleeved outside the fixed shaft.

[0011] The utility model has the advantages that the utility model adds servo motor, ball screw, screw rod nut, first sliding support block, inclined mounting plate, second sliding support block, third sliding support block, PID controller, first hydraulic rod, first semicircle support block, second hydraulic rod, second semicircle support block, welding plate, welding ear plate, fixed shaft and inclined support plate, and through our design improvement and actual use show that the device structure is reasonable, and the practicality is good, and a kind of inclined adjustable support structure is designed, can be adjusted according to the inclination angle of aircraft assembly jig and specially supported use, need not to be remade, and operation is simple, and it is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, read in conjunction with the accompanying drawings:

[0013] Fig. 1 It is a whole structure perspective view of the adjustable angle support stand for aircraft assembly jig of the present application;

[0014] Fig. 2 It is an enlarged schematic view of the inclined installation plate of the adjustable angle support stand for aircraft assembly jig of the present application;

[0015] Fig. 3 It is a split structure schematic view of the welding plate of the adjustable angle support stand for aircraft assembly jig of the present application.

[0016] In the figure: 1 - installation support, 2 - installation hole plate, 3 - step side plate, 4 - servo motor, 5 - ball screw, 6 - screw nut, 7 - first sliding support block, 8 - inclined installation plate, 9 - second sliding support block, 10 - third sliding support block, 11 - first fixed rail, 12 - second fixed rail, 13 - PID controller, 14 - installation block, 15 - first hydraulic rod, 16 - first semicircular support block, 17 - second hydraulic rod, 18 - second semicircular support block, 19 - welding plate, 20 - welding ear plate, 21 - fixed shaft, 22 - inclined support plate. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0018] Please refer to Figs. 1-3The utility model provides a technical scheme: an adjustable angle support for aircraft assembly jig, it includes installation support 1, inclination installation board 8 and inclination support board 22, the left side of installation support 1 upper end is fixed with step side plate 3 through bolt, step side plate 3 left end is installed with servo motor 4, the axle end of servo motor 4 is connected with ball screw 5 through step side plate 3, ball screw 5 outside is screwed with screw rod nut 6 through the thread principle, screw rod nut 6 rear end is fixed with inclination installation board 8, the inclination end of inclination installation board 8 is fixed with mounting block 14 through bolt, mounting block 14 front end is installed with PID controller 13, the inclined surface of mounting block 14 is fixed with first hydraulic rod 15, second hydraulic rod 17 and welding plate 19 respectively, first hydraulic rod 15 and second hydraulic rod 17 are connected with PID controller 13 through wire, the inclination end of first hydraulic rod 15 is fixed with first semicircle support block 16, the inclination end of second hydraulic rod 17 is fixed with second semicircle support block 18, inclination support board 22 is in the oblique upper side of mounting block 14, welding lug plate 20 is installed at the lower end of inclination support board 22, the fixed shaft 21 is fixedly penetrated in welding lug plate 20, the design solves the problem that the original device needs to be made according to the inclination angle of aircraft assembly jig, cannot support and use the aircraft assembly jig of the rest inclination angle.

[0019] As the first embodiment of the utility model: installation support 1 is welded with mounting hole plate 2 all around, by adding mounting hole plate 2, it is convenient to be fixed in the outside through bolt.

[0020] The lower end of screw rod nut 6 is vertically installed with first sliding support block 7, the lower end of inclination installation board 8 is vertically installed with second sliding support block 9 and third sliding support block 10, the upper end of installation support 1 is installed with first fixed rail 11 and second fixed rail 12 through bolt, first sliding support block 7 is slid in first fixed rail 11, second fixed rail 12 is slid in second sliding support block 9, third sliding support block 10 is slid in installation support 1, by adding first sliding support block 7, second sliding support block 9 and third sliding support block 10, screw rod nut 6 and inclination installation board 8 can be assisted and supported, when screw rod nut 6 is driven to move, can be matched with inclination installation board 8 and slide, ensure that screw rod nut 6 does not occur self-rotation phenomenon.

[0021] First semicircle support block 16 and second semicircle support block 18 respectively with the inclination surface of inclination support board 22 lower end abuts, by adding first semicircle support block 16 and second semicircle support block 18, can assist and support inclination support board 22, when inclination support board 22 is inclined and is pasted in aircraft assembly jig, ensure that inclination support board 22 does not occur loose phenomenon after inclination. Welding plate 19 other end is slid and is set in the outside of fixed shaft 21, by adding welding plate 19 other end and slid and is set in the outside of fixed shaft 21, can prevent welding lug plate 20 and inclination support board 22 from falling off from the outside of welding plate 19.

[0022] As a second embodiment of the utility model: in actual use, start servo motor 4, servo motor 4 drives ball screw 5 to rotate in situ, and then make screw nut 6 be driven to move outside ball screw 5, so as to drive inclined mounting plate 8, mounting block 14 and its inclined surface parts to move (in this process, first sliding support block 7 and second sliding support block 9 respectively slide in first fixed rail 11 and second fixed rail 12, and third sliding support block 10 slides on mounting support 1), until the horizontal position of inclined support plate 22 is adjusted, manually incline the inclined surface of inclined support plate 22 to the inclined surface support of aircraft assembly jig (in this process, fixed shaft 21 rotates outside welding plate 19), until the inclined surface of inclined support plate 22 completely adheres to the inclined surface support of aircraft assembly jig, then control first hydraulic rod 15 and second hydraulic rod 17 by PID controller 13 respectively, so that the movable end of first hydraulic rod 15 and the movable end of second hydraulic rod 17 drive first semicircular support block 16 and second semicircular support block 18 to move to the lower side of inclined support plate 22 respectively, until first semicircular support block 16 and second semicircular support block 18 respectively tightly top the lower side of inclined support plate 22, which can ensure the effect of stable support of inclined support plate 22 to aircraft assembly jig.

[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, so as to include all changes falling within the meaning and scope of the equivalent elements of the claims in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. An adjustable angle support for an aircraft assembly jig comprising a mounting support (1), a tilting mounting plate (8) and a tilting support plate (22), characterised in that: The left side of the upper end of the mounting support (1) is fixed with a stepped side plate (3) through bolts, the left end of the stepped side plate (3) is provided with a servo motor (4), the shaft end of the servo motor (4) penetrates through the stepped side plate (3) and is connected with a ball screw (5), the outer part of the ball screw (5) is screwed with a screw nut (6) through the thread principle, the rear end of the screw nut (6) is fixed with an inclined mounting plate (8); The inclined end of the inclined mounting plate (8) is fixed with a mounting block (14) through bolts, the front end of the mounting block (14) is provided with a PID controller (13), the inclined surface of the mounting block (14) is respectively fixed with a first hydraulic rod (15), a second hydraulic rod (17) and a welding plate (19), the first hydraulic rod (15) and the second hydraulic rod (17) are connected with the PID controller (13) through wires, the inclined end of the first hydraulic rod (15) is fixed with a first semicircular support block (16), the inclined end of the second hydraulic rod (17) is fixed with a second semicircular support block (18), the inclined support plate (22) is above the mounting block (14), the lower end of the inclined support plate (22) is provided with a welding ear plate (20), the welding ear plate (20) is fixed with a fixed shaft (21) penetratingly.

2. An adjustable angle mount for an aircraft assembly jig as defined in claim 1, wherein: The mounting hole plate (2) is welded around the mounting support (1).

3. An adjustable angle mount for an aircraft assembly jig as defined in claim 1, wherein: The lower end of the screw nut (6) is longitudinally provided with a first sliding support block (7), the lower end of the inclined mounting plate (8) is longitudinally provided with a second sliding support block (9) and a third sliding support block (10), the upper end of the mounting support (1) is provided with a first fixed rail (11) and a second fixed rail (12) through bolts.

4. An adjustable angle mount for an aircraft assembly jig according to claim 3, wherein: The first sliding support block (7) is slidably located in the first fixed rail (11), the second fixed rail (12) is slidably located in the second sliding support block (9), and the third sliding support block (10) is slidably located on the mounting support (1).

5. An adjustable angle mount for an aircraft assembly jig as defined in claim 1, wherein: The first semicircular support block (16) and the second semicircular support block (18) respectively abut the inclined surface of the lower end of the inclined support plate (22).

6. An adjustable angle mount for an aircraft assembly jig as defined in claim 1, wherein: The other end of the welding plate (19) is slidably sleeved outside the fixed shaft (21).

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