CN113336067A

CN113336067A - 180-degree flexible lifting and overturning equipment for large-scale wall plate of airplane

Info

Publication number: CN113336067A
Application number: CN202110507333.3A
Authority: CN
Inventors: 耿育科; 周新房; 王守川; 刘航
Original assignee: AVIC Xian Aircraft Industry Group Co Ltd
Current assignee: AVIC Xian Aircraft Industry Group Co Ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-09-03

Abstract

The application discloses 180-degree flexible lifting and overturning equipment for a large-scale wall plate of an airplane, which comprises a base, a tension column, a hoisting mechanism, a lifting mechanism, an overturning frame and a sucker lattice structure; the base is fixed on the ground; two pulling force posts are fixed at the base both ends, and perpendicular with ground, pulling force capital portion is equipped with hoist mechanism, the elevating system that upset frame passes through bottom both sides is fixed at two pulling force post inboards, hoist mechanism is connected with upset frame top both ends, elevating system drives upset frame perpendicular to bottom surface up-and-down motion, hoist mechanism drives upset frame at 180 within ranges internal rotations, be equipped with the sucking disc lattice structure of telescopic and up-and-down motion on the upset frame, sucking disc lattice structure will adsorb the wallboard on the upset frame, hoist mechanism and elevating system drive upset frame and move the assigned position with the product upset.

Description

180-degree flexible lifting and overturning equipment for large-scale wall plate of airplane

Technical Field

The application relates to the technical field of aircraft assembly, in particular to 180-degree flexible lifting and overturning equipment for a large-scale wall plate of an aircraft.

Background

In the aircraft assembly, particularly in the horizontal assembly structure, the wall plate structure is turned over, lifted and other process actions exist at the positions of composite material forming and demoulding, lower assembly frame cleaning and deburring, upper surface wall plate upper frame and the like. Because aircraft wallboard cross sectional dimension is big, the thickness dimension is thin, the stability of wallboard shape is guaranteed to the upset process, so, aircraft wallboard upset is a difficult problem always, the upset of the most wallboard of domestic aircraft at present adopts the upset to hang, the suspender combines the bracket, the upset is accomplished to artifical supplementary action multi-action, auxiliary work is more with supplementary process, simultaneously because wallboard outline size differs, the camber is not of uniform size, the upset is highly different, upset lift process combination differs, flip structure is hardly unified with equipment, so then the unicity is very strong to large-scale wallboard. At present, the large-sized aircraft in China is small in development batch and large in configuration, and the reasonable flexible overturning equipment is a technical difficulty inevitably faced by the large-sized aircraft manufacturing based on the consideration of factors such as cost reduction, development efficiency improvement, development period saving and the like.

Disclosure of Invention

In order to solve the problems, the universal flexible equipment suitable for overturning and lifting various wallboards is developed based on variable factors such as different curvatures, outlines, stringer axis positions and the like, and the equipment is suitable for flexibly overturning the large-scale aircraft wallboards, particularly the lifting of wing wallboards.

In order to achieve the above purpose, the following technical scheme is adopted to realize the purpose:

a180-degree flexible lifting and overturning device for a large-scale wall plate of an airplane comprises a base, a tension column, a hoisting mechanism, an elevating mechanism, an overturning frame and a sucker lattice structure; the base is fixed on the ground; two pulling force posts are fixed at the base both ends, and perpendicular with ground, pulling force capital portion is equipped with hoist mechanism, the elevating system that upset frame passes through bottom both sides is fixed at two pulling force post inboards, hoist mechanism is connected with upset frame top both ends, elevating system drives upset frame perpendicular to bottom surface up-and-down motion, hoist mechanism drives upset frame at 180 within ranges internal rotations, be equipped with the sucking disc lattice structure of telescopic and up-and-down motion on the upset frame, sucking disc lattice structure will adsorb the wallboard on the upset frame, hoist mechanism and elevating system drive upset frame and move the assigned position with the product upset. The turnover frame consists of a support frame and two groups of rotating shafts; the support frame is of a plane truss structure, and the sucker lattice structures are uniformly distributed on the truss in rows; two groups of rotating shafts are respectively fixed at two ends of the lower part of the supporting frame, the axes of the rotating shafts are concentric, the rotating shafts are connected with the lifting mechanism in a matching way, and a locking device matched with the tension column when the overturning frame is overturned to 90 degrees is arranged at the top end of the overturning frame. The sucking disc dot matrix structure comprises multirow vacuum chuck dot matrix and the spacing dot matrix of one row of vacuum chuck, and the spacing dot matrix of vacuum chuck is located the last truss of upset frame, and the spacing dot matrix of vacuum chuck dot matrix and vacuum chuck can be perpendicular to frame plane motion to the interior shape locating position of the wallboard that adsorbs to move to the stringer interval locating position of the wallboard that adsorbs along the truss up-and-down direction. The vacuum chuck limit dot matrix consists of a vacuum chuck dot matrix and a limit pressing device, and the limit pressing device is arranged at the top end of the vacuum chuck dot matrix; the limiting and pressing device is composed of a fixed seat and a positioning and pressing adjusting assembly, the fixed seat is of a Z-shaped structure, one end of the fixed seat is fixed on a tail end shaft of a servo electric cylinder of the sucker dot matrix, the positioning and pressing adjusting assembly is provided with a wallboard edge limiting flange, the positioning and pressing adjusting assembly can adjust the position of the edge limiting flange in a vertical sliding mode according to the edge of the wallboard, and the positioning and pressing adjusting assembly is provided with a wallboard elastic pressing structure which is always overlapped with the position of the sucker dot matrix; when the positioning and pressing adjusting assembly is used, the wallboard is pressed on the sucker dot matrix through the positioning and pressing adjusting assembly. The winding mechanism comprises a rotary disc, a steel cable and servo motors, the rotary disc is mounted on the inner side of the top of the tension column through a rotating bearing, one end of the steel cable is fixed on the rotary disc, the other end of the steel cable is fixed at the top end of the turning frame, the steel cable is wound on the rotary disc, the servo motors drive the rotary disc to drive the steel cable to pull the turning frame to rotate forwards and backwards, and two sets of servo motors of the winding mechanism are coordinated and synchronous in direction and pulling size all the time during descending and turning movement of the turning frame and keep the tension of the two sets of servo motors consistent all the time. The lifting mechanism comprises a screw rod transmission structure and a rotating shaft sleeve base, the screw rod transmission structure is fixed on the inner side of the tension column and vertically installed, and a sleeve of the rotating shaft sleeve base is matched with a lower rotating shaft of the turnover frame.

The advantage of this application lies in utilizing multiple technologies such as lead screw transmission, hoist mechanism, vacuum dot matrix to combine, through rotation, elevating movement's combination, realizes the flexible lift upset of large-scale aircraft wallboard, with configuration adaptability maximize, has universal suitability to the lift upset of similar large-scale wallboard structure.

The present application will be described in further detail with reference to the following drawings and examples.

Drawings

FIG. 1 is a side structure view of a 180-degree flexible lifting and overturning device shaft of a large-scale wall plate of an airplane;

FIG. 2 is a rear view of a 180-degree flexible lifting and overturning device shaft side structure of a large-scale wall plate of an airplane;

FIG. 3 is a front view of a 180-degree flexible lifting and overturning device for a large-sized wall plate of an airplane;

FIG. 4 is a schematic diagram of a lattice structure of the chuck;

FIG. 5 is a schematic diagram of a sucker lattice structure and an arrangement structure of a lifting mechanism;

fig. 6 is a detailed structural schematic diagram of the limiting and pressing device.

The numbering in the figures illustrates: 1. a base; 2. a tension column; 3. a hoisting mechanism; 4. a lifting mechanism; 5. turning over the frame; 6, a sucker lattice structure; 7. a support frame; 8. two sets of rotating shafts; 9. vacuum chuck dot matrix; 10. limiting the dot matrix by a vacuum chuck; 11. a limiting and pressing device; 12. a fixed seat; 13. positioning a compaction adjusting assembly; 14. a turntable; 15. a wire rope; 16, a servo motor; 17. a screw rod transmission structure; 18. a rotating shaft sleeve base; 19. wall plates; 20. the wall panel edge.

Detailed Description

Referring to fig. 1 to 6, the turnover device is mainly used for turnover of 19-degree structures of aircraft wallboards, and is a 180-degree flexible lifting turnover device for large aircraft wallboards, and comprises a base 1, a tension column 2, a hoisting mechanism 3, a lifting mechanism 4, a turnover frame 5 and a sucker lattice structure 6; the base 1 is fixed on the ground; two pulling force posts 2 are fixed at 1 both ends of base, and perpendicular with ground, 2 tops of pulling force post are equipped with

hoist mechanism

3, 2 inboards at two pulling force posts are fixed through the elevating system 4 of bottom both sides to upset frame 4, hoist mechanism 3 is connected with 5 top both ends of upset frame, elevating system 4 drives 5 perpendicular to bottom surfaces up-and-down motion of upset frame, hoist mechanism 3 drives upset frame 5 at 180 within range internal rotations, be equipped with telescopic and sucking disc lattice structure 6 that can up-and-down motion on upset frame 5, sucking disc lattice structure will adsorb the wallboard on upset frame 5, hoist mechanism 3 and elevating system 4 drive upset frame 5 with the product upset removal to the assigned position.

The turnover frame 5 consists of a support frame 7 and two groups of rotating shafts 8; the supporting frame 7 is a plane truss structure, and the sucker dot matrix structures 7 are uniformly distributed on the truss in rows; two groups of rotating shafts 8 are respectively fixed at two ends of the lower part of the supporting frame 7, have concentric axes and are matched and connected with the lifting mechanism 4, and a locking device matched with the tension column 2 when the overturning frame 5 is overturned to 90 degrees is arranged at the top end of the overturning frame.

The sucker dot matrix structure 6 is composed of a plurality of rows of vacuum sucker dot matrixes 9 and a row of vacuum sucker limiting dot matrixes 10, the vacuum sucker limiting dot matrixes 9 are located on the lowest row of trusses of the turnover frame 5, the vacuum sucker dot matrixes 9 and the vacuum sucker limiting dot matrixes 10 can move to the inner shape positioning positions of the adsorbed wall boards in a plane perpendicular mode, and move to the long truss interval positioning positions of the adsorbed wall boards in the vertical direction of the trusses.

The vacuum chuck limit dot matrix 10 consists of a vacuum chuck dot matrix 9 and a limit pressing device 11, and the limit pressing device 11 is installed at the top end of the vacuum chuck dot matrix 9; the limiting and pressing device 11 is composed of a fixed seat 12 and a positioning and pressing adjusting component 13, the fixed seat 12 is of a Z-shaped structure, one end of the fixed seat is fixed on a tail end shaft of a servo electric cylinder of the sucker dot matrix 9, the positioning and pressing adjusting component 13 is provided with a limiting flange at the edge 20 of the wall plate, the positioning and pressing adjusting component 13 can adjust the position of the limiting flange at the edge according to the vertical sliding of the edge of the wall plate, and the positioning and pressing adjusting component 13 is provided with an elastic pressing structure of the wall plate which is always overlapped with the position of the sucker dot matrix 9; when the wall plate pressing device is used, the wall plate is pressed on the sucker dot matrix 9 through the positioning pressing adjusting assembly 13.

The winding mechanism 3 comprises a rotary disc 14, a steel cable 15 and servo motors 16, the rotary disc 14 is mounted on the inner side of the top of the tension column 2 through a rotating bearing, one end of the steel cable 15 is fixed on the rotary disc, the other end of the steel cable is fixed at the top end of the turnover frame 4, the steel cable 15 is wound on the rotary disc 14, the servo motors 16 drive the rotary disc 14 to drive the steel cable 15 to pull the turnover frame 5 to rotate forwards and backwards, two sets of servo motors of the winding mechanism 3 are coordinated and synchronous in direction and pulling size all the time during descending and turnover movement of the turnover frame 5, and tension of the two sets of servo motors 16 is kept consistent all the time.

The lifting mechanism 4 comprises a screw rod transmission structure 17 and a rotating shaft sleeve base 18, the screw rod transmission structure 18 is fixed on the inner side of the tension column 2 and vertically installed, and a sleeve of the rotating shaft sleeve base 18 is matched with a lower rotating shaft of the turnover frame 5.

Claims

1. A180-degree flexible lifting and overturning device for a large-sized wall plate of an airplane is characterized by comprising a base, a tension column, a hoisting mechanism, a lifting mechanism, an overturning frame and a sucker lattice structure; the base is fixed on the ground; two pulling force posts are fixed at the base both ends, and perpendicular with ground, pulling force capital portion is equipped with hoist mechanism, the elevating system that upset frame passes through bottom both sides is fixed at two pulling force post inboards, hoist mechanism is connected with upset frame top both ends, elevating system drives upset frame perpendicular to bottom surface up-and-down motion, hoist mechanism drives upset frame at 180 within ranges internal rotations, be equipped with the sucking disc lattice structure of telescopic and up-and-down motion on the upset frame, sucking disc lattice structure will adsorb the wallboard on the upset frame, hoist mechanism and elevating system drive upset frame and move the assigned position with the product upset.

2. The 180-degree flexible lifting turnover device for the large-sized aircraft wall panel according to claim 1, wherein the turnover frame consists of a support frame and two groups of rotating shafts; the support frame is of a plane truss structure, and the sucker lattice structures are uniformly distributed on the truss in rows; two groups of rotating shafts are respectively fixed at two ends of the lower part of the supporting frame, the axes of the rotating shafts are concentric, the rotating shafts are connected with the lifting mechanism in a matching way, and a locking device matched with the tension column when the overturning frame is overturned to 90 degrees is arranged at the top end of the overturning frame.

3. The 180 ° flexible lifting/lowering/overturning device for large aircraft panels as claimed in claim 1, wherein the sucker lattice structure comprises a plurality of rows of vacuum sucker lattices and a row of vacuum sucker spacing lattices, the row of vacuum sucker spacing lattices is located on the lowest row of trusses of the overturning frame, and the row of vacuum sucker lattices and the row of vacuum sucker spacing lattices can move to the inner shape positioning positions of the attached panel perpendicular to the frame plane and move to the long trusses spacing positioning positions of the attached panel along the up-and-down direction of the trusses.

4. The 180-degree flexible lifting and overturning device for the large-sized aircraft wall panel according to claim 3, wherein the vacuum chuck limit lattice consists of a vacuum chuck lattice and a limit pressing device, and the limit pressing device is installed at the top end of the vacuum chuck lattice; the limiting and pressing device is composed of a fixed seat and a positioning and pressing adjusting assembly, the fixed seat is of a Z-shaped structure, one end of the fixed seat is fixed on a tail end shaft of a servo electric cylinder of the sucker dot matrix, the positioning and pressing adjusting assembly is provided with a wallboard edge limiting flange, the positioning and pressing adjusting assembly can adjust the position of the edge limiting flange in a vertical sliding mode according to the edge of the wallboard, and the positioning and pressing adjusting assembly is provided with a wallboard elastic pressing structure which is always overlapped with the position of the sucker dot matrix; when the positioning and pressing adjusting assembly is used, the wallboard is pressed on the sucker dot matrix through the positioning and pressing adjusting assembly.

5. The 180-degree flexible lifting and overturning device for the large-sized wall plate of the airplane as claimed in claim 1, wherein the hoisting mechanism comprises a turntable, a steel cable and a servo motor, the turntable is mounted on the inner side of the top of the tension column through a rotating bearing, one end of the steel cable is fixed on the turntable, the other end of the steel cable is fixed at the top end of the overturning frame, the steel cable is wound on the turntable, the servo motor drives the turntable to drive the steel cable to pull the overturning frame to rotate forwards and backwards, and the two sets of servo motors of the hoisting mechanism are always coordinated and synchronized in direction and pulling size during the descending and overturning movement of the overturning frame and always keep the tension of the two sets of servo motors consistent.

6. The 180-degree flexible lifting and overturning device for the large-scale wall plate of the airplane as claimed in claim 1, wherein the lifting mechanism comprises a screw rod transmission structure and a rotating shaft sleeve base, the screw rod transmission structure is fixed on the inner side of the tension column and vertically installed, and a sleeve of the rotating shaft sleeve base is matched with a lower rotating shaft of the overturning frame.