A multi-degree-of-freedom adjustment mechanism and wing fairing assembly auxiliary positioning tooling

Abstract

A multi-degree-of-freedom adjustment mechanism includes a fixed plate, a first ball joint structure, and an adjustment beam. The adjustment beam includes an adjustment seat and an adjustment beam body. The fixed plate is connected to one end of the adjustment seat via the first ball joint structure. The other end of the adjustment seat is connected to one end of the adjustment beam body via an X-direction translation mechanism, a Y-direction translation mechanism, and a Z-direction translation mechanism in sequence. The adjustment beam body is provided with a positioning seat for carrying a wing fairing assembly. A wing fairing assembly auxiliary positioning tool includes the above-mentioned multi-degree-of-freedom adjustment mechanism and a positioning seat for carrying a wing fairing assembly. The positioning seat includes an upper U-shaped positioning plate and a lower U-shaped positioning plate. The bottom of the upper U-shaped positioning plate is fixedly connected to the top of the lower U-shaped positioning plate via a rotating shaft. The rotating shaft rotates in conjunction with the adjustment beam body. This design can adjust the angle and position of parts with multiple degrees of freedom during the installation process of the parts and realize auxiliary positioning installation of the fairing assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical equipment tooling, and in particular to a multi-degree-of-freedom adjustment mechanism and a wing fairing assembly auxiliary positioning tooling, which is specifically suitable for assisting the assembly of components such as wing fairing assemblies. Background Art

[0002] In the field of mechanics, specialized assembly tooling is often required for assembling parts, and during the assembly process, the position of parts often needs to be constantly adjusted. In the prior art, the most common method of adjusting equipment tooling is to adjust and position parts using gaskets. However, this method cannot accurately adjust the rotation angle of the parts, which is not conducive to achieving precise assembly. When assembling the wing leading edge root fairing assembly to the aircraft fuselage, the position and angle of the fairing assembly need to be precisely adjusted to ensure assembly accuracy. If the position and angle of the fairing assembly are adjusted using gaskets, the adjustment accuracy is not high, and the existing auxiliary positioning tooling also makes it difficult to achieve multi-degree-of-freedom coordinated adjustment of the fairing assembly. Summary of the Invention

[0003] The purpose of the present invention is to overcome the problem in the prior art that it is difficult to accurately adjust the position and angle of parts when assembling them to an assembly body, and to provide a multi-degree-of-freedom adjustment mechanism and a wing fairing assembly auxiliary positioning tooling that are convenient for accurately adjusting the position and angle of parts.

[0004] To achieve the above objectives, the technical solution of the present invention is:

[0005] A multi-degree-of-freedom adjustment mechanism, comprising a fixed plate, a first ball joint structure, and an adjustment beam, wherein the fixed plate is connected to the adjustment beam via the first ball joint structure;

[0006] The adjustment beam includes an adjustment seat and an adjustment beam body. One end of the adjustment seat is connected to the first ball joint structure, and the other end of the adjustment seat is connected to the adjustment beam body through the X-direction translation mechanism, the Y-direction translation mechanism, and the Z-direction translation mechanism in sequence. The adjustment beam body is used to carry parts that need to be installed on the assembly body.

[0007] The adjustment mechanism also includes multiple adjustment blocks, which are arranged around the first ball joint structure. The adjustment blocks are fixed on the fixed plate. A threaded hole is opened on the adjustment block. A positioning bolt that cooperates with the thread is arranged in the threaded hole. The screw of the positioning bolt passes through the threaded hole and cooperates with the adjustment seat to limit the position.

[0008] Four adjustment blocks are fixedly arranged on the fixed plate, and the four adjustment blocks are arranged opposite to each other in pairs. The adjustment seat is located in the area surrounded by the four adjustment blocks. Each adjustment block is provided with two threaded holes, and a positioning bolt is arranged in each threaded hole.

[0009] One end of the adjusting beam body remote from the adjusting seat is connected to the end of the sliding rod through a second ball joint structure. The sliding rod is located in the inner ring of the spherical bearing and can slide axially along the inner ring of the spherical bearing. The outer ring of the spherical bearing is fixedly connected to the fixed bracket through the bearing seat.

[0010] One end of the sliding rod far away from the adjusting beam main body is provided with an external thread, and the end of the sliding rod provided with the external thread is matched with the nut thread.

[0011] The second ball joint structure includes a housing and an assembly ball head. The interior of the housing is a spherical inner cavity. The assembly ball head is provided in the spherical inner cavity. The cavity wall of the spherical inner cavity is a spherical surface that matches the outer surface of the assembly ball head. The assembly ball head is fixedly connected to one end of the connecting rod. The other end of the connecting rod passes through a through hole formed in the housing and is fixedly connected to the end of the sliding rod.

[0012] One end of the far through hole of the shell is fixedly connected to the adjusting beam body.

[0013] The first ball joint structure includes an annular connecting sleeve and a movable rod of an integrated structure, one end of the movable rod is fixedly connected to the adjustment seat, and the other end of the movable rod is fixedly connected to the annular connecting sleeve. A spherical shaft is provided inside the annular connecting sleeve, and the inner surface of the annular connecting sleeve is a spherical surface that matches the outer surface of the spherical shaft. A pin shaft hole is provided in the middle of the spherical shaft, and a pin shaft is provided in the through hole. The end of the pin shaft is fixedly connected to the fixed plate through a pin shaft bracket.

[0014] One end of the adjustment seat far from the first ball joint structure is fixedly connected to one side of the X-direction translation mechanism, the other side of the X-direction translation mechanism is fixedly connected to one side of the Y-direction translation mechanism, the other side of the Y-direction translation mechanism is fixedly connected to the bottom of the L-shaped bracket, the side of the L-shaped bracket is fixedly connected to one side of the Z-direction translation mechanism, and the other side of the Z-direction translation mechanism is fixedly connected to the side of the adjustment beam body.

[0015] The X-direction translation mechanism includes a first slider and a second slider. The outer side of the first slider is fixedly connected to the adjustment seat. The inner side of the first slider is fixedly provided with a first dovetail slider. The first dovetail slider is located in a first dovetail groove and can slide along the first dovetail groove. The first dovetail groove is provided on the inner side of the second slider. The outer side of the second slider is fixedly connected to the Y-direction translation mechanism.

[0016] The Y-direction translation mechanism includes a third slider and a fourth slider, the outer side of the third slider is fixedly connected to the outer side of the second slider, the inner side of the third slider is fixedly provided with a second dovetail slider, the second dovetail slider is located in a second dovetail groove, and the second dovetail slider can slide along the second dovetail groove, the second dovetail groove is provided on the inner side of the fourth slider, and the outer side of the fourth slider is fixedly connected to the bottom of the L-shaped bracket;

[0017] The Z-direction translation mechanism includes a fifth slider and a sixth slider. The outer side of the fifth slider is fixedly connected to the side of the L-shaped bracket. The inner side of the fifth slider is fixedly provided with a third dovetail slider. The third dovetail slider is located in the third dovetail groove. The third dovetail slider can slide along the third dovetail groove. The third dovetail groove is opened on the inner side of the sixth slider. The outer side of the sixth slider is fixedly connected to the side of the adjustment beam body.

[0018] An auxiliary positioning tool for a wing fairing assembly, the auxiliary positioning tool including the above-mentioned multi-degree-of-freedom adjustment mechanism;

[0019] The auxiliary positioning fixture also includes a positioning seat, which includes an upper U-shaped positioning plate and a lower U-shaped positioning plate. The upper U-shaped positioning plate is located above the adjustment beam body, and the bottom of the upper U-shaped positioning plate is fixedly connected to the top of the lower U-shaped positioning plate through a rotating shaft. The lower U-shaped positioning plate is located below the adjustment beam body, and the rotating shaft is rotatably matched with the adjustment beam body.

[0020] The upper U-shaped positioning plate and the lower U-shaped positioning plate are both provided with positioning surfaces that match the wing fairing assembly, and the upper U-shaped positioning plate and the lower U-shaped positioning plate are both provided with positioning pins that match the pin holes on the wing fairing assembly.

[0021] The positioning seat also includes an upper mounting plate and a lower mounting plate, one side of the upper mounting plate is fixedly connected to the top of the adjusting beam body, and the other side of the upper mounting plate is rotatably matched with the rotation axis, one side of the lower mounting plate is fixedly connected to the bottom of the adjusting beam body 32, and the other side of the lower mounting plate is rotatably matched with the rotation axis;

[0022] A connecting plate is fixedly provided on the outer side of the upper U-shaped positioning plate, and an arc-shaped hole is provided on the connecting plate. The central axis of the arc-shaped hole is located on a circle with a point on the central axis of the rotating shaft as the center. A connecting screw hole matching the arc-shaped hole is provided on the upper mounting plate.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. In a multi-degree-of-freedom adjustment mechanism of the present invention, the parts that need to be installed on the assembly body are carried by an adjustment beam. The adjustment beam is connected to the fixed plate through a first ball hinge structure. The fixed plate is fixedly connected to the assembly body, which can realize flexible multi-directional rotation of the adjustment beam and the parts it carries. At the same time, the end of the adjustment beam far from the fixed plate is connected to the fixed bracket through a second ball hinge structure, a sliding rod, and a spherical bearing. Since both ends of the adjustment beam are provided with joints composed of ball hinge structures, the adjustment beam can realize flexible rotation at multiple angles, thereby driving the parts loaded on the adjustment beam to flexibly rotate and adjust in multiple directions. Therefore, in this design, both ends of the adjustment beam are provided with joints composed of ball hinge structures, which realizes flexible multi-directional rotation and adjustment of parts within a certain area.

[0025] 2. The adjusting beam in the multi-degree-of-freedom adjustment mechanism of the present invention includes an adjusting seat and an adjusting beam body. The adjusting seat is connected to the adjusting beam body via an X-direction translation mechanism, a Y-direction translation mechanism, and a Z-direction translation mechanism, respectively. The X-direction translation mechanism, the Y-direction translation mechanism, and the Z-direction translation mechanism are all dovetail slides. The three dovetail slides can accurately and conveniently adjust the displacement of the adjusting beam body in the X, Y, and Z directions, thereby driving the parts disposed on the adjusting beam body to move within a certain range, thereby achieving flexible movement of the parts within a certain area. Therefore, in this design, the X-direction translation mechanism, the Y-direction translation mechanism, and the Z-direction translation mechanism achieve multi-directional flexible movement of parts within a certain area.

[0026] 3. In a multi-degree-of-freedom adjustment mechanism of the present invention, a plurality of adjustment blocks are provided on the periphery of the first ball joint structure, each adjustment block is provided with a threaded hole, and a positioning bolt that matches its thread is provided in each threaded hole. The screw of the positioning bolt passes through the threaded hole from the outside to the inside and matches with the outer surface of the adjustment beam body. The positioning bolt is rotated so that the end of the positioning bolt abuts against the adjustment seat and drives the adjustment seat to change its posture, thereby achieving the purpose of adjusting and positioning the adjustment seat. The position of the adjustment seat is adjusted and fixed by the bolt. Compared with the use of gaskets, the adjustment accuracy is higher, and it is more suitable for high-precision micro-adjustment, which is conducive to the precise positioning and installation of parts, and the operation of the adjustment mechanism is simple. Therefore, in this design, the adjustment beam is rotated, adjusted and fixed by the adjustment block and the positioning bolt installed on the adjustment block, which is suitable for high-precision micro-adjustment, and the operation of the adjustment mechanism is simple.

[0027] 4. In a multi-degree-of-freedom adjustment mechanism of the present invention, one end of the adjustment beam is connected to the fixed plate through a first ball joint structure, while the end of the adjustment beam far from the fixed plate is connected to the end of the sliding rod through a second ball joint structure. The sliding rod is located in the inner ring of the spherical bearing. The sliding rod can slide axially along the inner ring of the spherical bearing. The outer ring of the spherical bearing is fixedly connected to the fixed bracket through a bearing seat. Since the fixed plate and the fixed bracket are fixedly mounted on the assembly body or the fixed bracket during use, both ends of the adjustment beam are supported, and the structure of the adjustment mechanism is stable, which is conducive to the stable fixing of parts and is more suitable for installing parts in the gap position of the assembly body. Therefore, in this design, both ends of the adjustment beam are connected to the assembly body through a connecting structure, and the structure of the adjustment mechanism is stable and is more suitable for installing parts in the gap position of the assembly body.

[0028] 5. In the auxiliary positioning tooling of a wing fairing assembly of the present invention, the wing fairing assembly is carried by an upper U-shaped positioning plate and a lower U-shaped positioning plate. The upper U-shaped positioning plate and the lower U-shaped positioning plate are both provided with positioning surfaces that match the wing fairing assembly and positioning pins that match the pin holes on the wing fairing assembly, which can accurately position and adjust the wing fairing assembly; at the same time, since the bottom of the upper U-shaped positioning plate is fixedly connected to the top of the lower U-shaped positioning plate through a rotating shaft, and the rotating shaft is rotated with the adjustment beam body, the angle of the wing fairing assembly can also be adjusted within a certain range through the rotating shaft to achieve more accurate positioning and installation. Therefore, in this design, the wing fairing assembly is carried by the upper U-shaped positioning plate and the lower U-shaped positioning plate, and the angles of the upper U-shaped positioning plate and the lower U-shaped positioning plate are adjusted by the rotating shaft, so that the wing fairing assembly can be positioned and installed more accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the present invention.

[0030] Figure 2 It is a side view of the present invention.

[0031] Figure 3 It is a schematic diagram of the connection between the adjustment seat and the first ball joint structure.

[0032] Figure 4 It is a structural diagram of the regulating beam body.

[0033] Figure 5 It is a structural diagram of the adjustment block.

[0034] Figure 6 This is a schematic diagram of a spherical shaft installed inside an annular connecting sleeve.

[0035] Figure 7 It is a schematic diagram of the annular connecting sleeve and the movable rod.

[0036] Figure 8 is a schematic diagram of a spherical axis.

[0037] Figure 9 It is a schematic diagram of a spherical shaft connected to a pin.

[0038] Figure 10 It is a schematic diagram of the connection structure of the second ball joint structure.

[0039] Figure 11 Schematic diagram of the second ball joint structure.

[0040] Figure 12 It is a schematic diagram of the outer shell in the second ball joint structure.

[0041] Figure 13 It is a schematic diagram of assembling the ball head and the connecting rod.

[0042] Figure 14 yes Figure 1 A partial enlarged view of .

[0043] Figure 15 yes Figure 3 A partial enlarged view of .

[0044] Figure 16 It is a structural diagram of the positioning seat.

[0045] Figure 17 This is a schematic diagram of using tooling to assist in positioning the fairing assembly.

[0046] In the figure: fixed plate 1, first ball joint structure 2, spherical shaft 21, pin hole 211, annular connecting sleeve 22, pin 23, movable rod 24, pin bracket 25, adjusting beam 3, adjusting seat 31, adjusting beam body 32, X-direction translation mechanism 33, first slider 331, second slider 332, first dovetail slider 333, first dovetail groove 334, Y-direction translation mechanism 34, third slider 341, second dovetail slider 343, second dovetail groove 344, fourth slider 342, Z-direction translation mechanism 35, fifth slider 351, sixth slider 352, third dovetail slider 353, third dovetail groove 354, L-shaped bracket 36, adjustment block 4, screw Perforations 41, positioning bolts 42, positioning seat 5, upper U-shaped positioning plate 51, first vertical plate 511, second vertical plate 512, first horizontal plate 513, lower U-shaped positioning plate 52, third vertical plate 521, fourth vertical plate 522, second horizontal plate 523, rotating shaft 53, upper mounting plate 54, lower mounting plate 55, connecting plate 56, arc-shaped hole 57, connecting screw hole 58, positioning pin 59, second ball joint structure 6, outer shell 61, connecting rod 62, spherical inner cavity 63, assembly ball head 64, through hole 65, sliding rod 7, nut 71, spherical bearing 8, bearing seat 81, fixing bracket 9, wing fairing assembly 10, inner rib 101, transverse partition 102, outer rib 103. DETAILED DESCRIPTION

[0047] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0048] See also Figures 1 to 17 , a multi-degree-of-freedom adjustment mechanism, the adjustment mechanism includes a fixed plate 1, a first ball joint structure 2 and an adjustment beam 3, the fixed plate 1 is connected to the adjustment beam 3 through the first ball joint structure 2;

[0049] The adjustment beam 3 comprises an adjustment seat 31 and an adjustment beam body 32. One end of the adjustment seat 31 is connected to the first ball joint structure 2. The other end of the adjustment seat 31 is connected to one end of the adjustment beam body 32 via an X-direction translation mechanism 33, a Y-direction translation mechanism 34, and a Z-direction translation mechanism 35. The adjustment beam body 32 is used to support components to be installed on the assembly body. The other end of the adjustment beam body 32 is connected to the end of a sliding rod 7 via a second ball joint structure 6. The sliding rod 7 is located in the inner ring of a spherical bearing 8 and can slide axially along the inner ring of the spherical bearing 8. The outer ring of the spherical bearing 8 is fixedly connected to the fixed bracket 9 via a bearing seat 81.

[0050] The spherical bearing 8 is a bearing whose outer ring has a spherical outer surface. The inner surface of the bearing seat 81 is a spherical surface that matches the outer surface of the outer ring of the spherical bearing 8. The spherical bearing 8 has a self-aligning function.

[0051] The sliding rod 7 is provided with an external thread at one end of the far adjustment beam body 32, and the end of the sliding rod 7 provided with the external thread is threadedly matched with the nut 71. The side of the nut 71 near the second ball hinge structure 6 is limitedly matched with the spherical bearing 8 to prevent the sliding rod 7 from slipping out of the inner ring of the spherical bearing 8.

[0052] The second ball joint structure 6 includes a shell 61 and an assembly ball head 64. The interior of the shell 61 is a spherical inner cavity 63. The assembly ball head 64 is provided in the spherical inner cavity 63. The cavity wall of the spherical inner cavity 63 is a spherical surface that matches the outer surface of the assembly ball head 64. The assembly ball head 64 can rotate freely in the spherical inner cavity 63. The assembly ball head 64 is fixedly connected to one end of the connecting rod 62. The other end of the connecting rod 62 passes through a through hole 65 formed in the shell 61 and is fixedly connected to the end of the sliding rod 7. The connecting rod 62 can move in the through hole 65.

[0053] One end of the housing 61 distal to the through hole 65 is fixedly connected to the adjusting beam body 32 .

[0054] Because the assembly surface between the housing 61 and the assembly ball head 64 is spherical, the assembly ball head 64 can rotate freely within the spherical inner cavity 63, thereby allowing the connecting rod 62 to rotate freely in multiple directions with the center of the ball head 64 as the center of rotation. The second ball joint structure 6 can realize the movable connection between the adjustment beam 3 and the sliding rod 7. The end of the adjustment beam 3 is connected to the fixed bracket 9 through the second ball joint structure 6 and the sliding rod 7, and the fixed bracket 9 does not restrict the movement of the adjustment beam 3. When the position of the adjustment beam body 32 is adjusted by the positioning bolt 42 and the three translation mechanisms, the adjustment beam body 32 will drive the sliding rod 7 and the second ball joint structure 6 to move. The sliding rod 7 and the second ball joint structure 6 are both follower components.

[0055] The first ball joint structure 2 includes an annular connecting sleeve 22 and a movable rod 24 of an integrated structure, one end of the movable rod 24 is fixedly connected to the adjustment seat 31, and the other end of the movable rod 24 is fixedly connected to the annular connecting sleeve 34. The inner surface of the annular connecting sleeve 22 is a spherical surface, and a spherical shaft 21 is provided in the annular connecting sleeve 22. The outer surface of the spherical shaft 21 is a spherical surface that matches the inner surface of the annular connecting sleeve 22. A pin hole 211 is provided in the middle of the spherical shaft 21, and a pin 23 is provided in the pin hole 211. The inner wall of the pin hole 211 and the outer wall of the pin 23 can be an interference fit or a clearance fit. The end of the pin 23 is fixedly connected to the fixed plate 1 through a pin bracket 25. Since the assembly surface between the spherical shaft 21 and the annular connecting sleeve 22 is a spherical surface, the spherical shaft 21 can rotate freely in the annular connecting sleeve 22, so that the movable rod 24 can rotate in multiple directions with the center of the spherical shaft 21 as the rotation center, thereby realizing multi-directional rotation adjustment of the adjustment beam body 32.

[0056] like Figure 1 As shown, the X direction, the Y direction, and the Z direction are not coplanar, that is, a straight line along the X direction, a straight line along the Y direction, and a straight line along the Z direction cannot be translated to the same plane.

[0057] like Figure 1 、 Figure 4 As shown, the X-direction translation mechanism 33, the Y-direction translation mechanism 34, and the Z-direction translation mechanism 35 are all dovetail slides, each of which includes two sliding components, one of which is provided with a dovetail slot and the other is provided with a dovetail slider. Figure 14 As shown, each of the three dovetail slides is equipped with an adjustment handle, which can be used to adjust the sliding displacement between the two sliding assemblies in the dovetail slide. The three dovetail slides, namely the X-direction translation mechanism 33, the Y-direction translation mechanism, and the Z-direction translation mechanism, can adjust the relative position of the adjustment beam body 32 and the adjustment seat 31 within a certain range. The dovetail slides have high adjustment accuracy, making them particularly suitable for high-precision adjustment of the position of component assemblies during component installation.

[0058] The X-direction translation mechanism 33 includes a first slider 331 and a second slider 332. The outer side of the first slider 331 is fixedly connected to the adjustment seat 31. The inner side of the first slider 331 is fixedly provided with a first dovetail slider 333. The first dovetail slider 333 is located in a first dovetail groove 334 and can slide along the first dovetail groove 334. The first dovetail groove 334 is provided on the inner side of the second slider 332. The outer side of the second slider 332 is fixedly connected to the Y-direction translation mechanism 34.

[0059] The Y-direction translation mechanism 34 includes a third slider 341 and a fourth slider 342. The outer side of the third slider 341 is fixedly connected to the outer side of the second slider 332. A second dovetail slider 343 is fixedly provided on the inner side of the third slider 341. The second dovetail slider 343 is located in a second dovetail groove 344 and can slide along the second dovetail groove 344. The second dovetail groove 344 is provided on the inner side of the fourth slider 342. The outer side of the fourth slider 342 is fixedly connected to the bottom of the L-shaped bracket 36.

[0060] The Z-direction translation mechanism 35 includes a fifth slider 351 and a sixth slider 352. The outer side of the fifth slider 351 is fixedly connected to the side of the L-shaped bracket 36. The inner side of the fifth slider 351 is fixedly provided with a third dovetail slider 353. The third dovetail slider 353 is located in the third dovetail groove 354. The third dovetail slider 353 can slide along the third dovetail groove 354. The third dovetail groove 354 is opened on the inner side of the sixth slider 352. The outer side of the sixth slider 352 is fixedly connected to the side of the adjustment beam body 32.

[0061] The first dovetail groove 334 is opened along the X direction, the second dovetail groove 344 is opened along the Y direction, and the third dovetail groove 354 is opened along the Z direction.

[0062] The adjustment mechanism also includes multiple adjustment blocks 4, which are arranged around the first ball joint structure 2. The adjustment blocks 4 are fixed on the fixed plate 1. Each adjustment block 4 is provided with a threaded hole 41. A positioning bolt 42 is provided in the threaded hole 41 and is threadedly engaged with the positioning bolt 42. The screw of the positioning bolt 42 passes through the threaded hole 41 and is limitedly engaged with the adjustment seat 31.

[0063] like Figure 3 、 Figure 5As shown, the cross-section of the adjustment seat 31 is square, and a total of four adjustment blocks 4 are provided on the fixed plate 1. The four adjustment blocks 4 are opposite each other in pairs, and each adjustment block 4 faces a side surface of the adjustment seat 31. The adjustment seat 31 is located within the area surrounded by the four adjustment blocks 4. Each adjustment block 4 has two threaded holes 41, wherein each threaded hole 41 is provided with a positioning bolt 42. The positioning bolt 42 is used to fix the position of the adjustment seat 31. When the positioning bolt 42 is rotated, the screw of the positioning bolt 42 moves along the axial direction of the threaded hole 41. The end of the screw of the positioning bolt 42 abuts the side surface of the adjustment seat 31, causing the posture of the adjustment seat 31 to change. The positioning bolt 42 can accurately adjust the angle and position of the adjustment seat 31. When the adjustment of the adjustment seat 31 is completed, the positioning bolt 42 maintains the position of the adjustment seat 31 unchanged, thereby playing a positioning role.

[0064] The fixing plate 1 and the fixing bracket 9 are fixedly connected to the assembly body. Figure 17 As shown, the assembly body, i.e., the fuselage of the aircraft, is connected between the fixing plate 1 and the fixing bracket 9. The adjusting beam body 32 is used to carry the parts that need to be installed on the assembly body, i.e., the wing fairing assembly 10. The multi-degree-of-freedom adjustment mechanism is suitable for installing new parts between two components of the assembly body. At the same time, since supports are provided at both ends of the adjusting beam body 32, it is more suitable for the installation of parts with larger mass. Due to the setting of the ball joint structure at both ends of the adjusting beam body 32, the angle of the adjusting beam body 32 can be arbitrarily adjusted within a certain range, and the angle of the parts carried by the adjusting beam body 32 can also be precisely adjusted relative to the assembly body. At the same time, the displacement of the parts is adjusted in conjunction with the X-direction translation mechanism 33, the Y-direction translation mechanism 34, and the Z-direction translation mechanism 35 to achieve multi-degree-of-freedom coordinated adjustment of the part position.

[0065] like Figure 2 、 Figure 3 As shown, an auxiliary positioning tool for a wing fairing assembly, the auxiliary positioning tool also includes a positioning seat 5, the positioning seat 5 includes an upper U-shaped positioning plate 51 and a lower U-shaped positioning plate 52, the upper U-shaped positioning plate 51 is located above the adjusting beam body 32, the bottom of the upper U-shaped positioning plate 51 is fixedly connected to the top of the lower U-shaped positioning plate 52 through a rotating shaft 53, the lower U-shaped positioning plate 52 is located below the adjusting beam body 32, the rotating shaft 53 rotates with the adjusting beam body 32, the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are connected to form a relatively fixed whole through the rotating shaft 53, no relative rotation occurs between the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52, the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 can rotate synchronously with respect to the adjusting beam body 32 with the rotating shaft 53 as the center, as shown in FIG. Figure 2 、 Figure 4 As shown, the central axis of the rotating shaft 53 is arranged perpendicular to the adjusting beam body 32 .

[0066] The upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are both provided with positioning surfaces that cooperate with the wing fairing assembly 10. The upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are both provided with positioning pins 59 that cooperate with the pin holes on the wing fairing assembly 10. The wing fairing assembly 10 can be fixed to the adjustment beam body 32 for positioning through the positioning surfaces and the positioning pins 59. Since the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 can rotate synchronously with respect to the adjustment beam body 32 with the rotation axis 53 as the center, the positioning seat 5 can drive the wing fairing assembly to rotate with the rotation axis 53 as the center. Since the first ball joint structure 2 is far from the center of gravity of the wing fairing assembly, while the rotation axis 53 is close to the center of gravity of the wing fairing assembly, the position of the fairing assembly is prevented from being significantly offset by relying solely on the first ball joint structure 2 to drive the rotation of the wing fairing assembly. Adjustment of the fairing assembly by using the auxiliary positioning tool is more accurate and convenient.

[0067] like Figure 16 、 Figure 17 As shown, the fixing plate 1 and the fixing bracket 9 are both fixed to the front crossbeam of the aircraft fuselage. The upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are used to support the wing fairing assembly 10. The wing fairing assembly 10 includes an inner rib 101, a transverse partition 102, and an outer rib 103 connected together. The upper U-shaped positioning plate 51 includes a first vertical plate 511, a second vertical plate 512, and a first transverse plate 513. The bottom of the first vertical plate 511 is fixedly connected to one side of the first transverse plate 513, and the other side of the first transverse plate 513 is fixedly connected to the bottom of the second vertical plate 512.

[0068] The lower U-shaped positioning plate 52 includes a third vertical plate 521, a fourth vertical plate 522 and a second horizontal plate 523. The top of the third vertical plate 521 is fixedly connected to one side of the second horizontal plate 523, and the other side of the second horizontal plate 523 is fixedly connected to the top of the fourth vertical plate 522. The middle part of the first horizontal plate 513 is fixedly connected to the middle part of the second horizontal plate 523 through the rotating shaft 53.

[0069] The side of the first vertical plate 511 facing the second vertical plate 512 and the side of the third vertical plate 521 facing the fourth vertical plate 522 are both positioning surfaces that fit with the horizontal partition 102. The first vertical plate 511 and the third vertical plate 521 are both provided with positioning pins 59 that match with the pin holes on the horizontal partition 102. The side of the fourth vertical plate 522 facing away from the third vertical plate 521 is a positioning surface that fits with the inner rib 101. The fourth vertical plate 522 is provided with positioning pins 59 that match with the pin holes on the inner rib 101. Figure 16 、 17 As shown, the rotation axis 53 is closer to the center of the fairing assembly, and the fairing assembly can be rotated and adjusted more conveniently through the positioning seat 5.

[0070] The positioning seat 5 also includes an upper mounting plate 54 and a lower mounting plate 55, one side of the upper mounting plate 54 is fixedly connected to the top of the adjusting beam body 32, and the other side of the upper mounting plate 54 is rotatably matched with the rotating shaft 53, one side of the lower mounting plate 55 is fixedly connected to the bottom of the adjusting beam body 32, and the other side of the lower mounting plate 55 is rotatably matched with the rotating shaft 53; the rotating shaft 53 and the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are connected by the upper mounting plate 54 and the lower mounting plate 55, so that the rotating shaft 53, the upper U-shaped positioning plate 51, the lower U-shaped positioning plate 52 can be prevented from interfering with the adjusting seat 31 and the adjusting block 4, so that the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 can rotate relative to the adjusting beam body 32.

[0071] A connecting plate 56 is fixedly provided on the outer side of the upper U-shaped positioning plate 51. Figure 3 、 Figure 15 As shown, the connecting plate 56 is arranged perpendicular to the rotating shaft 53, and an arc-shaped hole 57 is provided on the connecting plate 56. The central axis of the arc-shaped hole 57 is located on a circle with a point on the central axis of the rotating shaft 53 as the center. A connecting screw hole 58 is provided on the upper mounting plate 54 to match the arc-shaped hole 57. When in use, the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are first rotated relative to the adjusting beam body 32 through the rotating shaft 53 to adjust the position and angle of the wing fairing assembly 10 fixed on the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52. After adjustment, the connecting plate 56 can be fixed to the upper mounting plate 54 using screws. At this time, the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are both fixed on the adjusting beam body 32. When fixing the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 , the screw rod portion of the screw passes through the arc hole 57 and enters the connecting screw hole 58 , and the screw is tightened to connect and fix the connecting plate 56 to the upper mounting plate 54 .

[0072] The principle of the present invention is described as follows:

[0073] When the wing fairing assembly is assembled to the aircraft body, the wing fairing assembly 10 is fixed to the adjustment beam body 32 through the positioning seat 5, and the auxiliary positioning tool is installed on the front crossbeam of the aircraft fuselage through the fixing plate 1 and the fixing bracket 9.

[0074] During the assembly process, the positioning bolt 42 installed on the adjustment block 4 is rotated until the end of the screw of the positioning bolt 42 abuts against the outer surface of the adjustment seat 31. The posture of the adjustment seat 31 is adjusted by the positioning bolts 42 on multiple adjustment blocks 4. The first ball joint structure 2, the second ball joint structure 6 and the spherical bearing 8 can ensure that the adjustment beam 3 can be flexibly rotated relative to the fixed plate 1 and the fixed bracket 9; at the same time, the position of the adjustment beam body 32 and the wing fairing assembly 10 fixed on the adjustment beam body 32 can be changed through the X-direction translation mechanism 33, the Y-direction translation mechanism 34, and the Z-direction translation mechanism 35. The position and angle of the fairing assembly can be accurately adjusted by the auxiliary positioning tooling and then it can be assembled.

[0075] Example 1:

[0076] A multi-degree-of-freedom adjustment mechanism, the adjustment mechanism includes a fixed plate 1, a first ball joint structure 2 and an adjustment beam 3, the fixed plate 1 is connected to the adjustment beam 3 through the first ball joint structure 2; the adjustment beam 3 includes an adjustment seat 31 and an adjustment beam body 32, one end of the adjustment seat 31 is connected to the first ball joint structure 2, and the other end of the adjustment seat 31 is connected to one end of the adjustment beam body 32 through an X-direction translation mechanism 33, a Y-direction translation mechanism 34, and a Z-direction translation mechanism 35 in sequence, the adjustment beam body 32 is used to carry parts that need to be installed on the assembly body, and the other end of the adjustment beam body 32 is connected to the end of the sliding rod 7 through a second ball joint structure 6, the sliding The rod 7 is located in the inner ring of the spherical bearing 8, and the sliding rod 7 can slide axially along the inner ring of the spherical bearing 8. The outer ring of the spherical bearing 8 is fixedly connected to the fixed bracket 9 through the bearing seat 81; one end of the sliding rod 7 is far-adjusting to the beam body 32 and an external thread is provided, and the end of the sliding rod 7 with the external thread is threadedly matched with the nut 71; the second ball hinge structure 6 includes an outer shell 61 and an assembly ball head 64, the interior of the outer shell 61 is a spherical inner cavity 63, and an assembly ball head 64 is provided in the spherical inner cavity 63, and the cavity wall of the spherical inner cavity 63 is a spherical surface that matches the outer surface of the assembly ball head 64, and the assembly ball head 64 is fixedly connected to one end of the connecting rod 62, and the other end of the connecting rod 62 passes through the opening The through hole 65 provided on the outer shell 61 is fixedly connected to the end of the sliding rod 7; one end of the outer shell 61 is fixedly connected to the adjusting beam body 32; the first ball hinge structure 2 includes an annular connecting sleeve 22 and a movable rod 24 of an integrated structure, one end of the movable rod 24 is fixedly connected to the adjusting seat 31, and the other end of the movable rod 24 is fixedly connected to the annular connecting sleeve 22, and a spherical shaft 21 is provided inside the annular connecting sleeve 22, and the inner surface of the annular connecting sleeve 22 is a spherical surface that matches the outer surface of the spherical shaft 21, and a pin hole 211 is provided in the middle of the spherical shaft 21, and a pin 23 is provided in the pin hole 211, and the end of the pin 23 is passed through a pin bracket. 25 is fixedly connected to the fixing plate 1; the adjusting mechanism also includes a plurality of adjusting blocks 4, and the plurality of adjusting blocks 4 are arranged around the first ball joint structure 2. The adjusting blocks 4 are fixedly arranged on the fixing plate 1, and a threaded hole 41 is provided on the adjusting block 4, and a positioning bolt 42 which is threadedly matched with the threaded hole 41 is provided in the threaded hole 41, and the screw of the positioning bolt 42 passes through the threaded hole 41 and is limitedly matched with the adjusting seat 31; four adjusting blocks 4 are fixedly provided on the fixing plate 1, and the four adjusting blocks 4 are arranged opposite to each other in pairs, and the adjusting seat 31 is located in the area surrounded by the four adjusting blocks 4, and each of the adjusting blocks 4 is provided with two threaded holes 41, and a positioning bolt 42 is provided in each threaded hole 41.

[0077] Example 2:

[0078] Example 2 is basically the same as Example 1, except that:

[0079] One end of the adjustment seat 31 far from the first ball joint structure 2 is fixedly connected to one side of the X-direction translation mechanism 33, the other side of the X-direction translation mechanism 33 is fixedly connected to one side of the Y-direction translation mechanism 34, the other side of the Y-direction translation mechanism 34 is fixedly connected to the bottom of the L-shaped bracket 36, the side of the L-shaped bracket 36 is fixedly connected to one side of the Z-direction translation mechanism 35, and the other side of the Z-direction translation mechanism 35 is fixedly connected to the side of the adjustment beam body 32; the X-direction translation mechanism 33 includes the first A slider 331 and a second slider 332, the outer side of the first slider 331 is fixedly connected to the adjustment seat 31, the inner side of the first slider 331 is fixedly provided with a first dovetail slider 333, the first dovetail slider 333 is located in the first dovetail groove 334, the first dovetail slider 333 can slide along the first dovetail groove 334, the first dovetail groove 334 is opened on the inner side of the second slider 332, the outer side of the second slider 332 is fixedly connected to the Y-direction translation mechanism 34; the Y-direction translation mechanism 34 includes The third slider 341 and the fourth slider 342, the outer side of the third slider 341 is fixedly connected to the outer side of the second slider 332, the inner side of the third slider 341 is fixedly provided with a second dovetail slider 343, the second dovetail slider 343 is located in the second dovetail groove 344, the second dovetail slider 343 can slide along the second dovetail groove 344, the second dovetail groove 344 is opened on the inner side of the fourth slider 342, the outer side of the fourth slider 342 is fixedly connected to the bottom of the L-shaped bracket 36; the Z-direction plane The shifting mechanism 35 includes a fifth slider 351 and a sixth slider 352. The outer side of the fifth slider 351 is fixedly connected to the side of the L-shaped bracket 36. The inner side of the fifth slider 351 is fixedly provided with a third dovetail slider 353. The third dovetail slider 353 is located in the third dovetail groove 354. The third dovetail slider 353 can slide along the third dovetail groove 354. The third dovetail groove 354 is opened on the inner side of the sixth slider 352. The outer side of the sixth slider 352 is fixedly connected to the side of the adjustment beam body 32.

[0080] Example 3:

[0081] An auxiliary positioning tool for a wing fairing assembly, the auxiliary positioning tool includes the multi-degree-of-freedom adjustment mechanism in Example 1 or 2, the auxiliary positioning tool also includes a positioning seat 5, the positioning seat 5 includes an upper U-shaped positioning plate 51 and a lower U-shaped positioning plate 52, the upper U-shaped positioning plate 51 is located above the adjustment beam body 32, the bottom of the upper U-shaped positioning plate 51 is fixedly connected to the top of the lower U-shaped positioning plate 52 through a rotating shaft 53, the lower U-shaped positioning plate 52 is located below the adjustment beam body 32, and the rotating shaft 53 rotates with the adjustment beam body 32; the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are both provided with a positioning surface that matches the wing fairing assembly 10, and the upper U-shaped positioning plate 51 and the lower U-shaped positioning plate 52 are both provided with a positioning surface that matches the wing fairing assembly 10 There is a locating pin 59 that cooperates with the pin hole on the wing fairing assembly 10; the locating seat 5 also includes an upper mounting plate 54 and a lower mounting plate 55, one side of the upper mounting plate 54 is fixedly connected to the top of the adjusting beam body 32, and the other side of the upper mounting plate 54 is rotatably matched with the rotating shaft 53, one side of the lower mounting plate 55 is fixedly connected to the bottom of the adjusting beam body 32, and the other side of the lower mounting plate 55 is rotatably matched with the rotating shaft 53; a connecting plate 56 is fixedly provided on the outer side of the upper U-shaped locating plate 51, and an arc-shaped hole 57 is provided on the connecting plate 56, the central axis of the arc-shaped hole 57 is located on a circle with a point on the central axis of the rotating shaft 53 as the center, and a connecting screw hole 58 that cooperates with the arc-shaped hole 57 is provided on the upper mounting plate 54.

[0082] The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment. Any equivalent modifications or changes made by ordinary technicians in this field based on the contents disclosed in the present invention should be included in the protection scope recorded in the claims.

Claims

1. A wing fairing assembly auxiliary positioning tool, characterized by: The auxiliary positioning tooling includes a multi-degree-of-freedom adjustment mechanism; The adjustment mechanism comprises a fixed plate (1), a first ball joint structure (2) and an adjustment beam (3), wherein the fixed plate (1) is connected to the adjustment beam (3) via the first ball joint structure (2); The adjusting crossbeam (3) comprises an adjusting seat (31) and an adjusting beam body (32), one end of the adjusting seat (31) is connected to the first ball joint structure (2), and the other end of the adjusting seat (31) is connected to the adjusting beam body (32) via an X-direction translation mechanism (33), a Y-direction translation mechanism (34), and a Z-direction translation mechanism (35) in sequence, and the adjusting beam body (32) is used to carry parts that need to be installed on the assembly body; The auxiliary positioning fixture further comprises a positioning seat (5), the positioning seat (5) comprising an upper U-shaped positioning plate (51) and a lower U-shaped positioning plate (52), the upper U-shaped positioning plate (51) being located above the adjusting beam body (32), the bottom of the upper U-shaped positioning plate (51) being fixedly connected to the top of the lower U-shaped positioning plate (52) via a rotating shaft (53), the lower U-shaped positioning plate (52) being located below the adjusting beam body (32), the rotating shaft (53) being rotatably matched with the adjusting beam body (32); The upper U-shaped positioning plate (51) and the lower U-shaped positioning plate (52) are both provided with positioning surfaces that match the wing fairing assembly (10), and the upper U-shaped positioning plate (51) and the lower U-shaped positioning plate (52) are both provided with positioning pins (59) that match the pin holes on the wing fairing assembly (10).

2. The auxiliary positioning tool for a wing fairing assembly according to claim 1, characterized in that: The adjustment mechanism further comprises a plurality of adjustment blocks (4), wherein the plurality of adjustment blocks (4) are arranged around the first ball joint structure (2), and the adjustment blocks (4) are fixedly arranged on the fixed plate (1). A threaded hole (41) is provided on the adjustment block (4), and a positioning bolt (42) threadedly engaged with the threaded hole (41) is provided in the threaded hole (41), and the screw of the positioning bolt (42) passes through the threaded hole (41) and is limitedly engaged with the adjustment seat (31).

3. The auxiliary positioning tool for a wing fairing assembly according to claim 2, characterized in that: Four adjustment blocks (4) are fixedly arranged on the fixed plate (1), and the four adjustment blocks (4) are arranged opposite to each other in pairs. The adjustment seat (31) is located in the area surrounded by the four adjustment blocks (4), and each adjustment block (4) is provided with two threaded holes (41), and a positioning bolt (42) is arranged in each threaded hole (41).

4. A wing fairing assembly auxiliary positioning tool according to any one of claims 1 to 3, characterized in that: One end of the adjusting beam body (32) away from the adjusting seat (31) is connected to the end of the sliding rod (7) through a second ball joint structure (6); the sliding rod (7) is located in the inner ring of the spherical bearing (8); the sliding rod (7) can slide along the axial direction of the inner ring of the spherical bearing (8); the outer ring of the spherical bearing (8) is fixedly connected to the fixed bracket (9) through the bearing seat (81); One end of the sliding rod (7) that is distal to the adjustment beam main body (32) is provided with an external thread, and the end of the sliding rod (7) provided with the external thread is threadably engaged with the nut (71).

5. The auxiliary positioning tool for a wing fairing assembly according to claim 4, characterized in that: The second ball joint structure (6) includes a shell (61) and an assembly ball head (64), the interior of the shell (61) is a spherical inner cavity (63), the assembly ball head (64) is provided in the spherical inner cavity (63), the cavity wall of the spherical inner cavity (63) is a spherical surface that matches the outer surface of the assembly ball head (64), the assembly ball head (64) is fixedly connected to one end of the connecting rod (62), and the other end of the connecting rod (62) passes through a through hole (65) provided on the shell (61) and is fixedly connected to the end of the sliding rod (7); One end of the housing (61) distal to the through hole (65) is fixedly connected to the regulating beam body (32).

6. A wing fairing assembly auxiliary positioning tool according to any one of claims 1 to 3, characterized in that: The first ball joint structure (2) includes an annular connecting sleeve (22) and a movable rod (24) of an integrated structure, one end of the movable rod (24) is fixedly connected to the adjustment seat (31), and the other end of the movable rod (24) is fixedly connected to the annular connecting sleeve (22), a spherical shaft (21) is provided inside the annular connecting sleeve (22), the inner surface of the annular connecting sleeve (22) is a spherical surface that matches the outer surface of the spherical shaft (21), a pin hole (211) is provided in the middle of the spherical shaft (21), a pin (23) is provided in the pin hole (211), and an end of the pin (23) is fixedly connected to the fixed plate (1) through a pin bracket (25).

7. A wing fairing assembly auxiliary positioning tool according to any one of claims 1 to 3, characterized in that: One end of the adjustment seat (31) far from the first ball joint structure (2) is fixedly connected to one side of the X-direction translation mechanism (33), the other side of the X-direction translation mechanism (33) is fixedly connected to one side of the Y-direction translation mechanism (34), the other side of the Y-direction translation mechanism (34) is fixedly connected to the bottom of the L-shaped bracket (36), the side of the L-shaped bracket (36) is fixedly connected to one side of the Z-direction translation mechanism (35), and the other side of the Z-direction translation mechanism (35) is fixedly connected to the side of the adjustment beam body (32).

8. The auxiliary positioning tool for a wing fairing assembly according to claim 7, characterized in that: The X-direction translation mechanism (33) comprises a first slider (331) and a second slider (332), the outer side of the first slider (331) being fixedly connected to the adjustment seat (31), the inner side of the first slider (331) being fixedly provided with a first dovetail slider (333), the first dovetail slider (333) being located in a first dovetail groove (334), the first dovetail slider (333) being able to slide along the first dovetail groove (334), the first dovetail groove (334) being provided on the inner side of the second slider (332), and the outer side of the second slider (332) being fixedly connected to the Y-direction translation mechanism (34); The Y-direction translation mechanism (34) includes a third slider (341) and a fourth slider (342), the outer side of the third slider (341) is fixedly connected to the outer side of the second slider (332), the inner side of the third slider (341) is fixedly provided with a second dovetail slider (343), the second dovetail slider (343) is located in the second dovetail groove (344), the second dovetail slider (343) can slide along the second dovetail groove (344), the second dovetail groove (344) is opened on the inner side of the fourth slider (342), and the outer side of the fourth slider (342) is fixedly connected to the bottom of the L-shaped bracket (36); The Z-direction translation mechanism (35) includes a fifth slider (351) and a sixth slider (352), the outer side of the fifth slider (351) is fixedly connected to the side of the L-shaped bracket (36), and the inner side of the fifth slider (351) is fixedly provided with a third dovetail slider (353), the third dovetail slider (353) is located in the third dovetail groove (354), and the third dovetail slider (353) can slide along the third dovetail groove (354), the third dovetail groove (354) is opened on the inner side of the sixth slider (352), and the outer side of the sixth slider (352) is fixedly connected to the side of the adjustment beam body (32).

9. The auxiliary positioning tool for a wing fairing assembly according to claim 8, characterized in that: The positioning seat (5) further comprises an upper mounting plate (54) and a lower mounting plate (55), one side of the upper mounting plate (54) being fixedly connected to the top of the adjusting beam body (32), and the other side of the upper mounting plate (54) being rotationally engaged with the rotating shaft (53), and one side of the lower mounting plate (55) being fixedly connected to the bottom of the adjusting beam body (32), and the other side of the lower mounting plate (55) being rotationally engaged with the rotating shaft (53); A connecting plate (56) is fixedly provided on the outer side of the upper U-shaped positioning plate (51), and an arc-shaped hole (57) is provided on the connecting plate (56). The central axis of the arc-shaped hole (57) is located on a circumference with a point on the central axis of the rotating shaft (53) as the center. A connecting screw hole (58) that matches the arc-shaped hole (57) is provided on the upper mounting plate (54).

Images