Turnover-angle-adjustable flexible transfer tool for stringer workpieces

Abstract

The utility model discloses a turnover angle adjustable stringer workpiece flexible transfer tool which comprises a plurality of tool units, the tool units are connected end to end, and the two ends of the whole tool units are connected with square shaft lifting appliances. The tool unit comprises a main body middle plate, main body vertical plates and main body side plates, and the main body vertical plates are fixedly connected to the two ends of the main body middle plate; the main body side plates are arranged on the two sides of the main body middle plate correspondingly and rotationally connected with the main body vertical plate. The main body middle plate and the main body side plates are connected with a plurality of vacuum suction cup assemblies, and stringers are adsorbed to the lower ends of the vacuum suction cup assemblies; the outer end of the main body vertical plate is rotationally connected with an overturning ratchet wheel; the overturning ratchet wheel is fixedly connected with the square shaft lifting appliance; a clamping mechanism is arranged on the main body vertical plate and makes contact with the overturning ratchet wheel. The installation angle of the stringer can be adjusted according to the length of the stringer, installation errors are reduced, and flexibility is high.

Description

Technical Field

[0001] The utility model relates to a long-beam workpiece flexible transport tool with adjustable flipping angle, belonging to the technical field of long-beam workpiece flexible transport tool. Background Art

[0002] Carbon fiber composite materials are widely used in the aerospace field, especially in the field of large aircraft manufacturing, due to their high specific strength / specific stiffness, fatigue resistance, good designability and easy overall forming. Composite long stringer parts are the main load-bearing structure of the fuselage of large aircraft. The middle fuselage section includes multiple long stringer reinforced panels with similar structures. Both use the autoclave molding process to co-cure large-size curved skins and long stringer parts.

[0003] Composite fuselage panels are composite structural parts made of long stringers and curved skins that are co-cured or co-glued. The assembly relationship is relatively complex, and strict requirements are imposed on the deformation size, thickness tolerance, assembly surface accuracy, positioning accuracy, and internal quality of the molding. At present, there are few tooling for transporting long stringers of complex shapes in China. During the installation of long stringers and curved skins, the installation angle cannot be adjusted and can only be done manually, which is not only time-consuming and labor-intensive, but also prone to errors during the transportation and installation process, causing deformation of the long stringers and affecting the overall performance of the fuselage. Utility Model Content

[0004] The purpose of the utility model is to provide a flexible transport tool for long-beam workpieces with adjustable flip angle. The utility model can adjust the angle of the long beam during installation and can be adjusted according to the length of the long beam, thereby reducing installation errors and having high flexibility.

[0005] The technical solution of the utility model: a flexible transfer tool for long-string workpieces with adjustable flipping angle, comprising at least one tooling unit; the tooling unit comprises a main body middle plate, a main body vertical plate and a main body side plate, the main body vertical plate is fixedly connected to the two ends of the main body middle plate; the main body side plates are respectively arranged on both sides of the main body middle plate and are rotatably connected to the main body vertical plate; the main body middle plate and the main body side plates are both connected with a plurality of vacuum suction cup assemblies, and the vacuum suction cup assemblies are used to adsorb the long stringer; the outer end of the main body vertical plate is connected with a square shaft hanger; a flip ratchet is arranged between the main body vertical plate and the square shaft hanger; the main body vertical plate is also provided with a clamping mechanism that cooperates with the flip ratchet.

[0006] The above-mentioned long-beam workpiece flexible transfer tooling with adjustable flipping angle, the locking mechanism includes a first sliding groove arranged at the outer end of the main vertical plate and located on the side of the flip ratchet, and a spring is symmetrically arranged in the first sliding groove, and the other end of the spring is connected to the ratchet fixed tooth, and the ratchet fixed tooth is in contact with the flip ratchet.

[0007] The aforementioned long-beam workpiece flexible transfer tooling with adjustable flip angle has a circular groove on the ratchet fixing tooth; the inner end of the main body vertical plate is provided with a semicircular groove, and an adjustment paddle is rotatably connected in the semicircular groove, and the adjustment paddle passes through the main body vertical plate and is connected to a cam located in the circular groove.

[0008] The aforementioned long-beam workpiece flexible transfer tooling with adjustable flipping angle has a square hole in the center of the flip ratchet; a cover plate located outside the flip ratchet and the locking mechanism is connected to the main body vertical plate, and a circular groove is provided on the cover plate, which corresponds to the square hole.

[0009] The aforementioned long-beam workpiece flexible transfer tooling with adjustable flipping angle, the square shaft hanger has a square shaft, the square shaft matches the square hole; the square shaft passes through the square hole and is connected with a connecting nut.

[0010] The aforementioned long-beam workpiece flexible transfer tooling with adjustable flipping angle, the second sliding grooves are symmetrically arranged on the middle plate of the main body; the third sliding grooves are symmetrically arranged on the side plates of the main body; the vacuum suction cup assembly is arranged on the second sliding groove and the third sliding groove.

[0011] The aforementioned long-beam workpiece flexible transfer tooling with adjustable flipping angle, the vacuum suction cup assembly is provided with clamping nuts located at the upper and lower sides of the second sliding groove and the third sliding groove, respectively.

[0012] The aforementioned flexible transfer tooling for long-beam workpieces with adjustable flipping angles, the main body vertical plates are symmetrically provided with first connecting grooves, hinged bolts are hinged in the first connecting grooves, the hinge bolts pass through the main body vertical plates and are fixedly connected to the main body side plates on the same side; the main body vertical plates are symmetrically provided with arc grooves, the arc grooves are slidably connected with fastening bolts, and the fastening bolts are fixedly connected to the main body side plates on the same side.

[0013] The aforementioned long-beam workpiece flexible transfer tooling with adjustable flipping angle, the upper part of the square shaft hanger is symmetrically connected with eye bolts.

[0014] The aforementioned long-beam workpiece flexible transfer tooling with adjustable flipping angle has connection holes symmetrically arranged on the main body vertical plates; the main body vertical plates between adjacent tooling units are aligned and connected with connection bolts in the connection holes.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model determines the number of tooling units required according to the length of the long stringer to be transported, and these tooling units are fixedly connected head to tail into a whole, and then upper shaft hoists are installed at both ends of the connected tooling units, and the square shaft hoists are connected to the external lifting equipment. The external lifting equipment moves the utility model to the top of the long stringer to be transported, adsorbs the long stringer through the vacuum suction cup assembly, and then moves the long stringer to the place where it needs to be installed. By turning the flip ratchet, the main body middle plate, the main body vertical plate and the main body side plate are flipped at the same time. After turning to the appropriate angle, the flip ratchet is fixed by the clamping mechanism, so that the long stringer is rotated and fixed to the required angle to meet the installation angle requirements during the installation of the long stringer component to the curved surface skin, and then it is installed.

[0017] 2. The positioning mechanism of the utility model controls the rotation of the cam by turning the adjustment paddle, and the spring is always in a compressed state. When the angle of the tooling unit needs to be adjusted, the adjustment paddle is turned to make the direction of the cam's long axis opposite to the direction of the spring force, that is, the spring compression is the largest, at this time the ratchet fixed teeth are separated from the flip ratchet, and the main body middle plate and the main body vertical plate can rotate around the flip ratchet; when it is rotated to the required angle, the adjustment paddle is turned to make the direction of the cam's long axis consistent with the direction of the spring force, and the spring force causes the ratchet fixed teeth to slide along the first sliding groove and engage with the flip ratchet, so that the flip ratchet cannot rotate, thereby fixing the main body middle plate and the main body vertical plate at the set position.

[0018] 3. In the utility model, by sliding the vacuum suction cup assembly on the second sliding groove and the third sliding groove, the spacing between the vacuum suction cup assemblies can be changed according to actual needs, and the vacuum suction cup assembly can be moved up and down to meet the different heights of the upper surface of the long stringer, and then the clamping nut is tightened to make it close to the upper and lower sides of the main body middle plate or the main body side plate, so as to fix the vacuum suction cup assembly.

[0019] 4. In the utility model, the side panels of the main body can be rotated along the hinge bolts in the first connecting groove of the main body vertical plate by loosening the fastening bolts, and the fastening bolts slide in the arc groove. After rotating to a set angle, the fastening bolts are tightened to fix the side panels of the main body, which is used to meet the needs of long beams with different cap foot angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the tooling unit;

[0022] Figure 3 It is a structural schematic diagram of the main body middle plate and the main body vertical plate;

[0023] Figure 4 It is a structural schematic diagram of the outer end of the main vertical plate;

[0024] Figure 5 It is a structural diagram of the inner end of the main vertical plate.

[0025] The marks in the accompanying drawings are: 1-tooling unit, 2-square shaft hanger, 3-main body middle plate, 4-main body vertical plate, 5-main body side plate, 6-vacuum suction cup assembly, 7-long beam, 8-flip ratchet, 9-locking mechanism, 10-first sliding groove, 11-spring, 12-ratchet fixing tooth, 13-circular groove, 14-semicircular groove, 15-adjusting paddle, 16-cam, 17-square hole, 18-cover plate, 19-circular groove, 20-square shaft, 21-connecting nut, 22-second sliding groove, 23-third sliding groove, 24-clamping nut, 25-first connecting groove, 26-hinged bolt, 27-arc groove, 28-fastening bolt, 29-eye bolt, 30-connecting hole, 31-connecting bolt. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0027] Embodiment: A flexible transport tool for long-beam workpieces with adjustable flip angle, comprising: Figure 1-5 As shown, it includes at least one tooling unit 1. The number of tooling units 1 is determined by the length of the long stringer 7. The minimum number of tooling units 1 is one. When multiple tooling units 1 are required, the tooling units 1 are connected end to end. The tooling unit 1 includes a main body middle plate 3, a main body vertical plate 4 and a main body side plate 5. The main body vertical plate 4 is fixedly connected to both ends of the main body middle plate 3. The main body vertical plate 4 is symmetrically provided with connecting holes 30. This embodiment is specifically described with two tooling units 1. The main body vertical plates 4 between adjacent tooling units 1 are aligned and connected with connecting bolts 31 in the connecting holes 30. Figure 2 As shown, the main body side panels 5 are respectively arranged on both sides of the main body middle panel 3 and are rotatably connected with the main body vertical panel 4; a plurality of vacuum suction cup assemblies 6 are connected to the main body middle panel 3 and the main body side panels 5, and the vacuum suction cup assemblies 6 are used for the long stringer 7; after the two working units 1 are connected, the outer ends of the main body vertical panels 4 at both ends are connected with the square shaft hanger 2; a flip ratchet 8 is arranged between the main body vertical panel 4 and the square shaft hanger 2, and a square hole 17 is arranged at the center of the flip ratchet 8; a cover plate 18 located on the outside of the flip ratchet 8 and the locking mechanism 9 is connected to the main body vertical panel 4, and a circular groove 13 is arranged on the cover plate 18, and the circular groove 13 corresponds to the square hole 17. The square shaft hanger 2 has a square shaft 20, and the square shaft 20 passes through the circular groove 13 and cooperates with the square hole 17; the square shaft 20 passes through the square hole 17 and is connected with a connecting nut 21, and the connecting nut 21 is used for the fixed connection between the flip ratchet 8 and the square shaft 20; as shown Figure 3As shown, a locking mechanism 9 is provided on the main body vertical plate 4, and the locking mechanism 9 is in contact with the flip ratchet 8. The main body middle plate 3 is symmetrically provided with second sliding grooves 22; the main body side plates 5 are symmetrically provided with third sliding grooves 23; the vacuum suction cup assembly 6 is arranged on the second sliding groove 22 and the third sliding groove 23. The vacuum suction cup assembly 6 is provided with clamping nuts 24 located on the upper and lower sides of the second sliding groove 22 and the third sliding groove 23. The vacuum suction cup assembly 6 is slid on the second sliding groove 22 and the third sliding groove 23, the spacing between the vacuum suction cup assemblies 6 can be changed according to actual needs, and the vacuum suction cup assembly 6 can be moved up and down to meet the different heights of the upper surface of the long stringer 7, and then the clamping nuts 24 are tightened to make it close to the main body middle plate 3 or the upper and lower sides of the main body side plates 5, so as to fix the vacuum suction cup assembly 6. As shown Figure 2 As shown, the main body vertical plate 4 is symmetrically provided with first connection grooves 25, and a hinge bolt 26 is hinged in the first connection groove 25. The hinge bolt 26 passes through the main body vertical plate 4 and is fixedly connected to the main body side plate 5 on the same side; the main body vertical plate 4 is symmetrically provided with arc grooves 27, and a fastening bolt 28 is slidably connected in the arc groove 27, and the fastening bolt 28 is fixedly connected to the main body side plate 5 on the same side. After loosening the fastening bolt 28, the main body side plate 5 can rotate along the hinge bolt 26 in the first connection groove 25 of the main body vertical plate 4, and the fastening bolt 28 slides in the arc groove 27. After rotating to a set angle, the fastening bolt 28 is tightened to fix the main body side plate 5, which is used to meet the long beam 7 with different cap foot angles.

[0028] Preferably, if Figure 4 and 5 As shown, the locking mechanism 9 includes a first sliding groove 10 disposed at the outer end of the main body vertical plate 4 and located on the side of the flip ratchet 8, a spring 11 is symmetrically disposed in the first sliding groove 10, and the other end of the spring 11 is connected to a ratchet fixed tooth 12, and the ratchet fixed tooth 12 contacts the flip ratchet 8. The ratchet fixed tooth 12 has a circular groove 13; the inner end of the main body vertical plate 4 is provided with a semicircular groove 14, and an adjustment paddle 15 is rotatably connected in the semicircular groove 14, and the adjustment paddle 15 passes through the main body vertical plate 4 and is connected to a cam 16 located in the circular groove 13.

[0029] Working principle:

[0030] The number of tooling units 1 required is determined according to the length of the long stringer 7 to be transported. The tooling units 1 are aligned end to end and the connecting bolts 31 are screwed into the connecting holes 30 of the main body vertical plate 4 that are close to each other, so that the tooling units 1 are fixedly connected as a whole. Then, the upper shaft hangers 2 are installed at both ends of the connected tooling units 1, and the square shaft hangers 2 are connected to the external lifting equipment. According to the cap foot angle of the long stringer 7, after loosening and tightening the bolts 28, the main body side plate 5 can rotate along the hinge bolts 26 in the first connecting groove 25 of the main body vertical plate 4, and the tightening bolts 28 slide in the arc groove 27. After rotating to the same angle as the cap foot, tighten the tightening bolts 28, and then slide the vacuum suction cup assembly 6 on the second sliding groove 22 and the third sliding groove 23 and move the vacuum suction cup assembly 6 up and down, so that the vacuum suction cup assembly 6 can better absorb the long stringer 7, and then tighten the clamping nut 24 to make it close to the upper and lower sides of the main body middle plate 3 or the main body side plate 5, so as to fix the vacuum suction cup assembly 6. The external lifting equipment moves the utility model to the top of the long stringer 7 that needs to be transported, adsorbs the long stringer 7 through the vacuum suction cup assembly 6, and then moves the long stringer 7 to the place where it needs to be installed, and turns the flip ratchet 8 to make the main body middle plate 3, the main body vertical plate 4 and the main body side plate 5 flip at the same time. After turning to the appropriate angle, the adjustment paddle 15 of the locking mechanism 9 is turned to make the ratchet fixing tooth 12 fix the flip ratchet 8, so that the long stringer 7 is rotated and fixed to the required angle to meet the installation angle requirement during the installation of the long stringer 7 to the curved skin, and then it is installed.

Claims

1. A flexible transport tool for long-beam workpieces with adjustable turning angle, characterized in that: The invention comprises at least one tooling unit (1); the tooling unit (1) comprises a main body middle plate (3), a main body vertical plate (4) and a main body side plate (5); the main body vertical plate (4) is fixedly connected to the two ends of the main body middle plate (3); the main body side plates (5) are respectively arranged on both sides of the main body middle plate (3) and are rotatably connected to the main body vertical plate (4); the main body middle plate (3) and the main body side plates (5) are both connected to a plurality of vacuum suction cup assemblies (6), and the vacuum suction cup assemblies (6) are used to absorb long beams (7); the outer end of the main body vertical plate (4) is connected to a square shaft hanger (2); a flip ratchet (8) is arranged between the main body vertical plate (4) and the square shaft hanger (2); the main body vertical plate (4) is also provided with a locking mechanism (9) matched with the flip ratchet (8).

2. The flexible transport tooling for long-beam workpieces with adjustable flipping angle according to claim 1 is characterized in that: The locking mechanism (9) comprises a first sliding groove (10) arranged at the outer end of the main vertical plate (4) and located on the side of the flip ratchet (8), a spring (11) is symmetrically arranged in the first sliding groove (10), the other end of the spring (11) is connected to a ratchet fixed tooth (12), and the ratchet fixed tooth (12) is in contact with the flip ratchet (8).

3. The flexible transport tooling for long-beam workpieces with adjustable flipping angle according to claim 2 is characterized in that: The ratchet fixed tooth (12) is provided with a circular groove (13); the inner end of the main body vertical plate (4) is provided with a semicircular groove (14), an adjusting paddle (15) is rotatably connected in the semicircular groove (14), and the adjusting paddle (15) passes through the main body vertical plate (4) and is connected to a cam (16) located in the circular groove (13).

4. The flexible transport tool for long-beam workpieces with adjustable flipping angle according to claim 1 is characterized in that: A square hole (17) is provided at the center of the flip ratchet (8); a cover plate (18) located outside the flip ratchet (8) and the locking mechanism (9) is connected to the main body vertical plate (4); a circular groove (13) is provided on the cover plate (18), and the circular groove (13) corresponds to the square hole (17).

5. The flexible transport tool for long-beam workpieces with adjustable flipping angle according to claim 4 is characterized in that: The square shaft hanger (2) is provided with a square shaft (20), which matches the square hole (17); the square shaft (20) passes through the square hole (17) and is connected with a connecting nut (21).

6. The flexible transport tool for long-beam workpieces with adjustable flipping angle according to claim 1 is characterized in that: The main body middle plate (3) is symmetrically provided with second sliding grooves (22); the main body side plates (5) are symmetrically provided with third sliding grooves (23); and the vacuum suction cup assembly (6) is provided on the second sliding groove (22) and the third sliding groove (23).

7. The flexible transport tool for long-beam workpieces with adjustable flipping angle according to claim 6 is characterized in that: The vacuum suction cup assembly (6) is provided with clamping nuts (24) located at the upper and lower sides of the second sliding groove (22) and the third sliding groove (23), respectively.

8. The flexible transport tool for long-beam workpieces with adjustable flipping angle according to claim 1 is characterized in that: The main body vertical plates (4) are symmetrically provided with first connection grooves (25), and hinge bolts (26) are hinged in the first connection grooves (25). The hinge bolts (26) pass through the main body vertical plates (4) and are fixedly connected to the main body side plates (5) on the same side; the main body vertical plates (4) are symmetrically provided with arc grooves (27), and fastening bolts (28) are slidably connected in the arc grooves (27). The fastening bolts (28) are fixedly connected to the main body side plates (5) on the same side.

9. The flexible transport tool for long-beam workpieces with adjustable flipping angle according to claim 1 is characterized in that: The upper part of the square shaft hanger (2) is symmetrically connected with eye bolts (29).

10. The flexible transport tool for long-beam workpieces with adjustable flipping angle according to claim 1 is characterized in that: The main body vertical plates (4) are symmetrically provided with connection holes (30); the main body vertical plates (4) between adjacent tooling units (1) are aligned and connected with connection bolts (31) in the connection holes (30).

Images