Pneumatic clamping and overturning clamp for aero-engine disc hub

Abstract

The utility model discloses a pneumatic clamping and overturning clamp for an aero-engine disc hub, which belongs to the technical field of aero-engine disc hub processing equipment and comprises a U-shaped frame, first cylinders are fixedly mounted on the outer sides of the U-shaped frame respectively, and the output ends of the two first cylinders are fixedly connected with suspension boxes respectively. Annular frames are fixedly connected to the ends of the two suspension boxes correspondingly, rotating discs are rotationally connected to the inner sides of the two annular frames correspondingly, and the ends of the rotating discs extend out of the annular frames and are fixedly connected with clamping blocks. According to the clamping device, the first air cylinder is installed on the side portion of the U-shaped frame, the first air cylinder is used for directly driving the suspension box and the clamping block to move so that the clamping force of the first air cylinder can directly drive the clamping block to clamp a disc hub, meanwhile, the triangular frame and the T-shaped hanging frame are used for enhancing the strength of the U-shaped frame and the suspension box, and the clamping device is prevented from deforming; and the working quality of the pneumatic clamping and overturning clamp for the aero-engine disc hub is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft engine hub processing equipment, and more specifically to an aircraft engine hub pneumatic clamping and flipping fixture. Background Art

[0002] An aircraft engine is a highly complex and sophisticated thermal machine that provides the aircraft with the power required for flight. During engine assembly, a fixture is required to place the engine hub on the engine.

[0003] After searching, the utility model patent with the announcement number CN216967083U discloses a pneumatic clamping and flipping fixture for the hub of an aerospace engine, including a connecting plate; both sides of the connecting plate are movably connected with a moving rod, the lower end of the moving rod is fixedly connected with a fixed plate, one side of the fixed plate is rotatably connected with a clamping block, the two clamping blocks are arranged oppositely, and the opposite side walls of the two clamping blocks are arranged in an arc shape. This patent mainly solves the problem of easy falling during manual operation and improves the grasping safety, and improves the clamping safety through pneumatic clamping claws. However, the above patent has the following shortcomings: the hub of an aerospace engine has a certain weight, and when the first pneumatic telescopic rod drives the moving rod and the clamping block to clamp the three-stage disk, the moving rod is prone to deformation, and the clamping force of the first pneumatic telescopic rod cannot be smoothly transmitted to the clamping block, which affects the quality and stability of clamping the three-stage disk; and the clamping block is only connected to the fixed plate by the first rotating shaft, and the strength of the clamping block connected to the fixture is poor, which is dangerous when used. Therefore, we proposed a pneumatic clamping and flipping fixture for aero-engine hub. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a pneumatic clamping and flipping fixture for an aircraft engine hub.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] A pneumatic clamping and flipping fixture for an aircraft engine hub comprises a U-shaped frame, first cylinders are fixedly mounted on the outer sides of the U-shaped frame, output ends of two of the first cylinders are fixedly connected to suspension boxes, ends of two of the suspension boxes are fixedly connected to annular frames, inner sides of the two annular frames are rotatably connected to rotating disks, ends of the rotating disks extend to the outside of the annular frames and are fixedly connected to clamping blocks, an angle adjustment mechanism is provided on the suspension box, and a strength reinforcement mechanism is provided between the U-shaped frame and the suspension box.

[0007] As a preferred solution of the utility model, the angle adjustment mechanism includes a second cylinder fixedly installed on the side of the suspension box and a driving rod rotatably connected to the inner cavity of the suspension box, the end of the driving rod is connected to the end of the rotating disk, the outer side of the driving rod is fixedly sleeved with a spur gear, the output end of the second cylinder extends to the inner cavity of the suspension box and is fixedly connected with a rack, the rack and the spur gear are meshed with each other, the end of the rack is fixedly connected with a sliding rod, and the end of the sliding rod is movably sleeved to the outside of the suspension box.

[0008] As a preferred solution of the utility model, the strength reinforcement mechanism includes a T-shaped slide groove opened on the bottom surface of the U-shaped frame, the inner cavity of the T-shaped slide groove is slidably connected with a T-shaped hanger, and the bottom end of the T-shaped hanger extends to the bottom of the U-shaped frame and is connected to the top surface of the suspension box.

[0009] As a preferred solution of the utility model, a plurality of tripods are fixedly connected to the corners of the inner cavity of the U-shaped frame.

[0010] As a preferred solution of the utility model, a connecting frame is fixedly connected to the top surface of the U-shaped frame.

[0011] As a preferred solution of the utility model, the inner wall of the T-shaped slide groove and the side surface of the T-shaped hanger are in contact with each other.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] (1) In the utility model, the first cylinder is installed on the side of the U-shaped frame, and the first cylinder is used to directly drive the suspension box and the clamping block to move, so that the clamping force of the first cylinder directly drives the clamping block to clamp the disk hub. At the same time, the tripod and T-shaped hanger are used to enhance the strength of the U-shaped frame and the suspension box to avoid deformation of the clamping device.

[0014] (2) In the utility model, the clamping block is rotatably connected to the side of the suspension box by the cooperation of the annular frame and the rotating disk. The strength of the clamping block is enhanced by the cooperation of the annular frame and the rotating disk. In addition, the second cylinder is used to drive the rack to move, and the cooperation between the rack and the spur gear drives the drive rod, the rotating disk and the clamping block to rotate, thereby turning the disk hub clamped by the clamping block, thereby improving the working quality of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of the U-shaped frame of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of the suspension box of the utility model;

[0018] Figure 4 It is a cross-sectional schematic diagram of the annular frame of the utility model.

[0019] Description of the numbers in the figure:

[0020] 1. U-shaped frame; 2. First cylinder; 3. Suspension box; 4. Ring frame; 5. Rotating plate; 6. Clamping block; 7. Angle adjustment mechanism; 8. Second cylinder; 9. Driving rod; 10. Spur gear; 11. Rack; 12. Slide rod; 13. T-shaped slide groove; 14. T-shaped hanger; 15. Connecting frame; 16. Tripod; 17. Strength reinforcement mechanism. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Example:

[0025] See also Figure 1-4A pneumatic clamping and flipping fixture for an aircraft engine hub comprises a U-shaped frame 1, first cylinders 2 are fixedly mounted on the outer sides of the U-shaped frame 1, two first cylinders 2 are fixedly connected to suspension boxes 3 at their output ends, annular frames 4 are fixedly connected to the ends of the two suspension boxes 3, rotating disks 5 are rotatably connected to the inner sides of the two annular frames 4, ends of the rotating disks 5 extend to the outside of the annular frames 4 and are fixedly connected to clamping blocks 6, an angle adjustment mechanism 7 is arranged on the suspension box 3, and a strength reinforcement mechanism 17 is arranged between the U-shaped frame 1 and the suspension box 3.

[0026] For details, please refer to Figure 1 , Figure 3 and Figure 4 The angle adjustment mechanism 7 includes a second cylinder 8 fixedly installed on the side of the suspension box 3 and a driving rod 9 rotatably connected to the inner cavity of the suspension box 3. The end of the driving rod 9 is connected to the end of the rotating disk 5. A spur gear 10 is fixedly sleeved on the outer side of the driving rod 9. The output end of the second cylinder 8 extends to the inner cavity of the suspension box 3 and is fixedly connected to a rack 11. The rack 11 and the spur gear 10 are meshed with each other. The end of the rack 11 is fixedly connected to a sliding rod 12, and the end of the sliding rod 12 is movably sleeved to the outside of the suspension box 3.

[0027] In this embodiment, the rack 11 is supported by sliding between the slide rod 12 and the suspension box 3 .

[0028] For details, please refer to Figure 1 and Figure 2 The strength reinforcement mechanism 17 includes a T-shaped slide groove 13 opened on the bottom surface of the U-shaped frame 1, and the inner cavity of the T-shaped slide groove 13 is slidably connected with a T-shaped hanger 14. The bottom end of the T-shaped hanger 14 extends to the bottom of the U-shaped frame 1 and is connected to the top surface of the suspension box 3.

[0029] In this embodiment, the strength of the suspension box 3 is enhanced by using the T-shaped hanger 14 .

[0030] For details, please refer to Figure 1 A plurality of tripods 16 are fixedly connected to the corners of the inner cavity of the U-shaped frame 1 .

[0031] In this embodiment, the strength of the U-shaped frame 1 is enhanced by the tripod 16 .

[0032] For details, please refer to Figure 2 The top surface of the U-shaped frame 1 is fixedly connected with a connecting frame 15.

[0033] In this embodiment, the U-shaped frame 1 is connected to the robot through the connecting frame 15, thereby driving the clamping device for use.

[0034] For details, please refer to Figure 2 The inner wall of the T-shaped chute 13 and the side of the T-shaped hanger 14 are in contact with each other.

[0035] In this embodiment, the inner wall of the T-shaped slide groove 13 is used to limit the T-shaped hanger 14 to ensure the stability of the T-shaped hanger 14 in the T-shaped slide groove 13.

[0036] Working principle: When in use, first use the connecting frame 15 to connect the U-shaped frame 1 and the manipulator, then move the disc hub to the inner side of the U-shaped frame 1, and use the manipulator to drive the clamping block 6 to move to the side of the disc hub, start the first cylinder 2 to drive the suspension box 3 and the clamping block 6 to move, and use the clamping block 6 to clamp the side of the disc hub, so that the clamping device and the disc hub are connected, and then use the manipulator to drive the clamping device and the disc hub to move, and then start the second cylinder 8 to drive the rack 11 to move, and use the meshing transmission between the rack 11 and the spur gear 10 to drive the spur gear 10, the drive rod 9, the rotating disk 5 and the clamping block 6 to rotate, so as to adjust the angle of the disc hub clamped by the clamping block 6, and finally install the disc hub on the engine.

[0037] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A pneumatic clamping and flipping fixture for an aircraft engine hub, characterized in that: The invention comprises a U-shaped frame (1), wherein first cylinders (2) are fixedly mounted on the outer side of the U-shaped frame (1), the output ends of the two first cylinders (2) are fixedly connected to suspension boxes (3), the ends of the two suspension boxes (3) are fixedly connected to annular frames (4), the inner sides of the two annular frames (4) are rotatably connected to rotating disks (5), the ends of the rotating disks (5) extend to the outside of the annular frames (4) and are fixedly connected to clamping blocks (6), an angle adjustment mechanism (7) is arranged on the suspension box (3), and a strength reinforcement mechanism (17) is arranged between the U-shaped frame (1) and the suspension box (3).

2. The pneumatic clamping and flipping fixture for an aircraft engine hub according to claim 1, characterized in that: The angle adjustment mechanism (7) comprises a second cylinder (8) fixedly mounted on the side of the suspension box (3) and a driving rod (9) rotatably connected to the inner cavity of the suspension box (3); the end of the driving rod (9) is connected to the end of the rotating disk (5); a spur gear (10) is fixedly sleeved on the outer side of the driving rod (9); the output end of the second cylinder (8) extends to the inner cavity of the suspension box (3) and is fixedly connected to a rack (11); the rack (11) and the spur gear (10) are meshed with each other; the end of the rack (11) is fixedly connected to a sliding rod (12); the end of the sliding rod (12) is movably sleeved to the outside of the suspension box (3).

3. The pneumatic clamping and flipping fixture for an aircraft engine hub according to claim 1, characterized in that: The strength reinforcement mechanism (17) comprises a T-shaped slide groove (13) provided on the bottom surface of the U-shaped frame (1), the inner cavity of the T-shaped slide groove (13) being slidably connected to a T-shaped hanger (14), the bottom end of the T-shaped hanger (14) extending to the bottom of the U-shaped frame (1) and connected to the top surface of the suspension box (3).

4. The pneumatic clamping and flipping fixture for an aircraft engine hub according to claim 1, characterized in that: A plurality of tripods (16) are fixedly connected to the corners of the inner cavity of the U-shaped frame (1).

5. The pneumatic clamping and flipping fixture for an aircraft engine hub according to claim 1, characterized in that: A connecting frame (15) is fixedly connected to the top surface of the U-shaped frame (1).

6. The pneumatic clamping and flipping fixture for an aircraft engine hub according to claim 3, characterized in that: The inner wall of the T-shaped slide groove (13) is in contact with the side surface of the T-shaped hanger (14).

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