Quality inspection equipment for carbon fiber composite pressure-bearing shell of space shuttle fuselage

Abstract

The utility model relates to the technical field of spacecraft manufacturing, in particular to a space shuttle body carbon fiber composite material pressure-bearing shell quality inspection device which comprises a workbench, a clamping device and a moving device. A first two-way screw rod is rotatably mounted in the first rectangular groove, one end of the first two-way screw rod penetrates through the side wall of the workbench and is provided with a first motor, and the left end and the right end of the first two-way screw rod are in threaded connection with first sliding blocks; the two sets of first sliding blocks and the two sets of second sliding blocks drive the clamping blocks through the height adjusting devices to fix the periphery of the pressure-bearing shell, the clamping stability is improved, the height of each set of clamping blocks can be adjusted through the height adjusting devices, pressure-bearing shells of different heights can be conveniently clamped, and the clamping efficiency is improved. And the device can adapt to space shuttle body carbon fiber composite material pressure-bearing shells with different sizes and shapes.

Description

Technical Field

[0001] The utility model relates to the technical field of spacecraft manufacturing, in particular to a quality inspection device for a carbon fiber composite pressure shell of a space shuttle fuselage. Background Art

[0002] As we all know, the carbon fiber composite pressure shell of the space shuttle fuselage is an important component of the spacecraft, and its quality is directly related to the safety and reliability of the spacecraft.

[0003] The existing quality inspection equipment for the carbon fiber composite pressure shell of the space shuttle fuselage needs to fix the pressure shell on a workbench during quality inspection. The existing quality inspection equipment is generally not convenient for clamping and fixing pressure shells of different models. Since it cannot adapt to shells of different sizes and models, the clamping device may not be able to provide a stable clamping force, causing the shell to move or deform during processing or testing. In addition, the quality inspection of the pressure shell requires the use of multiple detection devices, and repeated disassembly and assembly are cumbersome, which reduces the quality inspection efficiency. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a quality inspection device for a carbon fiber composite pressure shell of a space shuttle fuselage.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quality inspection device for a carbon fiber composite pressure shell of a space shuttle fuselage, comprising a workbench, a clamping device and a moving device, the top of the workbench is horizontally provided with two groups of first rectangular grooves of symmetrical design, a first bidirectional screw is rotatably installed in the first rectangular groove, one end of the first bidirectional screw passes through the side wall of the workbench and is installed with a first motor, the left and right ends of the first bidirectional screw are threadedly connected with a first slider, the top of the workbench is longitudinally provided with two groups of second rectangular grooves of symmetrical design, a second bidirectional screw is rotatably installed in the second rectangular groove, one end of the second bidirectional screw passes through the side wall of the workbench and is installed with a second motor, the left and right ends of the second bidirectional screw are threadedly connected with a second slider, the tops of the first slider and the second slider are both installed with clamping blocks through a height adjustment device, support legs are installed at the four corners of the bottom wall of the workbench, and the moving device is installed on the bottom wall of the support legs.

[0008] In order to facilitate the adjustment of the height of each group of clamping blocks, the utility model is improved in that the height adjustment device includes a rectangular block, a screw rod and a third motor, the top walls of the first slider and the second slider are fixedly connected to the rectangular block, a groove body is provided on the side of the rectangular block away from the edge of the workbench, the screw rod is installed in the groove body, a moving block is installed on the screw rod, the top of the screw rod passes through the top wall of the rectangular block and is installed with the third motor, and the moving block is connected to the clamping block through a support column.

[0009] In order to facilitate the selection of a vacuum adsorption method to fix the pressure-bearing shell, the utility model is improved in that a suction cup is arranged on the top of the workbench, a vacuum pump is installed on the bottom wall of the workbench, and the vacuum pump is connected to the suction cup through a delivery pipe.

[0010] In order to facilitate the movement and fixation of the device, the utility model is improved in that the moving device includes a moving wheel and a brake assembly, the moving wheel is installed on the bottom wall of the support leg, the brake assembly is provided on the moving wheel, and the brake assembly is adapted to the moving wheel.

[0011] In order to improve the flexibility of the moving wheels, the utility model is improved in that the moving wheels are universal wheels.

[0012] In order to prevent the clamping block from damaging the side wall of the pressure-bearing shell, the utility model is improved in that a rubber pad is installed on the inner side wall of the clamping block.

[0013] In order to ensure the stability and accuracy of the operation of the first motor, the second motor and the third motor, the utility model is improved in that the first motor, the second motor and the third motor are all servo motors.

[0014] In order to cooperate with the moving device to control the moving direction of the workbench, the utility model is improved in that a push handle is installed on one side wall of the workbench.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a quality inspection device for the carbon fiber composite pressure shell of a space shuttle fuselage, which has the following beneficial effects:

[0017] The space shuttle fuselage carbon fiber composite pressure shell quality inspection equipment uses a clamping device, two groups of first slide blocks and two groups of second slide blocks to drive the clamping blocks to fix the four sides of the pressure shell through a height adjustment device, so that the clamping device can firmly fix the pressure shell to prevent movement or deformation during the inspection process, ensure the accuracy of the inspection results, and improve the stability of the clamping.

[0018] The space shuttle fuselage carbon fiber composite pressure shell quality inspection equipment, through the height adjustment device provided, the third motor is convenient for adjusting the height of each group of clamping blocks separately, so that the clamping blocks can clamp pressure shells of different heights. The clamping device and the height adjustment device cooperate to adapt to space shuttle fuselage carbon fiber composite pressure shells of different sizes and shapes, thereby improving the flexibility and versatility of the device.

[0019] The quality inspection equipment for the carbon fiber composite pressure shell of the space shuttle fuselage uses a vacuum pump, a delivery pipe and a suction cup. The vacuum pump extracts the gas between the suction cup and the pressure shell through the delivery pipe, and uses the negative pressure generated by the vacuum pump to tightly adsorb the pressure shell on the workbench, making it convenient for the staff to choose different ways to fix the pressure shell.

[0020] The space shuttle fuselage carbon fiber composite pressure shell quality inspection equipment uses a moving device to move the workbench to just below a suitable testing device via moving wheels, and a brake assembly fixes the moving wheels at a target position, making it easy to move and inspect under a variety of testing devices without the need for repeated disassembly and assembly, thereby improving quality inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0023] Figure 3 For the utility model Figure 2 A schematic diagram of the structure at the local A of the enlarged part;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model from a third angle.

[0025] In the figure: 1. workbench; 2. first rectangular groove; 3. first bidirectional screw; 4. first motor; 5. first slider; 6. second rectangular groove; 7. second bidirectional screw; 8. second motor; 9. second slider; 10. clamping block; 11. supporting leg; 12. rectangular block; 13. screw rod; 14. third motor; 15. groove body; 16. moving block; 17. suction cup; 18. vacuum pump; 19. conveying pipe; 20. moving wheel; 21. brake assembly; 22. push handle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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.

[0027] See also Figure 1-4 , A quality inspection device for a carbon fiber composite pressure shell of a space shuttle fuselage, comprising a workbench 1, a clamping device and a moving device, wherein two groups of first rectangular grooves 2 of symmetrical design are horizontally opened at the top of the workbench 1, a first bidirectional screw 3 is rotatably installed in the first rectangular groove 2, one end of the first bidirectional screw 3 penetrates the side wall of the workbench 1 and is installed with a first motor 4, and the left and right ends of the first bidirectional screw 3 are threadedly connected with a first slider 5, and two groups of second rectangular grooves 6 of symmetrical design are longitudinally opened at the top of the workbench 1, a second bidirectional screw 7 is rotatably installed in the second rectangular groove 6, one end of the second bidirectional screw 7 penetrates the side wall of the workbench 1 and is installed with a second motor 8, and the left and right ends of the second bidirectional screw 7 are threadedly connected with a second slider 9, and the tops of the first slider 5 and the second slider 9 are both installed with clamping blocks 10 through a height adjustment device, and the four corners of the bottom wall of the workbench 1 are installed with support legs 11, and the bottom wall of the support legs 11 is installed with the moving device, in this embodiment, before the pressure shell needs to be inspected, the pressure shell is first placed on the workbench 1 Then, the first motor 4 is started, and the output end of the first motor 4 drives the first bidirectional screw 3 to rotate. The first bidirectional screw 3 drives the first slider 5 during the rotation process, so that the two groups of first sliders 5 move from both ends to the middle, and drive the clamping block 10 to move toward the direction of the pressure-bearing shell, and the pressure-bearing shell is horizontally clamped and fixed, and then the second motor 8 is started, and the output end of the second motor 8 drives the second bidirectional screw 7 to rotate. The second bidirectional screw 7 drives the second slider 9 during the rotation process, so that the two groups of second sliders 9 move from both ends to the middle, and drive the clamping block 10 to move toward the direction of the pressure-bearing shell, and the pressure-bearing shell is longitudinally clamped and fixed, and the two groups of first sliders 5 and the two groups of second sliders 9 drive the clamping block 10 to fix the four sides of the pressure-bearing shell through the height adjustment device, thereby improving the stability of the clamping, and the height of each group of clamping blocks 10 can be adjusted through the height adjustment device, so as to facilitate the clamping of pressure shells of different heights, and can adapt to the pressure shells of carbon fiber composite materials of space shuttle fuselages of different sizes and shapes. Finally, the workbench 1 can be moved to the bottom of the corresponding detection device through the moving device to detect the pressure shell.

[0028] In actual use, it is further convenient to adjust the height of each group of clamping blocks 10. In this embodiment, the height adjustment device includes a rectangular block 12, a screw rod 13 and a third motor 14. The top walls of the first slider 5 and the second slider 9 are fixedly connected with the rectangular block 12. A groove 15 is provided on the side of the rectangular block 12 away from the edge of the workbench 1. The screw rod 13 is installed in the groove 15. A moving block 16 is installed on the screw rod 13. The top of the screw rod 13 passes through the top wall of the rectangular block 12 and is installed with the third motor 14. The moving block 16 is connected to the clamping block 10 through a support column. The third motor 14 is started, and the output end of the third motor 14 drives the screw rod 13. The screw rod 13 drives the moving block 16 to move linearly in the groove 15. The moving block 16 drives the clamping block 10 to adjust the height, which is convenient for adapting to pressure-bearing shells of different heights and facilitating the clamping device to clamp the pressure-bearing shell.

[0029] In actual use, it is further convenient to select a vacuum adsorption method to fix the pressure-bearing shell. In this embodiment, a suction cup 17 is provided on the top of the workbench 1, and a vacuum pump 18 is installed on the bottom wall of the workbench 1. The vacuum pump 18 is connected to the suction cup 17 through a delivery pipe 19. The vacuum pump 18 is started, and the vacuum pump 18 extracts the gas between the suction cup 17 and the pressure-bearing shell through the delivery pipe 19. The negative pressure generated by the vacuum pump 18 is used to tightly adsorb the pressure-bearing shell on the workbench 1, and the pressure-bearing shell is vacuum adsorbed. The pressure-bearing shell can be fixed by vacuum adsorption.

[0030] In actual use, it is further convenient to move and fix the device. In the present embodiment, the moving device includes a moving wheel 20 and a brake assembly 21. The moving wheel 20 is installed on the bottom wall of the support leg 11. The brake assembly 21 is provided on the moving wheel 20. The brake assembly 21 is adapted to the moving wheel 20. When the pressure-bearing shell is fixed on the workbench 1 by the clamping device, and then moved to the bottom of a suitable detection device by the moving wheel 20, the brake assembly 21 fixes the moving wheel 20 at the target position, and then the pressure-bearing shell can be detected.

[0031] In actual use, the flexibility of the moving wheel 20 is further improved. In this embodiment, the moving wheel 20 is a universal wheel, which can rotate freely in the horizontal and vertical directions, so that the workbench 1 can maintain a stable balance in different environments.

[0032] In actual use, in order to further prevent the clamping block 10 from damaging the side wall of the pressure-bearing shell, in this embodiment, a rubber pad is installed on the inner wall of the clamping block 10. The rubber pad can play a buffering role between the clamping block 10 and the pressure-bearing shell to prevent the pressure-bearing shell from deformation and damage, thereby ensuring the processing quality. The rubber pad can increase the clamping area, thereby increasing the clamping force, making the clamping more secure, less prone to loosening and deviation, and able to meet the clamping requirements.

[0033] In actual use, the stability and accuracy of the operation of the first motor 4, the second motor 8 and the third motor 14 are further guaranteed. In this embodiment, the first motor 4, the second motor 8 and the third motor 14 are all servo motors. The servo motor can control the position, speed and torque with high precision. The servo motor adopts closed-loop control and has good stability. It can avoid problems such as stalling and vibration, thereby ensuring the stability and accuracy of the operation of the first motor 4, the second motor 8 and the third motor 14.

[0034] In actual use, the moving direction of the workbench 1 is further controlled in cooperation with the mobile device. In this embodiment, a push handle 22 is installed on one side wall of the workbench 1. The design of the push handle 22 is often ergonomic, so that the user can control the direction of the mobile device through a simple pushing action. This intuitive and easy-to-use operation method not only improves work efficiency, but also reduces the difficulty of operation.

[0035] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quality inspection device for a carbon fiber composite pressure shell of a space shuttle fuselage, comprising a workbench (1), a clamping device and a moving device, characterized in that: The top of the workbench (1) is provided with two groups of first rectangular grooves (2) of symmetrical design in the transverse direction, a first bidirectional screw (3) is rotatably installed in the first rectangular groove (2), one end of the first bidirectional screw (3) passes through the side wall of the workbench (1) and is installed with a first motor (4), the left and right ends of the first bidirectional screw (3) are threadedly connected with a first slider (5), the top of the workbench (1) is provided with two groups of second rectangular grooves (6) of symmetrical design in the longitudinal direction, a second bidirectional screw (7) is rotatably installed in the second rectangular groove (6), one end of the second bidirectional screw (7) passes through the side wall of the workbench (1) and is installed with a second motor (8), the left and right ends of the second bidirectional screw (7) are threadedly connected with a second slider (9), the top ends of the first slider (5) and the second slider (9) are both installed with a clamping block (10) through a height adjustment device, the four corners of the bottom wall of the workbench (1) are installed with a clamping block (10), and the bottom wall of the clamping block (10) is installed with the moving device.

2. The carbon fiber composite pressure shell quality inspection equipment for aerospace shuttle fuselage according to claim 1, characterized in that: The height adjustment device comprises a rectangular block (12), a screw rod (13) and a third motor (14); the top walls of the first slider (5) and the second slider (9) are fixedly connected to the rectangular block (12); a groove (15) is provided on one side of the rectangular block (12) away from the edge of the workbench (1); the screw rod (13) is installed in the groove (15); a moving block (16) is installed on the screw rod (13); the top of the screw rod (13) passes through the top wall of the rectangular block (12) and is equipped with the third motor (14); the moving block (16) is connected to the clamping block (10) through a support column.

3. The quality inspection equipment for carbon fiber composite pressure shell of a space shuttle fuselage according to claim 2, characterized in that: A suction cup (17) is arranged at the top of the workbench (1), and a vacuum pump (18) is installed on the bottom wall of the workbench (1). The vacuum pump (18) is connected to the suction cup (17) via a delivery pipe (19).

4. The quality inspection equipment for carbon fiber composite pressure shell of a space shuttle fuselage according to claim 3, characterized in that: The moving device comprises a moving wheel (20) and a brake assembly (21); the moving wheel (20) is mounted on the bottom wall of the supporting leg (11); the brake assembly (21) is arranged on the moving wheel (20); and the brake assembly (21) is adapted to the moving wheel (20).

5. The carbon fiber composite pressure shell quality inspection equipment for aerospace shuttle fuselage according to claim 4, characterized in that: The moving wheel (20) is a universal wheel.

6. The quality inspection equipment for carbon fiber composite pressure shell of a space shuttle fuselage according to claim 5, characterized in that: The inner side wall of the clamping block (10) is provided with a rubber pad.

7. The quality inspection equipment for carbon fiber composite pressure shell of a space shuttle fuselage according to claim 6, characterized in that: The first motor (4), the second motor (8) and the third motor (14) are all servo motors.

8. The carbon fiber composite pressure shell quality inspection equipment for aerospace shuttle fuselage according to claim 7, characterized in that: A push handle (22) is installed on one side wall of the workbench (1).

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