Carbon fiber pipe single-cantilever bending test device for unmanned aerial vehicle
By designing an adjustable clamping fixture and a single cantilever bending test device for drones with multi-position bending testing functions, the problem that traditional test devices cannot adapt to samples of different sizes and shapes is solved, and the flexibility and efficiency of testing are achieved.
Patent Information
- Application Number
- CN202421738194.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-22
AI Technical Summary
Traditional single cantilever bending test devices are unable to adapt to test samples of different sizes and shapes, resulting in increased testing complexity and time-consuming.
A single cantilever bending test device for carbon fiber pipe for drones is designed, using adjustable clamping fixtures and multi-position bending test functions, and the clamping and multi-position motion of the clamping and test machine is realized through the motor drive gear and connecting rod system.
Flexible clamping and multi-position bending testing of carbon fiber pipes of different sizes and shapes is achieved, simplifying the testing process and reducing test time and complexity.
Smart Images

Figure CN223021790U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bending strength testing, in particular to a single cantilever bending testing device for carbon fiber pipes used in unmanned aerial vehicles (UAVs). Background Art
[0002] A single cantilever bending testing device is a piece of equipment used to evaluate the performance of materials under bending loads with a single support. It is used to test the bending stiffness, bending strength, deformation characteristics, and durability performance under fatigue conditions of materials.
[0003] The single cantilever bending testing device for carbon fiber pipe materials used in UAVs will evaluate the performance of this material in actual applications. UAVs use carbon fiber pipe materials to make fuselage and wing components because carbon fiber pipes have the advantages of high strength, light weight, and corrosion resistance.
[0004] However, traditional single cantilever bending testing devices cannot be clamped and fixed according to the size of the material to be tested. The non-adjustable clamping and fixing devices will lead to a lack of flexibility, unable to adapt to test samples of different sizes and shapes, increasing the complexity and time consumption of testing. Therefore, a single cantilever bending testing device for carbon fiber pipes used in UAVs is proposed to solve the above problems. Summary of the Utility Model
[0005] To make up for the above deficiencies, the utility model provides a single cantilever bending testing device for carbon fiber pipes used in UAVs, aiming to improve the problems of clamping and fixing and changing the testing position in the existing technology.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme: A single cantilever bending testing device for carbon fiber pipes used in UAVs, including an operation box. The left and right sides of the operation box are fixedly connected with support frames. The top of the support frames is fixedly connected with a fixed strip. The top of the fixed strip is slidably connected with a slider. A chute one is opened at the top of the fixed strip. The top of the slider is fixedly connected with a base. A connecting rod is rotatably connected to the top of the base. One end of the connecting rod away from the base is rotatably connected to a rotating rod. The rear side of the rotating rod is rotatably connected to a fixed block. A motor one is fixedly connected to the rear side of the fixed block. A U-shaped groove is opened at the top side of the support frame. A clamping assembly is arranged above the operation box for the function of clamping the carbon fiber pipe.
[0007] As a further description of the above technical solution: The clamping assembly includes a slide rail. The slide rail is fixedly connected to the right side inside the support frame. A chute two is opened on the outside of the slide rail. A clamping plate is slidably connected to the right side of the slide rail. A toothed plate is fixedly connected to the inner side of the clamping plate. A gear is fixedly connected to the right side inside the support frame. A motor two is fixedly connected to the left side of the support frame.
[0008] As a further description of the above technical solution: the output end of the second motor is fixedly connected to the gear, and the clamping plate is slidably connected to the second chute.
[0009] As a further description of the above technical solution: a testing machine is fixedly connected to the bottom of the slider, and the testing machine is slidably connected to the U-shaped groove.
[0010] As a further description of the above technical solution: the output end of the first motor is fixedly connected to the rotating rod, and the slider is slidably connected to the first chute.
[0011] As a further description of the above technical solution: the gear meshes with the toothed plate.
[0012] As a further description of the above technical solution: a maintenance door is rotatably connected to the front side of the operation box.
[0013] As a further description of the above technical solution: a handle is fixedly connected to the front side of the maintenance door.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, when the staff needs to clamp and fix the carbon fiber pipe, the motor is driven to drive the gear to rotate. The gear meshes with the toothed plates on both sides, and then drives the two toothed plates to slide towards each other. The toothed plates are fixedly connected to the inner sides of the clamping plates, so as to drive the clamping plates to move towards each other, thus achieving the effect of clamping and fixing the carbon fiber pipe.
[0016] 2. In the utility model, when the staff conducts a bending test on the carbon fiber pipe, the first motor is started to drive the rotating rod to rotate. The rotation of the rotating rod drives the connecting rod to rotate, and the rotation of the connecting rod drives the slider to reciprocate on the first chute opened on the fixed strip. A testing machine is fixedly connected to the bottom of the slider, so as to drive the testing machine to reciprocate, achieving the effect of being able to conduct bending tests on multiple positions of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a three-dimensional schematic diagram of the single-cantilever bending test device for carbon fiber pipes used in the unmanned aerial vehicle proposed by the utility model;
[0018] Figure 2 is a structural schematic diagram of the handle of the single-cantilever bending test device for carbon fiber pipes used in the unmanned aerial vehicle proposed by the utility model;
[0019] Figure 3 is a structural schematic diagram of the gear of the single-cantilever bending test device for carbon fiber pipes used in the unmanned aerial vehicle proposed by the utility model;
[0020] Figure 4Schematic diagram of the structure of the U-shaped groove of the single-cantilever bending test device for carbon fiber pipes used in drones proposed by the present utility model.
[0021] Legend:
[0022] 1. Operation box; 2. Support frame; 3. First chute; 4. Fixed strip; 5. Fixed block; 6. First motor; 7. Rotating rod; 8. Connecting rod; 9. Base; 10. Slide block; 11. Testing machine; 12. Second chute; 13. Slide rail; 14. Clamping plate; 15. Maintenance door; 16. Handle; 17. U-shaped groove; 18. Second motor; 19. Rack; 20. Gear. Detailed implementation manners
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Referring to Figure 1 and Figure 3 As shown in [drawings not specified in the original text], an embodiment provided by the present utility model: A single-cantilever bending test device for carbon fiber pipes used in drones includes an operation box 1. Support frames 2 are fixedly connected to the left and right sides of the operation box 1. A fixed strip 4 is fixedly connected to the top of the support frame 2. The function of the operation box 1 is for maintenance. The function of the support frame 2 is to support the reciprocating component. The function of the fixed strip 4 is to support the sliding of the slide block 10. A slide block 10 is slidably connected to the top of the fixed strip 4. A first chute 3 is opened at the top of the fixed strip 4. A base 9 is fixedly connected to the top of the slide block 10. A connecting rod 8 is rotatably connected to the top of the base 9. The function of the slide block 10 is to drive the testing machine 11 to make reciprocating movements. The function of the first chute 3 is to cooperate with the sliding of the slide block 10. The function of the base 9 is to connect the connecting rod 8 and the slide block 10. The function of the connecting rod 8 is to connect the rotating rod 7 and the base 9. One end of the connecting rod 8 away from the base 9 is rotatably connected to a rotating rod 7. A fixed block 5 is rotatably connected to the rear side of the rotating rod 7. A first motor 6 is fixedly connected to the rear side of the fixed block 5. A U-shaped groove 17 is opened on the top side of the support frame 2. The function of the rotating rod 7 is to drive the connecting rod 8 to rotate. The function of the fixed block 5 is to support the first motor 6. The function of the first motor 6 is to drive the rotating rod 7 to rotate. The function of the U-shaped groove 17 is to cooperate with the sliding of the testing machine 11. A clamping component is arranged above the operation box 1 for the function of clamping the carbon fiber tube.
[0025] Referring to Figure 2 and Figure 4, the clamping assembly includes a slide rail 13, which is fixedly connected to the right side inside the support frame 2. A second chute 12 is provided on the outer side of the slide rail 13. A clamping plate 14 is slidably connected to the right side of the slide rail 13. The function of the slide rail 13 is to cooperate with the sliding of the clamping plate 14. The function of the second chute 12 is to cooperate with the sliding of the clamping plate 14. The function of the clamping plate 14 is to clamp and fix the carbon fiber pipe. A toothed plate 19 is fixedly connected to the inner side of the clamping plate 14. A gear 20 is fixedly connected to the right side inside the support frame 2. A second motor 18 is fixedly connected to the left side of the support frame 2. The function of the toothed plate 19 is to drive the sliding of the clamping plate 14. The function of the gear 20 is to drive the sliding of the toothed plate 19. The function of the second motor 18 is to drive the rotation of the gear 20. The bottom of the slider 10 is fixedly connected to a testing machine 11. A maintenance door 15 is rotatably connected to the front side of the operation box 1. A handle 16 is fixedly connected to the front side of the maintenance door 15. The function of the testing machine 11 is to test the material. The function of the maintenance door 15 is to facilitate the maintenance by the staff. The function of the handle 16 is to facilitate the staff to open the maintenance door 15.
[0026] Working principle: When the staff needs to clamp and fix the carbon fiber pipe, the second motor 18 is driven, which drives the gear 20 to rotate. The gear 20 meshes with the toothed plates 19 on both sides, and then drives the two toothed plates 19 to slide towards each other. The toothed plates 19 are fixedly connected to the inner side of the clamping plate 14, so as to drive the clamping plate 14 to move towards each other, thus achieving the effect of clamping and fixing the carbon fiber pipe. When the staff conducts a bending test on the carbon fiber pipe, the first motor 6 is started, which drives the rotating rod 7 to rotate. The rotation of the rotating rod 7 drives the connecting rod 8 to rotate. The rotation of the connecting rod 8 drives the slider 10 to make a reciprocating motion on the first chute 3 opened on the fixed strip 4. The bottom of the slider 10 is fixedly connected to a testing machine 11, so as to drive the testing machine 11 to make a reciprocating motion, achieving the effect of bending test on multiple positions of the pipe.
[0027] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A single cantilever bending test device for carbon fiber tubes for unmanned aerial vehicles, comprising an operating box (1), characterized in that: The operating box (1) is fixedly connected to a support frame (2) on both sides, a fixing bar (4) is fixedly connected to the top of the supporting frame (2), a slider (10) is slidably connected to the top of the fixing bar (4), a slide groove (3) is provided on the top of the fixing bar (4), a base (9) is fixedly connected to the top of the slider (10), a connecting rod (8) is rotatably connected to the top of the base (9), an end of the connecting rod (8) away from the base (9) is rotatably connected to a rotating rod (7), a fixing block (5) is rotatably connected to the rear side of the rotating rod (7), a motor (6) is fixedly connected to the rear side of the fixing block (5), a U-shaped groove (17) is provided on the top side of the supporting frame (2), and a clamping assembly is provided on the top of the operating box (1) for clamping the carbon fiber tube.
2. The single cantilever bending test device for carbon fiber tubes for drones according to claim 1, characterized in that: The clamping assembly comprises a slide rail (13), the slide rail (13) is fixedly connected to the right side of the support frame (2), a slide groove (12) is provided on the outside of the slide rail (13), a clamping plate (14) is slidably connected to the right side of the slide rail (13), a toothed plate (19) is fixedly connected to the inner side of the clamping plate (14), a gear (20) is fixedly connected to the right side of the support frame (2), and a motor (18) is fixedly connected to the left side of the support frame (2).
3. The single cantilever bending test device for carbon fiber tubes for UAV according to claim 2, characterized in that: The output end of the second motor (18) is fixedly connected to the gear (20), and the clamping plate (14) is slidably connected to the second slide groove (12).
4. The single cantilever bending test device for carbon fiber tubes for UAVs according to claim 1, characterized in that: A testing machine (11) is fixedly connected to the bottom of the sliding block (10), and the testing machine (11) is slidably connected to the U-shaped groove (17).
5. The single cantilever bending test device for carbon fiber tubes for UAVs according to claim 1, characterized in that: The output end of the motor 1 (6) is fixedly connected to the rotating rod (7), and the sliding block (10) is slidably connected to the sliding groove 1 (3).
6. The single cantilever bending test device for carbon fiber tubes for UAVs according to claim 2, characterized in that: The gear (20) is meshed with the toothed plate (19).
7. The single cantilever bending test device for carbon fiber tubes for UAVs according to claim 1, characterized in that: The front side of the operation box (1) is rotatably connected with an inspection door (15).
8. The single cantilever bending test device for carbon fiber tubes for UAVs according to claim 7, characterized in that: A handle (16) is fixedly connected to the front side of the inspection door (15).