Clamp for detecting strength of aluminum alloy pipe

Abstract

The utility model belongs to the field of clamps for strength detection, and particularly relates to a clamp for strength detection of an aluminum alloy pipe, which comprises a base, two symmetrically distributed connecting columns are slidably connected in the base, the upper ends of each pair of connecting columns are jointly and fixedly connected with a top frame, and connecting lugs are fixedly connected in the top frame. A clamping mechanism is arranged on the top frame, the upper end of the base is fixedly connected with a cambered surface seat, a pipe fitting is placed in the cambered surface seat, and the lower end of a connecting column is fixedly connected with a lifting frame. The lifting frame, the threaded frame, the connecting column and other structures are additionally arranged on the base, in the using process, the lifting frame and the connecting column can be driven to move through threaded fit between the threaded rod and the threaded frame, and in the moving process of the connecting column, the height of the clamping plate can be adjusted through the top frame; and therefore, the distance between the clamping plate and the cambered surface seat can be adjusted, and the clamp is more convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of strength testing fixtures, specifically a fixture for testing the strength of aluminum alloy tubes. Background Technology

[0002] Aluminum alloy tubes are tubular products made of aluminum alloy material. They are lightweight, high-strength, corrosion-resistant, and easy to process, and are widely used in aerospace, automotive manufacturing, construction, electronics, and sporting goods industries. During the production of aluminum alloy tubes, strength testing is required. To ensure the stability of the test, clamps are used to hold the tubes. However, existing clamps cannot adjust their clamping range according to the tube diameter, affecting their applicability. Furthermore, the threaded clamping method results in low replacement efficiency, impacting testing efficiency. Therefore, improvements to existing technologies are needed. Utility Model Content

[0003] The purpose of this invention is to provide a clamp for testing the strength of aluminum alloy tubes, which solves the problems of inconvenient adjustment of the clamping range and low clamping efficiency.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a clamp for testing the strength of aluminum alloy tubes, comprising a base, two symmetrically distributed connecting columns slidingly connected inside the base, a top frame fixedly connected to the upper end of each pair of connecting columns, a connecting ear fixedly connected inside the top frame, a clamping mechanism provided on the top frame, an arc-shaped seat fixedly connected to the upper end of the base, a tube fitting placed inside the arc-shaped seat, a lifting frame fixedly connected to the lower end of the connecting columns, a threaded frame fixedly connected to the front of the lifting frame, a screw mounted on the lower end of the base via a bearing, a bevel gear one fixedly connected to the upper outer side of the screw, a bevel gear two meshing with the outer side of the bevel gear one, and a rotating shaft fixedly connected to the outer side of the bevel gear two.

[0005] Preferably, a reinforcing tube is fixedly connected to the upper end of the base, and the reinforcing tube is slidably connected to the connecting column. The reinforcing tube can increase the movement stability of the connecting column.

[0006] Preferably, a support frame is mounted on the lower outer side of the screw via a bearing, and the support frame is fixedly connected to the base, so that the support frame can support the screw.

[0007] Preferably, a handwheel is fixedly connected to one end of the rotating shaft, the screw meshes with the threaded bracket, and a support seat is fixedly connected to the lower end of the base. The support seat is connected to the rotating shaft through a bearing, and the support seat can support the rotating shaft.

[0008] Preferably, the clamping mechanism includes a clamping plate, which is slidably connected to the inside of the top frame. Two symmetrically distributed guide rod frames are fixedly connected to the outside of the clamping plate. Springs are provided on the outside of the guide rod frames. A baffle is fixedly connected to the upper end of the clamping plate. The clamping plate is slidably connected to the pipe fitting, and the guide rod frames are slidably connected to the connecting lug. The baffle can limit the position of the clamping plate.

[0009] Preferably, the baffle contacts the top frame, one end of the spring is fixedly connected to the connecting lug, and the other end of the spring is fixedly connected to the clamping plate. The spring can automatically reset the clamping plate through its elastic force.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This utility model adds a lifting frame, a threaded frame, and a connecting column to the base. During use, the lifting frame and the connecting column can be moved by the threaded engagement between the screw and the threaded frame. During the movement of the connecting column, the height of the clamping plate can be adjusted by the top frame, thereby adjusting the distance between the clamping plate and the arc surface seat, making the clamp more convenient to use.

[0012] 2. This utility model adds a guide rod frame, clamping plate and spring to the top frame. When it is necessary to clamp the pipe fitting, push the clamping frame into the inside of the top frame. After the pipe fitting is placed, the clamping plate can be driven by the spring force to slide to the outside of the pipe fitting to limit the pipe fitting, thereby making the pipe fitting easier to install and disassemble. Attached Figure Description

[0013] Figure 1 The overall structure of this utility model is three-dimensional. Figure 1 ;

[0014] Figure 2 The overall structure of this utility model is three-dimensional. Figure 2 ;

[0015] Figure 3 For the present utility model Figure 1 A 3D view of the lifting frame;

[0016] Figure 4 For the present utility model Figure 1 A three-dimensional magnified view of the clamping plate;

[0017] Figure 5 For the present utility model Figure 1 Enlarged view of the A-section structure;

[0018] Figure 6 For the present utility model Figure 2 Enlarged view of the structure of part B.

[0019] In the diagram: 1. Base; 2. Connecting column; 3. Top frame; 4. Connecting ear; 5. Clamping mechanism; 6. Arc-shaped seat; 7. Pipe fitting; 8. Reinforcing pipe; 9. Lifting frame; 10. Threaded frame; 11. Screw; 12. Support frame; 13. Bevel gear one; 14. Bevel gear two; 15. Rotating shaft; 16. Handwheel; 17. Support seat; 51. Clamping plate; 52. Guide rod frame; 53. Spring; 54. Baffle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1 , Figure 2 , Figure 3 , Figure 6 A clamp for testing the strength of aluminum alloy tubes includes a base 1. Two symmetrically distributed connecting columns 2 are slidably connected inside the base 1. A top frame 3 is fixedly connected to the upper end of each pair of connecting columns 2. A connecting ear 4 is fixedly connected inside the top frame 3. A clamping mechanism 5 is provided on the top frame 3. An arc-shaped seat 6 is fixedly connected to the upper end of the base 1. A tube fitting 7 is placed inside the arc-shaped seat 6. A lifting frame 9 is fixedly connected to the lower end of the connecting columns 2. A threaded frame 10 is fixedly connected to the front of the lifting frame 9. A screw 11 is installed at the lower end of the base 1 through a bearing. A bevel gear 13 is fixedly connected to the upper outer side of the screw 11. A bevel gear 14 meshes with the outer side of the bevel gear 13. A rotating shaft 15 is fixedly connected to the outer side of the bevel gear 14.

[0022] Please see Figure 1 , Figure 2 , Figure 3 , Figure 6 A reinforcing tube 8 is fixedly connected to the upper end of the base 1. The reinforcing tube 8 is slidably connected to the connecting column 2. The reinforcing tube 8 can increase the movement stability of the connecting column 2. A support frame 12 is installed on the lower outer side of the screw 11 through a bearing. The support frame 12 is fixedly connected to the base 1. The support frame 12 can support the screw 11. A handwheel 16 is fixedly connected to one end of the rotating shaft 15. The screw 11 meshes with the threaded frame 10. A support seat 17 is fixedly connected to the lower end of the base 1. The support seat 17 is connected to the rotating shaft 15 through a bearing. The support seat 17 can support the rotating shaft 15.

[0023] Please see Figure 1 , Figure 4 , Figure 5 The clamping mechanism 5 includes a clamping plate 51. The clamping plate 51 is slidably connected inside the top frame 3. Two symmetrically distributed guide rod frames 52 are fixedly connected to the outside of the clamping plate 51. A spring 53 is provided on the outside of the guide rod frames 52. A baffle 54 is fixedly connected to the upper end of the clamping plate 51. The clamping plate 51 is slidably connected to the pipe fitting 7. The guide rod frames 52 are slidably connected to the connecting ear 4. The baffle 54 can limit the clamping plate 51. The baffle 54 is in contact with the top frame 3. One end of the spring 53 is fixedly connected to the connecting ear 4. The other end of the spring 53 is fixedly connected to the clamping plate 51. The spring 53 can automatically reset the clamping plate 51 through its elastic force.

[0024] The specific implementation process of this utility model is as follows: In use, turn the handwheel 16. The handwheel 16 drives the bevel gear 14 to rotate through the rotating shaft 15. The bevel gear 14 drives the screw 11 to rotate through the bevel gear 13. During the rotation of the screw 11, the lifting frame 9 can be moved through the threaded engagement with the threaded frame 10. During the movement of the lifting frame 9, the height of the top frame 3 can be adjusted through the connecting column 2. After the adjustment is completed, stop turning the handwheel 16 and push the clamping plate 51. During the movement of the clamping plate 51, the spring 53 can be compressed. When the clamping plate 51 moves into the inside of the top frame 3, the pipe 7 is placed above the arc seat 6. Then release the clamping plate 51, and the spring 53 returns to its original position. The spring 53 can drive the clamping plate 51 to slide to the outside of the pipe 7 through its elastic force, thus completing the clamping of the pipe 7. Then, the pipe 7 is subjected to a compression test from above by a strength tester.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A clamp for testing the strength of aluminum alloy tubes, comprising a base (1), characterized in that: The base (1) has two symmetrically distributed connecting columns (2) that slide inside. Each pair of connecting columns (2) is fixedly connected to a top frame (3). The top frame (3) is fixedly connected to a connecting ear (4). The top frame (3) is equipped with a clamping mechanism (5). The upper end of the base (1) is fixedly connected to an arc surface seat (6). The arc surface seat (6) contains a pipe fitting (7). The lower end of the connecting column (2) is fixedly connected to a lifting frame (9). The front of the lifting frame (9) is fixedly connected to a threaded frame (10). The lower end of the base (1) is equipped with a screw (11) through a bearing. The upper outer side of the screw (11) is fixedly connected to a bevel gear one (13). The outer side of the bevel gear one (13) is meshed with a bevel gear two (14). The outer side of the bevel gear two (14) is fixedly connected to a rotating shaft (15).

2. The fixture for testing the strength of aluminum alloy tubes according to claim 1, characterized in that: The upper end of the base (1) is fixedly connected to a reinforcing tube (8), and the reinforcing tube (8) is slidably connected to the connecting column (2).

3. The fixture for testing the strength of aluminum alloy tubes according to claim 1, characterized in that: A support frame (12) is mounted on the lower outer side of the screw (11) via a bearing, and the support frame (12) is fixedly connected to the base (1).

4. The fixture for testing the strength of aluminum alloy tubes according to claim 1, characterized in that: A handwheel (16) is fixedly connected to one end of the rotating shaft (15), the screw (11) meshes with the threaded frame (10), and a support seat (17) is fixedly connected to the lower end of the base (1). The support seat (17) is connected to the rotating shaft (15) through a bearing.

5. A fixture for testing the strength of aluminum alloy tubes according to claim 1, characterized in that: The clamping mechanism (5) includes a clamping plate (51). The clamping plate (51) is slidably connected inside the top frame (3). Two symmetrically distributed guide rod frames (52) are fixedly connected to the outside of the clamping plate (51). A spring (53) is provided on the outside of the guide rod frame (52). A baffle (54) is fixedly connected to the upper end of the clamping plate (51). The clamping plate (51) is slidably connected to the pipe fitting (7). The guide rod frame (52) is slidably connected to the connecting ear (4).

6. A fixture for testing the strength of aluminum alloy tubes according to claim 5, characterized in that: The baffle (54) contacts the top frame (3), one end of the spring (53) is fixedly connected to the connecting ear (4), and the other end of the spring (53) is fixedly connected to the clamping plate (51).

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