Device for testing durability of number of shape memory cycles
By designing a shape memory cycle durability test device with integrated extrusion and pull functions, the problem of cumbersome operation of existing test methods is solved, and efficient durability testing of shape memory materials is achieved.
Patent Information
- Application Number
- CN202421541402.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing shape memory material testing methods require the use of equipment with different functions, which are cumbersome to operate and affect the testing efficiency.
A shape memory cycle durability test device is designed to extrude the shape memory material through cylinders and guide columns, and pull the material with a bidirectional screw and a mobile rack, simplifying the operation process.
The extrusion and pulling test of shape memory materials is realized, and the operation is simple and the testing efficiency and convenience are improved.
Smart Images
Figure CN222812713U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shape memory testing, in particular to a shape memory cycle number durability testing device. Background Art
[0002] Shape memory, from the perspective of materials science, especially in the field of materials science, refers specifically to the ability of a special material, that is, shape memory materials can remember their original shape and restore that shape under certain conditions. The most typical example of such materials is shape memory alloys, which exhibit a unique shape memory effect: the material can be deformed under external force and return to its original form after heating.
[0003] The existing test of shape memory materials requires extruding the shape memory materials through an extruder, and then stretching the shape memory materials through a stretching device, and then testing the durability of the shape memory materials. The current test process requires the use of equipment with different functions, which is cumbersome to operate and affects the efficiency of the test.
[0004] Therefore, it is necessary to design a shape memory cycle durability testing device that can squeeze and pull shape memory materials to achieve durability testing, which is simple to operate, improves test efficiency, and improves the convenience of using the device. Utility Model Content
[0005] In order to overcome the current shortcomings of needing to use devices with different functions to perform testing during the testing process, which is cumbersome to operate and affects the efficiency of the test, the utility model provides a shape memory cycle durability testing device that can squeeze and pull shape memory materials to achieve durability testing, has simple operation, improves test efficiency, and improves the convenience of using the device.
[0006] The technical solution is as follows: A shape memory cycle durability testing device, including a base, a motor, a bidirectional screw, a movable frame, a clamping block, a telescopic frame, a clamping disk, a guide column, a spring and a cylinder. The motor is connected to the front right side of the base, and the output shaft of the motor is connected to the bidirectional screw. The bidirectional screw is rotatably connected to the base, and the left and right movable frames are connected to the bidirectional screw through threads. The movable frames are both slidably connected to the base, and the movable frames are connected to clamping blocks. The telescopic frames are clamped between the clamping blocks, and the left and right clamping disks are connected to the inner side of the lower part of the telescopic frame. The middle part of the telescopic frame is slidably connected to the guide column, a spring is connected between the guide column and the telescopic frame, and the upper part of the base is connected to the cylinder.
[0007] Preferably, the positioning discs are all arc-shaped.
[0008] Preferably, a connecting pipe and a joint are also included. The base is connected to the connecting pipe, and the front part of the connecting pipe is connected to the joint.
[0009] Preferably, a connecting bracket and a threaded clamp are also included, and the connecting bracket can be clamped on the clamping block, and the upper part of the connecting bracket is connected to the threaded clamp via threads.
[0010] Preferably, it further comprises a cover and a camera. The cover is placed on the base, the cover is located on the inner side of the connecting tube, and the rear side of the base is connected to the camera.
[0011] Preferably, a handle is provided on the upper side of the cover.
[0012] The beneficial effects of the utility model are as follows: the telescopic end of the cylinder is extended to contact the guide column, so that the guide column moves downward to repeatedly extrude the shape memory material, and then the bidirectional lead screw rotates in the opposite direction, so that the movable frame moves outward at the same time to pull the shape memory material, thereby being able to extrude and pull the shape memory material to realize durability testing, with simple operation, improved test efficiency, and improved convenience in using the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0014] Figure 2 It is a structural schematic diagram of the utility model.
[0015] Figure 3 This is a schematic diagram of a first partial three-dimensional structure of the utility model.
[0016] Figure 4 This is a schematic diagram of a second partial three-dimensional structure of the utility model.
[0017] Explanation of the reference numerals: 1_base, 2_connecting pipe, 3_connector, 4_motor, 5_bidirectional screw, 6_movable frame, 7_block, 8_telescopic frame, 9_positioning plate, 10_guide column, 11_spring, 12_cylinder, 13_connecting bracket, 14_threaded clamp, 15_cover, 16_camera. DETAILED DESCRIPTION
[0018] The embodiments of the present invention will be described below with reference to the accompanying drawings.
[0019] A shape memory cycle durability testing device, such as Figure 1-4As shown, it includes a base 1, a connecting pipe 2, a joint 3, a motor 4, a bidirectional screw 5, a mobile frame 6, a block 7, a telescopic frame 8, a positioning plate 9, a guide column 10, a spring 11, a cylinder 12, a connecting bracket 13, a threaded clamp 14, a cover 15 and a camera 16. The base 1 is connected to a connecting pipe 2, the front of the connecting pipe 2 is connected to a joint 3, the front right side of the base 1 is connected to a motor 4, the output shaft of the motor 4 is connected to a bidirectional screw 5, the bidirectional screw 5 is rotatably connected to the base 1, and the bidirectional screw 5 is threadedly connected to two left and right mobile frames 6, and the mobile frames 6 are both slidably connected to the base 1. The mobile frames 6 The tops are all connected with clamping blocks 7, telescopic frames 8 are clamped between the clamping blocks 7, left and right clamping plates 9 are connected to the inner side of the lower part of the telescopic frame 8, the clamping plates 9 are all arc-shaped, the middle part of the telescopic frame 8 is slidably connected with a guide column 10, a spring 11 is connected between the guide column 10 and the telescopic frame 8, the upper part of the base 1 is connected with a cylinder 12, the clamping blocks 7 can also be clamped with connecting brackets 13, the upper part of the connecting brackets 13 are all connected with threaded clamps 14 through threads, a cover 15 is placed on the base 1, a handle is provided on the upper side of the cover 15, which is convenient for moving the cover 15 by hand, the cover 15 is located on the inner side of the connecting pipe 2, and a camera 16 is connected to the rear side of the base 1.
[0020] When it is necessary to perform a durability test on the number of shape memory cycles, the device can be used and brought to a place where the number of shape memory cycles needs to be tested for durability. The cover 15 is removed by the handle, and then the telescopic frame 8 is stretched and engaged with the clamping block 7. Then the shape memory material is placed on the base 1, and then the motor 4 is started. The bidirectional screw rod 5 is driven by the motor 4 to rotate. Under the action of the thread, the movable frame 6 moves inward at the same time, thereby causing the telescopic frame 8 to contract, thereby driving the clamping plate 9 to move, so that the clamping plate 9 clamps the shape memory material, and then the cylinder 12 is started. The telescopic end of the cylinder 12 is extended to contact the guide column 10, so that the guide column 10 moves downward and repeatedly squeezes the shape memory material, and the spring 11 is deformed, thereby testing the durability of the shape memory material. After the test is completed, the motor 4 is started to operate in the reverse direction, thereby driving the bidirectional screw rod 5 to rotate in the reverse direction, so that the movable frame 6 and the clamping plate 9 move outward at the same time and disengage from the shape memory material, so that the telescopic frame 8 is extended, and then the telescopic frame 8 and The block 7 is disengaged, and then the telescopic frame 8 and the positioning disk 9 are removed. The positioning disk 9 is both arc-shaped. Then the connecting bracket 13 is clamped with the block 7, and then the threaded clamping plate 14 is twisted to move upward, so that the shape memory material is in contact with the connecting bracket 13, and then the threaded clamping plate 14 is rotated in the opposite direction, so that the threaded clamping plate 14 moves downward to clamp the shape memory material, and then the motor 4 is started to operate in the opposite direction, so that the two-way screw rod 5 rotates in the opposite direction, and then the movable frame 6 moves outward at the same time, so as to pull the shape memory material, so that the shape memory material can be squeezed and pulled to achieve durability testing, which is simple to operate, improves the efficiency of the test, and improves the convenience of using the device. During the test, the camera 16 can be used to record the test process, and the cover 15 is contacted with the base 1 through the handle, and then the temperature control and regulation device is externally connected through the connecting pipe 2, and the temperature is adjusted by the temperature control and regulation device, so as to achieve the durability test of the shape memory material at different temperatures. After the test is completed, the motor 4 and the electric push rod can be turned off.
[0021] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A shape memory cycle durability testing device, characterized in that: The invention comprises a base (1), a motor (4), a bidirectional screw rod (5), a movable frame (6), a clamping block (7), a telescopic frame (8), a clamping plate (9), a guide column (10), a spring (11) and a cylinder (12). The right side of the front part of the base (1) is connected with the motor (4), the output shaft of the motor (4) is connected with the bidirectional screw rod (5), the bidirectional screw rod (5) is rotatably connected with the base (1), the bidirectional screw rod (5) is connected with two movable frames (6) on the left and right sides through threads, the movable frames (6) are slidably connected with the base (1), the movable frames (6) are connected with clamping blocks (7), the telescopic frames (8) are clamped between the clamping blocks (7), the inner side of the lower part of the telescopic frame (8) is connected with the left and right clamping plates (9), the middle part of the telescopic frame (8) is slidably connected with the guide column (10), the guide column (10) and the telescopic frame (8) are connected with the spring (11), and the upper part of the base (1) is connected with the cylinder (12).
2. A shape memory cycle durability testing device according to claim 1, characterized in that: The clamping plates (9) are all arc-shaped.
3. The shape memory cycle durability testing device according to claim 2, characterized in that: It also comprises a connecting pipe (2) and a joint (3); the base (1) is connected to the connecting pipe (2), and the front part of the connecting pipe (2) is connected to the joint (3).
4. The shape memory cycle durability testing device according to claim 3, characterized in that: It also includes a connecting bracket (13) and a threaded clamp (14). The clamping block (7) can also be clamped with the connecting bracket (13), and the upper part of the connecting bracket (13) is connected to the threaded clamp (14) through threads.
5. The shape memory cycle durability testing device according to claim 4, characterized in that: It also includes a cover (15) and a camera (16). The cover (15) is placed on the base (1), the cover (15) is located on the inner side of the connecting tube (2), and the camera (16) is connected to the rear side of the base (1).
6. The shape memory cycle durability testing device according to claim 5, characterized in that: A handle is provided on the upper side of the cover (15).