Performance testing equipment for macromolecular artificial muscle material

Abstract

The utility model provides a polymer artificial muscle material performance test equipment, including strip-shaped test seat, material end seat, movable connecting plate and stretch drive hydraulic cylinder, the top of movable connecting plate is equipped with L-shaped connecting seat, one side of L-shaped connecting seat is provided with locating bearing seat, the bearing of locating bearing seat is assembled and connected with material joint, the material joint is assembled and connected with the stretching drive hydraulic cylinder, and the stretching drive hydraulic cylinder is connected with the material joint. A spur rack is mounted in the middle of the top end of the movable connecting plate, the top end of the spur rack is in meshed connection with a transmission gear ring, and the transmission gear ring fixedly sleeves the outer ring of the material connector; the spur rack is arranged at the top end of the movable connecting plate to be in meshed connection with the transmission gear ring, and the steel wire traction rope, the connecting clamping sleeve, the first reversing roller, the traction rope steering groove, the second reversing roller and other structures are arranged, so that the stretching driving hydraulic cylinder can drive the spur rack to do linear motion, and the transmission gear ring is driven to rotate; rotation load can be conveniently applied to the artificial muscle material, rotation can be carried out for multiple times, and the rotation load is fully applied.

Description

Technical Field

[0001] This utility model belongs to the field of performance testing technology and relates to performance testing equipment for polymer artificial muscle materials. Background Technology

[0002] Research into polymeric artificial muscle materials began in the 1940s, but significant progress has only been made in the last decade or so. This is due to the emergence of specialized polymeric materials and smart materials in recent years, which have provided new opportunities for the development of artificial muscle research. These new materials often possess remarkable abilities. Some materials can exhibit various complex states in response to changes in electric current, such as bending, stretching, twisting, and contracting, and their behavior closely resembles that of real muscle fibers. The development of artificial muscles is not only of great significance to medicine but also crucial to the development of robotics.

[0003] In the research stage of artificial muscle materials, it is necessary to test the mechanical properties of the materials, which requires the use of testing equipment. Patent No. CN202221221805.5 discloses a mechanical property testing device for medical alloy materials. This utility model, by setting a sliding plate and an adjustable first hydraulic cylinder, can be applied to test artificial joints of different lengths and can apply tensile or compressive forces to the artificial joints. By setting a lifting component, the height of the load-bearing part can be adjusted, thereby meeting the testing requirements of joints with curved or irregular structures. By setting a second hydraulic cylinder, torsional loads can be applied to the artificial joints.

[0004] The above-designed testing device is applied to polymer artificial muscle materials. However, it has the following drawbacks: applying torsional loads requires activating a second hydraulic cylinder, the overall design is relatively cumbersome, it involves a lot of electrical equipment, and the torsional angle is only a quarter radius, limiting the testing scope. Therefore, we designed a performance testing device for polymer artificial muscle materials. Summary of the Invention

[0005] The purpose of this invention is to provide a performance testing device for polymer artificial muscle materials to solve the problems mentioned in the background art.

[0006] The objective of this utility model can be achieved through the following technical solution: a performance testing device for polymer artificial muscle materials, comprising a strip-shaped test seat, a material end seat, a movable connecting plate, and a tensile driving hydraulic cylinder. A strip-shaped sliding groove is provided on the other side of the top of the strip-shaped test seat. The movable connecting plate is movably disposed inside the strip-shaped sliding groove via a slider. An L-shaped connecting seat is installed at the top of the movable connecting plate. A positioning bearing seat is provided on one side of the L-shaped connecting seat. A material joint is assembled and connected to the bearing of the positioning bearing seat. A straight rack is installed in the middle of the top of the movable connecting plate. A transmission gear ring is meshed with the top of the straight rack. The transmission gear ring is fixedly sleeved on the outer ring of the material joint.

[0007] The tensile driving hydraulic cylinder is located on the other side of the top of the strip test seat and corresponds to the strip sliding groove. The output end of the tensile driving hydraulic cylinder is equipped with a snap-fit ​​connecting rod. One end of the snap-fit ​​connecting rod is equipped with a connecting cap. A plug mounting sleeve is inserted into the plug of the connecting cap. The top of the plug mounting sleeve is equipped with a positioning pin that connects to the plug of the connecting cap. The plug mounting sleeve is connected to the other side of the L-shaped connecting seat.

[0008] In the aforementioned performance testing equipment for polymer artificial muscle materials, a steel wire traction rope is installed at one end of the straight rack, and a connecting sleeve is installed at one end of the steel wire traction rope.

[0009] In the aforementioned performance testing equipment for polymer artificial muscle materials, the material end seat is fixedly installed on one side of the top of the strip-shaped test seat, and a material limiting connection bracket is installed at the top of the material end seat.

[0010] In the aforementioned performance testing equipment for polymer artificial muscle materials, a connecting sleeve is connected through the interior of the material limiting connecting bracket, and a connecting stud connected to the connecting sleeve is installed at the top of the material limiting connecting bracket.

[0011] In the aforementioned performance testing equipment for polymer artificial muscle materials, a first reversing roller and a second reversing roller are installed at the top of the movable connecting plate, and both the first reversing roller and the second reversing roller are connected to a steel wire traction rope.

[0012] In the aforementioned performance testing equipment for polymer artificial muscle materials, a traction rope steering groove is provided at the bottom of the front side of the L-shaped connector.

[0013] Compared with existing technologies, the advantages of this utility model's performance testing equipment for polymer artificial muscle materials are as follows: By setting a straight rack at the top of the movable connecting plate to mesh with the transmission gear ring, and by setting up a steel wire traction rope, connecting sleeve, first reversing roller, traction rope steering groove, and second reversing roller, the tension drive hydraulic cylinder can drive the straight rack to make linear motion, thereby driving the transmission gear ring to rotate. This facilitates the application of rotational loads to the artificial muscle material and allows for multiple rotations to fully apply the rotational load. By setting up a locking connecting rod, connecting cap, positioning pin, and plug mounting sleeve, the tension drive hydraulic cylinder can be quickly connected and disassembled with the L-shaped connecting seat. This allows for easy control of the stretching and rotation of the artificial muscle material using a single tension drive hydraulic cylinder, providing excellent testing convenience. At the same time, the optimized structural layout reduces the weight of the device. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the performance testing equipment for the polymer artificial muscle material of this utility model.

[0015] Figure 2 This is a three-dimensional structural diagram of the movable connecting plate of the performance testing equipment for polymer artificial muscle material of this utility model.

[0016] Figure 3 This is a three-dimensional structural diagram of the hydraulic cylinder for stretching drive in the performance testing equipment for polymer artificial muscle materials of this utility model.

[0017] In the diagram, 1. Strip test seat; 2. Material end seat; 3. Material limit connecting bracket; 4. Connecting sleeve; 5. Connecting stud; 6. Strip sliding groove; 7. Movable connecting plate; 8. Tension drive hydraulic cylinder; 9. L-shaped connecting seat; 10. Positioning bearing seat; 11. Transmission gear ring; 12. Straight rack; 13. Material joint; 14. Steel wire traction rope; 15. Connecting sleeve; 16. First reversing roller; 17. Traction rope steering groove; 18. Second reversing roller; 19. Connecting rod; 20. Connecting cap; 21. Positioning pin; 22. Plug mounting sleeve. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] like Figure 1 , Figure 2 and Figure 3 As shown, this utility model relates to a performance testing device for polymer artificial muscle materials.

[0020] Implementation 1: The performance testing equipment includes a strip test stand 1, a material end seat 2, a movable connecting plate 7, and a tensile drive hydraulic cylinder 8. A strip sliding groove 6 is provided on the other side of the top of the strip test stand 1. The movable connecting plate 7 is movably set inside the strip sliding groove 6 by a slider. An L-shaped connecting seat 9 is installed on the top of the movable connecting plate 7. A positioning bearing seat 10 is provided on one side of the L-shaped connecting seat 9. A material joint 13 is assembled and connected at the bearing of the positioning bearing seat 10. A straight rack 12 is installed in the middle of the top of the movable connecting plate 7. A transmission gear ring 11 is meshed and connected at the top of the straight rack 12. The transmission gear ring 11 is fixedly sleeved on the outer ring of the material joint 13.

[0021] like Figure 1 and Figure 3 As shown, the tensile driving hydraulic cylinder 8 is located on the other side of the top of the strip test seat 1 and corresponds to the strip sliding groove 6. The output end of the tensile driving hydraulic cylinder 8 is equipped with a snap-fit ​​connecting rod 19. One end of the snap-fit ​​connecting rod 19 is equipped with a connecting cap 20. A plug mounting sleeve 22 is inserted into the plug of the connecting cap 20. The top of the plug mounting sleeve 22 is equipped with a positioning pin 21 that connects to the plug of the connecting cap 20. The plug mounting sleeve 22 is connected to the other side of the L-shaped connecting seat 9.

[0022] The above design enables quick connection and disassembly of the stretching drive hydraulic cylinder 8 and the L-shaped connecting seat 9, facilitating the control of the stretching and rotation of the artificial muscle material through a single stretching drive hydraulic cylinder 8, providing good testing convenience, while optimizing the structural layout and reducing the weight of the device.

[0023] Example 2: A steel wire traction rope 14 is installed at one end of the rack 12, and a connecting sleeve 15 is installed at one end of the steel wire traction rope 14; a first reversing roller 16 and a second reversing roller 18 are installed at the top of the movable connecting plate 7, and both the first reversing roller 16 and the second reversing roller 18 are connected to the steel wire traction rope 14; a traction rope turning groove 17 is provided at the bottom of the front of the L-shaped connecting seat 9.

[0024] The above structural design enables the steel wire traction rope 14 to be reversed first through the first reversing roller 16, then through the traction rope turning groove 17, and finally through the second reversing roller 18, so that the connecting sleeve 15 is connected to the locking connecting rod 19 of the tension drive hydraulic cylinder 8, driving the rack 12 to move, thereby causing the transmission gear ring 11 to rotate and applying rotational load to the artificial muscle material.

[0025] Example 2: The material end seat 2 is fixedly installed on one side of the top of the strip test seat 1. The top of the material end seat 2 is equipped with a material limiting connecting bracket 3. A connecting sleeve 4 is connected through the inside of the material limiting connecting bracket 3. A connecting stud 5 connected to the connecting sleeve 4 is installed at the top of the material limiting connecting bracket 3.

[0026] The above structural design allows one end of the rope-shaped artificial muscle material to be connected to the connecting sleeve 4, and the connection is strengthened by the connecting stud 5, which facilitates better joint connection.

[0027] Working principle: One end of the rope-shaped artificial muscle material is connected to the connecting sleeve 4, and the connection is strengthened by the connecting stud 5. The other end of the artificial muscle material is firmly connected to the material joint 13. By finely adjusting the tension drive hydraulic cylinder 8, the artificial muscle material is kept in a straight but unloaded state. Measurement sensors and other measuring equipment are installed. During testing, the tension drive hydraulic cylinder 8 is controlled to move the movable connecting plate 7 to test the tensile force of the material. When a load needs to be applied, the positioning pin 21 connected to the plug of the connecting cap 20 is removed. After three reversals, the steel wire traction rope 14 is connected to the locking connecting rod 19 of the tension drive hydraulic cylinder 8 through the connecting sleeve 15. The tension drive hydraulic cylinder 8 continues to stretch, driving the straight rack 12 to move, which in turn causes the transmission gear ring 11 to rotate, applying a rotational load to the artificial muscle material for testing.

[0028] In this utility model, the central axis of the connecting sleeve 4, the central axis of the material joint 13, and the central axis of the clamping connecting rod 19 are all the same axis, and the central axis of the steel wire traction rope 14 after three reversals is the same as the central axis of the clamping connecting rod 19.

[0029] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A performance testing device for polymer artificial muscle materials, comprising a strip test stand (1), a material end stand (2), a movable connecting plate (7), and a tensile drive hydraulic cylinder (8), characterized in that, A strip-shaped sliding groove (6) is provided on the other side of the top of the strip-shaped test seat (1). The movable connecting plate (7) is movably set inside the strip-shaped sliding groove (6) by a slider. An L-shaped connecting seat (9) is installed at the top of the movable connecting plate (7). A positioning bearing seat (10) is provided on one side of the L-shaped connecting seat (9). A material joint (13) is assembled and connected at the bearing of the positioning bearing seat (10). A straight rack (12) is installed in the middle of the top of the movable connecting plate (7). A transmission gear ring (11) is meshed at the top of the straight rack (12). The transmission gear ring (11) is fixedly sleeved on the outer ring of the material joint (13). The tensile driving hydraulic cylinder (8) is located on the other side of the top of the strip test seat (1) and corresponds to the strip sliding groove (6). The output end of the tensile driving hydraulic cylinder (8) is equipped with a snap-fit ​​connecting rod (19). One end of the snap-fit ​​connecting rod (19) is equipped with a connecting cap (20). A plug mounting sleeve (22) is inserted into the plug of the connecting cap (20). The top of the plug mounting sleeve (22) is equipped with a positioning pin (21) that connects to the plug of the connecting cap (20). The plug mounting sleeve (22) is connected to the other side of the L-shaped connecting seat (9).

2. The performance testing equipment for polymeric artificial muscle materials according to claim 1, characterized in that, A steel wire traction rope (14) is installed at one end of the straight rack (12), and a connecting sleeve (15) is installed at one end of the steel wire traction rope (14).

3. The performance testing equipment for polymeric artificial muscle materials according to claim 1, characterized in that, The material end seat (2) is fixedly installed on one side of the top of the strip test seat (1), and a material limiting connection seat (3) is installed on the top of the material end seat (2).

4. The performance testing equipment for polymer artificial muscle materials according to claim 3, characterized in that, The material limiting connecting card holder (3) has a connecting sleeve (4) that runs through its interior, and a connecting stud (5) that connects to the connecting sleeve (4) is installed at the top of the material limiting connecting card holder (3).

5. The performance testing equipment for polymer artificial muscle materials according to claim 2, characterized in that, The top of the movable connecting plate (7) is equipped with a first reversing roller (16) and a second reversing roller (18), both of which are connected to the steel wire traction rope (14).

6. The performance testing equipment for polymeric artificial muscle materials according to claim 1, characterized in that, The L-shaped connector (9) has a traction rope steering groove (17) at the bottom of its front side.

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