Elastomer dynamic fatigue performance testing device

Abstract

The utility model relates to the field of testing devices, in particular to a dynamic fatigue performance testing device for an elastomer. The utility model provides a dynamic fatigue performance testing device for an elastomer, which can simulate the condition of the elastomer in a multi-axial stress state so as to more comprehensively evaluate the performance of the elastomer in a complex stress state. An elastomer dynamic fatigue performance testing device comprises a sliding rail, a sliding seat, a fixing plate and the like, the sliding seat is slidably connected to the upper side of the right portion of the sliding rail, and the fixing plate is connected to the upper side of the sliding seat. According to the utility model, the motor is started to drive the rotating plate to rotate, so that the right sliding piece moves back and forth in the fixed piece and the extension plate, and the left sliding piece moves up and down in the fixed piece and the extension plate, thereby achieving the purpose of simulating the condition of an elastomer in a multi-axial stress state; therefore, the performance of the elastomer in a complex stress state can be evaluated more comprehensively.

Description

Technical Field

[0001] The utility model relates to the field of testing devices, in particular to a dynamic fatigue performance testing device for an elastic body. Background Art

[0002] The elastomer dynamic fatigue performance test device is a precision equipment specially used to evaluate the ability of elastomer materials to resist damage under cyclic loads.

[0003] Existing dynamic fatigue performance testing devices for elastomers usually clamp the elastomer between fixtures and then move the fixtures to test the dynamic fatigue performance of the elastomer. However, due to the single movement route of the fixtures, it is impossible to simulate the situation of the elastomer under a multi-axial stress state during the test, which is not convenient for comprehensively evaluating the performance of the elastomer under a complex stress state.

[0004] Therefore, a dynamic fatigue performance testing device for elastomers has been developed, which can simulate the conditions of elastomers under multi-axial stress states so as to more comprehensively evaluate the performance of elastomers under complex stress states. Utility Model Content

[0005] In order to overcome the shortcomings of existing dynamic fatigue performance testing devices for elastomers, which are unable to simulate the conditions of elastomers under multi-axial stress states and are not convenient for comprehensively evaluating the performance of elastomers under complex stress states, the utility model provides a dynamic fatigue performance testing device for elastomers that can simulate the conditions of elastomers under multi-axial stress states so as to more comprehensively evaluate the performance of elastomers under complex stress states.

[0006] Technical solution: A dynamic fatigue performance testing device for an elastomer, comprising a slide rail, a sliding seat, a fixed plate, a fixed part, a sliding part, a clamping plate, a motor, a rotating plate, a telescopic rod, a spring, a connecting head and a fixed frame. The sliding seat is slidably connected to the upper right side of the slide rail, the fixed plate is connected to the upper side of the sliding seat, the fixed frame is connected to the upper left side of the slide rail, the fixed frame and the fixed plate are both connected to the fixing parts, the fixed parts are slidably connected to the sliding parts, the sliding parts can slide to adjacent extension plates, the clamping plates are connected to the sides of the lower parts of the sliding parts that are close to each other, the clamping plates are slidably connected to the sides of the upper parts of the sliding parts that are close to each other, the motor is connected to the lower part of the fixed plate, the motor is also connected to the front part of the fixed frame, the rotating plate is connected to the motor output shaft, the telescopic rod is connected to the rotating plate, the telescopic end of the telescopic rod is connected to the connecting head, the connecting head is rotatably connected to the adjacent sliding parts, and the telescopic rod is connected to the adjacent connecting head with a spring.

[0007] In addition, it is particularly preferred that a controller is also included, the front side of the middle of the slide rail is connected to the controller, and the motors are connected to the controller through wires.

[0008] In addition, it is particularly preferred that a first knob is further included, and the front and rear parts of the sliding seat are both threadedly connected with the first knob, and the lower side of the first knob is in contact with the sliding rail.

[0009] In addition, it is particularly preferred that an extension plate is further included, and the front and rear sides of the right fixing member are slidably connected to the extension plate, and the upper and lower parts of the left fixing member are slidably connected to the extension plate, and the sliding member can slide to the adjacent extension plate.

[0010] In addition, it is particularly preferred that a second knob is further included, and the extension plates are all threadedly connected with the second knobs, and the second knobs are all in contact with adjacent fixing members.

[0011] In addition, it is particularly preferred that a third knob is further included, the upper sides of the front and rear parts of the lower clamping plate are rotatably connected to the third knob, and the upper clamping plate is threadedly connected to the adjacent third knob.

[0012] Beneficial effects: The utility model starts the motor to drive the rotating plate to rotate, so that the right sliding part moves forward and backward in the fixed part and the extension plate, and the left sliding part moves up and down in the fixed part and the extension plate, thereby achieving the effect of simulating the situation of the elastomer under a multi-axial stress state, so as to more comprehensively evaluate the performance of the elastomer under a complex stress state. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0014] Figure 2 This is a schematic diagram of a partial three-dimensional structure of the first new type of the utility model.

[0015] Figure 3 This is a partial three-dimensional structural schematic diagram of the second novel type of the present utility model.

[0016] Among them, the above-mentioned drawings include the following figure marks: 1-slide rail, 2-controller, 3-sliding seat, 4-first knob, 5-fixed plate, 6-fixed member, 7-extension plate, 8-second knob, 9-sliding member, 10-clamp, 11-third knob, 12-motor, 13-rotating plate, 14-telescopic rod, 15-spring, 16-connecting head, 17-fixed frame. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0018] A dynamic fatigue performance testing device for elastic body, such as Figure 1-Figure 3As shown, it includes a slide rail 1, a controller 2, a sliding seat 3, a first knob 4, a fixing plate 5, a fixing member 6, an extension plate 7, a second knob 8, a sliding member 9, a clamping plate 10, a third knob 11, a motor 12, a rotating plate 13, a telescopic rod 14, a spring 15, a connector 16 and a fixing frame 17. The controller 2 is connected to the front side of the middle part of the slide rail 1, the sliding seat 3 is slidably connected to the upper right side of the slide rail 1, the front and rear parts of the slide seat 3 are both threadedly connected to the first knob 4, the lower side of the first knob 4 is in contact with the slide rail 1, the upper side of the slide seat 3 is connected to the fixing plate 5, the upper left side of the slide rail 1 is connected to the fixing frame 17, the fixing member 6 is connected to the fixing frame 17 and the fixing plate 5, the front and rear sides of the right fixing member 6 are both slidably connected to the extension plate 7, the upper and lower parts of the left fixing member 6 are both slidably connected to the extension plate 7, the extension plate 7 is threadedly connected to the second knob 8, and the second knob 8 is connected to the corresponding The adjacent fixing members 6 are in contact, and the fixing members 6 are all slidably connected with sliding members 9, and the sliding members 9 can slide to the adjacent extension plates 7. The lower sides of the sliding members 9 that are close to each other are connected with clamping plates 10, and the upper sides of the upper parts of the sliding members 9 that are close to each other are slidably connected with clamping plates 10. The upper sides of the front and rear parts of the lower clamping plates 10 are rotatably connected with the third knobs 11, and the upper clamping plates 10 are threadedly connected to the adjacent third knobs 11. The lower part of the fixing plate 5 is connected with a motor 12, and the front part of the fixing frame 17 is also connected with a motor 12. The motors 12 are connected to the controller 2 through electric wires, and the output shafts of the motors 12 are connected with rotating plates 13, and the rotating plates 13 are connected with telescopic rods 14. The telescopic ends of the telescopic rods 14 are connected with connectors 16, and the connectors 16 are rotatably connected to the adjacent sliding members 9, and springs 15 are connected between the telescopic rods 14 and the adjacent connectors 16.

[0019] When using the utility model, first place the slide rail 1 in the dynamic fatigue performance test area of ​​the elastic body, then loosen the first knob 4 according to the length of the elastic body to be tested, move the sliding seat 3, adjust the distance between the sliding seat 3 and the fixing frame 17, and after the adjustment, tighten the first knob 4 to fix the sliding seat 3, and then place the elastic body to be tested between the clamping plates 10. After placement, turn the third knob 11 to move the upper clamping plate 10 downward to clamp the elastic body to be tested, and then loosen the second knob 8 according to the test needs to adjust the position of the extension plate 7. After the adjustment, tighten the second knob. 8. Fix the extension plate 7. After fixation, start the motor 12 through the controller 2 to drive the rotating plate 13 to rotate, so that the telescopic rod 14 rotates, drives the connecting head 16 to move, and the telescopic rod 14 extends. The spring 15 is stretched, so that the right sliding member 9 moves back and forth in the fixing member 6 and the extension plate 7, and the left sliding member 9 moves up and down in the fixing member 6 and the extension plate 7, so that the elastomer is pulled to test the dynamic fatigue performance of the elastomer, thereby simulating the situation of the elastomer under a multi-axial stress state, so as to more comprehensively evaluate the performance of the elastomer under a complex stress state.

[0020] It should be understood that this embodiment is only used to illustrate the present invention and is not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. An elastic body dynamic fatigue performance testing device, characterized in that: The invention comprises a slide rail (1), a slide seat (3), a fixing plate (5), a fixing member (6), a slide member (9), a clamping plate (10), a motor (12), a rotating plate (13), a telescopic rod (14), a spring (15), a connecting head (16) and a fixing frame (17). The upper right side of the slide rail (1) is slidably connected to the slide seat (3), the upper side of the slide seat (3) is connected to the fixing plate (5), the upper left side of the slide rail (1) is connected to the fixing frame (17), the fixing frame (17) and the fixing plate (5) are both connected to the fixing member (6), the fixing member (6) is both slidably connected to the slide member (9), and the lower part of the slide member (9) is connected to the fixing member (6). A clamping plate (10) is connected to the sides close to each other, a clamping plate (10) is slidably connected to the sides close to each other on the upper part of the sliding member (9), a motor (12) is connected to the lower part of the fixed plate (5), and a motor (12) is also connected to the front part of the fixed frame (17), a rotating plate (13) is connected to the output shaft of the motor (12), a telescopic rod (14) is connected to the rotating plate (13), a connecting head (16) is connected to the telescopic end of the telescopic rod (14), the connecting head (16) is rotatably connected to the adjacent sliding member (9), and a spring (15) is connected between the telescopic rod (14) and the adjacent connecting head (16).

2. The elastic body dynamic fatigue performance testing device according to claim 1, characterized in that: It also includes a controller (2), the front side of the middle of the slide rail (1) is connected to the controller (2), and the motor (12) is connected to the controller (2) through wires.

3. The elastic body dynamic fatigue performance testing device according to claim 2, characterized in that: It also includes a first knob (4), and the front and rear parts of the sliding seat (3) are both threadedly connected to the first knob (4), and the lower side of the first knob (4) is in contact with the sliding rail (1).

4. The elastic body dynamic fatigue performance testing device according to claim 3, characterized in that: It also includes an extension plate (7), the front and rear sides of the right fixing member (6) are both slidably connected to the extension plate (7), the upper and lower parts of the left fixing member (6) are both slidably connected to the extension plate (7), and the sliding member (9) can slide onto the adjacent extension plate (7).

5. The elastic body dynamic fatigue performance testing device according to claim 4, characterized in that: It also includes a second knob (8), and the extension plate (7) is threadedly connected with the second knob (8), and the second knob (8) is in contact with the adjacent fixing member (6).

6. The elastic body dynamic fatigue performance testing device according to claim 5, characterized in that: It also includes a third knob (11). The upper sides of the front and rear parts of the lower clamping plate (10) are both rotatably connected to the third knob (11), and the upper clamping plate (10) is threadedly connected to the adjacent third knob (11).

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