A tire block fatigue crack propagation test device

Abstract

The utility model relates to test device's technical field especially relates to a kind of tire tread block fatigue crack propagation test device, it is limited to tire by limiting device, it is rotated to tire by rotating device, it is tested to tire by testing device, it is temperature regulated by adjusting device, it is monitored to tire crack by monitoring device;Including operation platform;It further includes limiting device, rotating device, testing device, adjusting device and monitoring device, limiting device, testing device, adjusting device and monitoring device are all installed on operation platform, rotating device is installed on limiting device;Limiting device is limited, rotating device is rotated, testing device is tested, adjusting device is temperature regulated, monitoring device is monitored.

Description

Technical Field

[0001] This utility model relates to the technical field of testing devices, and in particular to a fatigue crack propagation testing device for tire tread blocks. Background Technology

[0002] During tire rolling, the tread blocks are continuously subjected to alternating stress, which can easily lead to the generation and propagation of fatigue cracks. Obtaining key parameters such as fatigue crack propagation rate through testing can provide direct evidence for tire design and material improvement, thereby extending tire service life. Therefore, a tire tread block fatigue crack propagation testing device has been developed.

[0003] For example, in a class of prior art represented by application number CN201820918667.3, the main structure includes a motor, counter, sensor, transmission wheel, round bar, detection plate, belt, bracket, base plate, and electrical control module. The transmission wheel includes a driving wheel and a driven wheel. The motor and bracket are both mounted on the base plate, while the counter, sensor, driving wheel, driven wheel, round bar, detection plate, and electrical control module are all mounted on the bracket. The motor's output shaft is connected to the driving wheel via a belt, and the counter is connected to the sensor. The test results are accurate and the test efficiency is high.

[0004] During use, it was found that the existing tire tread block fatigue crack propagation test device is not convenient for simulating the high temperature environment of tires and cannot predict the fatigue behavior of tires under actual complex working conditions. Therefore, there is an urgent need for a tire tread block fatigue crack propagation test device. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a tire tread block fatigue crack propagation testing device that uses a limiting device to limit the tire, a rotating device to rotate the tire, a testing device to test the tire, an adjusting device to adjust the temperature, and a monitoring device to monitor tire cracks.

[0006] This utility model discloses a tire tread block fatigue crack propagation testing device, including an operating platform; it also includes a limiting device, a rotating device, a testing device, an adjusting device, and a monitoring device. The limiting device, testing device, adjusting device, and monitoring device are all mounted on the operating platform, and the rotating device is mounted on the limiting device. The limiting device limits the tire, the rotating device rotates the tire, the adjusting device adjusts the temperature, and the monitoring device monitors the tire cracks.

[0007] Preferably, the operating table includes a base, a compartment, and a sealing door. The base is installed in the working area and has a sliding groove. The compartment is installed at the top of the base, and the sealing door is installed at the side of the compartment. The base provides support, and the compartment and the sealing door form a sealed space.

[0008] Preferably, the limiting device includes a motor, a bidirectional lead screw, a limiting block 1, and a limiting block 2. The motor is installed on the side of the base, and the output end of the motor is rotatably connected to the input end of the bidirectional lead screw. The limiting block 1 and the limiting block 2 are both installed on the bidirectional lead screw by threaded connection, and the limiting block 1 and the limiting block 2 are both slidably installed on the slide groove. When the motor 1 is started, it drives the bidirectional lead screw to rotate, thereby enabling the limiting block 1 and the limiting block 2 to move in opposite directions on the slide groove.

[0009] Preferably, the rotating device includes a second motor, a first turntable, and a second turntable. The second motor is mounted on the side of the first limiting block and has an output shaft. The first turntable is mounted on the side of the output shaft of the second motor and has two sets of clamping blocks. The second turntable is mounted on the top of the second limiting block via a bearing seat and has two sets of clamping blocks. The tire axle is limited by the two sets of clamping blocks and the two sets of clamping blocks. The tire axle is rotated by starting the second motor.

[0010] Preferably, the testing device includes a dual-axis cylinder, a lifting platform, and a test plate. The dual-axis cylinder is installed at the bottom of the base and has two sets of output shafts. The lifting platform is installed at the top of the two sets of output shafts of the dual-axis cylinder, and the test plate is installed at the top of the lifting platform. By starting the dual-axis cylinder, the two sets of output shafts of the dual-axis cylinder are extended, which in turn drives the test plate to rise, and the tire is tested through the test plate.

[0011] Preferably, the regulating device includes a temperature regulator installed inside the chamber; the internal temperature of the chamber is adjusted by activating the temperature regulator.

[0012] Preferably, the monitoring device includes an electric telescopic rod, a mounting platform, and a camera. The electric telescopic rod is installed at the top of the compartment and has an output shaft. The mounting platform is installed at the bottom of the output shaft of the electric telescopic rod, and the camera is installed at the bottom of the mounting platform. By activating the electric telescopic rod, the output shaft of the electric telescopic rod extends, lowering the mounting platform and the camera, and the camera monitors tire cracks.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the tire is limited by a limiting device, the tire is rotated by a rotating device, the tire is tested by a testing device, the temperature is regulated by an adjusting device, and the tire cracks are monitored by a monitoring device. Attached Figure Description

[0014] Figure 1 This is the structural isometric drawing of this utility model; Figure 2 yes Figure 1 Structural isometric view of the operating table and testing device in this utility model; Figure 3 yes Figure 1 Structural isometric drawing of the operating table and limiting device in this utility model; Figure 4 yes Figure 1 Enlarged isometric view of the structure of the control panel and adjustment device in this utility model; Figure 5 yes Figure 3 A partially enlarged schematic diagram of the rotating device.

[0015] The attached diagram is labeled as follows: 01, operating platform; 11, base; 12, slide rail; 13, chamber body; 14, sealing door; 02, limit device; 21, motor one; 22, double-acting lead screw; 23, limit block one; 24, limit block two; 03, rotating device; 31, motor two; 32, turntable one; 33, clamping block one; 34, bearing seat; 35, turntable two; 36, clamping block two; 04, testing device; 41, dual-axis cylinder; 42, lifting platform; 43, test plate; 05, adjusting device; 51, temperature regulator; 06, monitoring device; 61, electric telescopic rod; 62, mounting platform; 63, camera. Detailed Implementation

[0016] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0017] Example 1 A fatigue crack propagation test device for tire tread blocks includes an operating table 01; characterized in that it further includes a limiting device 02, a rotating device 03, a testing device 04, an adjusting device 05, and a monitoring device 06, wherein the limiting device 02, the testing device 04, the adjusting device 05, and the monitoring device 06 are all installed on the operating table 01, and the rotating device 03 is installed on the limiting device 02. Limiting device 02 limits movement, rotating device 03 rotates, testing device 04 performs testing, adjusting device 05 adjusts temperature, and monitoring device 06 monitors. The operating table 01 includes a base 11, a compartment 13, and a sealing door 14. The base 11 is installed in the working area and has a sliding groove 12. The compartment 13 is installed at the top of the base 11, and the sealing door 14 is installed at the side of the compartment 13. The limiting device 02 includes a motor 21, a bidirectional lead screw 22, a limiting block 23, and a limiting block 24. The motor 21 is installed on the side of the base 11, and the output end of the motor 21 is rotatably connected to the input end of the bidirectional lead screw 22. The limiting blocks 23 and 24 are both installed on the bidirectional lead screw 22 by threaded connection, and the limiting blocks 23 and 24 are both slidably installed on the slide groove 12. The rotating device 03 includes a second motor 31, a first turntable 32, and a second turntable 35. The second motor 31 is installed on the side end of the first limit block 23 and has an output shaft. The first turntable 32 is installed on the side end of the output shaft of the second motor 31 and has two sets of clamping blocks 33. The second turntable 35 is installed on the top of the second limit block 24 through a bearing seat 34 and has two sets of clamping blocks 36. The testing device 04 includes a dual-axis cylinder 41, a lifting platform 42, and a testing plate 43. The dual-axis cylinder 41 is installed at the bottom of the base 11 and has two sets of output shafts. The lifting platform 42 is installed at the top of the two sets of output shafts of the dual-axis cylinder 41, and the testing plate 43 is installed at the top of the lifting platform 42. The monitoring device 06 includes an electric telescopic rod 61, a mounting platform 62, and a camera 63. The electric telescopic rod 61 is installed at the top of the chamber 13 and has an output shaft. The mounting platform 62 is installed at the bottom of the output shaft of the electric telescopic rod 61, and the camera 63 is installed at the bottom of the mounting platform 62. Limiting device 02 performs limiting, rotating device 03 performs rotation, testing device 04 performs testing, and monitoring device 06 performs monitoring; The tire is mounted on the tire axle, which is then placed between turntable 32 and turntable 35. Motor 21 is activated, causing the bidirectional lead screw 22 to rotate, allowing limit blocks 23 and 24 to move in opposite directions on the slide groove 12. The tire axle is then limited by two sets of clamping blocks 33 and 36. Motor 31 is then activated, causing the tire axle to rotate. The dual-axis cylinder 41 is activated, extending its two output shafts and simultaneously raising the test plate 43 to contact the tire surface. The tire is then tested using the test plate 43. Finally, the electric telescopic rod 61 is activated, extending its output shaft and lowering the mounting platform 62 and camera 63, allowing the camera 63 to monitor tire cracks.

[0018] Example 2 like Figures 1 to 5 As shown, in addition to Embodiment 1, an adjustment device 05 is also included; The regulating device 05 includes a temperature regulator 51, which is installed inside the chamber 13; Temperature is regulated by regulating device 05; By activating the temperature regulator 51, the internal temperature of the compartment 13 is adjusted, enabling the tire to be tested under different temperature conditions.

[0019] This utility model discloses a fatigue crack propagation testing device for tire tread blocks. During operation, the tire is first mounted on the tire axle. Then, the tire axle is placed between turntable 32 and turntable 35. Motor 21 is then activated, driving the bidirectional lead screw 22 to rotate. This causes the limiting blocks 23 and 24 to move in opposite directions on the slide groove 12. The tire axle is then limited by two sets of clamping blocks 33 and 36. Motor 31 is then activated, driving the tire axle to rotate. Finally, a dual-shaft pneumatic... When cylinder 41 is started, the two output shafts of the dual-shaft cylinder 41 extend, and at the same time, the test plate 43 rises, so that the test plate 43 contacts the tire surface. The tire is then tested through the test plate 43. Then, the internal temperature of the compartment 13 is adjusted by the activation of the temperature regulator 51, so that the tire can be tested under different temperature environments. When the electric telescopic rod 61 is started, the output shaft of the electric telescopic rod 61 extends, and the mounting platform 62 and camera 63 are lowered. The tire cracks can then be monitored through the camera 63.

[0020] The motor 21, motor 31, dual-axis cylinder 41, test plate 43, temperature regulator 51, electric telescopic rod 61, and camera 63 of this utility model are purchased from the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0021] The main function of this invention is to enable tire testing under different temperature conditions.

[0022] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A fatigue crack propagation testing device for tire tread blocks, comprising an operating table (01); characterized in that, It also includes a limit device (02), a rotating device (03), a testing device (04), an adjusting device (05), and a monitoring device (06). The limit device (02), the testing device (04), the adjusting device (05), and the monitoring device (06) are all installed on the operating table (01), and the rotating device (03) is installed on the limit device (02). The limiting device (02) limits the movement, the rotating device (03) rotates the movement, the testing device (04) performs the test, the adjusting device (05) adjusts the temperature, and the monitoring device (06) monitors the temperature.

2. The fatigue crack propagation test device for tire tread blocks as described in claim 1, characterized in that, The operating table (01) includes a base (11), a compartment (13) and a sealing door (14). The base (11) is installed in the working area and a sliding groove (12) is provided on the base (11). The compartment (13) is installed at the top of the base (11) and the sealing door (14) is installed at the side of the compartment (13).

3. The fatigue crack propagation test device for tire tread blocks as described in claim 2, characterized in that, The limiting device (02) includes a motor (21), a two-way lead screw (22), a limiting block (23) and a limiting block (24). The motor (21) is installed on the side of the base (11). The output end of the motor (21) is rotatably connected to the input end of the two-way lead screw (22). The limiting block (23) and the limiting block (24) are both installed on the two-way lead screw (22) by threaded connection. The limiting block (23) and the limiting block (24) are both slidably installed on the slide groove (12).

4. The fatigue crack propagation test device for tire tread blocks as described in claim 3, characterized in that, The rotating device (03) includes a second motor (31), a first turntable (32) and a second turntable (35). The second motor (31) is installed on the side of the first limit block (23). The second motor (31) is provided with an output shaft. The first turntable (32) is installed on the side of the output shaft of the second motor (31). The first turntable (32) is provided with two sets of clamping blocks (33). The second turntable (35) is installed on the top of the second limit block (24) through a bearing seat (34). The second turntable (35) is provided with two sets of clamping blocks (36).

5. The fatigue crack propagation test device for tire tread blocks as described in claim 2, characterized in that, The testing device (04) includes a dual-axis cylinder (41), a lifting platform (42), and a test plate (43). The dual-axis cylinder (41) is installed at the bottom of the base (11). Two sets of output shafts are provided on the dual-axis cylinder (41). The lifting platform (42) is installed at the top of the two sets of output shafts of the dual-axis cylinder (41). The test plate (43) is installed at the top of the lifting platform (42).

6. The fatigue crack propagation test device for tire tread blocks as described in claim 2, characterized in that, The regulating device (05) includes a temperature regulator (51), which is installed inside the chamber (13).

7. The fatigue crack propagation test device for tire tread blocks as described in claim 2, characterized in that, The monitoring device (06) includes an electric telescopic rod (61), a mounting platform (62), and a camera (63). The electric telescopic rod (61) is installed at the top of the compartment (13), and an output shaft is provided on the electric telescopic rod (61). The mounting platform (62) is installed at the bottom of the output shaft of the electric telescopic rod (61), and the camera (63) is installed at the bottom of the mounting platform (62).

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