Tire sidewall stress strain automatic detection equipment

Abstract

The utility model discloses tire sidewall stress and strain automatic detection equipment, and relates to the technical field of tire sidewall stress detection. According to the utility model, the interior of the tire body is extruded and fixed by the plurality of supporting and extruding blocks, the plurality of supporting and extruding blocks are convenient for fixing the tire bodies with different sizes, and the tire bodies with different sizes and shapes can be fixed by adjusting the positions of the supporting and extruding blocks, so that the testing requirements of various tire bodies are met; the supporting extrusion blocks can ensure the stability of the interior of the tire body and prevent movement or deformation in the test process, so that the accuracy and reliability of test data are ensured, the supporting extrusion blocks are relatively simple and rapid to mount and dismount, the test of tires of different sizes is prepared, the test efficiency and flexibility are improved, and the test cost is reduced. And the damage to the tire body structure or the influence on the performance of the tire body can be avoided, and the non-destructive effect on the tire body in the testing process is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of tire sidewall stress detection, and particularly relates to an automatic detection device for tire sidewall stress and strain. Background Technique

[0002] The automatic detection device for tire sidewall stress and strain is a high-precision device designed specifically for evaluating the stress and strain characteristics of tires under different working conditions. Using advanced sensors and control systems, it can accurately measure the stress distribution and strain conditions of the tire sidewall under various load and pressure conditions. The device has an automatic function and automatically conducts tests through preset programs and parameters, improving the test efficiency and data accuracy. It can simulate the actual working conditions of a vehicle under different speeds, loads, and road surface conditions, comprehensively evaluate the performance of the tire. Through continuous monitoring and evaluation, it helps manufacturers optimize the tire structure and materials, improve product quality, safety, and durability. The automatic detection device for tire sidewall stress and strain plays a key role in the tire manufacturing and R & D process, not only ensuring that the product meets the design requirements but also providing solid support for market promotion and customer trust.

[0003] When the existing automatic detection device for tire sidewall stress and strain detects tire carcasses of different sizes, the existing device cannot quickly fix tire carcasses of different sizes, resulting in poor fixing effect on the tire carcass. The automatic detection device for tire sidewall stress and strain cannot quickly adapt to tire carcasses of different sizes and shapes, resulting in unstable or unsatisfactory fixing effect. The poor fixing effect may affect the accuracy and reliability of test data. Especially under high-precision test requirements, this problem is particularly prominent because additional adjustments and operations are required, resulting in the complication of equipment use and affecting the operation efficiency and test cycle. Content of the Utility Model

[0004] The utility model provides an automatic detection device for tire sidewall stress and strain, which has the advantage of being convenient and fast for detecting the outer stress of tire carcasses of different sizes, so as to solve the problem that the operation of fixing the tire carcass again is rather cumbersome when the automatic detection device for tire sidewall stress and strain is replaced with tire carcasses of other sizes.

[0005] For the purpose of facilitating and quickly detecting the stress on the outer side of the tire carcass of different sizes by the automatic tire side stress and strain detection device, the present utility model provides the following technical solutions: An automatic tire side stress and strain detection device includes a tire side stress detection device and a placement groove opened inside the tire side stress detection device. A tire carcass is movably installed at the inner wall of the placement groove. A hydraulic moving component is installed inside the tire side stress detection device. A support fixing plate is installed on the outer surface of the hydraulic moving component. A circular ring block is movably installed inside the support fixing plate. A progressive thread bar is installed on the bottom surface of the circular ring block. Moving grooves are uniformly opened inside the support fixing plate. A support extrusion block is movably installed at the inner wall of the moving groove. The outer surface of the support extrusion block is in movable contact with the inner surface of the tire carcass. The tire side stress detection device is equipped with an outer side stress pressure change component, and a pressure sensor is installed on the outer surface of the outer side stress pressure change component.

[0006] As a preferred technical solution of the present utility model, a progressive thread groove is opened on the top surface of the support extrusion block, and the inner wall of the progressive thread groove is in movable contact with the outer surface of the progressive thread bar.

[0007] As a preferred technical solution of the present utility model, the hydraulic moving component includes a first hydraulic machine and a circular ring clamping plate. The first hydraulic machine is installed on the outer surface of the tire side stress detection device, and the circular ring clamping plate is installed on the outer surface of the output end of the first hydraulic machine.

[0008] As a preferred technical solution of the present utility model, a rotary motor is installed on the bottom surface of the circular ring clamping plate. A bearing is installed on the outer surface of the output end of the rotary motor. A limit cover plate is installed on one end surface of the bearing, and the inner part of the limit cover plate is in movable contact with one end surface of the circular ring clamping plate.

[0009] As a preferred technical solution of the present utility model, a limit groove is opened inside the limit cover plate, and a stepping motor is installed on the inner wall of the limit groove. The inner wall of the limit groove is in movable contact with the outer surface of the tire carcass.

[0010] As a preferred technical solution of the present utility model, a rotary shaft is installed on the outer surface of the output end of the stepping motor. The bottom surface of the rotary shaft is fixedly connected to the top surface of the circular ring block. Two connecting columns are installed on the inner wall of the limit groove, and the bottom surfaces of the two connecting columns are fixedly connected to the top surface of the support fixing plate.

[0011] As a preferred technical solution of the present utility model, the outer stress pressure change assembly includes a second hydraulic press and a pressing block body. The second hydraulic press is installed on the outer surface of the tire side stress detection device, and the pressing block body is installed on the outer surface of the output end of the second hydraulic press. The outer surface of the pressing block body is fixedly connected to the outer surface of the pressure sensor, and both the outer surface of the pressure sensor and the outer surface of the pressing block body are in movable contact with the outer surface of the tire carcass.

[0012] Compared with the prior art, the present utility model provides an automatic detection device for tire side stress and strain, which has the following beneficial effects:

[0013] This automatic detection device for tire side stress and strain fixes the inside of the tire carcass by squeezing with a plurality of supporting and squeezing blocks. The plurality of supporting and squeezing blocks are convenient for fixing tire carcasses of different sizes. Tire carcasses of different sizes and shapes can be fixed by adjusting the positions of the supporting and squeezing blocks, so as to meet the test requirements of various tire carcasses. The supporting and squeezing blocks can ensure the stability inside the tire carcass, prevent it from moving or deforming during the test, thereby ensuring the accuracy and reliability of the test data. The installation and disassembly of the supporting and squeezing blocks are relatively simple, enabling quick adjustment and preparation for the tests of different-sized tires, improving the test efficiency and flexibility, and being able to avoid damaging the structure of the tire carcass or affecting its performance, ensuring the non-destructiveness of the test process to the tire carcass.

[0014] This automatic detection device for tire side stress and strain measures the stress and strain data on the outer side of the tire carcass at different speeds by controlling the output power of the rotating motor. The pressure sensor ensures close contact with the outer surface of the tire carcass to accurately measure the stress and strain data. The rotating motor can precisely control the rotational movement of the tire carcass, ensuring the stability and repeatability of the test process. By adjusting the output power of the rotating motor, the stress and strain data on the outer side of the tire carcass at different speeds are measured, so as to comprehensively evaluate the performance characteristics of the tire carcass. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the tire side stress detection device of the present utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the tire side stress detection device of the present utility model;

[0017] Figure 3 It is a schematic diagram of the overall structure of the hydraulic moving assembly of the present utility model;

[0018] Figure 4 It is a schematic diagram of the internal structure of the hydraulic moving assembly of the present utility model;

[0019] Figure 5Schematic diagram of the external structure of the circular ring block of the present utility model;

[0020] Figure 6 Schematic diagram of the overall structure of the support extrusion block of the present utility model;

[0021] Figure 7 Schematic diagram of the overall structure of the outer stress and pressure change component of the present utility model.

[0022] In the figure: 1. Tire side stress detection device; 2. First hydraulic press; 3. Placing groove; 4. Tire carcass; 5. Limit cover plate; 6. Limit groove; 7. Connecting column; 8. Support fixing plate; 9. Stepper motor; 10. Rotating shaft; 11. Circular ring block; 12. Progressive thread bar; 13. Support extrusion block; 14. Moving groove; 15. Progressive thread groove; 16. Second hydraulic press; 17. Pressing block body; 18. Bearing; 19. Circular ring clamping plate; 20. Rotating motor; 21. Pressure sensor. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Embodiment 1

[0024] Refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6, the utility model discloses an automatic detection device for the stress and strain of a tire sidewall, which includes a tire sidewall stress detection device 1 and a placement groove 3 opened inside the tire sidewall stress detection device 1. A tire carcass 4 is movably installed at the inner wall of the placement groove 3. A hydraulic moving component is installed inside the tire sidewall stress detection device 1. A support fixing plate 8 is installed on the outer surface of the hydraulic moving component. An annular block 11 is movably installed inside the support fixing plate 8. A progressive thread bar 12 is installed on the bottom surface of the annular block 11. A plurality of moving grooves 14 are evenly opened inside the support fixing plate 8. A support extrusion block 13 is movably installed at the inner wall of the moving groove 14. The outer surface of the support extrusion block 13 is in movable contact with the inner surface of the tire carcass 4. The tire sidewall stress detection device 1 is equipped with an outer stress pressure change component. A pressure sensor 21 is installed on the outer surface of the outer stress pressure change component. A progressive thread groove 15 is opened on the top surface of the support extrusion block 13. The inner wall of the progressive thread groove 15 is in movable contact with the outer surface of the progressive thread bar 12. The outer surface of the progressive thread bar 12 is in movable contact with the inner wall of the progressive thread groove 15, so that the support extrusion block 13 moves inside the moving groove 14, and a plurality of support extrusion blocks 13 squeeze and fix the inside of the tire carcass 4. The plurality of support extrusion blocks 13 are convenient for fixing tire carcasses 4 of different sizes. Tire carcasses 4 of different sizes and shapes can be fixed by adjusting the positions of the support extrusion blocks 13, so as to meet the test requirements of various tire carcasses 4. The support extrusion blocks 13 can ensure the stability inside the tire carcass 4, prevent it from moving or deforming during the test, so as to ensure the accuracy and reliability of the test data. The installation and disassembly of the support extrusion blocks 13 are relatively simple, and the test of tires of different sizes can be adjusted and prepared quickly, improving the test efficiency and flexibility, and can avoid damaging the structure of the tire carcass 4 or affecting its performance, ensuring the non-destructiveness of the tire carcass 4 during the test process. Embodiment 2

[0025] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 7, the present utility model discloses an automatic detection device for tire sidewall stress and strain, including a tire sidewall stress detection device 1 and a placement groove 3 opened inside the tire sidewall stress detection device 1. The hydraulic moving assembly includes a first hydraulic press 2 and a circular ring clamping plate 19. The first hydraulic press 2 is installed on the outer surface of the tire sidewall stress detection device 1, and the circular ring clamping plate 19 is installed on the outer surface of the output end of the first hydraulic press 2. A rotating motor 20 is installed on the bottom surface of the circular ring clamping plate 19, and a bearing 18 is installed on the outer surface of the output end of the rotating motor 20. One end surface of the bearing 18 is installed with a limit cover plate 5. The inside of the limit cover plate 5 is in movable contact with one end surface of the circular ring clamping plate 19. A limit groove 6 is opened inside the limit cover plate 5. A stepping motor 9 is installed on the inner wall of the limit groove 6. The inner wall of the limit groove 6 is in movable contact with the outer surface of the tire carcass 4. A rotating shaft 10 is installed on the outer surface of the output end of the stepping motor 9. The bottom surface of the rotating shaft 10 is fixedly connected to the top surface of the circular ring block 11. Two connecting columns 7 are installed on the inner wall of the limit groove 6. The bottom surfaces of the two connecting columns 7 are fixedly connected to the top surface of the support fixing plate 8. The outer stress pressure change assembly includes a second hydraulic press 16 and a pressing block body 17. The second hydraulic press 16 is installed on the outer surface of the tire sidewall stress detection device 1, and the pressing block body 17 is installed on the outer surface of the output end of the second hydraulic press 16. The outer surface of the pressing block body 17 is fixedly connected to the outer surface of the pressure sensor 21. The outer surfaces of the pressure sensor 21 and the pressing block body 17 are both in movable contact with the outer surface of the tire carcass 4. By controlling the rotating motor 20 to drive the bearing 18 to rotate, the limit cover plate 5 rotates outside the circular ring clamping plate 19, so that the tire carcass 4 rotates stably. By controlling the output power of the rotating motor 20, the stress and strain data on the outer side of the tire carcass 4 at different speeds can be measured. By ensuring the close contact with the outer surface of the tire carcass 4 through the pressure sensor 21, the stress and strain data can be accurately measured. The rotating motor 20 can precisely control the rotation of the tire carcass 4, ensuring the stability and repeatability of the test process. By adjusting the output power of the rotating motor 20, the stress and strain data on the outer side of the tire carcass 4 at different speeds can be measured, so as to comprehensively evaluate the performance characteristics of the tire carcass 4.

[0026] Working principle and usage process of the utility model: When it is necessary to automatically detect the stress and strain on the outer side of the tire carcass 4, first place the tire carcass 4 into the placement groove 3 inside the tire side stress detection device 1. Control the first hydraulic press 2 to work through the controller. The first hydraulic press 2 drives the circular ring clamping plate 19, the rotary motor 20, the bearing 18, the limit cover plate 5, the two connecting columns 7, the support fixing plate 8 and the stepping motor 9 to move downward synchronously, so that the support fixing plate 8 moves into the tire carcass 4. Then control the stepping motor 9 to work through the controller. The stepping motor 9 drives the rotating shaft 10 to perform a rotational motion. The rotating shaft 10 drives the circular ring block 11 to perform a rotational motion inside the support fixing plate 8. The circular ring block 11 synchronously drives the progressive thread bar 12 to perform a rotational motion. The outer surface of the progressive thread bar 12 is in movable contact with the inner wall of the progressive thread groove 15, so that the support extrusion block 13 moves in the moving groove 14, and several support extrusion blocks 13 extrude and fix the inside of the tire carcass 4. The several support extrusion blocks 13 are convenient for fixing tire carcasses 4 of different sizes. Tire carcasses 4 of different sizes and shapes can be fixed by adjusting the positions of the support extrusion blocks 13, so as to adapt to the test requirements of various tire carcasses 4. The support extrusion blocks 13 can ensure the stability inside the tire carcass 4, prevent it from moving or deforming during the test, so as to ensure the accuracy and reliability of the test data. Installing and disassembling the support extrusion blocks 13 is relatively simple, quickly adjusts and prepares the tests for different-sized tires, improves the test efficiency and flexibility, and can avoid damaging the structure of the tire carcass 4 or affecting its performance, ensuring the non-destructiveness of the test process on the tire carcass 4.

[0027] The limit groove 6 inside the limit cover plate 5 is in movable contact with the top surface of the tire carcass 4. Then control the second hydraulic press 16 to work, so that the pressure sensor 21 on the outer surface of the pressing block body 17 is in movable contact with the outer surface of the tire carcass 4. Control the rotary motor 20 to drive the bearing 18 to perform a rotational motion through the controller, so that the limit cover plate 5 rotates outside the circular ring clamping plate 19, and the tire carcass 4 performs a stable rotational motion. By controlling the output power of the rotary motor 20, the stress and strain data on the outer side of the tire carcass 4 at different speeds can be measured. Ensure the close contact with the outer surface of the tire carcass 4 through the pressure sensor 21, and accurately measure the stress and strain data. The rotary motor 20 can precisely control the rotational motion of the tire carcass 4, ensure the stability and repeatability of the test process. By adjusting the output power of the rotary motor 20, the stress and strain data measurement on the outer side of the tire carcass 4 at different speeds is realized, so as to comprehensively evaluate the performance characteristics of the tire carcass 4.

Claims

1. An automatic detection device for tire sidewall stress and strain, comprising a tire sidewall stress detection device (1) and a placement groove (3) provided inside the tire sidewall stress detection device (1), wherein a tire carcass (4) is movably mounted on the inner wall of the placement groove (3), characterized in that: The tire sidewall stress detection device (1) has a hydraulic moving component installed inside, a support fixing plate (8) is installed on the outer surface of the hydraulic moving component, a circular ring block (11) is movably installed inside the support fixing plate (8), a progressive thread strip (12) is installed on the bottom surface of the circular ring block (11), the support fixing plate (8) is evenly provided with moving grooves (14) inside, a support extrusion block (13) is movably installed on the inner wall of the moving groove (14), the outer surface of the support extrusion block (13) is in movably contact with the inner surface of the tire carcass (4), and the tire sidewall stress detection device (1) is installed with an outer stress pressure change component, and a pressure sensor (21) is installed on the outer surface of the outer stress pressure change component.

2. The tire sidewall stress and strain automatic detection device according to claim 1, characterized in that: A progressive thread groove (15) begins to be formed on the top surface of the support extrusion block (13), and the inner wall of the progressive thread groove (15) is in active contact with the outer surface of the progressive thread strip (12).

3. The tire sidewall stress and strain automatic detection device according to claim 1, characterized in that: The hydraulic moving assembly comprises a first hydraulic press (2) and a circular clamping plate (19), wherein the first hydraulic press (2) is mounted on the outer surface of the tire sidewall stress detection device (1), and the circular clamping plate (19) is mounted on the outer surface of the output end of the first hydraulic press (2).

4. The tire sidewall stress and strain automatic detection device according to claim 3, characterized in that: A rotating motor (20) is mounted on the bottom surface of the circular clamping plate (19), a bearing (18) is mounted on the outer surface of the output end of the rotating motor (20), a limiting cover plate (5) is mounted on one end surface of the bearing (18), and the interior of the limiting cover plate (5) is in active contact with one end surface of the circular clamping plate (19).

5. The tire sidewall stress and strain automatic detection device according to claim 4, characterized in that: A limiting groove (6) is provided inside the limiting cover plate (5), a stepping motor (9) is installed on the inner wall of the limiting groove (6), and the inner wall of the limiting groove (6) is in active contact with the outer surface of the tire carcass (4).

6. The tire sidewall stress and strain automatic detection device according to claim 5, characterized in that: A rotating shaft (10) is mounted on the outer surface of the output end of the stepper motor (9), the bottom surface of the rotating shaft (10) is fixedly connected to the top surface of the circular ring block (11), and two connecting columns (7) are mounted on the inner wall of the limiting groove (6), the bottom surfaces of the two connecting columns (7) are fixedly connected to the top surface of the supporting fixing plate (8).

7. The tire sidewall stress and strain automatic detection device according to claim 1, characterized in that: The outer side stress pressure change component comprises a second hydraulic press (16) and a pressure block body (17), wherein the second hydraulic press (16) is mounted on the outer side surface of the tire side stress detection device (1), and the pressure block body (17) is mounted on the outer side surface of the output end of the second hydraulic press (16), and the outer side surface of the pressure block body (17) is fixedly connected to the outer side surface of the pressure sensor (21), and the outer side surface of the pressure sensor (21) and the outer side surface of the pressure block body (17) are both in active contact with the outer side surface of the tire carcass (4).

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