Online testing device and testing method for full-field deformation in contact print of rubber tire tread rubber material

A technology for tire tread and rubber materials, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., to achieve the effect of simple control

Pending Publication Date: 2018-12-07
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of on-line testing device and testing method for the global deformation in the tire tread rubber material contact imprint, which completely simulates the global deformation in the tire tread rubber material contact imprint under the actual working condition of the tire, and can detect the deformation by visual inspection. The detection method realizes the non-contact detection of the global deformation in the tire contact footprint, comprehensively analyzes the obtained tire tread rubber global deformation data and the angular displacement, pressure and torque data obtained by various sensors, and obtains the tread rubber in the actual operating condition of the tire. The distribution of mechanical characteristics in the imprint, the device has the characteristics of strong stability, simple test method and full-area online detection in the tread rubber contact imprint, which solves the problems existing in the existing tire tread rubber material contact imprint deformation test device

Method used

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  • Online testing device and testing method for full-field deformation in contact print of rubber tire tread rubber material
  • Online testing device and testing method for full-field deformation in contact print of rubber tire tread rubber material
  • Online testing device and testing method for full-field deformation in contact print of rubber tire tread rubber material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] like Figure 11 and 14 As shown, the on-line testing method for full-area extrusion deformation in the tire tread rubber material contact footprint, the steps are as follows:

[0052] (1), according to the shape of tire tread rubber sample 5, spray paint speckle texture on contact surface, dry naturally;

[0053] (2), adjust the adaptive clamping mechanism 6 to complete the positioning and clamping of the tread rubber sample 5 containing speckle texture features;

[0054] (3), adjust the optical axis of the camera 41 of the visual detection system 4 and the light source 48, the axis of the worm screw turntable 32 of the rotary loading adjustment mechanism 3 and the geometric centerline of the tire tread rubber sample 5, after making the three axes collinear , the support plate 213 of the linear loading adjustment mechanism 2, the torque sensor 8 and the support base 410 of the visual inspection system 4 are fixedly connected to the support platform 1 respectively;

...

Embodiment 2

[0062] like Figure 12 , 13 As shown in and 15, the on-line test method for full-area shear deformation in the tire tread rubber material contact print, its steps are as follows:

[0063] (1), according to the shape of tire tread rubber sample 5, spray paint speckle texture on contact surface, dry naturally;

[0064] (2), adjust the adaptive clamping mechanism 6 to complete the positioning and clamping of the tread rubber sample 5 containing speckle texture features;

[0065] (3), adjust the optical axis of the camera 41 of the visual detection system 4 and the light source 48, the axis of the worm screw turntable 32 of the rotary loading adjustment mechanism 3 and the geometric centerline of the tire tread rubber sample 5, after making the three axes collinear , the support plate 213 of the linear loading adjustment mechanism 2, the torque sensor 8 and the support base 410 of the visual inspection system 4 are fixedly connected to the support platform 1 respectively;

[00...

Embodiment 3

[0073] like Figure 13 , 14 , 15, 17 and 18, the on-line testing method of full-area compression-shear coupling deformation in the contact print of tire tread rubber material, its steps are as follows:

[0074] (1), according to the shape of tire tread rubber sample 5, spray paint speckle texture on contact surface, dry naturally;

[0075] (2), adjust the adaptive clamping mechanism 6 to complete the positioning and clamping of the tread rubber sample 5 containing speckle texture features;

[0076] (3), adjust the optical axis of the camera 41 of the visual detection system 4 and the light source 48, the axis of the worm screw turntable 32 of the rotary loading adjustment mechanism 3 and the geometric centerline of the tire tread rubber sample 5, after making the three axes collinear , the support plate 213 of the linear loading adjustment mechanism 2, the torque sensor 8 and the support base 410 of the visual inspection system 4 are fixedly connected to the support platform...

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Abstract

The invention relates to an online testing device and testing method for full-field deformation in the contact print of a rubber tire tread rubber material. The online testing device comprises a support platform, a linear loading adjustment mechanism, a rotation loading adjustment mechanism, an adaptive clamping mechanism and a vision detection system, wherein the linear loading adjustment mechanism and the vision detection system are fixedly connected on the support platform according to a certain location relationship; the linear loading adjustment mechanism and the rotary loading adjustmentmechanism are fixedly connected; the adaptive clamping mechanism is fixedly connected with a pressure sensor; and the pressure sensor is fixedly connected with a torque sensor. The device can completely simulate stress deformation of a tire tread rubber material of a tire in the contact print under various work conditions, can solve the problems that a single-point contact measurement mode of anexisting tire tread rubber material in the contact print is difficult to implement, has a large testing result error and cannot acquire full-field deformation characteristics of the tire tread rubbermaterial in the contact print by a non-contact vision measurement method, has the characteristic of concise structure, and is easy to control and adjust.

Description

technical field [0001] The invention belongs to the field of testing the mechanical properties of tire tread rubber materials, and in particular relates to an online testing device for global deformation of tire tread rubber materials in contact imprints under actual operating conditions and a visual global deformation testing method based on the device. Background technique [0002] Tires are one of the important parts of automobiles. They are the supporting body of the vehicle and the transmission parts of various forces. The performance of the tire directly affects the performance of the vehicle. The rigidity of the tire is one of the important performances of the tire, which directly affects the power, economy, handling stability, ride comfort and safety of the whole vehicle. The tire tread rubber material is an important part of the tire and the only part that is in direct contact with the ground. It has a direct and important impact on the rigidity of the tire. In the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08
CPCG01N3/08
Inventor 庄晔高学亮刘姝朱成伟陈强张勇
Owner JILIN UNIV
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