A non-contact measuring bench for tire ground pressure
A technology of non-contact measurement and tire grounding, which is applied in the measurement of the change force of the optical properties of the material when it is stressed, and can solve problems such as the relatively mature non-contact measurement bench.
Active Publication Date: 2021-02-12
GUANGXI LINGLONG TIRE CO LTD
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Problems solved by technology
[0004] The non-contact measurement method measures by the optical principle, the principle of the non-contact measurement method is as follows figure 1 As shown, light sources are placed on both sides of the glass, and the light moves in total reflection in the glass. When the tire is pressed against the glass, the total reflection fails, and the light of the total reflection failure is obtained through the camera to evaluate the ground pressure of the tire. The non-contact measurement method is both The manufacturing cost can be controlled, and the camera is used for shooting, and the accuracy of the image is guaranteed with the resolution of the camera. However, there is no relatively mature non-contact measuring bench
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[0040] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0041] In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "axial", The orientation or positional relationship indicated by "radial", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the device or elem...
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The invention provides a non-contact measuring platform for tire ground pressure, comprising: a support mechanism; a glass plate arranged on the support mechanism; a light source; a first gantry support arranged on the support mechanism and above the glass plate, The inside of the first gantry support is provided with a second gantry support, and the two side walls of the second gantry support are slidingly connected with the two side walls of the first gantry support; the force sensor is arranged on the top of the second gantry support; the lifting mechanism is arranged on The first gantry support is connected with the force sensor; the tire installation mechanism is arranged on the second gantry support for installing tires; the image acquisition device is located under the glass plate and is used to collect the grounding map of the tire to be tested and the glass plate ; The control system is connected with the image acquisition device, the lifting mechanism and the force sensor, and the present invention is based on the non-contact measurement method to realize the measurement of the tire contact pressure.
Description
technical field [0001] The invention relates to the technical field of measuring tooling, in particular to a non-contact measuring platform for tire ground pressure. Background technique [0002] Tires are the only part of the car that is in contact with the road, so the performance of the tires has a great influence on the performance of all parts of the car. The ground contact pressure characteristic index of the tire is closely related to the comprehensive ground contact performance of the tire, so the accurate measurement of the ground contact pressure characteristic index of the tire is helpful to the research of tire development and vehicle performance. [0003] At present, the current test methods for tire ground pressure distribution include: pressure plate method, pressure sensitive film method, pressure sensor method and non-contact measurement method, etc. The first two methods have low precision, while the piezoelectric sensor method needs to rely on a large num...
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IPC IPC(8): G01L1/24
Inventor 梁晨朱大钎
Owner GUANGXI LINGLONG TIRE CO LTD