Method for calculating radial stress of annular valve plate of vibration absorber
A radial stress and calculation method technology, applied in the field of hydraulic shock absorbers, can solve problems such as lack of accurate analytical calculation formulas or methods, and failure to satisfy shock absorbers, and achieve the effect of a reliable calculation method
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Example Embodiment
[0036] Example one: The thickness of a damper valve plate h =0.3mm, inner circle radius =5.0mm, outer radius =8.5mm, Poisson's ratio μ =0.3, the uniform pressure is p =1.0MPa, p =2.0MPa and p =3.0MPa.
[0037] The calculation method of the radial stress of the annular valve plate of the shock absorber provided by the example of the present invention is as follows: figure 1 As shown, the specific steps are as follows:
[0038] (1) Determine the constant terms of the radial stress coefficient of the valve plate E 1 , E 2 , E 3 with E 4 :
[0039] According to the inner radius of the shock absorber valve plate =5.0mm, outer radius =8.5mm, modulus of elasticity E =2.0 Poisson's ratio μ =0.3, to determine the constants formed by the radial stress coefficient of the valve plate under uniform pressure E 1 , E 2 , E 3 with E 4 ,which is:
[0040] , ,
[0041] ,
[0042] = ;
[0043] Where =200, = -0.047983, =0.01, =5 , = -9688.6, = -9.095, =2.6, =9.537 ;
[0044] (2) At any...
Example Embodiment
[0060] Embodiment two: The inner radius, outer radius and material characteristics of the annular valve plate of a shock absorber are exactly the same as those of the first embodiment, and the thickness of the annular valve plate h =0.2mm, uniform pressure p =1.352115MPa.
[0061] Using the calculation steps of the first embodiment, since the inner radius, outer radius and material properties of the annular valve plate of the shock absorber are exactly the same as those of the first embodiment, the constants formed by the radial stress coefficient of the annular valve plate E 1 , E 2 , E 3 with E 4 And at any radius r Radial stress coefficient of position It is also exactly the same as in the first embodiment;
[0062] According to the thickness of the ring valve of the shock absorber h =0.2mm, uniform pressure p =1.352115MPa, and the radial stress coefficient of the annular valve plate at any radius position , The calculated radial stress of the annular valve disc ,Such as Figu...
Example Embodiment
[0065] Embodiment three: The thickness of the ring valve of a shock absorber h =0.3mm, inner circle radius =5.0mm, outer radius =8.75mm, Poisson's ratio μ =0.3, uniform pressure p =3.0MPa.
[0066] Using the calculation steps of the first embodiment, according to the inner radius of the ring valve plate of the shock absorber =5.0mm, outer radius =8.75mm, Poisson's ratio μ =0.3, determine the constants formed by the radial stress coefficient of the annular valve plate E 1 , E 2 , E 3 with E 4 ,which is:
[0067] , ,
[0068] ,
[0069] = ;
[0070] Where , , , , , , , ;
[0071] The radial stress coefficient of the annular valve plate of the shock absorber calculated in this embodiment With radius r ( ) Change curve, such as Picture 9 As shown, the inner radius =5.0mm radial stress coefficient = mm 2 / N= ; When pressure p =3.0MPa, radial stress on the valve plate of the shock absorber Perform calculations such as Picture 10 As shown, the inner radius = Maxim...
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