Calculation method for deformation of annular elastic valve plate of shock absorber
A calculation method and elastic valve technology, applied in the field of hydraulic shock absorbers, can solve the problem of inability to calculate the deformation of the valve plate, fail to provide an analytical formula for the valve plate, and fail to provide an annular elastic valve plate that meets the requirements of shock absorber design and characteristic simulation Deformation analytical calculation formula and calculation method and other issues
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Embodiment 1
[0033] Embodiment one: The thickness of a shock absorber valve plate h =0.3mm, inner circle radius =5.0mm, outer circle radius =8.5mm, valve port position radius r k =8.0mm, elastic modulus E =2.0 and Poisson's ratio mu =0.3, the uniform pressure is p =1.0MPa, p =2.0MPa and p =3.0MPa.
[0034] The calculation method of the deformation of the annular elastic valve plate of the shock absorber provided by the example of the present invention, the calculation process is as follows figure 1 As shown, the specific steps are as follows:
[0035] (1) Determine the constant term of the deformation coefficient of the valve plate E1 , E 2 , E 3 and E 4 :
[0036] According to the radius of the inner circle of the shock absorber valve plate =5.0mm, outer circle radius =8.5mm, elastic modulus E =2.0 and Poisson's ratio mu =0.3, to determine the constants of the deformation coefficient of the valve plate under uniform pressure, namely:
[0037] , ,
[...
Embodiment 2
[0054] Embodiment two: The thickness of the annular elastic valve plate of a shock absorber h =0.3mm, inner circle radius =5.0mm, outer circle radius =8.75mm, valve port position radius r k =8.0mm, elastic modulus E =2.0 and Poisson's ratio mu =0.3, the uniform pressure is p =1.0MPa, p =2.0MPa and p =3.0MPa.
[0055] Using the calculation steps of Embodiment 1, according to the radius of the inner circle of the shock absorber valve plate =5.0mm, outer circle radius =8.75mm, elastic modulus E =2.0 and Poisson's ratio mu =0.3, to determine the constants of the deformation coefficient of the valve plate under uniform pressure, namely:
[0056] , ,
[0057] ,
[0058] = ;
[0059] In the formula, , , , , , , , ;
[0060] Calculate the coefficient of deformation G r with radius r ( ) change curve, such as Figure 8 shown; when the pressure p =1.0MPa, p =2.0MPa and p =3.0MPa, respectively for the deformation of the shock a...
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