Matching design method for pre-clamping stress of end-reinforced non-isostructural few-leaf variable cross-section plate spring
A non-isostructural, variable-section technology, applied in spring/shock absorber design features, leaf springs, computer-aided design, etc. Strengthen the problem of complex calculation of clamping stiffness of non-isostructural parabolic variable-section leaf springs, and achieve the effect of speeding up product development, reducing design and testing costs, and improving design level
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Embodiment 1
[0028]Embodiment 1: the width b=60mm of a non-isomorphic parabolic variable-section leaf spring reinforced at a certain end, and half the active length L T =575mm, half the length L of the straight section of the root clamped by the saddle bolt 0 =50mm, the horizontal length of the oblique segment Δl=30mm, and the modulus of elasticity E=200GPa. The number of leaf springs n=3, the thickness h of the straight section at the root of each leaf spring 2 =18mm, the horizontal distance l from the root of the parabola segment to the end point of the leaf spring 2 =L T -L 0 =525mm; the end thickness h of the parabolic segment of each leaf spring 11p = 8mm, h 12p = 7mm, h 13p = 6mm, the thickness h of the straight section at the end of each leaf spring 11 = 9mm, h 12 = 8mm, h 13 = 7mm; the thickness ratio β of the parabolic segment of each leaf spring 1 = h 11p / h 2 = 0.4444, β 2 = h 12p / h 2 = 0.3889, β 3 = h 13p / h 2 =0.3333, the thickness ratio of the oblique segme...
Embodiment 2
[0054] Embodiment two: a certain end strengthens the width b=60mm of the non-isomorphic parabolic variable-section leaf spring, and the half-action length L T =575mm, half the length L of the straight section of the root clamped by the saddle bolt 0 =50mm, the horizontal length of the oblique segment Δl=30mm, and the modulus of elasticity E=200GPa. The number of leaf springs n=4, the thickness h of the straight section at the root of each leaf spring 2 =16mm, the horizontal distance l from the root of the parabola segment to the end point of the leaf spring 2 =L T -L 0 =525mm; the end thickness h of the parabolic segment of each leaf spring 11p = 8mm, h 12p = 7mm, h 13p = 6mm, h 14p = 5mm, the thickness h of the end straight section of each leaf spring 11 = 9mm, h 12 = 8mm, h 13 = 7mm, h 14 = 6mm; the thickness ratio β of the parabolic segment of each leaf spring 1 = h 11p / h 2 = 0.5, β 2 = h 12p / h 2 = 0.4375, β 3 = h 13p / h 2 =0.375,β 4 = h 14p / h 2 =0...
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