Design method for stiffness of auxiliary spring of non-end-contact few-leaf oblique-line type main-auxiliary spring
A stiffness design, contact technology, applied in the design characteristics of springs/shock absorbers, spring assemblies composed of several springs, leaf springs, etc. It is not given, and it is difficult to obtain the design value of the auxiliary spring stiffness, etc.
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Embodiment 1
[0029] Embodiment 1: The number of main reeds m=2 of a non-end contact type few-piece slanted-line variable-section main and auxiliary springs, wherein, half the length L of each main spring M =575mm, width b=60mm, elastic modulus E=200GPa, half of the installation distance l 3 =55mm, the distance l from the root of the oblique line section of the main spring to the end point of the main spring 2M =L M -l 3 =520mm; the thickness h of the straight section at the root of each piece of main spring 2M =11mm, the thicknesses of the straight sections at the end of the first main spring and the second main spring are h 11 = 7mm and h 12 =6mm, the thickness ratios of the oblique segments of the first main spring and the second main spring are respectively β 1 =h 11 / h 2M = 0.64 and β 2 =h 12 / h 2M = 0.55. Half length L of auxiliary spring A =375mm, the horizontal distance l between the contact point of the secondary spring and the end point of the main spring 0 =L M -L ...
Embodiment 2
[0047] Embodiment 2: The number of main reeds m=2 of a non-end contact type few-piece slanted-line variable-section primary and secondary springs, wherein, half the length L of each main spring M =600mm, width b=60mm, elastic modulus E=200GPa, half of the installation distance l 3 =60mm, the distance from the root of the oblique line section of the main spring to the end point of the main spring l 2M =L M -l 3 =540mm; the thickness h of the straight section at the root of each main spring 2M =12mm, the thicknesses of the straight sections at the end of the first main spring and the second main spring are h 11 = 8mm and h 12 =7mm, the thickness ratios of the oblique line segments of the first main spring and the second main spring are respectively β 1 =h 11 / h 2M = 0.67 and β 2 =h 12 / h 2M = 0.58. Half length L of secondary spring A =410mm, the horizontal distance l between the auxiliary spring contact and the main spring end point 0 =L M -L A = 190 mm. The comp...
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