| 摘要 |
PURPOSE: A structure for fixing links and a pin of a crawler belt is provided to strongly joint links and a pin, secure sufficient supporting force in the axial direction of the pin, and easily perform assembly of the links and pin with cheap expenses. CONSTITUTION: In a structure for fixing links and a pin of a crawler belt, a space for fitting(16), having an annular aperture inlet for fitting an elastic ring(17) with a sectional diameter of D, is installed between pin indentation holes of links and exposure end portions of a pin(8). The surface of the link wall of the space for fitting and the outer peripheral surface of the pin are formed on taper surfaces(12c,8b) narrowed inward with an angle(alpha,beta; alpha>beta) with the axis of the pin. The elastic ring touches on the taper surfaces, with a perpendicular(P) passing through the center(O) of the section and with the angle. The size of the angle(d1,d2) between the contact points(A,B) on taper surfaces and the horizon(H) passing through the center of the section, a diameter(D) of the elastic ring section, and the angle form relations of alpha>beta and D>d1+d2.
|
