FIELD: machine engineering.
SUBSTANCE: vibration isolator contains two bell-shaped elastic-hysteresis elements made by cold pressing method from the wire material, on which bolts are fastened with the help of washers and nuts. The shockproof cushion of the metal-rubber is fixed on the head of one of the bolts. The support base is made in form of a cylindrical flange, smoothly turning into a conical part. Bell-shaped elements are connected to each other along the periphery of the bases. The connection according to the first variant is made by a compression coil spring, a coil of one or three wires, or by two springs screwed together. The connection according to the second variant is made by three compression springs: two conical ones with high compliance and a cylindrical one with greater rigidity. Conical coil springs are made from one wire, and cylindrical one - from one, two or three wires. A workpiece is made from a grid, formed in form of a stocking, woven from wire spirals. The axes of the coil are located parallely to the generating grid. One part of the grids is weaved from the spirals of the right whorl, and the other part - from the spirals of the left whorl. A continuous strip is formed from the layer of the right whorl and the layer of the left whorl. The coils are inserted into curls of coils of one layer in the coils of the other layer along the entire length of the strip without compression of the curls of the coils. A workpiece is formed from the obtained strip. In each layer of the continuous strip grids are laid end to end. Joints in different layers are evenly distributed over the circle. The ends of the strip are located against each other in one radial section of the workpiece. There is the same number of stratum layers in each radial section.
EFFECT: simplification of design, possibility of automating the assembly process.
13 cl, 12 dwg
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