DEVICE AND METHOD FOR PRELOADING MECHANICAL SINGLE SUPPORT WITH CONSTANT RESISTANCE Russian patent published in 2019 - IPC E21D15/58 

FIELD: manufacturing technology.

SUBSTANCE: group of inventions relates to a device and method for preloading a mechanical single support with constant resistance. Device includes a rhombic stretchable bracket, a threaded pin, the first cylindrical sealing ring and the second cylindrical sealing ring. Thread stud is connected with two opposite angles of rhombic stretching bracket. Distal end of the threaded pin is rigidly fixed to one angle of the rhombic stretchable bracket. Head of the end of the threaded pin passes through the other angle of the rhombic stretchable bracket. Two remaining opposite angles of the orthorhombic stretching bracket are rigidly fixed to the ends of the first cylindrical sealing ring and the second cylindrical sealing ring on the braces. Thread pin is attached to the thread to the upper angle of the rhombic stretchable bracket through which it passes. Present device has preliminary loading action on single support with constant resistance, at that force is applied to support by means of rotating handle and threaded pin, which reduce or increase the distance between the points of the diagonal of the orthorhombic stretching bracket, thereby reducing or increasing the distance between the first cylindrical o-ring and the second cylindrical o-ring for preloading of the single support with constant resistance.

EFFECT: technical result consists in simplification of design, increase in ease of use.

8 cl, 1 dwg