| 摘要 |
<p>1. A solar capturing device comprising a concave mirror fixed on a support which is rotatable about an axis of rotation (17) and an orienting device constituted by a member forming a screw (5) mounted on the axis of rotation and a member forming a nut (15) solely movable in translation, cooperating with said screw (5) and actuated by a double-acting jack controlled hydraulically, characterized in that the member forming a screw (5) connected to the support of the mirror comprises a tube whose outer cylindrical surface comprises screwthreads (6) of the screw (5) and whose inner cylindrical surface constitutes the work cylinder (7) of the double-acting jack comprising a piston (8) sliding directly inside the bore of the tube forming said screw (5) and connected by rigid elements (9, 12, 13, 14) to the nut (15), the support of the mirror is constituted by a first vertical tube (3) mounted to be concentrically rotatable about a second vertical tube (2) which is rigidly connected to a structure (1) fixed to the ground, said first tube (3) being connected, by its upper part, to a radial plate (4) fixed to the upper end of the screw (5) which is disposed concentrically within said second tube (2), and the nut (15) mounted on the screw (5) within the second tube (2) includes on its periphery notches cooperating with longitudinal guiding elements (16) disposed on the inner surface of the second tube (2).</p> |
