ES328046A2 - A provision of guiding lanes to establish the path of advancement of units of apuntalamiento intended for exploitations under earth. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improvements introduced in the object of the main patent nº 307.315, issued on May 5, 1965, by: "A provision of guide lanes to establish the path of progress of propping units, intended for underground operations", with an organ guide that forms an autonomous unit insertable between two adjoining shoring or shoring units, capable of being advanced independently of the advance movements of said units, which organ rests against a support and receives the form of a sliding element for the shoring unit upper, seen in the direction of the inclination, during the process of sliding of the same, element that has the form of a bar applied in a laterally tiltable way in the support and that, through a separation device, whose stroke on the bar determines the direction of the shoring unit that slides on the bar, is supported during the process of sliding the Upper shoring system against the lower shoring unit, which is then fixed, another guide member for the roof area being provided, made in the same way and supported by a support element, characterized in that the support element, in the form of of a telescopic support adjustable in height, whose elements are secured against rotation with respect to each other, is mounted on the guide device on the side of the recumbent, and is connected to the guide device on the side of the roof, in such a way that it draws the said device with it. the lower guide device is moved forward. (Machine-translation by Google Translate, not legally binding)