DEVICE FOR SURVEYING OF PILLAR MINING SECTIONS Russian patent published in 2016 - IPC G01C11/02 

FIELD: mining.

SUBSTANCE: device for surveying of pillar mining sections consists of a plate, laser range finders fixed on the plate, and connected among themselves and with a regulation mechanism, and also a pipe located above the centre of gravity of the plate and suspended on a horizontal guide from the rope. The plate is made with an opening located on its axis, while to the pipe a circular goniometric scale is fixed, which has the stud in the centre, on which the support is placed, and end faces of the support are fixed in seat holes of the plate. Meanwhile the support is made with a possibility of rotation around the stud axis, and the plate - with a possibility of rotation around the support axis, besides, an electronic level, connected by electric wire with the regulation mechanism, is attached to the pipe.

EFFECT: improvement of the accuracy of surveying of pillar mining sections, and the accuracy of drawing of sections in surveying documentation.

4 cl, 8 dwg