DEVICE TO RAM PIT Russian patent published in 2013 - IPC E02D3/46 E01C19/34 

FIELD: construction.

SUBSTANCE: device to ram a pit comprises a hoist installed on a basic machine with a flexible traction element, a guide shaft, a support circular element, a rammer. On the free end of the guide shaft there is an attachment installed, comprising a connection cylinder, the diametre of which is more than the diametre of the guide shaft, with the fixed support circular element with a central hole having the diametre of not less than the diametre of the rammer and not more than the diametre of the guide shaft and the support cylinder fixed on the support circular element at the side opposite to the connection cylinder, and having the diametre of not less than the diametre of the guide shaft. The connection and support cylinders are installed on the support circular ring coaxially and represent a single whole, and the connection cylinder is equipped with stiffening ribs installed on the support circular element mutually oppositely to the axis of its symmetry.

EFFECT: reduced material intensity, higher efficiency, prevention of taper formation in a neck of a rammed pit and soil lift to day surface.

3 dwg