DEVICE FOR TRENCHLESS PIPE LAYING Russian patent published in 1995 - IPC

FIELD: civil engineering. SUBSTANCE: device has a frame with guides, a mechanism supplying pipes to be laid, an inventorial section, a unit for loading and transporting ground and cutting head. The inventorial section is rigidly connected with the frontal end face of the laid pipe. The cutting head has a motor mounted in the inventorial section and a propeller-type blade knife. The inventorial section has conical end piece fixed on the frontal end face. The end piece has central duct for propeller-type blade knife shaft to pass through and a loading window. Device for loading and transporting ground is a self-propelled trolley with a ground-receiving container and a guiding chute. The propeller-type blade knife is located in front of the end piece. EFFECT: facilitated operation in constructing the pipeline having runs of given length. 3 dwg