SU1532666A1 - Method of working soil by suction dredger - Google Patents

Abstract

This invention relates to hydromechanization and is intended for underwater excavation. The goal is to increase the efficiency of the operation of the dredger by reducing the slurry along the open-pit slurry line (PT). Sections 1, 2 career PV with a swivel 3 between them laid in a career on the pontoons. Section 1 is connected by a hinge 4 to the dredger 5. Section 2 is connected by a hinge 6 to the main hoops 7. The hinged connection 3 is fixed from movement in the horizontal plane. The excavation of the dredge 5 is carried out by reciprocating penetrations 12, and the dredge 5 is moved along an arc of a circle whose radius is section 1 located between the dredge 5 and the hinge connection 3. At the end of each penetration 12 the dredge 5 is turned 180 ° The development of the soil in the winter period is carried out in the direction to the junction of the quarry MF with the main MF 7 by reducing the length of the MF. 1 hp f-ly, 1 ill.

Description

 - "The invention relates to hydromechanization and is intended for underwater {development of soil.

The purpose of the invention is to increase the efficiency of the dredge operation by reducing the hydraulic resistance during the movement of the slurry along the quarry slurry line.

The drawing shows the scheme of soil treatment of a dredger house.

The method is carried out as follows.

The hard sections 1 and 2 of the quarry slurry line with a swivel 3 between them are placed on pontoons on the surface of the water in the quarry. Section 1 of the slurry pit is connected by hinge A to the dredger 5. Section 2 by the hinge 6 is connected to the hinged slurry line 7. The hinged connection 3 is fixed from horizontal movement by means of winches 8 and 9 with traction cables 10 and P. There are reciprocating penetrations 12, and the dredger 5 is moved along an arc of a circle whose radius is section 1 of the open-pit slurry line located between the dredger 5 and the hinged joint 3. At the end of each penetration 12 the dredge 5 turns at 180., The development of soil in the winter period is carried out in the direction to the place of the middle of the quarry slurry line with the main slurry line 7 by reducing the length of the quarry slurry line. At the same time, sections 1 and 2 of the quarry pulpovod are placed on the ice of the open pit without pontoons. Maina is supported by periodic cutting of the ice cover in front of the dredger house 5 by the amount of its supply.

In the summer, excavation is carried out from the hinge.

6 to the far edge of the career. For this purpose, the career pulpovod is consistently increased.

In order to ensure complete mining of the quarry, the swivel 3 is moved by winches 8 and 9, after which it is fixed and further

ground development.

The excavation is carried out by moving the dredging body 5 of the dredge 5 along a closed loop 13.

Claims (2)

1. A method for developing a soil dredger, including laying areas of a quarry slurry line with a hinged connection between them, connecting one section of a slurry line to a dredger, and the other to a master –––––––––– the fact that, in order to increase the efficiency of the dredger and by reducing the hydraulic resistance during the movement of the slurry through the quarry slurry line, the hinged joint of the sections of the slurry line is fixed from horizontal movement, and the dredger moves along an arc of a circle, the radius of which is the section of the mining slurry line located between the dredger house and swivel, while at the end of each penetration the dredger is rotated 180 °. 2. The method according to claim 1, characterized in that the development of soil in the winter period is carried out in the direction towards the junction of the quarry slurry line with the main slurry line by reducing the length of the slurry slurry line.