SU924270A1 - Vibratory soil-intake jet device - Google Patents

Description

The invention relates to underwater mining of soil suction shells.

A soil-collecting device is known — a suction-projectile device, including a three-dimensional grating suspended elastically to a suction tip, which vibrates from a vibrator with an electric actuator C1].

The disadvantage of this device is the difficulty of ensuring reliable operation of the electric drive of the vibrator under water.

Closest to the present invention is an ejector soil-collecting device, including a mixing chamber with a diffuser, a housing, a conduit, ejecting and loosening the nozzle with a hydraulic pulsator, made in the form of two axisymmetric membranes, one of which rotates inside the loosening nozzle, and the other is fixed at the entrance to it C2].

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A disadvantage of the known device is that the pressurized water when disconnecting the fixed membrane openings overlap solid part of the vibrating diaphragm, in which the results Tate ⁵ can not run without interference vibrator further decays at high pressure water occurs through its sucking jet and regulatory gap.

ten

The purpose of the invention is to increase the efficiency of soil development.

This goal is achieved by the fact that the device, which includes a mixing chamber with a diffuser, water conduit, ejecting and loosening the nozzle, is equipped with

⁹ shaft with unbalance, a casing with vanes and a sector flow interrupter,

20 and the shaft with unbalance is placed inside the casing installed in the conduit

coaxial with it, and the sector flow interrupter is installed on the unbalance side.

924270

FIG. 1 shows the equipment, general view; in fig. 2 shows section A-A in FIG. one; in fig. 3 shows a section BB in FIG. one .

Vibrating ejector primer-intake device consists of a mixing chamber 1, which passes into the diffuser 2, a volume grating 3, including a conduit 4, a housing 5 with an ejecting 6 and a hydraulic opening 7, nozzles of the ribs 8, a shielding flange 9 and a cylindrical shell 10. Coaxially inside the conduit and the housing of an ejector, and the hydraulic fracturing 9 and the cylindrical shell 10. Coaxially inside the conduit and the housing of the ejection and hydraulic exhaust 9 and the cylindrical shell 10. It is coaxially inside the conduit and the housing of the ejection and hydraulic exhaust 9 and the cylindrical shell 10. It is coaxially inside the conduit and the housing of the exhaust ejection and hydraulic housing 9. nozzles in two bearings 11 placed a vibrator. consisting of a shaft 12 with debalais 13, enclosed in a streamlined casing 14.

On the outer surface of the casing 14 are placed the blades 15 of a hydro-turbine drive 16. On the inner surface of the conduit 4 before the hydro-turbine drive 16 there is a guide, an apparatus 17 with blades 18. On the casing from the side of the unbalanced load a sector-type breaker 19 is rigidly attached.

Volumetric lattice 3 is fixed on the mixing chamber 1 elastically using shock absorber suspensions 20, an elastic ring 21, a sealing cover 22 and a flexible hose 23 mounted on the conduit 4.

The device works as follows.

When the mixing chamber of the ejector is immersed in water, a water pump is started up for supplying pressurized water through the conduit to the ejector and hydro-loosening nozzles.

Pressure water through a conduit through the blades 18 of the guide vane 17 is directed to the blades 15 of hydroturbine plants, which causes the shaft 12 to rotate with unbalance 13, enclosed in a streamlined casing 14. The sector flow interrupter 19 rotates along with unbalance 13. Circular oscillations arising from the rotation of the unbalance 13, are transferred to the volume grid 3.

_{5 A} sectoral flow interrupter 19, while rotating, alternately closes the inlets of the ejecting and hydrofluiding nozzles and thereby creates pulsed jets.

Due to the fact that the sector flow interrupter 19 is located on the side of unbalance 13, the reactive force of pulsed jets additionally increases the amplitude of oscillation of the volume grating in the direction of the longitudinal axes of the outgoing jets of ejecting 6 and hydrofluidous 7 nozzles.

The proposed device allows to increase the reliability of operation of the vibrating engines and to increase the productivity of the suction dredger.

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Claims (1)

Claim Vibrating ejector primer-collecting device, which includes a mixing chamber with a diffuser, conduit, ejecting and loosening nozzles, distinguished by the fact that, in order to increase the efficiency of soil development, it is equipped with a shaft with unbalance, a casing with blades and a sector flow interrupter, and the shaft with unbalance placed inside the casing installed in the conduit coaxially with it, and the sector flow interrupter is installed on the unbalance side.