Railless vechicle for underground mining

Details Railless vechicle for underground mining Railless vechicle for underground mining

1983-03-09

1985-04-16

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

191 122A, B60L 904, H02G 1100

Patent

active

045111006

ABSTRACT:
A railless vehicle for use underground is equipped with a three-phase asynchronous motor as the principal drive, and a power distributor with a plurality of power inputs as well as a magazine drum for the wind up or pay out of the power supply line. The drum 2 is connected to the distributor 8 through a hydrostatic drive 10. The control of hydrostatic drive 10 is a function of the slack of the free, not wound up portion of the supply line 3. This slack is detected by a contact lever 5, translated by a converter 14, and transmitted to a torque control 13, to vary the wind up or payout speed of the drum. Any undue horizontal and vertical deflections of the power supply line 3 are effective to switch off the principal drive 7.

REFERENCES:
patent: 1765547 (1930-06-01), Sloane
patent: 2395302 (1946-02-01), Slomer
patent: 4108264 (1978-08-01), Tanaka
patent: 4258834 (1981-03-01), Hawley

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