SU16842A1 - Parachute for mine cages - Google Patents

Description

The proposed parachute device for the mine stands is designed to slow down and stop the fall of the mine stand in the event of a cable break, what is the goal of installing a stand above the roof of the stand and on both sides action when the rope breaks.

In FIG. 1 shows a longitudinal vertical section of the device; FIG. 2 is the same in cross section; FIG. 3 view in plan.

The proposed device consists of two balancers D located in the middle of the roof of the kpeti with both its sides and fastened to the roof at their ends through the means of t g E, threaded through spiral springs P resting on the roof through pillows b and crimped at the ends with washers I, which the balancers rotate together with the shafts O, supported on the roof through bearings / and bearing on each side of the cage, rigidly connected with the shafts O, levers K, articulated with the lower ends A of ticks, and at the ends closest to the middle of the cage b On lansiry pivotally connected through earrings C, f.o a rod whose lower end is held in the vertical direction of guide L, and an upper end connected to:. the crosspiece M, to which the working rope is attached at the top, and below, two chains P, limiting the movement of the rod in the vertical direction during the normal course of the cage.

During normal movement of the cage, the springs, adjusted by pressing the washers I, are compressed by their own weight of the cage within the full tension of the chains P, and in case of breakage of the spring, the springs F are unclenched and, turning the balance weights D together L shafts O and with the arms K, bring the lower ends A closer together ticks and then cause their upper ends to approach each other and they capture vertical guides Q installed on both sides of the shaft, and braking the cage with a force of friction between the tongs and Q guides.

The subject of the patent.

A parachute for the shaft cages, characterized by the use of two balancers D, loaded at the ends with springs F and connected to the other ends by means of articulated earrings C and stem B with a cargo cable, and through the shafts O and shoulders K-c. with gripping tongs A designed to hold the cage when the rope breaks.