SU470614A1 - Extraction installation - Google Patents

Description

one

The invention relates to executives for coal extraction.

Mining machines are known with a bar-type chain cutting organ destroying coal from the bottom surface. The executive bodies of these machines are characterized by a high energy intensity of destruction due to the operation of the cutters in the blocked cutting mode and the impossibility of carrying out the electric drive from the bottom, and the machines themselves are remotely controlled.

The described installation is characterized in that in the upper and lower parts of the shuttle, an asterisk is installed on the side of the shuttle, which bends around the cutting chain stretched along the conveyor, the ends of which are fixed at the drive and end heads of the conveyor, respectively. This increases the efficiency of coal extraction and eliminates the presence of an individual drive for the cutting chain.

FIG. 1 shows the executive body, general view; in fig. 2 is a section along A-A in FIG. one.

The executive body includes an electric drive removed from the fence (not shown in the drawings), a pull chain 1, a cutting chain 2 with knuckles 3 and double-sided cutters 4, a shuttle 5 mounted on guides of the downhole conveyor 6 with drive and end heads (not shown on the drawings ).

from the bottom side of which there are upper 7 and lower 8 and 9 star gear units, ploughshare 10 for cleaning the soil and loading off the coal. At the top and bottom;: her parts of the shuttle

5, set the carvings 11. The lower star gears 8 and 9 are interconnected by a jack 12, allowing the distance between them to be adjusted. The cutting chain 2 bends around the top 7 and bottom 8 and 9 of the sprocket and forms a loop with two branches 13 and 14. The excavating machine, together with the conveyor, is driven to the bottom by hydraulic coupling 15 or aggregate lining.

The installation work on the excavation occurs on

cheliokovoy scheme. In this case, the installation with the conveyor is constantly pressed by the jacks 15 or aggregate support to the face. When the drive is turned on, the shuttle 5 moves along conveyor guides along the bottom. In the same direction, the cutting chain loop 2 moves, as a result of which the branches 13 and 14 of the loop move relative to the shuttle t in opposite directions (if branch 13 is down, then branch 14 is up). A complex motion is added to the loop in the loop, consisting of the feed movement along the bottom and relative movement along the branches of m. Since the relative movement of the incisors of each branch occurs in opposite directions

0 then the trajectories of the absolute movement of the incisors

The zetways intersect each other, forming a grid 16.

FIG. The trajectory B is applied to the movement of one cutter in the period of the stroke of both branches of the loop

Subject invention

A notch installation containing an actuator, a hook, a pulling and cutting chain, and a conveyor with a drive and end head, which, in order to increase the efficiency of coal extraction and eliminate the individual drive for the cutting chain, in the upper and lower parts of the shuttle The side of the bottom side is fitted with sprockets, bending around the cutting chain stretched along the conveyor, the ends of which are fixed at the drive and end heads of the conveyor, respectively.

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6 2 70 9g