SU1627719A1 - Power support section base - Google Patents

Abstract

The invention relates to the mining industry and can be used in mine mechanized roof supports when mining seams with weak soil. The purpose of the invention is to increase the reliability of the section of the mine mechanized support. For this, the base section of the mine mechanized support is made in the form of a support beam 1 with protrusions 5 made in the form of versatile triangles. The smaller side 7 of each of the triangles is perpendicular to the lower plane of the support beam 1, the larger side 8 is inclined to it at an acute angle. The vertex 9 of the triangle, opposite to the smaller side 7, faces toward the longitudinal axis 6 of the base. This shape of the protrusions 5 changes the shape of the compacted core under the base of the lining and thereby reduces the draft and the penetration of the base and soil. 2 Il. f

Description

FIG. 2

When thrusting racks 2 are thrust, the base of the lining section is pressed into the soil of the formation and the soil protrudes at the edges of the support beam 1. and introduction of the base of the lining section into the soil of the reservoir. FIG. 1 shows the base of the section. This allows for easier movement of the section.

mine mechanized lining, about-on weak soils, as well as reduce losses

Figure 2 shows a section A-A in FIG. I resist hydroelectric supports. As a result, the accident rate of the support section decreases. The basis of the mine mechanization section increases the reliability of its operation in the maintenance support including a support beam 1 15 of weak POR ° D soil formation

box-shaped form on which the invention relates to the mining industry and can be used in the mine mechanized roof for mining seams with weak soil

The purpose of the invention is to improve the reliability of the section of mine mechanized lining in the conditions of weak rock formations

Hydraulic bridges (hydraulics 2, hydraulic clutch 3 movements and jack 4 lifting the nose of the base section of the support when it is shifted) On the lower surface of the support beam 1 there are an even number of projections 5, symmetrically arranged with respect to the longitudinal axis b of the base. the smaller side 7 of each of which is perpendicular to the lower plane of the support beam 1, the larger side 8 is inclined to it at an acute angle a, and the top 9 of the triangle, opposite to the smaller side 7, faces toward the base b axis axis. The protrusions 5 of the base alternate with rectilinear portions of a 10 N goal and are within 13 15

The device works as follows.

Claims (1)

Invention Formula The base section of the mine mechanized lining, including the support beam 20 box-shaped with a countable number of protrusions on its underside, symmetrically located with respect to the longitudinal axis of the base, characterized in that, in order to increase the reliability of the section of the shaft mechanized support in terms of solid rocks of the soil of the reservoir, the smaller side of each of which is perpendicular to the lower plane of the support beam, the larger side is inclined to it at an acute angle, and the vertex opposite to the smaller side is turned toward Flax axis base 25 Invention Formula The base section of the mine mechanized lining, including the support beam box-shaped with a countable number of protrusions on its underside, symmetrically located with respect to the longitudinal axis of the base, characterized in that, in order to increase the reliability of the section of the shaft mechanized support in conditions of spruce rocks of the formation soil, the side of each of which is located perpendicular to the lower plane of the support beam, the larger side is inclined towards it at an acute angle, and the top opposite to the smaller side is extended to the side th base axis Riga.1