SU1490280A1 - Method of mining thick steep and inclined seams in horizontal layers - Google Patents

Abstract

The invention relates to the mining industry and m. B. used in the development of steep and sloping layers and locking parts of the folds. The purpose of the invention is to increase the productivity and safety of cleaning works. After working out the upper assembly layer, a flexible overlap (MP) 2 of intersecting steel tapes (SL) 8 and grids is mounted at the roof of the layer and break the roof. Then, an array of minerals is prepared under the overlap, which is divided into horizontal layers with a capacity of 3-6 meters. The working space of the clearing hole under GP 2 is formed by bottomhole and fill rows of individual hydraulic racks (HS) 7 and 10. Downhole row HS 7 set with a slope to the obstruction 83-87 °. Zavalnyi series GS 10 form in the form of bushes, forming a pyramid with corners at the top of 80-90 °. Each HS 7, 10, when installed, is distributed in GP 2 at the intersection of SL 8. After the expansion, SL 8 are located in the upper nozzle in a special cruciform convex-spherical recess 9 with restraints. This ensures reliable unraveling of the HS and prevents movement of the GP 2 upper nozzles HS. After installing a row of HS 7 along the bottom and pickups on the mates, a horizontal layer is worked out. The development of the horizontal layers are with the ratio of the capacity of the interlayer thickness and the subsiding layer 0.14-1.0. The control of GP 2 is carried out by its undulating movement from the roof to the soil of the reservoir. The interlayer sequence is successively loaded and relieves the load on SL 8 GP from the soil of the formation.

Description

under the overlap, which by the dip of the reservoir is divided into horizontal layers with a capacity of 3-6 m. The working space of the clearing hole under the GP 2 is formed by the downhole and subsurface p daf-I i individual hydraulic racks (HS) 7 and 10. The downhole row of HS 7 is set with a slope on the blockage 83-87. Zavalnyi series GS 10 form in the form of bushes, forming a pyramid with corners at the top of 80-90. Each HS 7, 10, when installed, is distributed in GP 2 at the intersection of SL 8. After the expansion, SL 8 are located in the upper nozzle in a special cross

0280

convex-spherical with a recess 9; This provides a reliable decomposition of the HS and prevents movement)

with GP 2 upper nozzles HS. After installing a row of HS 7, 1, the bottom, and pickups on the mates, work out the horizontal layer. The development of horizontal layers are correlated with

10 capacities of the interlayer toli1 1 and the subsiding layer 0.14-1.0. The control of GP 2 is carried out by its undulating movement from the roof to the soil of the reservoir. The interlayer is successively heated and

15 С1ммают load on СЛ 8 ГП near the reservoir soil. 2 з.п, ф-л, 5 Il.

The invention relates to the mining industry and can be used in the development of steep and inclined seams and castle parts of the folds.

The purpose of the invention is to improve the performance and safety of cleaning operations.

1 shows a scheme of working

ki stratum; in fig. 2 shows a section A-A in FIG. on fig.Z - section bb in figure 2; Fig. 4 is a diagram of the placement of individual hydraulic racks in the space under the flexible floor; in FIG. 3, view A in FIG. 4.

The method is carried out as follows.

Initially, the upper mounting layer 1 is worked out, in which flexible overlap 2 is mounted with an inseparable carrier base and the roof is collapsed, after which they prepare the array of the mineral under the overlap. The dip is divided into horizontal layers with a thickness of 3-6 meters.

At the soil level of the horizontal layer, a vent 3 and a conveyor 4 layer drifts are conducted, which, 2-3 meters from the boundary of the site, are interconnected by a split furnace. In the split furnace, the angled conveyor 5 and the excavation and loading body (combine) 6 are mounted, after which the split end furnace is fixed to the level of the tops using drilling and blasting operations (BVR) and the end of the flexible overlap is placed, moved closer to

0

five

0 З

Q f

The conveyor 5 is next to the battle, then a number of individual hydraulic columns 7 with an interval of 1.0-1.2 m and an inclination of the roll at an angle of 83-87 ° are installed close to it on the dam side Each rack 7, when installed, extends into a flexible intersection at the intersection of steel tapes 8 in various directions, which are positioned after a thrust in the upper nozzle in a special cross-shaped convex-spherical with restraints notch 9, which allows you to keep a reliable counter retention and prevents movement flexible overlap top yasad1 and racks. After installation, along the entire length of the row of racks 7 and pickups, a horizontal layer is worked out on the mates with drifts, for which the subbarking layer with a capacity of 2.5-3.5 m is removed with a narrow-grip combine 6, while it is destroyed by transportable pieces by means of rock pressure and nat flexible overlapping tapes, cut off interlayer thickness of 0.5-2.5 m. The average thickness of the interlayer trash is within the limits for the layers: with hard coal 0.5-1.3 m, with an average strength angle of 1.0- 1, and with spabi.1 and angles of 1.5-2.5 m. Working out horizontal layers in travel with a ratio of interlayer thickness and substep layer of 0.14-1.0.

The cleaning cycle is completed by shifting the downhole conveyor hydraulics. Owing to the movement of the split furnace, clean the bottom to 0.8-1.2 m at the downhole Koimeiiepa Ustaiashivivt1t new row of individual hydraulic towers 7, and for each rack of the back row, install another 2 pillars 10 under the wooden top to 11, which form bush 12

Claims (3)

1. A method of developing ms) 1C} 1Xh of steep and inclined seams with horizontal layers, including testing the installation layer at the roof of the reservoir, mounting a flexible first-side from steel overlapping tapes and mesh, all three of its pillars along the lower nozzles, the preparation and the mechanized recess are interconnected by steel flexible limiting connections 13; in addition, the lower nozzle of each rack is equipped with spikes 14. In this position, when two rows 5 are installed, in order to increase manufacturer of individual hydraulic properties and cleaning safety, 7 and 10, the cleaning face is considered to be pallet; horizontal layers are worked with the power equipped. In the future, 3–6 m with a power ratio every 0.8–1.2 m of the advancement of the interlayer stratum and the undercut layer of the clearing slab, 20 0.14-1.0 are ceased, the working space is cleared and the interstitial stratum is excavated, throttled and controlled flexible overlap, characterized in that. The racks of the row bush support are alternately from the roof to the soil of the seam. To rearrange the next bush with uprights 1, 2 and 3, a bush No. 7 and a stand 7 in row with a bottomhole conveyor should be installed in the row along the strike. Racks 1 and 2 are rearranged into the next row and form a new bush, and rack 3 is rearranged into a new row, after which it can be relocated by moving it differently from the roof set up the stoics of the next regular bush. After moving the clearing flank to the permutation step, before starting permutations of bush no. 1, the bottom should have at least three backup racks, one of which is installed in the new row near the face conveyor, and the other two are installed under the wooden top and form bush no. 1 of the new row of face support. Then, in the order of priority, the racks of all bushes of the damming row are similarly rearranged. Invention Formula  preparation and mechanized excavation that, in order to increase productivity and safety of cleaning works, the destruction and excavation of the interlayer, the spreading and management of flexible overlap, characterized in that. Under the flexible overlap, the bottom is formed by downhole and fill rows of individual hydraulic posts, the bottom row stands are set with a slope to the dam 83-87, and the roll row is formed in the form of bushes forming a pyramid with corners at the apex of 80-90 °, while controlling the flexible overlap leads to the wave-like formation of the soil, successively load the interlayer thickness and relieve the load on the flexible overlap tapes near the soil of the formation. 2. The method according to claim 1, dtl and h and y - y and so that the individual racks supply the upper and lower nozzles with restrictions on the movement of the tapes and the said racks, respectively. 3. Method POP1, characterized in that the spreading of the individual posts into the flexible overlap is carried out at the place where the tapes cross. 1 /// / // / VV /// /// /// Phys .2 Aa aa I I / Compiled by S.Sopilko Editor M.Tovtin Tehred M. Khodanych Order 3676/35 Circulation 449 VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, Raushsk nab. 4/5 Rig .. D Vida  I FIG. five Proofreader L. Beskid Subscription