SU846740A1

SU846740A1 - Hydro-operated capping

Info

Publication number: SU846740A1
Application number: SU792829962A
Authority: SU
Inventors: Петр Степанович Анашкин; Анатолий Тимофеевич Горин; Валентина Петровна Куртаева; Иван Артемович Тухель; Александр Ильич Петушков
Original assignee: Всесоюзный Научно-Исследовательский Ипроектно-Конструкторский Угольныйинститут "Кузниуи"
Priority date: 1979-10-15
Filing date: 1979-10-15
Publication date: 1981-07-15

Description

Изобретение относится к горному делу, конкретнее к средствам крепления очистных забоев мощных крутых пластов, отрабатываемых горизонтальными полосами в восходящем порядке.The invention relates to mining, and more particularly to means for fastening the working faces of powerful steep formations worked out by horizontal strips in ascending order.

Известна механизированная крепь для очистных забоев крутых пластов, отрабаты- 5 ваемых в восходящем порядке, секции которой включают основание, верхняк, гидростойки и направляющие для выемочной машины [1].Mechanized lining is known for casing faces of steep formations, which are worked out in ascending order, sections of which include a base, an upper, hydraulic stands and guides for a mining machine [1].

Недостатками известной крепи являются ,θ отсутствие элементов, защищающих рабочее пространство от нависающего угольного массива, а также невозможность ее использования в условиях частых геологических нарушений.The disadvantages of the known lining are, θ lack of elements protecting the working space from an overhanging coal mass, as well as the impossibility of its use in conditions of frequent geological disturbances.

Наиболее близким к предлагаемому по технической сущности и достигаемому результату является гидрофицированный верхняк крепи, включающий корпус и выдвижной элемент, соединенный с ним гидродомкратом [2].The closest to the proposed technical essence and the achieved result is a hydroficated upper roof support, including a housing and a sliding element connected to it by a hydraulic jack [2].

Недостатками данной конструкций яв- 20 ляются отсутствие активного подпора потолочины забоя при разработке крутых пластов по восстанию, необходимость изменения конструкции верхняка при изменении плотности крепления, а также отсутствие податливости верхняка в вертикальной плоскости.The disadvantages of this design are the lack of active backwater in the bottom of the face during the development of steep strata for rebellion, the need to change the design of the upper when changing the density of attachment, and the lack of flexibility of the upper in the vertical plane.

Цель изобретения — обеспечение активного воздействия гидрофицированного верхняка на угольный забой при разработке крутых пластов по восстанию.The purpose of the invention is the provision of the active impact of hydroficated upper on the coal face during the development of steep seams in the uprising.

Указанная цель достигается тем, что корпус снабжен шарнирно прикрепленными к нему укосными . гидростойками, имеющими на концах элементы фиксации для взаимодействия со стойками крепи.This goal is achieved by the fact that the housing is equipped with articulated attachments to it. hydrostands having fixing elements at the ends for interaction with the supports.

При этом корпус со стороны, противоположной выдвижному элементу, имеет механически фиксируемую выдвижную консоль.At the same time, the casing from the side opposite to the sliding element has a mechanically fixed sliding console.

Кроме того, гидрофицированный верхняк снабжен клиновым замком, установленным между корпусом и выдвижным элементом.In addition, the hydroficated upper is equipped with a wedge lock installed between the housing and the sliding element.

На фиг. I показан гидрофицированный верхняк совместно с деревянными стойками забойной крепи, вид сбоку; на фиг. 2 — разрез А—А на фиг. 1; на фиг. 3 — разрез Б—Б на фиг. 1; на фиг. 4 — разрез В—В на фиг. 1; на фиг. 5 — гидрофицированный верхняк, установленный в забое, вид сбоку; на фиг. 6 — то же, при неустановленной одной укосной стойке.In FIG. I shows a hydrified upper with wooden pillars of a face support, side view; in FIG. 2 — section A — A in FIG. 1; in FIG. 3 - section B — B in FIG. 1; in FIG. 4 - section BB — in FIG. 1; in FIG. 5 - hydroficated upper installed in the bottom, side view; in FIG. 6 - the same, with an uninstalled one mowing stand.

Гидрофицированный верхняк состоит из корпуса 1, выдвижного элемента 2, выдвижной консоли 3, укосных гидравлических стоек 4 и 5. Выдвижной элемент 2 установлен в корпусе 1 и соединен с ним одним концом посредством гидродомкрата 6. К другому концу выдвижного элемента 2 шарнирно присоединен опорный башмак 7. Корпус снабжен клиновым замком 8 фиксации выдвижного элемента 2. Выдвижная консоль 3 фиксируется относительно корпуса 1 пальцами 9 в проушинах 10, выполненных в корпусе верхняка, и отверстиях 11 выдвижной консоли 3.The hydrified upper consists of a housing 1, a pull-out element 2, a pull-out console 3, sloping hydraulic struts 4 and 5. A pull-out element 2 is installed in the housing 1 and connected to it by one end by means of a hydraulic jack 6. A support shoe 7 is pivotally connected to the other end of the draw-out element 2 The housing is equipped with a wedge lock 8 for fixing the sliding element 2. The sliding console 3 is fixed relative to the housing 1 with fingers 9 in the eyes 10 made in the upper housing and the holes 11 of the sliding console 3.

Гидравлические укосные стойки 4 и 5 крепятся на корпусе 2 посредством шарниров 12 и 13 и имеют на нижних концах элементы 14 и 15 фиксации с деревянными стойками 16 и 17 забойной крепи. Гидрофицированный верхняк оборудуется съемными перекрытиями 18, выполненными из листовой стали.Hydraulic mowing racks 4 and 5 are mounted on the housing 2 by means of hinges 12 and 13 and have fixing elements 14 and 15 with wooden racks 16 and 17 of the face bolt at the lower ends. The hydrated upper is equipped with removable ceilings 18 made of sheet steel.

Крепление очистного забоя с применением гидрофицированных верхняков производится следующим образом.Mounting the face using hydrated tops is as follows.

После выемки угля в горизонтальной полосе на шаг установки крепи гидрофицированный верхняк с помощью средств подъема, установленных на выемочном комбайне, поднимается к потолочине забоя и посредством гидродомкрата 6 распирается между деревянными стойками 16 и 17, установленными у почвы и кровли пласта (слоя). Укосная гидростойка 4 распирается в деревянную стойку 16, удерживаясь на ней элементом 14 фиксации. Таким образом создается временное крепление очистного забоя (фиг. 6). Перед установкой верхняка необходимая длина его, если она выходит за пределы максимальной раздвижности верхняка при максимальном выдвижении штока гидродомкрата 6, корректируется за счет выдвижной консоли 3. После подвигания угольного забоя на 4—5 м производится возведение постоянного крепления очистного забоя.After coal excavation in a horizontal strip at the step of installing the lining, the hydroficated top is lifted to the bottom of the face with the help of lifting tools installed on the extraction combine and, by means of a hydraulic jack 6, is buried between wooden posts 16 and 17 installed at the soil and the roof of the formation (layer). The mowing hydrostand 4 is bursting into the wooden strut 16, being held thereon by the fixing element 14. Thus, a temporary fastening of the face is created (Fig. 6). Before installing the upper shaft, the required length, if it goes beyond the maximum extension of the upper shaft with the maximum extension of the hydraulic jack 6, is adjusted by the extension console 3. After the coal face is moved 4-5 m, the permanent face is fixed.

Для этого укосная гидростойка 5 рас5 пирается в деревянную стойку 17, деревянные стойки 16 и 17 анкеруются к почве и кровле пласта (слоя), выдвижной элемент 2 дополнительно фиксируется относительно корпуса клиновым замком 8. Процесс возведения постоянной крепи совме10 щен во времени с процессом выемки угля.To do this, the mowing stand 5 is expanded into a wooden stand 17, the wooden stands 16 and 17 are anchored to the soil and the roof of the formation (layer), the drawer 2 is additionally fixed relative to the housing by a wedge lock 8. The process of erecting a permanent lining is compatible with the process of coal extraction in time .

При изменении плотности крепления забоя верхняки оборудуются такими перекрытиями 18, ширина которых соответствует шагу установки крепи.When changing the density of fastening of the bottom, the tops are equipped with such ceilings 18, the width of which corresponds to the step of installing the lining.

Claims

The invention relates to mining, and more specifically to the means of securing the cleaning faces of powerful steep seams worked out in horizontal stripes in ascending order. 1 The known mechanized lining for the clean-up faces of steep seams, worked in the upstream order, sections of which include the base, top to, hydraulic legs and guides for excavation maschini 1. The disadvantages of the known lining are the absence of elements protecting the working space from the overhanging coal mass, as well as the impossibility of its use in conditions of frequent geological disturbances. Closest to the proposed technical essence and the achieved result is a hydroficated top to the lining, including a housing and a sliding element connected to it by a hydraulic jack 2. The disadvantages of this design are the lack of an active backwater in the development of steep layers for the uprising, the need to change the design of the upper ka when changing the density of attachment, as well as the lack of compliance of the top in the vertical plane. The purpose of the invention is to provide an active influence of the hydroficated top on the coal face when developing steep seams after the uprising. This goal is achieved in that the housing is provided with articulated hinges attached to it. hydraulic supports having fixing elements at the ends for interacting with the support struts. In this case, the housing on the side opposite to the sliding element has a mechanically fixed sliding console. In addition, the hydroficated upper is equipped with a wedge lock installed between the housing and the sliding element. FIG. I shows the hydroficated top to, together with the wooden posts of the bottomhole support, side view; in fig. 2 shows section A-A in FIG. one; in fig. 3 shows a section BB in FIG. one; in fig. 4 shows a section B-B in FIG. one; in fig. 5 - hydraulic upper, mounted in the face, side view; in fig. 6 - the same, with one ukosnoy rack installed. The hydrated top consists of body 1, sliding element 2, sliding console 3, cutting hydraulic pillars 4 and 5. Sliding element 2 is installed in housing 1 and is connected to it at one end by means of a ridrodomkrat 6. To the other end of sliding element 2 is pivotally attached to the support shoe 7. The housing is provided with a wedge lock 8 for fixing the sliding element 2. The sliding console 3 is fixed relative to the housing 1 by fingers 9 in the lugs 10 made in the top housing and the openings 11 of the sliding console 3. Hydraulic mounts Kits 4 and 5 are fastened to the housing 2 by means of hinges 12 and 13 and at the lower ends have elements 14 and 15 of fixation with wooden posts 16 and 17 of the bottom hole supports. The hydrated top is equipped with removable ceilings 18 made of sheet steel. The fastening of the clearing pond with the use of hydroficated tops is performed as follows. After the coal has been excavated in a horizontal strip, the installation step is fixed hydraulically up to the lifting means installed on the excavation combine, rising to the ceiling and using the hydraulic jack 6, it is spread between the wooden stands 16 and 17 installed on the soil and the roof of the stratum (layer). The hydraulic post 4 is distributed into the wooden stand 16, holding onto it with the fixing member 14. Thus, a temporary fastening of the clearing face is created (Fig. 6). Before installing the top, its length is required, if it goes beyond the maximum expansion of the top with the maximum extension of the hydraulic cylinder rod 6, is corrected by 846 for the extension console 3. After moving the holder for 4-5 m, a permanent fixation of the fixed edge is made. For this, the bowed post 5 is distributed to the wooden stand 17, the wooden stands 16 and 17 are anchored to the soil and the roof of the layer (layer), the sliding element 2 is additionally fixed relative to the body by a wedge lock 8. The process of building a constant support with time the process of excavation When the fastening density is changed, the tops of the top are equipped with such ceilings 18, the width of which corresponds to the installation pitch of the support. Claim 1. Hydraulic upper k, comprising a housing and a sliding element connected to it by a hydraulic jack, characterized in that, in order to ensure its active influence on the coal face during the development of steep seams after the uprising, the hull is equipped with articulated hydrocrescents having fixing elements at the ends for engaging with support struts. 2. Upper to Claim 1, characterized in that the housing, on the side opposite to the sliding element, has a mechanically fixed sliding console. 3. Upper k on PP. 1 and 2, characterized in that it is provided with a wedge lock installed between the housing and the sliding element. Sources of information taken into account in the examination of 1 USSR Author's Certificate No. 208618, cl. E 21 D 23/00, 1967.

2. Patent of France No. 2302411, cl. E 21 D 17/05, publ. 1976 (prototype).